United States
- Alabama 13
- Alaska 11
- Arizona 19
- Arkansas 5
- California 61
- Colorado 21
- Connecticut 21
- Delaware 3
- District of Columbia
- Florida 47
- Georgia 16
- Hawaii 3
- Idaho 15
- Illinois 26
- Indiana 26
- Iowa 22
- Kansas 7
- Kentucky 13
- Louisiana 8
- Maine 11
- Maryland 17
- Massachusetts 21
- Michigan 35
- Minnesota 26
- Mississippi 5
- Missouri 9
- Montana 10
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 28
- New Mexico 7
- New York 66
- North Carolina 35
- North Dakota 1
- Ohio 23
- Oklahoma 8
- Oregon 8
- Pennsylvania 29
- Puerto Rico 2
- Rhode Island 3
- South Carolina 15
- South Dakota 3
- Tennessee 20
- Texas 55
- Utah 15
- Vermont 3
- Virginia 38
- Washington 22
- West Virginia 6
- Wisconsin 32
- Wyoming 4
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 894 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
October 2026
A full-distance IRONMAN in Sacramento with a current-assisted 2.4 mi swim, a flat 112 mi bike through farm and wine country, and a 26.2 mi run finishing at the California State Capitol, noted for strong spectator support.
A trail Run, Bike, Run at Lake Hodges near San Diego combining a 10k run, a 22k bike and a 5k run. Entries are available for individuals or teams; the event is cupless so participants should bring a personal hydration vessel.
USAT sanctioned sprint multisport races at Lake Worth Beach Park featuring swim, bike, run and relay formats. Courses include a 13 mile bike with a bridge and run sections along the Intracoastal and Snook Island preserve.
Lake Evans Triathlon on 10/18/2026 in Bakersfield features multiple on-site and virtual race formats from 5K runs to longer multisport courses, with finisher medals, event shirts, a meal, music and a team competition.
Cal Tri LA at Dockweiler State Beach offers 18 multisport options across Olympic, sprint, and youth sprint distances, with swims, bikes, runs, and vendor opportunities along the Playa del Rey coast.
Experience a scenic two mile run, twelve mile bike, and final two mile run along the Mohawk Towpath Byway. Compete individually or as a relay team at the historic Riverview Orchards in Rexford.
A USA Triathlon sanctioned youth triathlon at the Citrus Memorial Health Foundation YMCA with Junior and Senior courses plus a non-timed Tri4Fun option for families and adults.
Collegiate women will compete in a draft legal sprint distance triathlon at the NCAA West Regional Championship in Fort Worth on October 18, 2026. Registration runs June 14 to October 12 and the fee is $150.
A continuous 30 hour national adventure race in Bend, Oregon for teams of four in mixed, women, and men divisions. The event includes pre race check in, an awards meal, and a $400 entry fee.
A multi-format off road duathlon at Sadlers Creek Park on 10/24/2026, with adult, junior, youth and relay races over trail run and mountain bike terrain. Park admission is included and the event supports New Foundations Home for Children.
Experience the Southern Utah Triathlon at Quail Creek Reservoir near St. George. Choose between Sprint and Olympic distances featuring a unique F1 format for intermediate racers in a scenic desert setting.
A half iron distance triathlon on Edisto Island featuring a tide assisted channel swim, a flat two loop bike, and a two loop run with frequent aid stations. Relay, aquabike, and a pro only division are offered.
A community event in Valencia on October 25, 2026 featuring running, biking, and a virtual option, with distances from a 1K kids run to a 62 mile ride. Expo, costume awards, aid stations, and route support are provided.
Ultimate Tri at Beachwalk is a triathlon in the Beachwalk Community of St Johns, Florida on October 25, 2026. Participants can have race-day results posted automatically by connecting a Twitter account.
The 13th Annual Boo Bash Triathlon takes place October 25, 2026 at Portland Aquatic Center in Texas with three triathlon options from 7 to 17 miles. Registration runs February 1 to October 1 and fees vary by event.
A fall duathlon in Chalmette, Louisiana on October 25, 2026 with a 2 mile run, 10 mile bike, and 2 mile run. Registration runs April 13 to October 20 with a $32 fee and event T shirts for registrants.
A Halloween multisport event at Merrill Ranch in Florence, AZ offering triathlon, aquabike, duathlon, youth races and relays. Adult triathlon features a 400 m pool swim, 12 miles of bike and a 3 mile run.
A point-to-point triathlon beginning at Lake Mead and finishing at Wilbur Square in Boulder City, featuring sprint and Olympic formats plus aquabike and relay options, and a paved run through historic Boulder City.
November 2026
A coastal triathlon in Morro Bay on November 1, 2026 offering Olympic and Sprint courses with swim, kayak or SUP options and relay entries; distances and fees vary by event.
A multisport race day at Newport Dunes offering twelve sprint and Olympic events, held at the same site since 1978 and serving as the Cal Tri Events National Championship.