Twin Coves Beach at Birch Lake, Barnsdall, Oklahoma

Saturday, May 20th and Sunday May 21st, 2017


500 Meter Swim | 12 Mile Bike | 5km Run

Saturday, 7:30am Start

Kids Triathlon

Age 5-8: 50m Swim | 1 Mile Bike | 1/2 Mile Run
Age 9-12: 100m Swim | 2 Mile Bike | 1 Mile Run

Saturday, 10:45am Start


1500 Meter Swim | 40km Bike | 10km Run

Sunday, 7:30am Start

Olympic Aquabike

1500 Meter Swim | 40km Bike

Sunday, 7:30am Start

70.3 Half

1.2 Mile Swim | 56 Mile Bike | 13.1 Mile Run

Sunday, 7:30am Start

Half Aquabike

1.2 Mile Swim | 56 Mile Bike

Sunday, 7:30am Start

Tulsa Triathlon provides a distance challenge for all athletes. Whether you are 5 or 95 you will enjoy the beautiful scenery at Birch Lake near Barnsdall, Oklahoma as you experience the multi-sport lifestyle like no other event.

Events include Sprint Triathlon (500 meter open water swim, 12 mile road bike, 5K road run), International/Olympic Triathlon (1500 meter open water swim, 40K road bike, 10K road run), 70.3/Half (1.2 mile open water swim, 56 mile road bike, 13.1 mile road run). There are two Aquabike distances (1500M/40K and 1.2 mile/56 mile) along with a kids triathlon for ages 5 to 12.

  • Spectator Friendly Event
  • Awesome & Unique Tech T-Shirt
  • Finishers Medal to Celebrate Your Victory!
  • Overall and Age Group Awards for Male and Female Individuals
  • Awards for Overall Teams
  • Post Race Food

The Tulsa Triathlon is hosted by Tulsa Area Triathletes and produced by RunnersWorld Tulsa Racing.

Register online by clicking the button above or visit RunnersWorld Tulsa at 3920 S. Peoria Ave.

We couldn't have such great races without our exceptional volunteers. If you are not racing then sign up to help and you'll receive a 30% discount coupon at RunnersWorld Tulsa.

Check out other multi-sport events hosted by Tulsa Area Triathletes. We'd love to see you in Tulsa for more events like this.


Race Preparation

NowOnline Registration Open
NowIn-Store Registration Open
NowRead our Tips & Tricks Section
NowReview Course Maps
May 16Last Day for Online Registration
In-store registration remains open
May 18
May 19
Packet Pickup available 10am-6pm
RunnersWorld Tulsa
May 21Packet Pickup available 10am-5pm
Olympic & 70.3 Half Only

Saturday, May 20th
Sprint Triathlon & Kids Triathlon

6:15amTransition Area and Athlete Check-In Open
7:20amTransition Area Closes to Everyone
7:25amPre-race Meeting at Swim Beach
7:30amSprint Triathlon Swim Start (1st Wave)
10:45amKids Triathlon Begins
Times subject to change based on race day conditions

Sunday, May 21st
Olympic and 70.3 Half Triathlon

6:15amTransition Area and Athlete Check-In Open
7:20amTransition Area Closes to Everyone
7:25amPre-race Meeting at Swim Beach
7:30amOlympic & 70.3 Half Triathlon Swim Start (1st Wave)
2:00pmBike Cutoff for 70.3 Half
Times subject to change based on race day conditions


The Tulsa Triathlon starts and finishes at Birch Lake in Twin Peaks Cove. Birch Lake is 45 miles north of Tulsa and 25 miles south of Bartlesville, Oklahoma. All events include an open-water swim with a beach start. The transition area is located in paved parking lot. The bike course is on paved roads and the run is a combination of pavement and packed gravel. Aid stations are on the course and near the transition area to help keep your hydration and nourishment in check. The finish line includes food, drinks, music, shade and plenty of chances to cheer for the other participants.

Friends and Family

The Tulsa Triathlon provides many opportunities for friends and family to watch you perform. Birch Lake has a great swim beach near the start line. The transition area in the parking lot is a great place to watch and cheer participants as they transition from one segment to another. The finish line is not far from the transition area and a great place to see all the competitors in action.

Spectators are asked to stay off the course to reduce traffic. Spectators are not allowed to provide any aid or assistance to participants during the race. More cowbell is always welcome.


Our races are manned by the best volunteers in the area. Most are triathletes, runners, swimmers or bicyclists.

Tulsa Triathlon wouldn't be possible without the help of great volunteers. Sign up for a shift at our VolunteerSignup website. Don't worry if you are new to the volunteer scene. You'll be working alongside and learning from the best of the best.

To show our appreciation each volunteer will receive a 30% discount coupon from RunnersWorld Tulsa.

Race Details | Tips | Guidelines | Rules

  • Be familiar with USAT Triathlon rules and regulations.
  • Pay extra attention to some of the most common rule violations on our warnings page.
  • Unsportsmanlike-like conduct directed at race officials, USA Triathlon officials, volunteers, spectators or fellow athletes is forbidden and will result in disqualification.
  • This is a USAT sanctioned event. All participants must be a USAT member – annual or one-day. One-day memberships are available with sign-up.
  • Only the participant can pick up their packet. Participants must show photo ID and proof of USAT membership.
  • No race day packet pickup. If you live more than 40 miles from Tulsa contact the race director to be placed on an exception list.
  • If you plan to stay in a nearby hotel consider hotels in Bartlesville, OK. Most are 25-30 minutes from the race location.
  • Parking is available in Twin Coves Beach Park near the finish line and transition area. Do not cross any cones or barricades to park since our transition area and course need to be clear of obstructions and hazards.
  • Tulsa Triathlon is a Champion Chip timed event. Participants must pick up a timing chip on race day and wear it on your ankle the entire race. It will be removed at the finish line.
  • The transition area is for race entrants only. Friends or family are not allowed inside to help participants.
  • The transition area will remain closed until the race director announces it is open and participants may retrieve their bike and other equipment.
  • The bike and run courses are on open roads with active traffic.
  • No Earbuds, headphones or similar devices during the swim, bike or run.
  • You must wear your helmet (with chin strap fastened) anytime you are riding your bike – including to/from the transition area before or after the race.
  • Participants are responsible for knowing the course.
  • If you drop out of the race please return the chip to the finish line. You will incur a $35 replacement fee if the chip is not returned.
  • Preliminary race results will be posted at the finish line during the event. Final results will be available after the race and submitted to USAT.
  • No transfers and no refunds if you are not able to participate.
  • No refunds if the race is canceled for any reason.