Williamstown
Triathlon Calendar near Williamstown 2026-2027
Monthly updates for Williamstown
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Williamstown for 2026-2027! We've gathered 15 exciting races in the area. Check out our detailed list below to find your next local race.
February 2026
Join The Frozen Hare 2 at Lawrence Park Swim Club for a winter multisport festival with pool swims, runs, triathlons, duathlons and virtual options. Heated outdoor pool, many distances, awards and shirts for entrants.
April 2026
Riverwinds Triathlon returns Sunday April 26 2026 in West Deptford NJ, offering triathlon, relay, aquabike, duathlon and a 5K for every level. Kids can enjoy a free fun run Saturday with medals.
May 2026
Adventure Triathlon at The Manor in Mays Landing on May 3 offers triathlon, duathlon, aqua bike, 5k trail run and bike time trial for ages 12 and up. Enjoy scenic kayak, mountain bike and trail run courses, medals for all and free race photos.
Join the Abington Triathlon at Abington High School on May 30 with individual and team triathlons, a duathlon, aqua bike and a 5K. Swim in the school pool, tackle two bike loops and finish on campus while supporting local youth programs.
Celebrate 30 years of multisport at the Jersey Genesis Triathlon, Duathlon & Aquabike in Port Republic NJ on May 30, 2026. Enjoy calm river swims, scenic country bike routes and a looped run with options for individual or relay teams.
June 2026
Join the Sunset Lake Triathlon in Bridgeton, NJ on June 20 and 21 for sprint and Olympic triathlons, duathlon, aquabike and more on scenic park trails and country roads. Family friendly with relay options and proceeds supporting Cohanzick Zoo.
July 2026
Race the DQ multisport festival in Vincentown NJ on July 11, 2026, with triathlon, duathlon, aquabike, aquathlon, relays and a Super Sprint open to ages 12 and up. Fast wave starts and scenic courses make it perfect for racers of every level.
Celebrate the Women's Philadelphia Triathlon in Fairmount Park with pool swims at Historic Kelly Pool and scenic bike and run courses. Kids, sprint and relay options with women's specific shirts, finisher medals and live timing.
Join the Lake Lenape Tri/Aqua/Du in Mays Landing on July 19 for sprint tri, duathlon, aquabike, swim run and relay options for ages 12 and up. On site bike mechanics and post race massages add extra support while you chase Grand Prix points.
Jump into summer at Laurel Lake with a welcoming multisport festival featuring triathlon, duathlon, aquabike, aquathlon, relays and a super sprint for all levels. Wave swims, scenic bike loops, lake loop runs, tech shirt, medal and post race refreshm..
August 2026
Autumn Lake Triathlon in Williamstown features a refreshing lake swim, a flat 13 mile bike on wide lanes, and a scenic 5K through vineyards and around two lakes. Relay, aquabike, duathlon and aquathon options are available.
Jump into the Greenfields Tri/Aqua/Du/5K and Splash and Dash on August 16 at Greenfields Swim Club in West Deptford. Multiple distances from kids splash to tri and 5K with USAT sanctioning, chip timing, finisher medals and free photos.
Take on the DQ Medford Lakes Colony Sprint Triathlon, Duathlon and Aquabike on August 23 in scenic Medford Lakes, NJ. Swim in a private lake, tackle a 17.2 mile bike course and finish with a 5k for a T shirt and finisher medal.
September 2026
Race DQ Pine Barrens at Atsion Lake with a lake swim, a fast country road bike loop and a pine needle trail run. Olympic and sprint triathlon, duathlon, aquabike and aquathlon options welcome every racer.
Kick off fall at Lake Wenonah Tri/Aqua/Du with a cedar lake swim and scenic town bike and run courses. Choose triathlon, duathlon, aquabike, or relay for a fast, friendly race day.