After winning the first three editions of the Spring Fever 8-Hour Ultra, Ed Donahue has finally been dethroned. Donahue has himself to thank for that. The 42-year-old from Abington, Mass., returned for the fourth annual event in Hingham on Saturday, April 11, but opted to race one of the event’s two sub-ultra distances instead.

The fourth annual Spring Fever 8-hour ultra, 5-mile and 5K trail races took place Saturday, April 11, 2026, at Wompatuck State Park in Hingham, Mass. Runners took on a loop course consisting of mostly trails, some pavement, and rolling hills throughout the park.

A celebration of spring was on the agenda for the third annual Spring Fever 8-Hour Ultra, but winter made its presence felt one last time on Saturday, April 12, at Wompatuck State Park in Hingham, Mass.

The third annual Spring Fever 8-Hour Ultra, 5-mile and 5K trail races took place on Saturday, April 12, 2025, at Wompatuck State Park in Hingham, Mass. Runners took on a loop course consisting of mostly trails, some pavement, and rolling hills through the park.

When Jenny Cavanagh created the Spring Fever Trail Races, the owner of TA Fitness in Weymouth, Mass., sought to share her passion for trail-running with members of her gym and other runners in the region. Runners embraced her invitation with 84 taking on any of the various options during the inaugural year.

The second annual Spring Fever 8-Hour Ultra, 5-mile and 5K trail races took place on Saturday, April 20, 2024, at Wompatuck State Park in Hingham, Mass.