United States
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Alabama11
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Alaska8
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Arizona11
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Arkansas4
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California46
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Colorado10
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Connecticut4
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Delaware4
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District of Columbia
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Florida55
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Georgia13
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Hawaii1
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Idaho14
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Illinois25
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Indiana27
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Iowa9
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Kansas5
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Kentucky9
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Louisiana4
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Maine7
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Maryland18
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Massachusetts18
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Michigan29
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Minnesota20
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Mississippi4
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Missouri14
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Montana7
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Nebraska5
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Nevada
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New Hampshire1
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New Jersey28
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New Mexico3
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New York64
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North Carolina30
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North Dakota1
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Ohio16
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Oklahoma8
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Oregon12
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Pennsylvania21
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Puerto Rico1
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Rhode Island2
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South Carolina13
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South Dakota
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Tennessee23
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Texas51
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Utah15
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Vermont
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Virginia37
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Washington17
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West Virginia7
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Wisconsin26
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Wyoming3
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 757 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
January 2026
Take on the 2026 Tri Flake Winter Triathlon in Anchorage at Kincaid Park for a thrilling snow event featuring run, snow bike and ski legs. Solo and team entries welcome, with a festive stadium finish and courses set by race day conditions.
Join the Stick Season Trail Run Series in Glencoe, Missouri for five snowy weekend races across road and rugged single track, from a 4 mile to a half marathon finale. Chip timing, swag, medals and series awards make this a winter must do.
Tackle a winter adventure on January 24 at Cumberland State Forest and Bear Creek Lake with an 8 to 10 hour course combining mountain biking and trekking. Compete solo or in teams, navigate your own route and choose how much of the course to complete..
Join the Stick Season Trail Run Series in Glencoe, Missouri for five snowy weekend races across road and rugged single track, from a 4 mile to a half marathon finale. Chip timing, swag, medals and series awards make this a winter must do.
Join the OSU Indoor Triathlon at Ohio State's RPAC on Jan 25, an energetic indoor swim bike run that also serves as a USAT Collegiate Nationals qualifier. Enjoy post race food, a race tee for early registrants, and prize certificates for top finisher..
Hit the snow at the Mora Winter Triathlon and Duathlon at Vasaloppet in Mora, MN on Jan 25, 2026 for running, fat biking, and skiing across scenic nordic trails. Solo racers and team relays welcome.
Ninth Annual Laguna Vista Du It By The Bay Duathlon in Port Isabel on January 25, 2026 offers a scenic run, bike, run along the waterfront. Individual and relay teams welcome, open to adults 17 to 99.
Join the NorthPointe Wellness Indoor Triathlon Series in Roscoe Jan to Mar 2026 for three indoor swim bike run races. Register for a single race or the full series and chase top overall awards while spots remain.
Celebrate winter at the City of Lakes Loppet in Minneapolis with cross country skiing, fat biking, skijoring and snowshoe races and tours. Scenic trails around Theodore Wirth Park and Lake of the Isles welcome all levels.
February 2026
Join the St. Charles Indoor Triathlon on Feb 1, 2026 at Norris Recreation Center, featuring adult and youth waves with pool lane swims, stationary bikes, and a tracked run. Proceeds benefit St. Charles Aquatics and youth tri programs.
Dive into Tiger Tri 2026 at Mizzou Rec on Feb 1, 2026. This USAT sanctioned indoor outdoor tri features a 50 m pool swim, a 10 mile spin bike leg and a 5k track run with hourly heats for all levels.
Join the Super Bowl Duathlon at Lake Louisa State Park in Clermont for a scenic non drafting run, bike, run with sprint and Super Sprint options. Limited to 130 athletes, chip timed and USAT sanctioned with a souvenir for all.
Push your limits at the Apex Endurance Challenge on Feb 7, 2026 at T. Mabry Carlton Reserve in Venice FL, featuring 50K and 25K trail races plus 4 and 8 hour adventure races with biking, kayaking and navigation. Teams or solo entries welcome.
Take on the Medina Rec Indoor Tri at Medina Rec Center in Ohio, featuring indoor triathlons, a biathlon and a youth race. Wave starts keep fields small with limited spots and no refunds, so sign up early.
Try the Philip Cullen Indoor Triathlon at the Lexington YMCA on Feb 8, 2026, a fully indoor swim, bike and run event offering individual and relay entries. Time based format instead of fixed distances makes it great for all abilities.
A three day, 320 mile Ultraman event in Clermont Florida featuring a 6.2 mile swim and extensive bike stages. Limited to 50 athletes, with individual and relay entries and mandatory pre race check in and briefing.
The Susitna 100 is a challenging winter race held in Alaska, featuring both a 100-mile and a 50K course. Participants navigate marked trails through stunning, remote landscapes, experiencing the unique conditions of winter racing. The event is organi..
Challenge yourself at the 43rd Mt Taylor Winter Quadrathlon on Feb 14, 2026 in Grants NM, a four discipline mountain race up to the 11,301 ft summit. Steep snowy climbs, sweeping views, aid stations and GPS tracking await.