Triathlon
Sea to Summit Triathlon
168 km
Start: 12:00 PM

Triathlon
Sea to Summit Triathlon
168 km
Start: 12:00 PM
A self-supported adventure triathlon combining a 1.2-mile swim, 95-mile bike leg, and a 5-mile run/climb up Mount Washington—the tallest peak in the Northeastern United States. The race is deliberately small, limited to 100 experienced triathletes, and requires a designated porter.
Register on the official organiser website.
Sign up nowLast updated: Jun 6, 2026, 12:19:56 AM
We'll email you when races match your filters. No spam — only what fits your goals.
On your marks
Loading race details…