Chisholm Trail Triathlon


Established in the fall of 2017, the Chisholm Trail Triathlon was started with the idea in mind of having a late season race for both our members and college triathletes in our region.

Join us out at Lake El Reno for both Sprint and Olympic distance races. Slightly cooler temps make this a great starting race for triathlon newbies as well as a fun cool-down for those having just completed the Redman in September. This is also a great training race for those competing in Ironman 70.3 Waco later in October.

There will also be a sprint distance aquathlon, and an Olympic distance AquaBike. Each will run concurrently with their respective tri's.

Race will start on Sunday at 8:00 AM. There will be a MANDATORY athlete meeting at 7:45 AM with the Race Director near the transition area / swim entrance. Transition will close to athletes at 7:30AM. Ensure all gear is checked and in transition by this time.

Race Courses

Sprint Distance


Swim - 750yd rectangular swim
Bike - 13mi bike course on historic Rt66
Run - 3.1mi out and back course along Lake El Reno



Olympic Distance
Swim - 1500yd rectangular swim - 2 laps of the sprint swim
Bike - 26mi bike course - 2 laps of the sprint bike course
Run - 6.2mi out and back course - 2 laps of the sprint run course

Sunday at 7:45am, there will be a mandatory athlete meeting with the Race Director.  

Transition for all athletes will close at 7:30 am with Race Start at 8:00am 


Saturday from 1pm-4:30pm at OK Runner. 708 N.Broadway OKC, OK 73102

We can let the cat out of the bag specifically, but there will be discounts on all Brooks merchandise for all participants!

Race-day Starting at 6:30am ending at 7:15. One representative can get the race packet for their team.  
Check the Triathlon Club of Oklahoma City facebook page or the event facebook page for any other extra packet pickup locations\times.


From OKC take I-40 west to El Reno, exit Country Club Rd (Exit 123). Go north 1 mile to Elm St. Go west (turn left) on Elm St. and road will lead straight in the parking/race start area. Look for the El Reno water tower. Click HERE for directions through google maps.  

Address:  801 Babcock Dr, El Reno, OK 73036  


Please park in the grass in the ball park area, just before entering the race site. 


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
Tel:1 405-412-3554


Please call after 5pm; Email or texting always works best.  


Your photo ID 

Your USAT Member Card if you have one. 

For the run: Running shoes. 

For the bike: Bike, helmet, cycling shoes if you use them, frame-mounted water bottle.  

For the swim: Goggles 

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