What a way to close out May! A slew of regional ultras saw strong showings by runners from Massachusetts and greater New England. None of those performances were bigger than that of Shaun Daylor of Lakeville, Mass., and Jason Mosel of Corinth, Vt., who successfully completed 551 miles apiece to finish the 888K race at Infinitus in Vermont. Their efforts highlight a busy week that also included the return of Pineland Farms in Maine, the Run Ragged Last Person Standing race in Connecticut, and a big showing by three Massachusetts women at the Cow Bone Ultras in Maryland. Additionally, we’ve included results from two May 22 races, the 57-mile Cross-Connecticut Run for Mental Health Awareness and the Winchester, Mass., resident Tom Flummerfelt’s runner-up finish at the Keystone Backyard Ultra Last Person Standing race in Pennsylvania. That amounts to plenty of reading in this week’s roundup.

The return of the Riverlands 100 and the 100-mile debut of Pittsfield resident Kehr Davis highlight a roundup that also includes the Wildflower 50K in Texas and the inaugural running of the Cocodona 250 in Arizona. There were several more races in the Northeast and around the country, too, and we will try to include those next week if results become available.

The arrival of May meant the return of more in-person racing across the United States. Among the most notable for New England ultrarunners were the Ultra Race of Champions in Virginia where Vermont’s Aliza Lapierre raced to victory, and the 10th annual Big A 50K in Maine that featured a field consisting almost entirely of New Englanders and a dynamite debut performance by Lila Gaudrault. Those races and more are featured in this week’s roundup.

The continued success of the COVID-19 vaccine rollout in the United States has led to more in-person ultramarathons taking place across the country. The April 24-25 weekend was just the latest example as more than two-dozen in-person ultras took place throughout the country. Results have been slow to come in from many of them, but at least three included runners from New England.