New Hampshire
New Hampshire Triathlon Calendar 2026-2027
Monthly updates for New Hampshire
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in New Hampshire for 2026-2027! Our updated list features 2 exciting races across the region. Find your next race in New Hampshire below and join the running community at these great events!
March 2026
Test your mountain skills in this five stage winter pentathlon on the slopes of Mount Washington. Participants use alpine and nordic techniques to traverse from the summit area down to Jackson Village in a unique relay format.
September 2026
Experience a beautiful coastal race at Wallis Sands State Park featuring a flat seacoast bike course and oceanfront runs. Choose from triathlon, duathlon, or aquabike formats in this USA Triathlon sanctioned event in New Hampshire.