Oregon
Oregon Triathlon Calendar 2026-2027
Monthly updates for Oregon
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Oregon for 2026-2027! Our updated list features 5 exciting races across the region. Find your next race in Oregon below and join the running community at these great events!
August 2026
A weekend triathlon and endurance sports festival in Vancouver, WA featuring Sprint and Olympic triathlons, duathlons, aqua bike and paddle events, Friday 5K and 10K runs, a Kids Triathlon, women's sprint options and virtual races.
All-women’s triathlon and fitness festival on August 9, 2026 at Frenchmans Bar in Vancouver, WA, featuring sprint triathlon, duathlon, aqua-bike, a 5 km run, and a kids triathlon; event benefits the Northwest Association for Blind Athletes.
September 2026
Newport Harbor Triathlon in Newport OR on September 20, 2026 offers adult and youth triathlons, an aquabike, a relay option, and an open 5K.
October 2026
A 30 hour continuous adventure race at Diamond Lake Resort, Oregon on October 23-24, 2026. Four-person teams compete in mixed, all-women, and all-men categories across trekking, mountain biking, paddling, and navigation with live tracking.
June 2027
A weekend multisport festival in Sweet Home, Oregon with triathlon, running and bike events, ADA friendly access, youth rates, camping and themed post‑race activities.