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
A sprint triathlon in Pagosa Springs, Colorado on August 8, 2026, featuring a full sprint (800 yd swim, 20 km bike, 5 km run) and a kids sprint for ages 6 to 14. The race can be completed by individuals or by teams.
Riverman/Riverwoman Triathlon at Farm Island Recreation Area in Pierre SD features sprint and Olympic courses, chip timing, lunch, and awards for top finishers.
A women focused triathlon at Lake Nokomis on Aug 9, 2026 offering sprint and super sprint distances, training support, adaptive access and a large volunteer team.
The 16th Annual CRDA Atlantic City Triathlon at Bader Field offers Sprint and Olympic distances with a back-bay swim, expressway bike, and boardwalk finish in front of Boardwalk Hall; on-site camping is available in 2026.
Entry level triathlon in Hermosa Beach with a 1/4 mile swim, 10 mile bike and 3 mile run along the Pacific on August 9, 2026.
A 10 year anniversary triathlon on August 9, 2026 in Ashland City TN offering sprint and Olympic distances with a swim among river bluffs, bike and run courses, plus a post race party with food and live music.
A multi sport event in Lincoln, Maine offering Olympic and Sprint triathlons plus corresponding duathlon options around Prince Thomas Park and Lake Mattanawcook.
Event #3 of the AdventHealth Cool Sommer Mornings Series takes place at Clermont Waterfront Park on August 9, 2026 with a Mighty Dragon theme. Multiple race formats are offered, including 5K, sprint triathlon, duathlon, aquabike, aquathlon, double an..
Swimrun across Casco Bay islands near Portland, Maine, with three distances, ocean swims, island runs, mandatory safety gear, and ferry transport for athletes.
OTILLO Swimrun Casco Bay Islands is a swimrun event in Long Island, Maine on August 9, 2026, offering World Series, Sprint and Experience categories for solo and team entrants plus spectator boat tickets for adults and children.
All-women’s triathlon and fitness festival on August 9, 2026 at Frenchmans Bar in Vancouver, WA, featuring sprint triathlon, duathlon, aqua-bike, a 5 km run, and a kids triathlon; event benefits the Northwest Association for Blind Athletes.
A multisport event in Santa Cruz on August 9, 2026 featuring international and sprint triathlons, aquabike, aquathlon, duathlon, open swims and a 5 km run, plus relay teams, special category rules and participant awards.
Sharon Triathlon on 08/09/2026 in Sharon, MA offers individual, relay and AquaBike formats with a half mile swim, a roughly 12.4 mile bike time trial and a 4.4 mile lakeside run, followed by a post-race BBQ.
A memorial triathlon and duathlon at Midland Beach featuring a calm 400 m swim, a closed flat 12-mile bike course on Father Capodanno Blvd, and a 3-mile boardwalk run, plus relay and aquabike options.
A women's multisport event on August 9, 2026, in Pleasant Prairie, WI offering sprint triathlon, duathlon, relay and para sprint options. Registration runs November 17 to December 1, 2025, with fees from $95 to $190.
A triathlon and duathlon at Rancho Seco Park featuring a lake swim, road bike course, and dirt trail run, with age-group and overall awards, finisher items, and on-site camping at the venue.
Four-race sprint triathlon at James Island County Park featuring a 600-yard swim, 12-mile bike and 5K run; registration closes the Wednesday before each race.
A new sprint triathlon at Kanuga Lake with a time-trial swim, mixed-surface bike course, and a fast 5K run, plus a weekend 5K challenge and virtual entry option.
12th Annual Lititz recCenter Sprint Triathlon in Lititz, PA on August 9, 2026, with individual and team entry categories and published entry fees.