Triathlon Calendar United States 2026-2027

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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!

April 2027
SwimRun Lake James mixes open-water swims and varied running terrain at Lake James State Park on April 24, 2027. Team and solo options are available over long (about 20 miles) and short (about 13 miles) courses.
Olympic and Sprint triathlons at General Smallwood State Park with a Mattawoman Bay swim, rolling bike and shaded run courses plus multiple race categories.
Sprint triathlon at Lake Norman State Park near Troutman NC as Round 3 of the North Carolina Triathlon Series, with Individual, Relay and Aquabike divisions and set registration windows and fees.
Multisport event at Lake Pleasant with sprint and Olympic triathlon, duathlon and aquabike options, chip timing and USAT sanctioning.
Off-road triathlon at Table Rock State Park in Branson, MO on Apr 24, 2027, with full and sprint distances and World Championship qualifying slots.
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A multisport festival at Lake Mission Viejo on April 25, 2027 offering triathlon, duathlon, aquabike, a 5K, mini sprint and kids races with USAT sanctioning.
A multi-discipline event at Riverwinds Community Center in West Deptford with a 200 yd pool swim, 10 mile bike and 5K run; options include aquabike, duathlon, relay and a free kids fun run. USAT sanctioned.
Twelve-event triathlon day at Mountain Run Lake Park in Culpeper, VA on April 25, 2027 offering sprint and Olympic race options.
Multidistance triathlon at Lake Ray Roberts in Valley View TX on 04/25/2027, featuring sprint, Olympic, X50, aquabike, duathlon and weight category divisions.
A run-bike-run duathlon in Seekonk, MA featuring 2-mile runs and an 11-mile bike through countryside, with a 4-hour course limit and packet pickup options.
Multi-discipline event at Lake Woollomes near Delano CA with sprint and Olympic triathlons, duathlon, aquathlon, aquabike, 5K/10K runs and virtual options.
May 2027
A sprint triathlon at Smith Mountain Lake State Park with a 750 m swim, 20K bike and 5K run, held in May with time trial swim starts and multiple race categories.
A sprint triathlon in historic Defuniak Springs with a 600 meter swim, 12 mile bike, 5 km run, post-race food and a community benefit.
Half Iron triathlon at White Lake, NC on May 1, 2027 with a 1.2 mile swim, 56 mile bike and 13.1 mile run and pro, individual, relay and aquabike fields.
A map-and-compass adventure in Williamsburg combining paddling, biking and trekking with 24 hour and 5 hour race options.
All-female multisport event in El Paso offering live and virtual options from a 300 yard pool swim plus bike and run distances, including youth Splash and Dash.
A two day multisport festival at Oak Mountain State Park featuring open water swims, a Swim-Run mixed relay, and sprint and Olympic triathlon formats.
An adventure race in South Knoxville with 5 hour and 10 hour courses combining paddling, trekking, mountain and road biking and checkpoint navigation.
Multi-event day at Vancouver Lake Regional Park with a duathlon (5K, 12.91 mile bike, 5K), plus a half marathon, 10K and 5K; parking included.
Triathlon in Sioux Center with a 300 yard indoor swim, a 25K bike on paved roads and a 5K run on paved trails; individual or 2 to 3 person relay entries.
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