Tulsa Area Triathletes is excited for Tulsa Triathlon! Join us on at Twin Cove Point at Birch Lake in Barnsdall, OK. This is a beautiful location for swimming, cycling and running. ALL RACES ON SUNDAY!! The schedule of events will be Individual Sprint, Relay Team Sprint, Individual Olympic, Relay Team Olympic, Aquabike and NEW this year Swim Only option..
More information can be found on the TAT Race Series website!
This is a great local race for newbies and the experienced! If you are wanting to test the waters of triathlons join us for the Sprint! Or maybe you are thinking about a little longer and try the Olympic. We heard many of you wanted a swim only options so this year we are offering a swim option only for you water lovers!!
You can also create a Relay Team!! Share the fun with 2-3 people on race day! This is a great way to see what triathlons are all about and let you do your favorite part of the tri!
We will have a Safety Swim Wave for the Sprint Tri Sunday. Participants can opt into when registering. This wave is for anyone who feels uncomfortable with the swim portion of the race and wants to start at the back of the waves with a SaferSwimmer buoy. Safety Swim Wave participants will be taken out of Age Group Awards.
Tulsa Area Triathletes is a local non profit club with a mission of promoting and providing fair and safe competitive multi-sport events and training opportunities for individuals of all ages and abilities. Need a people to train with....Join TAT and gain a lot of new like minded friends! Check Out TAT!
Tulsa Area Triathletes has teamed up with RunnersWorld Racing, a local race producer and running store to host and manage our three multi-sport races. They are a great local race producer that continually gives back to the local Tulsa community and surrounding area. Support local and race local!
No refunds for this event due to weather, cancellation or if postponed. You can defer your registration 1 year but you must defer by August 30th.
USAT Wetsuit Rules
USAT rules state that competitors may wear wetsuits if the water temperature is 78 degrees or lower.
USAT rules also state that if the water temperature is between 78.1 – 83.9 degrees, competitors may wear wetsuits but will not be eligible for awards or USAT ranking points.
USAT rules also state that if the water temperature is 84 degrees or higher, wetsuits may not be worn.
Participants Packet Pickup:
All Packet Pickup is at RunnersWorld Tulsa 3920 S Peoria Tulsa 74105
You must bring photo id no exceptions
Race Schedule
Sep 20, 2026
Distance — Aquabike Short (Oly)
Type — —
08:00
$75.00
Sep 20, 2026
Distance — Olympic Triathlon
Type — —
08:00
$85.00
Sep 20, 2026
Distance — Relay Team Olympic (per person fee)
Type — —
08:00
$45.00
Sep 20, 2026
Distance — Relay Team Sprint (per person fee)
Type — —
08:00
$40.00
Sep 20, 2026
Distance — Sprint Triathlon
Type — —
08:00
$75.00
Sep 20, 2026
Distance — Swim Only - 1500 meter
Type — —
08:00
$40.00
Sep 20, 2026
Distance — Swim Only - 500 meter
Type — —
08:00
$40.00
These values represent the 3-year monthly averages for September in Barnsdall.
Learn more about the host city, Barnsdall.
Barnsdall is a city in Osage County, Oklahoma, United States. As of the 2020 census, the population of the city was 1,034.
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