There are 290 running races in Maryland in 2026 across 122 cities. The next upcoming race is the 2025 Half-Marathon Training in College Park on July 25. Popular distances include 5K races, 10K races, half marathons.

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Patuxent River Kids Triathlon

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

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

The Mermaid Run

Sat, Aug 22 · Aberdeen, MD Aberdeen
Virtual Mermaid MileMermaid Virtual 5KMermaid Virtual 5K - International +1

North East Triathlon

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