Thunderbird Off-road Mutlisport Extravaganza


We hope to scratch every possible itch this weekend! On Saturday we'll have the inaugural off-road triathlon, an aquabike and a scramble start duathlon at Clear Bay Trails. On Sunday, we'll have the annual long course aquathlon over at the Lake Thunderbird Boathouse.

The Triathlon Club of Oklahoma City, and Team Warmup Cycling welcome you to our filthy little celebration of dirt. We'll be having an off road triathlon on The World's Best Mountain Biking Trails In The World™.

On Saturday morning, We'll be down by the Discovery Nature Center boat ramp. That's within the Clear Bay area of Lake Thunderbird State Park. Transition will open at 6:30am and the start gun will be at 7:30am 

On Sunday morning, we'll be at The Lake Thunderbird Boathouse in the Indian Point area. Again transition at 6:30am and start gun at 7:30. Still too early to know if we'll start in waves, or en mass.

Saturday Course



750yd Swim / 12.4mi Bike / 3.4mi Run




1mi Run / 12.4mi  Bike / 3.4mi Run




750yd Swim / 12.4 mi Bike

Sunday Course



Short - 1000yd Swim / 5k Run


Long - 2000yd Swim / 10 Run - 2 Loops of each


See below for maps. 

Clear Bay Trails are located 16 miles east of I35 on HWY 9 out of Norman. 

The Boathouse is in Lake Thunderbird State Park. Drive east on Alameda Dr until you have to turn left on Indian Point Road. In about 800 yards you will see a sign on the right for "Lake Thunderbird Sailing Club". The gated road will be open. Drive down the hill for parking and the event HQ.  

Depending on the weather, remember to bring some dry clothes for after! We like to hang out and visit! 


Athlete parking is at The Thunderbird Boathouse, the race site. YOU MAY NOT PARK ON THE EDGE OF THE ROAD anywhere within the park, this is a park regulation. 


This is a USAT Sanctioned Event. It will follow all USAT rules and guidelines. All participants MUST have a valid ID along w/ a USAT License. If you do not have a vaild USAT #, then you MUST purchase a one-day USAT Membership for $15. You can purchase a one-day or annual USAT membership direct from USAT. 



The Most Common Rule Violations - A Must Read! 
Most Common Rules Violations & Their Penalty 



Race Director: Steven English  



Your photo ID 

Your USAT Member Card if you have one 

For the bike: I’ve seen people ride these trails on a cross/gravel bike. A mountain bike is the order of the day. Sorry, your tri bike won’t do today. 

For the run: Running shoes, hat, sunglasses 

For the swim: Goggles