Oklahoma Triathlon Calendar 2026-2027

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Monthly updates for Oklahoma

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Explore the best triathlons in Oklahoma for 2026-2027! Our updated list features 7 exciting races across the region. Find your next race in Oklahoma below and join the running community at these great events!

May 2026
A sprint triathlon in Jenks on May 3, 2026 with a 400 yard pool swim, 12 mile bike and 2 mile run. Options include individual and 2-3 person relay entries; USAT membership is required.
July 2026
Join Negative Split Racing for a four day triathlon camp in Ardmore, Oklahoma, July 16 to 19, 2026, with coached open water swims at Lake Murray and scenic but demanding hilly bike routes. Enjoy group sessions, Friday and Saturday dinners, and giveaw..
This triathlon series at Guthrie Lake offers seven events, from Olympic to a free youth race. The swim takes place in a calm, no-wake lake cove, and the swim is never wetsuit legal. Parking is plentiful near the transition area.
Join this community sprint triathlon in Bartlesville featuring a pool swim and a scenic bike ride. With dedicated categories for adults, relays, and children, it is a great athletic event for the whole family.
August 2026
Experience a flat and fast multi sport race at Mohawk Park in Tulsa. This duathlon features a 5km run and 25km bike course for adults along with dedicated events for kids.
September 2026
The Tulsa Tri features swim, bike, and run events at scenic Birch Lake. Options include Sprint and Olympic distances, relay teams, and dedicated swim-only races. It is organized by the local Tulsa Area Triathletes club.
October 2026
A multisport event at Mitchell Park Guthrie Lake on October 3, 2026 offering Sprint, Super Sprint, Duathlon, Aquabike and a free Youth Under 12 option; swim in a protected cove, looped bike course and mapped routes.