Lake Wilderness Triathlon and Run
Maple Valley, Washington7:00 AM startOpen water swim
from $55
RegisterSpring 2027
Summer Triathlons in Washington
4 summer triathlons in Washington from June to August 2027. Race days typically run from 55°F at dawn to 79°F in the afternoon. Dates and fees come straight from race registration and refresh every night.
4
summer triathlons
3
cities
79°F
typical race-day high
n/a
typical entry fee
June 2027
Medical Lake- Trailblazer Triathlon/Duathlon/5K
Medical Lake, Washington1:00 PM startOpen water swim
from $25
RegisterJuly 2027
Columbia River Triathlon
Vancouver, Washington7:00 PM startOpen water swim
from Free
RegisterGirlfriends Triathlon & Fitness Festival
Vancouver, Washington9:00 AM startOpen water swim
from $59
RegisterQuick answers
- When are summer triathlons in Washington?
- The season runs June to August. The busiest month is June, with 2 of the 4 races listed here; July has 2.
- What is the weather like for summer triathlons in Washington?
- Across 4 of these races, race day typically runs from about 55°F at dawn to 79°F in the afternoon, with rain on about 11 percent of days. Most start early, close to the low.
- How much does a summer sprint triathlon cost?
- Current entry fees in Washington usually run from $71 to $175, with a typical fee of $129 before processing fees. Most raise prices as race day nears.