24 aidTrail Races & Ultramarathons Near Baltimore, MD
As of October 6, 2026, Crewable lists 29 upcoming trail races and ultramarathons near Baltimore, MD from October 2026 to September 2027. The next is Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge on October 11 in Mount Airy, MD. Registration is open for 8.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
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October 2026
6 racesRick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge
Mount Airy, MD8 hr4 hr+1Open until Oct 11from $50
November 2026
7 racesSchaeffer Half Marathon, 10K, 5K Trail Run
Germantown, MDHalf Marathon10K+1Open until Nov 7from $47.50
December 2026
3 racesJanuary 2027
1 raceFebruary 2027
1 raceMarch 2027
5 racesApril 2027
3 racesJune 2027
2 racesSeptember 2027
1 raceQuick answers
What is the next trail race or ultramarathon near Baltimore, MD?
Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge, on Sunday, October 11, 2026, in Mount Airy, MD. Distances: 8 hr, 4 hr, 5 mi.
What is the closest trail race or ultramarathon to Baltimore?
Patapsco Valley 50K in Baltimore, MD, about 8 miles from Baltimore, on October 24, 2026.
How many trail races and ultramarathons near Baltimore, MD have open registration?
8 of the 29 list registration as open as of October 6, 2026, including Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge, Delaware Trail Fest and Wild & Rooted Trail Run.
How many of the trail races near Baltimore, MD are ultramarathons?
20 of the 29 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 9 are shorter races.
What is the busiest month for trail races and ultramarathons near Baltimore, MD?
November 2026, with 7 of the 29. October 2026 follows with 6.
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