Maryland
Maryland Triathlon Calendar 2026-2027
Monthly updates for Maryland
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Maryland for 2026-2027! Our updated list features 13 exciting races across the region. Find your next race in Maryland below and join the running community at these great events!
October 2026
Sprint multisport events at Matapeake Beach in Stevensville, MD on October 17, 2026, including triathlon, duathlon, aquabike and relay formats with a 0.5 mile swim, a 12 mile bike out and back on Route 8, and a 3.1 mile run.
January 2027
A USARA early season adventure race in Thurmont MD offering 4 hour and 8 hour mountain bike and trek options, youth pricing, a pre race clinic, and post race food and awards.
April 2027
Duathlon in Columbia MD with adult and youth races on a mostly flat looped course at 7000 Columbia Gateway Drive.
Triathlon at General Smallwood State Park with bay swims in Mattawoman Bay, rolling bike roads and shaded run loops through the park.
May 2027
A community 5K at National Harbor on May 16, 2027 raising funds for the Potomac Riverkeeper Network to support clean water and river habitat protection.
Monthly updates for Maryland
Get new running races (and updates) in your inbox every month.
June 2027
Olympic and Sprint triathlons in Rock Hall Maryland with protected bay swims, mostly flat bike and run courses, aquabike and relay options over a festival weekend.
A multi-option triathlon event on June 13, 2027 at Sweden Point Marina offering sprint and Olympic swim, bike and run races near Washington DC.
Triathlon in Cambridge, Maryland with a 1.2 mile swim in the Choptank River, a 56 mile bike through Blackwater National Wildlife Refuge and a 13.1 mile run.
Columbia Triathlon in Columbia, Maryland offers Sprint and Super Sprint distances with a pool swim, bike course and paved trail, sanctioned by USA Triathlon.
July 2027
Olympic and Sprint triathlons plus relay and aquabike from Perryville Community Park with bay swims, rolling bike routes, and mostly-flat run loops along the Chesapeake.
August 2027
Two-day multisport event in Hagerstown, Maryland featuring sprint triathlon, duathlon, aquabike and age-group youth triathlons with pool swims.
Triathlon and aquabike races in North East Maryland feature Chesapeake Bay swims, rural hilly bike routes through Elk Neck State Forest, and rolling out and back runs.
September 2027
IRONMAN Maryland in Cambridge, MD features a 2.4 mile Choptank River swim, a scenic bike through Blackwater National Wildlife Refuge, and a downtown run.