The following table lists the ultramarathons in Massachusetts. Know of an ultra that’s missing? Let us know at editor@massultra.com.
2024 Massachusetts Ultramarathons
DATE – ULTRA EVENTS – LOCATION
January 1-31, 2024 – BURCS Treadmill Marathon and Frozen Folly 50K Virtual Races
January 6, 2024 – 24th Annual G.A.C. Fat Ass 50K; Bradley Palmer State Park; Topsfield, MA
February 1-28, 2024 – BURCS Satan’s Sidewalk 66.66K/66.66-Hour Virtual Races
February 3-4, 2024 – TARCtic Frozen Yeti 30-Hour Ultra and 15-Mile Trail Race; Hale Reservation; Westwood, MA
March 1-31, 2024 – BURCS Ladybug 50K Virtual Race
March 23, 2024 – TARC To Hale and Back 6-Hour Ultra and 3.5-Mile Trail Race; Hale Reservation; Westwood, MA
April 6, 2024 – Beast Coast Trail Running’s Mt. Toby 50K Ultra and 24K; Sunderland Town Park; Sunderland, MA
April 14, 2024 – Trail Animals “Don’t Run Boston” 50K and 50-Mile; Blue Hills Reservation; Milton, MA
April 20, 2024 – TARC Spring Classic 50K/26.2M/13.1M/10K; Weston, MA
April 20, 2024 – Spring Fever 8-Hour/5M/5K; Hingham, MA
May 11, 2024 – TARC Wapack and Back 50M/43M/21.5M; Ashburnham, MA
May 11, 2024 – Watuppa 50K/30K/10K; Watuppa Reservation; Fall River, MA
May 18, 2024 – Free Spirit 50K; Leyden, MA
June 1-2, 2024 – Beast Coast Trail Running’s Chesterfield Gorge 30-Hour Ultra and 25K Race; Chesterfield Gorge Reservation; West Chesterfield, MA
June 22, 2024 – BURCS Vegan Power 50K/25K/5M; Pittsfield State Forest; Pittsfield, MA
June 29, 2024 – Inaugural Beast Coast Trail Running Edge Hill Trail Race 50K/8K; Ashfield, MA
July 12-15, 2024 – BURCS Notchview Ultra 72/48/24/12-Hour and 100.7-Mile Trail Ultras; Notchview Reservation; Windsor, MA
August 10, 2024 – BURCS Sweltering Summer 8-Hour Ultra; Clapp Park; Pittsfield, MA
August 17, 2024 – TARC Summer Classic 40M/50K/10M/Free Youth Fun Run; Noon Hill Reservation; Medfield, MA
August 24, 2024 – BURCS Jug End Loop Ultra 6-Hour and 4.2-Mile; Jug End State Reservation; Egremont, MA
September 7, 2024 – TARC Fall Classic 50M/50K/20M/13.1M/10K/Free Youth Fun Run; Great Brook Farm State Park; Carlisle, MA
September 14, 2024 – BURCS Free to Run Trail Races 50M/50K/25K/15K; Pittsfield State Forest; Pittsfield, MA
September 28, 2024 – MetroWest Backyard Ultra – Last Person Standing; Needham Town Forest; Needham, MA
October 12-13, 2024 – Midstate Massive Ultra-Trail 100M/50M/30M; Multiple Locations, Massachusetts and New Hampshire
October 19, 2024 – Beast Coast Trail Running’s Mt. Tom Trail Race 50K/25K; Easthampton, MA
October 19-20, 2024 – Ghost Train Rail Trail Races 30-Hour Ultra/30M Night Race/15M; Brookline, NH
October 26, 2024 – Womp Romp 50K/10-Mile Trail Race; Wompatuck State Park; Hingham, MA
November 2, 2024 – TARC Stone Cat Trail Festival 100K/50M/26.2M/13.1M/10K/Free Youth Fun Run; Willowdale State Forest; Ipswich, MA
November 9, 2024 – Beast Coast Trail Running’s Race for DFL Last Person Standing; Winchendon, MA
November 16, 2024 – TARCkey Trot 6-Hour Ultra; Wright-Locke Farm and Whipple Hill; Winchester, MA
December 7, 2024 – TARC Winter Classic 32M/8M; Middlesex Fells Reservation; Stoneham, MA
TBD:
The Village Ultra 24-Hour/12-Hour; New Salem, MA
Seth’s Fat Ass 50K; Springfield, MA
2023 MASSACHUSETTS ULTRAMARATHONS
DATE – ULTRA EVENT – LOCATION
January 7, 2023 – G.A.C. Fat Ass 50K; Bradley Palmer State Park; Topsfield, MA
January 1-31, 2023 – BURCS Treadmill Marathon and Frozen Folly Virtual 50K
February 1-28, 2023 – BURCS Satan’s Sidewalk 66.66K/66.66-Hour Virtual Races
February 4-5, 2023 – TARCtic Frozen Yeti 30-Hour Ultra/15-Mile Night Race; Hale Reservation; Westwood, MA
March 1-31, 2023 – BURCS Ladybug 50K; Virtual.
March 25, 2023 – TARC To Hale and Back 6-Hour/5K Trail Races; Hale Reservation; Westwood, MA
April 8, 2023 – Mt. Toby 50K Ultra and 24K; Sunderland Town Park; Sunderland, MA
April 16, 2023 – Trail Animals “Don’t Run Boston” 50K/50M; Blue Hills Reservation; Milton, MA
April 22, 2023 – TARC Spring Classic 50K/26.2M/13.1M/10K; Weston, MA
May 13, 2023 – TARC Wapack and Back 50M/43M/21M; Ashburnham, MA
May 13, 2023 – Watuppa 50K/30K/10K; Watuppa Reservation; Fall River, MA
May 21, 2023 – Free Spirit 50K; Leyden, MA
June 3-4, 2023 – Chesterfield Gorge 30-Hour Ultra and 25k; Chesterfield Gorge Reservation; West Chesterfield, MA
June 17, 2023 – BURCS Vegan Power 50K/25K Trail Races; Pittsfield State Forest; Pittsfield, MA
July 7-10, 2023 – BURCS Notchview Ultra 72/48/24/12-Hour and 100.7-Mile Trail Ultras; Notchview Reservation; Windsor, MA
July 29, 2023 – BURCS Jug End Loop Ultra 6-Hour and 4.2-Mile; Jug End State Reservation; Egremont, MA
August 12, 2023 – BURCS Sweltering Summer 8-Hour Ultra; Clapp Park; Pittsfield, MA
August 19, 2023 – TARC Summer Classic 40M/50K/10M; Holt Pond/Noon Hill Reservation; Medfield, MA
September 2-3, 2023 – The Village Ultra 24-Hour/12-Hour; New Salem, MA
September 9, 2023 – TARC Fall Classic 50M/50K/13.M/10K; Great Brook Farm State Park; Carlisle, MA
September 16, 2023 – BURCS Free to Run Trail Races 50M/50K/25K/15K; Pittsfield State Forest; Pittsfield, MA
September 16-17, 2023 – MetroWest Backyard Ultra (formerly Needham Backyard Ultra); Needham Town Forest; Needham, MA
October 7-8, 2023 – Midstate Massive Ultra-Trail 100M/50M/30M Ultras; Multiple Locations, Massachusetts
October 14-15, 2023 – Ghost Train Rail Trail Races 30-Hour/15-Mile; Brookline, NH
October 21, 2023 – Womp Romp 50K Ultra and 10K; Wompatuck State Park; Hingham, MA
October 21, 2023 – Mt. Tom Trail Race 50K; Easthampton, MA
November 4, 2023 – TARC Stone Cat Trail Festival 100K/50M/26.2/13.1/10K/Kids Fun Run; Ipswich, MA
November 11, 2023 – Race for DFL Last Person Standing; Winchendon, MA
November 11, 2023 – TARCkey Trot 6-Hour Ultra; Wright-Locke Farm; Winchester, MA
December 2, 2023 – TARC Fells Winter Ultra 40M/32M; Middlesex Fells Reservation; Stoneham, MA
December 16, 2023 – Seth’s Fat Ass 50K; Springfield, MA
2022 MASSACHUSETTS ULTRAMARATHONS
DATE – ULTRA EVENT – LOCATION
January 8, 2022 – G.A.C. Fat Ass 50K – Bradley Palmer State Park; Topsfield, MA
Jan. 15 – Feb. 15, 2022 – Cape Cod Frozen Fat Ass 50K/25K; Sandy Neck Beach, Barnstable, MA – Unmanned course, no aid, email results due to COVID-19
January 1-31, 2022 – BURCS Treadmill Marathon and Frozen Folly Virtual 50K
January 29-30, 2022 – TARCtic Frozen Yeti 30-Hour Ultra/15-Mile Night Trail Race; Hale Reservation, Westwood, MA
February 1-28, 2022 – BURCS Satan’s Sidewalk 66.66K/66.66-Hour Virtual Races
March 26, 2022 – TARC To Hale and Back 6-Hour Ultra/5K Trail Races; Hale Reservation, Westwood, MA
April 9, 2022 – Mt. Toby 50K Ultra and 24K; Sunderland Town Park, Sunderland, MA
April 16, 2022 – Trail Animals “Don’t Run Boston” 50K/50M; Blue Hills Reservation, Milton, MA
April 23, 2022 – TARC Spring Classic 50K/26.2M/13.2M/10K; Weston, MA
May 7, 2022 – TARC Wapack and Back 50M/21M; Ashburnham, MA
May 7, 2022 – Needham Backyard Ultra; Needham Town Forest; Needham, MA
May 15, 2022 – Watuppa Trail Races 50K/30K/10K; Fall River, MA
June 4-5, 2022 – Chesterfield Gorge 30-Hour Ultra and 25K; Chesterfield Gorge Reservation, West Chesterfield, MA
June 18, 2022 – BURCS Vegan Power 50K/25K Trail Races; Pittsfield State Forest, Pittsfield, MA
June 24-26, 2022 – Trail Running Camp; Harold Parker State Forest, Andover, MA
July 8-11, 2022 – BURCS Notchview Ultra 78/48/24/12-Hour and 100.7-Mile Trail Ultras; Notchview Reservation, Windsor, MA
July 30, 2022 – BURCS Jug End Loop Ultra 6-Hour and 4.2-Mile Trail Races; Jug End State Reservation, Egremont, MA
August 6, 2022 – TARC Summer Classic 40M/50K; Holt Pond/Noon Hill Reservation, Medfield, MA
August 7, 2022 – East End Trail Races 50K/30K/10K; DCR Borderland State Park, North Easton, MA – CANCELED
August 13, 2022 – BURCS Sweltering Summer 8-Hour Ultra; Clapp Park, Pittsfield, MA
September 3, 2022 – The Village Ultra 24/12-Hour; New Salem, MA
September 10, 2022 – TARC Fall Classic 50M/50K/13/1M/10K; Carlisle, MA
September 17, 2022 – BURCS Free to Run Trail Races 50M/26.2M/13.1M; Pittsfield State Forest, Pittsfield, MA
October 8-9, 2022 – Midstate Massive Ultra-Trail 100-Mile/50-Mile/30-Mile Ultras; Multiple Locations, Massachusetts
October 15-16, 2022 – TARC Ghost Train Rail Trail Races 30-Hour/15-Mile; Brookline, N.H.
October 22, 2022 – Mt. Tom Trail Race (a 50K distance is being added for 2022, but details are still in the works)
October 22, 2022 – Womp Romp 50K Ultra and 10K; Wompatuck State Park, Hingham, MA
November 5, 2022 – Stone Cat Trail Race 50K; Ipswich, MA
November 12, 2022 – TARCkey Trot 6-Hour Ultra; Wright-Locke Farm, Winchester, MA
November 19, 2022 – Race for DFL; Location TBD
December 3, 2022 – TARC Fells Winter Ultra 40M/32M; Middlesex Fells Reservation, Stoneham, MA
December 10, 2022 – Seth’s Fat Ass 50K; Springfield, MA
2021 MASSACHUSETTS ULTRAMARATHONS
DATE – ULTRA EVENT – LOCATION
January 2, 2021 – G.A.C. Fat Ass 50K – Bradley Palmer State Park; Topsfield, MA – CANCELED DUE TO COVID-19
Jan. 15 – Feb. 15, 2021 – Cape Cod Frozen Fat Ass 50K/25K; Sandy Neck Beach, Barnstable, MA – Unmanned course, no aid, email results due to COVID-19
February 2021 – BURCS Satan’s Sidewalk Treadmill/Wally’s Folly Outdoor 66.66K/66.6-Hour Virtual
February 6-7, 2021 – TARCtic Frozen Yeti 30-Hour Ultra; Westwood, MA – CANCELED DUE TO COVID-19
March 2021 – TARC To Hale and Back 6-Hour Ultra – Hale Reservation; Westwood, MA – CANCELED DUE TO COVID-19
April 2021 – TARC Spring Classic 50K; Weston, MA – – CANCELED DUE TO COVID-19
April 18, 2021 – TARC ‘Don’t Run Boston 50M/50K – Blue Hills Reservation; Milton, MA
May 1, 2021 – Inaugural Needham Running Club May Day Distance Classic (14 hr, 5 min time-based event); Cutler Park; Needham, MA
May 2021 – TARC Wapack and Back 50M/43M – Ashburnham, MA – CANCELED DUE TO COVID-19
June 2021 – BURCS Vegan Power 100K, 50K, 25K and 5K Virtual Races; Pittsfield, MA
July 10-11, 2021 – Chesterfield Gorge Ultra 100M/100K/50M/50K/25K; Chesterfield Gorge Reservation, West Chesterfield, MA
July 2021 – BURCS Jug End Loop Ultra Virtual Race, Jug End State Reservation; Egremont, MA
August 7, 2021 – TARC Summer Classic 40M/50K; Noon Hill Reservation, Medfield, MA
August 14, 2021 – BURCS Sweltering Summer 8-Hour Ultra; Clapp Park, Pittsfield, MA
September 4-5, 2021 – The Village Ultra 24/12-Hour Ultras; New Salem, MA
September 10-12, 2021 – BURCS Notchview Ultra 48/24/12-Hour Ultras, Notchview Reservation; Windsor, MA
October 9, 2021 – TARC Fall Classic 50K/13.1M/10K; Great Brook Farm State Park; Carlisle, MA – CANCELED
October 9-10, 2021 – Midstate Massive Ultra-Trail 100/50/30-Mile Ultras; North-South Crossing of Massachusetts
October 16-17, 2021 – Ghost Train Rail Trail Races; Brookline, NH
November 6, 2021 – Stone Cat Trail Race 50K; Ipswich, MA
November 13, 2021 – TARCkey Trot 6-Hour Ultra; Wright-Locke Farm, Winchester, MA
November 13-14, 2021 – Race for DFL Last Person Standing; Chesterfield Gorge State Park, West Chesterfield, MA
December 4, 2021 – TARC Fells Winter Ultra 40M/32M; Middlesex Fells Reservation, Stoneham, MA
December 2021 – Seth’s Fat Ass 50K – Virtual Race
Other races TBD.
2020 MASSACHUSETTS ULTRAMARATHONS
DATE – ULTRA EVENT – LOCATION
January 4, 2020 – G.A.C. Fat Ass 50K – Bradley Palmer State Park; Topsfield, MA
January 18, 2020 – Cape Cod Frozen Fat Ass 50K – Sandy Neck Beach; Barnstable, MA
February 1-2, 2020 – TARCtic Frozen Yeti 30-Hour Ultra – Hale Reservation; Westwood, MA
March 22, 2020 – TARC To Hale and Back 6-Hour Ultra – Hale Reservation; Westwood, MA – CANCELED DUE TO COVID-19
April 11, 2020 – Mt. Toby 50K – Sunderland, MA – CANCELED DUE TO COVID-19
April 18, 2020 – Davis Square Runners’ 5th Annual Not the Worst Weekend 6-Hour Fat Ass – Somerville/Arlington, MA – POSTPONED DUE TO COVID-19; NEW DATE TBD
April 18, 2020 – Plymouth’s Long, Hard and Dirty 50K – Myles Standish State Forest; Plymouth, MA – POSTPONED DUE TO COVID-19; RESCHEDULED FOR OCTOBER 10
April 19, 2020 – TARC ‘Don’t Run Boston’ 50M/50K – Blue Hills Reservation; Milton, MA – CANCELED DUE TO COVID-19
April 19, 2020 – Cape Cod Trail Race 50K – Crane Wildlife Management Area; Falmouth, MA – CANCELED DUE TO COVID-19
April 25, 2020 – TARC Spring Classic 50K – Weston, MA – CANCELED DUE TO COVID-19
May 9, 2020 – TARC Wapack and Back 50M/43M – Ashburnham, MA – CANCELED DUE TO COVID-19
May 17, 2020 – Watuppa 50K – Watuppa Reservation; Fall River, MA – CANCELED DUE TO COVID-19
May 30, 2020 – BURCS Alford Springs 6-Hour Ultra – Alford, MA – CANCELED DUE TO COVID-19
May 30-31, 2020 – Chesterfield Gorge 30-Hour Ultra – Chesterfield Gorge Reservation; West Chesterfield, MA – POSTPONED DUE TO COVID-19
June 27, 2020 – BURCS Vegan Power 50K – Pittsfield State Forest; Pittsfield, MA – VIRTUAL RACE THIS YEAR DUE TO COVID-19
July 2-5, 2020 – BURCS Notchview Ultra 72/48/24/12HR – Notchview Reservation; Windsor, MA – CANCELED DUE TO COVID-19
July 25, 2020 – BURCS Jug End Loop 6-Hour Ultra – Jug End State Reservation; Egremont, MA – VIRTUAL RACE THIS YEAR DUE TO COVID-19
August 2, 2020 – East End 50K – Borderland State Park; Easton, MA – CANCELED DUE TO COVID-19
August 8, 2020 – TARC Summer Classic 40M/50K – Noon Hill Reservation; Medfield, MA – CANCELED DUE TO COVID-19
August 8, 2020 – BURCS Sweltering Summer 8-Hour Ultra – Clapp Park; Pittsfield, MA – VIRTUAL RACE THIS YEAR DUE TO COVID-19
September 5-6, 2020 – The Village Ultra – New Salem, MA
September 19, 2020 – durtyfeets’ Goat Hill Trail Races – Uxbridge, MA – NO ULTRA DISTANCES OFFERED IN 2020
September 19, 2020 – BURCS Free to Run 50M – Pittsfield State Forest; Pittsfield, MA – CANCELED DUE TO COVID-19
September 20, 2020 – Running Below the Noise 12/6-Hour; Yarmouth Port, MA – CANCELED DUE TO COVID-19
September 26, 2020 – Cape Cod Moves ‘Y-Not” 50K – Sandwich, MA – CANCELED DUE TO COVID-19
October 3, 2020 – TARC Fall Classic 50M/50K – Great Brook Farm State Park; Carlisle, MA – CANCELED DUE TO COVID-19
October 3-4, 2020 – Race for DFL Last Person Standing – Pelham, MA – CANCELED DUE TO COVID-19
October 10, 2020 – NEW DATE – Plymouth’s Long, Hard & Dirty Ultra; Plymouth, MA – VIRTUAL RACE THIS YEAR DUE TO COVID-19
October 10-11, 2020 – Midstate Massive Ultra-Trail 100M/50M/30M – Midstate Trail crossing Massachusetts; New Ipswich, NH
October 17-18, 2020 – TARC Ghost Train 30-Hour Ultra – Brookline, NH – CANCELED DUE TO COVID-19
October 24, 2020 – Lynn Woods 50K – Lynn Woods Reservation; Lynn, MA – CANCELED DUE TO COVID-19
October 25, 2020 – Massasoit Trail Race 50K – East Taunton, MA – CANCELED DUE TO COVID-19
November 7, 2020 – G.A.C. Stone Cat 50K – Willowdale State Forest; Ipswich, MA – CANCELED DUE TO COVID-19
November 14, 2020 – TARCkey Trot 6-Hour Ultra – Wright-Locke Farm; Lexington, MA – CANCELED DUE TO COVID-19
November 28-29, 2020 – NEW DATE (Rescheduled due to COVID-19) – Chesterfield Gorge 30-Hour Ultra – Chesterfield Gorge Reservation; West Chesterfield, MA – CANCELED DUE TO COVID-19
December 5, 2020 – TARC Fells Winter Ultra 40M/32M – Middlesex Fells Reservation; Stoneham, MA – CANCELED DUE TO COVID-19
December 2020 – Seth’s Fat Ass 50K; Springfield, MA; VIRTUAL RACE THIS YEAR DUE TO COVID-19
|
2019 MASSACHUSETTS ULTRAMARATHONS | ||
| DATE | ULTRA EVENT |
LOCATION |
| January 5, 2019 | 20th Annual G.A.C. Fat Ass 50K | Bradley Palmer State Park; Topsfield, MA |
| January 12, 2019 | 13th Annual Cape Cod Frozen Fat Ass 50K | Sandy Neck Beach; Barnstable, MA |
| February 2, 2019 | TARCtic Frozen Yeti 30-Hour Ultra | Hale Reservation; Westwood, MA |
| March 23, 2019 | TARC To Hale and Back 6-Hour Ultra | Hale Reservation; Westwood, MA |
| April 6, 2019 | Mt. Toby 50K | Sunderland, MA |
| April 7, 2019 | Cape Cod Trail Race 50K | Crane Wildlife Management Area; Falmouth, MA |
| April 14, 2019 | TARC Don’t Run Boston 50M and 50K | Blue Hills Reservation; Milton, MA |
| April 20, 2019 | TARC Spring Classic 50K | Weston, MA |
| April 27, 2019 | 4th Annual Davis Square Runners’ Not the Worst Weekend 6-Hour Fat Ass | Somerville, MA |
| May 11, 2019 | TARC Wapack and Back 50M/43M | Ashburnham, MA |
| May 18, 2019 | Durtyfeets Goat Hill 50K | Uxbridge, MA |
| May 19, 2019 | Watuppa 50K | Watuppa Reservation; Fall River, MA |
| June 1-2, 2019 | Chesterfield Gorge Ultra 30-Hour | Chesterfield Gorge Reservation; West Chesterfield, MA |
| June 8, 2019 | The North Face Endurance Challenge – Wachusett Mountain 50M/50K | Wachusett Mountain; Princeton, MA |
| June 15, 2019 | Double Deuce 50M Fat Ass Run | Feeding Hills, MA |
| June 22, 2019 | BURCS Vegan Power 50K | Pittsfield State Forest; Pittsfield, MA |
| July 4-7, 2019 | BURCS Notchview Ultra (BURCS Summer Fat Ass) 208K and 72/48/24/12/6-Hour Ultra | Notchview Reservation; Windsor, MA |
| July 27, 2019 | BURCS Jug End Loop Ultra 6-Hour | Jug End State Reservation; Egremont, MA |
| August 4, 2019 | East End 50K | Borderland State Park; Easton, MA |
| August 10, 2019 | TARC Summer Classic 40M/50K | Noon Hill Reservation; Medfield, MA |
| August 10, 2019 | BURCS Sweltering Summer 8-Hour Ultra | Clapp Park; Pittsfield, MA |
| August 31-September 1, 2019 | The Village Ultra 24-Hour and 12-Hour | New Salem, MA |
| September 14, 2019 | BURCS Free to Run Trail Races 50M | Pittsfield State Forest; Pittsfield, MA |
| September 28, 2019 | TARC Fall Classic 50M/50K | Carlisle, MA |
| October 12-13, 2019 | Midstate Massive Ultra Trail 100M/50M/50K | Midstate Trail crossing Massachusetts; New Ipswich, NH |
| October 12-14, 2019 | Race for DFL Last Person Standing | Pelham, MA |
| October 19-20, 2019 | TARC Ghost Train 30-Hour Ultra | Brookline, NH |
| October 26, 2019 | WJKJ 50K/Lynn Woods 50K | Lynn Woods Reservation; Lynn, MA |
| November 2, 2019 | G.A.C. Stone Cat 50K | Willowdale State Forest; Ipswich, MA |
| November 16, 2019 | TARCkey Trot 6-Hour Ultra | Wright Locke Farm; Lexington, MA |
| December 7, 2019 | TARC Fells Winter Ultra 40M/32M | Middlesex Fells Reservation; Stoneham, MA |
| December 21, 2019 | Seth’s Fat Ass 50K | Springfield, MA |
| 2018 MASSACHUSETTS ULTRAMARATHONS | ||
| DATE | ULTRA EVENT | LOCATION |
| January 6, 2018 – CANCELED | 20th Annual G.A.C. Fat Ass 50K | Topsfield, MA |
| January 27, 2018 | 12th Annual Cape Cod Frozen Fat Ass 50K | Barnstable, MA |
| March 24, 2018 | TARC To Hale and Back 6-Hour | Westwood, MA |
| April 7, 2018 | Davis Square Runners’ Not the Worst Weekend Fat Ass 6-Hour | Somerville, MA |
| April 8, 2018 | Cape Cod Trail Race 50K | Falmouth, MA |
| April 14, 2018 | Durtyfeets Trail Series: Goat Hill 50K | Uxbridge, MA |
| April 15, 2018 | TARC Don’t Run Boston 50K/50M | Milton, MA |
| April 21, 2018 | TARC Spring Classic 50K | Weston, MA |
| May 12, 2018 | TARC Wapack and Back 50M, 43M | Ashburnham, MA |
| May 13, 2018 | 24th Annual G.A.C. Mother’s Day 6-Hour | Topsfield, MA |
| May 20, 2018 | Big Bear 50K | East Taunton, MA |
| June 2-3, 2018 | Inaugural Chesterfield Gorge Ultra | Chesterfield, MA |
| June 9, 2018 | The North Face Endurance Challenge – Wachusett Mountain, 50M, 50K | Princeton, MA |
| June 16, 2018 | BURCS Vegan Power 50K | Pittsfield, MA |
| July 7, 2018 | BURCS Summer Fat Ass 24/12/6-Hour | Windsor, MA |
| July 28, 2018 | BURCS Jug End Loop Ultra 6-Hour | Egremont, MA |
| August 5, 2018 | East End Trail Races 50K | Easton, MA |
| August 11, 2018 | TARC Summer Classic 50M, 50K | Medfield, MA |
| August 11, 2018 | BURCS Sweltering Summer 8-Hour | Pittsfield, MA |
| August 18-19 – POSTPONED | WJKJ 100K at Lynn Woods (formerly The Nougat) | Lynn, MA |
| September 1-2, 2018 | The Village Ultra 24/12-Hour | New Salem, MA |
| September 15, 2018 | BURCS Free to Run Trail Races 50M | Pittsfield, MA |
| CANCELED | Freetown 50K Trail Race | Assonet, MA |
| September 29, 2018 | TARC Fall Classic 50M, 50K | Carlisle, MA |
| CANCELED | The Fall 50 | Cape Cod, MA |
| October 20-21, 2018 | Ghost Train Rail Trail Race 30M-100M | Brookline, NH |
| November 3, 2018 | 17th Annual Stone Cat 50M | Ipswich, MA |
| November 3, 2018 | BART Howl-Weenie 8-Hour | Adams, MA |
| November 17, 2018 | TARCkey Trot 6-Hour | Lexington, MA |
| TBD | The Village Ultra 10-Hour | New Salem, MA |
| December 1, 2018 | TARC Fells Trail Ultra Winter 40M, 32M | Stoneham, MA |
| TBD | Seth’s Fat Ass 50K | Springfield, MA |
| 2017 MASSACHUSETTS ULTRAMARATHONS | ||
| DATE | ULTRA EVENT |
LOCATION |
| January 7, 2017 | 19th Annual G.A.C. Fat Ass 50K | Topsfield, MA |
| February 4, 2017 | 11th Annual Cape Cod Frozen Fat Ass 50K | Barnstable, MA |
| March 25, 2017 | TARC To Hale and Back 6-Hour | Westwood, MA |
| April 9, 2017 | Cape Cod Trail Race 50K | Falmouth, MA |
| April 15, 2017 | TARC Don’t Run Boston 50K | Milton, MA |
| April 21, 2017 | Durtyfeets Trail Series: Goat Hill 50K | Uxbridge, MA |
| April 22, 2017 | TARC Spring Classic 50K | Weston, MA |
| April 29, 2017 | Davis Square Runner’s Not the Worst Weekend Fat Ass 8-Hour | Somerville, MA |
| May 13, 2017 | TARC Wapack and Back 50M, 43M | Ashburnham, MA |
| May 14, 2017 | 23rd Annual G.A.C. Mother’s Day 6-Hour | Topsfield, MA |
| May 21, 2017 | Northeast Race Management’s Big Bear 50K | East Taunton, MA |
| June 10, 2017 | The North Face Endurance Challenge – Wachusett Mountain, 50M, 50K | Princeton, MA |
| June 17, 2017 | BURCS Vegan Power 50K | Pittsfield, MA |
| CANCELED | 24-Hour Ultra Around the Lake | TBD, MA |
| July 8, 2017 | BURCS Summer Fat Ass 24/12/6-Hour | Windsor, MA |
| July 29, 2017 | BURCS Jug End Loop Ultra 6-Hour | Egremont, MA |
| August 12, 2017 | TARC Summer Classic 50M, 50K | Medfield, MA |
| August 12, 2017 | BURCS Sweltering Summer 8-Hour | Pittsfield, MA |
| CANCELED | The Rock Run 50M | Nantucket, MA |
| September 16, 2017 | BURCS Free to Run Trail Races 50M | Pittsfield, MA |
| September 17, 2017 | Freetown 50K Trail Race | Assonet, MA |
| September 30, 2017 | TARC Fall Classic 50M, 50K | Carlisle, MA |
| September 30, 2017 | The Fall 50 | Cape Cod, MA |
| October 21-22, 2017 | Ghost Train Rail Trail Race 30M-100M | Brookline, NH |
| November 4, 2017 | 17th Annual Stone Cat 50M | Ipswich, MA |
| November 4, 2017 | BART Howl-Weenie 8-Hour | Adams, MA |
| TBD | Nougat 100K, 50K | Lynn, MA |
| November 18, 2017 | TARCkey Trot 6-Hour | Lexington, MA |
| November 19, 2017 | The Village Ultra 10-Hour | New Salem, MA |
| December 2, 2017 | TARC Fells Trail Ultra Winter 40M, 32M | Stoneham, MA |
| December 16, 2017 | Seth’s Fat Ass 50K | Springfield, MA |
| 2016 MASSACHUSETTS ULTRAMARATHONS | ||
| DATE | ULTRA EVENT | LOCATION |
| January 2, 2016 | G.A.C. Fat Ass 50K | Topsfield, MA |
| January 16, 2016 | Cape Cod Frozen Fat Ass 50K | Barnstable, MA |
| March 20, 2016 | TARC To Hale and Back 6-Hour | Westwood, MA |
| April 10, 2016 | Cape Cod Trail Race 50K | Falmouth, MA |
| April 17, 2016 | TARC Don’t Run Boston 50K | Milton, MA |
| April 23, 2016 | TARC Spring Classic 50K | Weston, MA |
| April 24, 2016 | Durtyfeets Trail Series: Goat Hill 50K | Weston, MA |
| April 30, 2016 | Not the Worst Weekend Fat Ass 8-Hour | Somerville, MA |
| May 7, 2016 | TARC Wapack and Back 50M, 43M | Ashburnham, MA |
| May 9, 2016 | G.A.C. Mother’s Day 6-Hour | Topsfield, MA |
| June 18, 2016 | Vegan Power 50K | Pittsfield, MA |
| July 9, 2016 | BURCS Summer Fat Ass 6-Hour | Adams, MA |
| July TBD, 2016 – CANCELED | 24-Hour Ultra Around the Lake | Wakefield, MA |
| August 6, 2016 | Sweltering Summer 8-Hour | Pittsfield, MA |
| August 13, 2016 | TARC Summer Classic 40M, 50K | Medfield, MA |
| August 20, 2016 | Jug End Loop Ultra 6-Hour | Egremont, MA |
| September 3, 2016 – CANCELED | The Rock Run 50M | Nantucket, MA |
| September 10, 2016 | TARC Fall Classic 50M, 50K | Carlisle, MA |
| September 17, 2016 | Free to Run Trail Races 50M | Pittsfield, MA |
| October 8, 2016 | TARC 100M, 100K, 50M | Westwood, MA |
| October 29, 2016 | BART Howl-Weenie 8-Hour | Adams, MA |
| November 5, 2016 | Stone Cat 50M | Ipswich, MA |
| November 12, 2016 | Cape Cod 100K | Sandwich, MA |
| November TBD, 2016 | Nougat 100K, 50K | Lynn, MA |
| November 19, 2016 | TARCey Trot | Winchester, MA |
| December 3, 2016 | TARC Fells Trail Ultra Winter 40M, 32M | Stoneham, MA |
MassUltra 