United States
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Alabama9
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Alaska7
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Arizona10
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Arkansas2
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California38
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Colorado8
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Connecticut3
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Delaware3
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District of Columbia
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Florida46
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Georgia13
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Hawaii1
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Idaho9
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Illinois15
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Indiana22
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Iowa8
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Kansas5
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Kentucky9
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Louisiana3
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Maine7
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Maryland11
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Massachusetts17
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Michigan27
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Minnesota16
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Mississippi3
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Missouri14
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Montana3
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Nebraska3
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Nevada
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New Hampshire
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New Jersey23
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New Mexico3
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New York51
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North Carolina30
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North Dakota
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Ohio13
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Oklahoma6
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Oregon9
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Pennsylvania16
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Puerto Rico
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Rhode Island1
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South Carolina14
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South Dakota
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Tennessee22
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Texas44
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Utah14
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Vermont
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Virginia33
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Washington13
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West Virginia5
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Wisconsin24
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Wyoming2
Triathlon Calendar United States 2025-2026
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 2025-2026! Our updated list features 632 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
April 2026
Mini MightyMan Triathlon on April 19, 2026 at Nassau Aquatic Center: 400 meter swim, 6 mile bike and 2 mile run. Family friendly with youth divisions, a pre race clinic, charity support and free race photos.
Join the 2026 Shelbyville Triathlon Series, three races from March 1 to April 19 in Shelbyville KY, featuring indoor pool swims, rolling bike loops and out and back park runs. Complete all three for a series medal and enjoy post race showers.
St. Anthony's Triathlon in St Petersburg April 25 and 26 2026 features Olympic and Sprint races, relays, VIP access and Meek and Mighty youth events. Flat fast coastal courses and festival vibes welcome racers of all levels.
Take on the Lake Norman State Park Sprint on April 25, 2026 in Troutman NC with a 750 meter swim, 18 mile bike and 5K run. Enjoy scenic lakefront racing, on site parking, and options for individual, relay, and aquabike entries available.
Join the Spring Bloom Adventure Race in Fredericksburg VA on April 25 2026 for paddling, hiking and biking across scenic park trails. Choose 15 hour or 4 hour solo and team races with kayak, paddle and PFD provided.
Join Knoxville's multi discipline adventure race April 25 and 26 2026, featuring trail running, mountain biking, paddling and navigation in the Urban Wilderness. Solo or team entries race to score points by visiting checkpoints in a timed format.
Join Booking It Through the Bluff in Hokes Bluff, AL this April, choosing a multi leg triathlon or a scenic 10K loop starting and finishing at the Community Center. Proceeds support the Hokes Bluff Library Foundation.
Take on the Tupelo Sprint Triathlon in April 2026, featuring a 300 meter pool swim, an 11 mile bike and a 5 km run. Options for individual racers or relay teams make this a fun, fast morning race at the Tupelo Aquatic Center.
Take on the General Smallwood Triathlon in Marbury MD with Olympic, Sprint and relay options and a scenic swim in Mattawoman Bay. Rolling low traffic roads, time trial swim starts and finisher swag make it a memorable race day.
Experience a fast, flat race at Vancouver Lake along the Columbia River with duathlon, half marathon, 10K and 5K plus virtual options. All abilities welcome, on course support and parking included, with proceeds benefiting Ainsley’s Angels.
Join the 2026 Cal Tri Culpeper on April 26 at Mountain Run Lake Park in Culpeper VA for a fun multisport day with Sprint and Olympic distances plus youth races. Free youth entries, free parking, and a chilly lake swim where wetsuits are recommended.
Take on the Texasman Triathlon on April 26 2026 at Lake Ray Roberts with Sprint, Olympic, X50, Aquabike and Duathlon options plus Athena and Clydesdale divisions. Open water swim, scenic bike and shaded run combine for a memorable race day.
Join the multisport Cactus Man at Tempe Arts Park on April 26, 2026. Choose triathlon, duathlon, or aquabike in Sprint or International distances, solo or relay, and enjoy a hoodie, finisher medal and post race refreshments.
Sprint triathlon at Tennova Family YMCA in Knoxville on April 26, 2026, featuring a 150 yard pool swim, 9.5 mile bike and 5K run. Relays and aquabike options and USAT sanctioning make this a fast, friendly race day for all levels.
Race West Point Lake on April 26, 2026 at R. Shaefer Heard Park with Olympic and Sprint distances, relays, and an AquaBike option. Scenic lake swims meet fast bike and run courses for racers of all levels.
Dive into the Grapes of Wrath Triathlon, 5k & 10k at Lake Woollomes in Delano, CA on April 26, 2026. Choose from triathlon, duathlon, aquathlon, run or virtual options and enjoy scenic lake swims, flat bike routes and mixed trail runs.
Riverwinds Triathlon in West Deptford features a quick 200 yd pool swim, 10 mile bike and 5K run on a scenic community course. Options include aquabike, duathlon, relays and a separate 5K, plus packet pickup and a kids fun run for families.
Take on the Mammoth Endurance 12 24 36 Hour Tri Relay at Oak Mountain State Park, a looped swim bike run ultra relay with solo and team entries up to six. Short loops and an on site athlete village keep support close and the energy high.
May 2026
Pink Cheeks Triathlon in Seward, Alaska on May 2 features a 600 yard swim, 10K bike and 5K run for solo athletes or three person teams. Expect scenic trails, challenging hills and spring snow on some sections.