NH 10 Miler
New Boston, NH
10 mi, 5K
von Trapp Mountain Marathon
In 349 days
About this race
A challenging half and full marathon distance trail run in the heart of the Green Mountains at beautiful Trapp Family Lodge. The 13.1-mile loop course features steep climbs, descents, rugged single track, and a climb to Round Top Mountain, with full marathon runners completing the loop twice.
Key dates
Marathon
Registration after Jun 30
$150
1/2 Marathon
Registration after Jun 30
$140
Registration opens
Oct 31, 2026
Registration closes
Oct 14, 2027
Race day
Oct 16, 2027
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Registration openings and major changes, like a new date or a cancellation.
Entry transfers
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- Aug 29, 2027
- Aug 21, 2027
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Listed from UltraSignup. Checked Nov 1, 2026.