Treasure Valley Triathlon
Boise, Idaho8:00 AM startOpen water swim
from $29.99
RegisterSpring 2027
Summer Triathlons in Idaho
3 summer triathlons in Idaho from June to August 2027. Race days typically run from 51°F at dawn to 76°F in the afternoon. A typical entry fee is $95. Dates and fees come straight from race registration and refresh every night.
3
summer triathlons
3
cities
76°F
typical race-day high
$95
typical entry fee
Quick answers
- When are summer triathlons in Idaho?
- The season runs June to August. The busiest month is June, with 2 of the 3 races listed here; August has 1.
- What is the weather like for summer triathlons in Idaho?
- Across 3 of these races, race day typically runs from about 51°F at dawn to 76°F in the afternoon, with rain on about 19 percent of days. Most start early, close to the low.
- How much does a summer sprint triathlon cost?
- Current entry fees in Idaho usually run from $65 to $120, with a typical fee of $105 before processing fees. Most raise prices as race day nears.