Spring ultramarathons in Massachusetts, United States

New England dirt trails marking the return of spring, with fresh terrain after winter

Jeep trails and singletrack paths through Mt. Toby’s varied terrain, early-season race atmosphere

Reverse-direction loop course through Wompatuck State Park, 8-hour ultramarathon format, trails starting and finishing at campgrounds

3.1-mile varied trail loop completed hourly, flexible distance and pacing, supportive atmosphere with no DNFs or penalties

Twisty, rocky 50K and 50-mile routes at Blue Hills Reservation, starting and finishing at Houghton’s Pond; challenging navigation through rugged terrain.

Team-based relay spanning 200 miles across all 15 Cape Cod towns with a 10- to 20-pound rucksack per runner, featuring the Pilgrim Monument challenge.

50K on gently rolling Jericho Town Forest trails, with smooth, relatively flat loops through wooded singletrack in Weston, Massachusetts.

Smooth, fast 50K and 30K routes on wide grassy lanes and winding single track through tranquil Watuppa Reservation forests

Rugged 50-mile mountain ultra on the historic Wapack Trail, with 10,800 feet of climbing, rocky technical terrain, and New England ridgeline views.

50-mile out-and-back on the historic Wapack Trail, with 10,800 ft of climbing, rocky ledges, steep climbs, technical footing, and wide mountain views.

Single-loop 50K with 4,281 feet of gain on runnable dirt roads, trails, and pavement through Western Massachusetts and Southern Vermont landscapes

Rolling jeep trails and river views along the Chesterfield Gorge, featuring out-and-backs on unpaved terrain with permanent mile markers