Oregon
Oregon Triathlon Calendar 2025-2026
Explore the best triathlons in Oregon for 2025-2026! Our updated list features 9 exciting races across the region. Find your next race in Oregon below and join the running community at these great events!
April 2026
Join the Spring Classic in Vancouver WA on April 26 for a flat, fast duathlon, half marathon, 10K and 5K with in person and virtual options. Enjoy lake views, music, vendors and post race refreshments while supporting Ainsley's Angels.
May 2026
Join the Gator Grinder Triathlon in Canby OR on May 9, 2026, with a 500 yard pool swim, 12 mile bike and 3.1 mile run through scenic roads and trail. Multiple formats including aquabike and duathlon support the Canby Gators Swim Club.
The PDX Triathlon Festival returns to Blue Lake Regional Park on Sunday May 31 2026 with races and an expo. Choose Super Sprint, Sprint or Olympic distances with relays plus a Sunset 5K and paddle triathlon on scenic flat courses.
June 2026
Swim Foster Lake, bike quiet riverside roads and run a wooded shoreline at Best in the West Triathlon Festival in Foster Oregon. Races for all ages, on site camping and a lively post race BBQ with music round out the weekend.
Spend a weekend at HAGG Lake Multisport Festival in Gaston OR with onsite camping, lake swims and scenic trail runs. Choose Sprint, Olympic or off road triathlon, duathlon, aquabike and paddle events as individual or relay entries.
July 2026
IRONMAN 70.3 Oregon in Salem features a compact race village and a scenic course with a downriver Willamette swim, rolling wine country bike and shaded riverfront run. Often sells out and is a World Championship qualifier.
Experience the Columbia River Triathlon weekend in Vancouver WA with riverside races and big mountain views. Choose kids, sprint and Olympic triathlons plus relays, duathlons, aquaBike, paddle and virtual options for all levels.
August 2026
XTERRA Portland at Hagg Lake on August 1, 2026 offers rugged trail triathlon and duathlon courses around Bobcat Cove with open water swims, technical mountain biking and scenic trail runs. Chase XTERRA World Tour slots or enjoy sprint and kids races..
Join the 28th annual Girlfriends Triathlon and Fitness Festival in Vancouver WA for an all women's weekend of triathlon, paddle and 5K options along the Columbia River with stunning mountain views. Celebrate fitness and community at every pace.