Boise Greenbelt Relays & 50 Mile Ultra
Decision scores
Six 0–100 scores telling you, at a glance, who this race is for.
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About the Race
Tackle the full Boise River Greenbelt on a beautiful loop course with a team of your friends on Saturday, May 9th 2026! Join us for the only relay race in the Treasure Valley at the second annual Boise Greenbelt Relays. New this year is a FULL 50 Mile Ultra Distance for Solo Runners. JOIN US Teams of two (2), Teams of four (4), Teams of six/seven (6 or 7 for one per leg!) or solo runners will collectively complete 45 miles (50 for the Solo Ultra Course) looping the entire span of the Boise Ri...
Course Profile
Course profile data unavailable for this race.
Course features
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History & past results
Past finisher times and year-over-year participation will appear here once the organizer publishes them.
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Common questions
How hard is the Boise Greenbelt Relays & 50 Mile Ultra Ultra?
We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.
What should I wear?
Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.
When does it sell out?
No published deadline. Most races raise the entry fee in tiers and can sell out without warning — sign up early if you're committed.
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