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34,045EventsUnited States2026
AUG 2026
16SAT
29
AUG
MammothMarch New Hampshire
Allenstown, US
SAT
29
AUG
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Newtown Community Running Event
Newtown, US
MammothMarch New Hampshire
Saturday, August 29, 2026 · Allenstown, United States
Distances
32.2km
Start location
About this race
Back at Bear Brook State Park, conquer the largest developed State Park. MammothMarch New Hampshire: tackle 20 miles in 8 hours.