United States
- Alabama 10
- Alaska 3
- Arizona 13
- Arkansas 2
- California 66
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 44
- Georgia 3
- Hawaii 5
- Idaho 7
- Illinois 16
- Indiana 5
- Iowa 9
- Kansas 7
- Kentucky 5
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 7
- Michigan 15
- Minnesota 7
- Mississippi 5
- Missouri 12
- Montana 6
- Nebraska 5
- Nevada 3
- New Hampshire 1
- New Jersey 14
- New Mexico 4
- New York 48
- North Carolina 19
- North Dakota
- Ohio 11
- Oklahoma 3
- Oregon 10
- Pennsylvania 20
- Puerto Rico 1
- Rhode Island 1
- South Carolina 10
- South Dakota
- Tennessee 8
- Texas 45
- Utah 16
- Vermont 1
- Virginia 27
- Washington 12
- West Virginia 2
- Wisconsin 22
- 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 566 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
July 2027
A multi-distance biathlon in Long Beach, NY with adult, teen and children's races combining boardwalk runs and short ocean swims.
A 7th annual multi-leg triathlon on the American River Parkway featuring a 5.8 mile run, 12.5 mile bike and 6.1 mile paddle with individual and team divisions.
Triathlon and AquaBike races at Delta Lake State Park with Sprint, Olympic, Delta Double, paratriathlon and relay options and no cut off times.
Sprint triathlon on Nantucket featuring a 450 yard swim, a 13.5 mile bike out and back to Madaket, and a 3.4 mile run through waterfront streets.
Multi-distance triathlon and duathlon events at Guthrie Lake on July 17, 2027, including an Olympic distance and a free Youth Under 12 option.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A multi event day in Rockford, Illinois on July 18, 2027 featuring an 18 mile duathlon, a 2 mile run, and a 2 mile ruck with specified loads. A short free post race fitness challenge is included for participants.
Triathlon at Mercer County Park on July 18, 2027 offering Sprint, Olympic and SuperSprint distances with a lake swim, bike and park run plus a finish line festival.
A USAT sanctioned pool triathlon in Ballwin on July 19, 2026 with 300 yard swim, 9 mile bike and 3.4 mile run plus single, relay and double options.
Cal Tri Williamsburg on July 18, 2027 at Jamestown Beach Event Park features 12 sprint and Olympic triathlon, swim and run options near Colonial Williamsburg.
A community-focused triathlon in Helena with a 500 m pool swim, a 10 mile bike on mixed surfaces, and a 3 mile run through Centennial Park.
Triathlon at Lake Rebecca Park Reserve in Rockford, MN on July 18, 2027 with Sprint and Mini courses around a clear non motorboat lake and spectator parking.
Sprint triathlon with a 200 yard swim, 10.1 mile bike, 3.1 mile run and a separate 5K at Texas Woman's University, plus team and three person relay divisions.
Green Lake Triathlon on July 18, 2027 at Deacon Mills Park offers sprint and Olympic individual and relay races plus a Wisconsin Triathlon Series entry.
Race day at Barlow Lake in Middleville MI featuring Olympic, Sprint and Super Sprint triathlons plus duathlons, aquabikes, relays and swim only events.
IRONMAN 70.3 Ohio in Sandusky, OH features a ferry swim start on Lake Erie, a fast flat 56 mile bike through rural roads, and a 13.1 mile run through downtown.
A July triathlon in Salem, Oregon featuring a downriver 1.2 mile swim, a 56 mile bike through wine country and a flat 13.1 mile run.
A youth triathlon at Pierson Park featuring a pool swim, closed bike loop, and park run with two course lengths for ages 6 to 16.
A multi-discipline race at Montgomery Whitewater with two 1.5 mile runs and a 2,200 foot inflatable kayak paddle, open to ages 13 and up.
Multi-distance triathlon at Lake Springfield on July 25, 2026, with dock swim starts, revised bike routes, relay options, and a finish-line festival with awards and food.
A lakeside triathlon in Guntersville AL offering sprint and Olympic distances with a time trial swim, mostly flat bike course, and a paved run along Lake Guntersville.