United States
- Alabama 10
- Alaska 4
- Arizona 16
- Arkansas 3
- California 58
- Colorado 16
- Connecticut 4
- Delaware 2
- District of Columbia 1
- Florida 40
- Georgia 9
- Hawaii 4
- Idaho 9
- Illinois 19
- Indiana 13
- Iowa 13
- Kansas 3
- Kentucky 10
- Louisiana 6
- Maine 3
- Maryland 13
- Massachusetts 13
- Michigan 16
- Minnesota 12
- Mississippi 6
- Missouri 5
- Montana 4
- Nebraska 4
- Nevada 4
- New Hampshire 3
- New Jersey 10
- New Mexico 5
- New York 44
- North Carolina 26
- North Dakota
- Ohio 11
- Oklahoma 6
- Oregon 3
- Pennsylvania 18
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 2
- Tennessee 13
- Texas 52
- Utah 13
- Vermont 1
- Virginia 33
- Washington 13
- West Virginia 2
- Wisconsin 20
- Wyoming 1
Triathlon Calendar United States 2026-2027
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in the United States for 2026-2027! Our updated list features 605 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2026
Timed water park triathlon at Wild Island Water Park featuring a slide, a 1 mile run and laps in the lazy river; proceeds benefit Sierra Endurance Sports.
A coastal multi-event triathlon at East Beach featuring ocean swims, a technical bike course with mountain views, and a beachfront finish with music and refreshments. Multiple race formats include relays, aquabike, a 5K beach run, and a one mile ocea..
A reverse-order sprint triathlon at Anthem Community Center with a 3.1 mile run, 20 km bike on designated lanes, and a lane-based pool swim.
A USA Triathlon sanctioned sprint and Olympic triathlon in downtown Clear Lake Iowa on August 29 2026, plus a youth Splash and Dash and lakeside finish.
A duathlon at Watkins Glen International on 08/29/2026 with Formula 1 (run, bike, run, bike, run), Classic (run, bike, run) and a two-person F1 Relay on the race track, using Pit Row for transitions and including Porsche event access.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Sprint triathlon at Wendell Moore Park in La Grange KY with a 400 meter pool swim, 10 mile bike and 2 mile run, USAT sanctioned and limited to 200 participants.
A one-day triathlon in Richland featuring Olympic and sprint distances plus 3-person relay divisions, with a river swim, looped bike and run courses, chip timing, limited field size, and online-only registration.
A women-focused multisport event at Red Bridge Park in Cicero IN on August 29 2026 offering triathlon, duathlon, aquabike and relay divisions with awards, soft style shirts in womens sizing and a five dollar referral refund.
A two day multisport festival in Texas City with youth triathlons, a sprint tri, duathlon, 5k, relays, a paratriathlon qualifier and a virtual option at a lagoon venue.
Weekend multi sport event in Loveland Ohio featuring a 5 mile kayak, 8 mile bike and 5K run with individual and team divisions.
A USAT sanctioned sprint triathlon at Drake Field with a 500 yard swim, 13 mile bike and 3.1 mile run on August 29, 2026 in Peachtree City.
A multi-discipline off-road race at Sam Houston Jones State Park featuring trail run, mountain bike, and river paddle legs, plus a shorter duathlon option that includes two runs and a paddle.
A mixed-surface triathlon at Swan Lake featuring a 1,000 yard swim, an 18 mile gravel and pavement bike, and a 4 mile trail run.
A multi-format triathlon at Boulder Reservoir on August 29, 2026 featuring a sunrise swim, fast bike and smooth run with the Flatirons in view. Sprint, Olympic, aquabike, duathlon and relay options are available.
A swim-run aquathon in Milwaukee on August 29, 2026 with three age groups: 8-10, 11-14, and 15 and older. Each race covers 1 mile at 1701 E Capital Dr.
The Unbridled Women Adventure Race is a six hour team event at Laurel River Lake in London, Kentucky. Teams of two or three women and girls combine trekking, beginner level biking, lake paddling and map and compass navigation to collect points.
Multi sport event at Wilson Lake Reservoir on August 29 2026 offering triathlon, duathlon and 5K and 10K run options with chip timing and live music.
A multi-sport adventure on 08/29/2026 with a 5 mile paddle, 3 mile trail run and 7 mile mountain bike, held as a fundraiser for Ingawanis Adventure Base and Woodland.
Timed indoor triathlon at the YMCA of Pueblo with a 10-minute swim, 20-minute bike, and 10-minute treadmill run; ranking by total distance and proceeds support youth programs.
A solo kayak duathlon in Long Beach that combines a 2 mile run, a 2 mile paddle on the Wolf River, and another 2 mile run, with entry fees that include a T shirt and age group awards.