There are 296 running races in Maryland in 2026 across 122 cities. The next upcoming race is the Chase Summer 5K in Middle River on June 19. Popular distances include 5K races, 10K races, half marathons.

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Patuxent River Kids Triathlon

Sat, Aug 1 · California, MD California
Triathlon Tiny Tri (Ages 3-5)Patuxent River Triathlon Non-Competitive (Ages 5-17)Patuxent River Triathlon (Ages 6-17)

Kenzie Rose Youth Triathlon

Sat, Aug 8 · Severna Park, MD Severna Park
Triathlon 7-8 year old (age as of 12/31/2026)5-6 year old (age as of 12/31/2026)9-10 year old (age as of 12/31/2026) +2

North East Triathlon

Sun, Aug 23 · North East, MD North East
Triathlon North East Sprint Aquabike (Individual)North East Sprint Triathlon RelayNorth East Sprint Triathlon (Individual) +3