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Triathlon Calendar near Mukilteo 2026-2027

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Explore the top triathlons near Mukilteo for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.

August 2026
Aug
30
Su

Beaver Lake Triathlon

Triathlon Duathlon Aquathlon Super sprint 0.25 4.3 mi Super sprint 13.4 4.3 mi Super sprint 0.25 13.7 4.3 mi
A sprint triathlon at Beaver Lake, Sammamish featuring a 1/4-mile swim, 13.7-mile bike, and 4.3-mile run with packet pickup and pasta feed the day before.
September 2026
Sep
6
Su

Newcastle Beach Triathlon

Triathlon Sprint 0.25 8 5 mi
Sprint triathlon at Newcastle Beach Park on Sep 6 2026 with a 1/4 mile swim in Lake Washington, an about 8 mile mixed-surface bike, and a 5 mile asphalt run.
June 2027
Jun
19
Sa

Solstice Run - Seattle

Duathlon 5 km 10 km 15 km
Seattle Solstice Run at Magnuson Park features a USATF certified 5k loop with 5k, 10k, 15k, a kids dash and a duathlon.
October 2027
Oct
2-16
Sa

Duthie Hill Duathlon

Duathlon FULL Duathlon 10mi Bike 5... 10 5 mi RELAY 10 mile bike or 5 M... 10 5 mi
USAT duathlon at Soaring Eagle Trailhead in Sammamish featuring a hilly 10 mile road bike followed by a 5 mile technical trail run with shirts and finisher medals.
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