United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 62
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 43
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 22
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 5
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 20
- Mississippi 6
- Missouri 4
- Montana 4
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 15
- New Mexico 4
- New York 51
- North Carolina 27
- North Dakota
- Ohio 20
- Oklahoma 6
- Oregon 7
- Pennsylvania 20
- Puerto Rico 2
- Rhode Island 2
- South Carolina 10
- South Dakota 2
- Tennessee 15
- Texas 47
- Utah 12
- Vermont 2
- Virginia 33
- Washington 18
- West Virginia 2
- Wisconsin 19
- Wyoming 3
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 692 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
Annual multisport event at Centennial Beach in Naperville offering sprint triathlon, duathlon, aquabike and kids triathlon distances.
A triathlon and duathlon at Lima Lake Reservoir with a looped swim, a 15 mile country road bike course, and river walk runs, plus relay options, a kids 1k, post-race food and a bounce house.
The Post Falls Sprint Triathlon and Duathlon take place at Q'emiln Park along the Spokane River on August 2, 2026. Events feature a 0.3 mile swim, a 12 mile bike and out and back runs between Q'emiln Park and Falls Park.
Triathlon and aquabike races take place at Gray's Lake Park with a sandy beach swim start and a closed bike course. Distances include sprint and Olympic formats, plus relay, high school, duathlon, and a 1500 m swim.
A triathlon at Fairport Harbor Lakefront Park on August 2, 2026, with swim or kayak starts plus a 20 km bike and 5 km run. Courses use Lake Erie and marked public roads with lifeguards and traffic control at key intersections.
A duathlon at Bill Witt Park and Aquatic Center on August 2, 2026, with two 400 m pool swims and a 3.1 mile run between them. Entry costs $35 and overall male and female awards are offered.
A USAT sanctioned sprint and youth short sprint triathlon weekend in Bolm-Schuhkraft Park featuring pool swims, mostly flat bike routes with one hill, and neighborhood runs.
Multi-distance swim-run at Beaver Lake on Aug 2, 2026, with marked swim loops, a 4.3 mile flat run option, and USAT membership required.
A low-key, chip timed swim-run series at Turtle Lake Park in Shoreview, MN, pairing open-water swims with a 3.1 mile run across five summer dates. Flexible entry allows single events, multiple dates, or the full series as individual or relay.
Race #3 of the Southern Tier Triathlon Club Summer Tri Series in Cassadaga, NY offers Super Sprint, Sprint and AquaBike formats, accepts relay teams and paratriathletes, uses series points and has no cutoff times.
A multi-format swim and run event in Newport Beach on August 6, 2026 offering 1K swim, 5K and 10K runs, a combined 6K swim+run and a relay option. Entries include a race t-shirt, swim cap, free photos, chip timing and awards after each race.
A Thursday evening triathlon finale at Cedar Lake with sprint, relay and super sprint formats, open water swims and fenced transitions.
A weekend triathlon and endurance sports festival in Vancouver, WA featuring Sprint and Olympic triathlons, duathlons, aqua bike and paddle events, Friday 5K and 10K runs, a Kids Triathlon, women's sprint options and virtual races.
An adventure race at Curt Gowdy State Park with 50 hour and 8 hour rogaine style courses featuring mountain biking, trekking and paddling. Solo and team divisions up to four people, with trek only options and volunteer roles.
A triathlon for adults and teens 15 and up featuring a 300 meter pool swim, about 12 miles of biking around Clear Lake, and a 3.1 mile run on the Jackson Trail System. Relay teams are permitted.
Coeur d'Alene Triathlon, Duathlon and Scenic Sprint feature lake swims, lakeside bike routes and a Centennial Trail run finishing in Coeur d'Alene City Park.
A point to point triathlon in Morgan, Utah on August 8, 2026 with Sprint and Olympic distances. Bike courses include a fast downhill Sprint route and an Olympic route with two short climbs and a fast descent.
A multi-discipline race day at Beaver Island State Park on August 8, 2026 featuring triathlon, duathlon, aquabike and relay options with distances from 400 m swims to 17.7 km bike legs.
Kill Creek Park in Olathe, KS hosts sprint triathlon, duathlon, aquabike, and aquathlon races on 08/08/2026 with individual and relay options and a 400 participant field limit.
A multi-distance race day at Twin Lakes Bible Camp on August 8, 2026 featuring sprint and super sprint triathlons plus a 500 meter open water swim, chip timing, packet pickup the evening before, and onsite lodging options.