
Tulsa Area Triathletes Tulsa Tri 2026
Barnsdall, OK
Sun, Sep 20, 2026
In 3 days · Sun, Sep 20, 2026
Don't let race day sneak up
One email during race week. That's it.
Sunday, September 20th, 2026
Co Rd 2409 and Lake Access Road, Barnsdall OK
See race page
67–85°F · low rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2025
67–86°F
rain
2024
76–96°F
dry
2023
65–84°F
dry
2022
76–97°F
dry
2021
74–96°F
dry
2020
58–78°F
dry
2019
72–80°F
rain
2018
77–90°F
dry
2017
75–91°F
dry
2016
75–93°F
dry
Best months to race in Oklahoma →
Race-day forecast · Sunday, Sep 20
Rain likely · 69–98°F
Sunday, Sep 20starts near 69°F · 42% chance of rain · wind up to 18 mph
About this race
Race Overview
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!
Participation Options
- Race Types: Individual Sprint, Relay Team Sprint, Individual Olympic, Relay Team Olympic, Aquabike, Swim Only option.
- Relay Team: Share the fun with 2-3 people on race day! This is a great way to see what triathlons are all about.
- Safety Swim Wave: Participants can opt into when registering. This wave is for anyone who feels uncomfortable with the swim portion.
- Age Group Awards: Safety Swim Wave participants will be taken out of Age Group Awards.
Club Information
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. If you need people to train with, join TAT and gain a lot of new like-minded friends! Check Out TAT!
Event Management
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!
Registration Policy
No refunds for this event due to weather, cancellation or if postponed. You can defer your registration for 1 year but must submit by 9/10/2026 for $15 deferral fee.
Wetsuit Rules
USAT rules state that competitors may wear wetsuits if the water temperature is 78 degrees or lower. 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. If the water temperature is 84 degrees or higher, wetsuits may not be worn.
Participants Packet Pickup
- Location: All Packet Pickup is at RunnersWorld Tulsa 3920 S Peoria Tulsa 74105. You must bring photo id no exceptions.
- Dates:
- Friday September 18th 10am - 6pm
- Saturday September 19th 10am - 4pm
- Packet Pickup Rules: YOU MUST BRING YOUR PHOTO ID. ONLY THE RACER CAN PICK UP PACKET.
- Relay Team Members: All Relay Team members must pick up their own packet.
Race Schedule
- Packet Pickup: RunnersWorld Tulsa 3920 S Peoria Tulsa OK
- Friday 9/18 10am - 6pm
- Saturday 9/19 10am - 4pm
- Race Day Sunday September 20:
- 7:00am Transition opens
- 8:00am Transition closes
- 8:05am Pre-Race Meeting at Swim beach area
- 8:10am Sprint Race Begins
- 8:16am Olympic Race Begins
- 12:00pm Bike Cutoff - You MUST be off bike and on run course
Important Note
No refunds for this event due to weather, cancellation or if postponed. You can defer your registration for 1 year but must submit by 9/10/2026 for $15 deferral fee.
Course map
Hotels for race weekend
Live prices near the start line, Sep 19 – 21, 2026.
Train with a club
Run clubs near Barnsdall to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.




