from $100
RegisterIdaho triathlons
Triathlons in Idaho
4 upcoming triathlons in Idaho listed by date, with cities, start times, and entry fees. Find a triathlon near you and register.
4
upcoming races
0
cities with 3+
Other distances
October 2026
June 2027
Treasure Valley Triathlon
Boise, Idaho8:00 AM startOpen water swim
from $29.99
Register
from $25
RegisterAugust 2027
from $64
Register