Burien
Triathlon Calendar near Burien 2026-2027
Monthly updates for Burien
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Burien for 2026-2027! We've gathered 6 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
Multi-distance swim-run at Beaver Lake on Aug 2, 2026, with marked swim loops, a 4.3 mile flat run option, and USAT membership required.
A one-day triathlon at Lake Meridian Park in Kent, Washington on August 15, 2026 offering Olympic, Sprint, Super Sprint and relay formats. Finishers receive medals and top age-group athletes earn pint glasses; race T-shirts are guaranteed for registr..
A non-competitive multisport event on Kenmore's waterfront combining a swim, bike, run and a paddle leg. Participants may enter solo or in relays up to four people; registration includes a t-shirt and entry into a prize drawing.
Beaver Lake Triathlon in Sammamish on August 30, 2026 features a 1/4-mile swim, 13.7-mile bike and 4.3-mile run with relay and youth options.
A multi-distance triathlon at Allan Yorke Park on August 30, 2026, with swim, bike, and run courses around Lake Tapps and Pierce County. The event serves as the RTB Summer Series finale and is part of the Trifecta Trident challenge.
September 2026
Sprint triathlon at Rattlesnake Lake featuring a quarter mile swim, a mixed surface 10 mile bike, and a 4 mile run near North Bend.