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Spring trail races near DC (2027)

5 trail races on the calendar from March to May, starting with Mcrrc Seneca Creek Greenway Trail Marathon & 50K on Saturday March 6. 4 of them publish an upcoming price increase, so signing up early saves money.

All spring races5K races (29)10K races (11)Half marathons (7)Marathons (3)Ultramarathons (2)Trail races (5)

• Sat6Mar

  Mcrrc Seneca Creek Greenway Trail Marathon & 50K

  Sat Mar 6 · 7:30 AM · Gaithersburg · Maryland Suburbs

  Marathon50KTrail

  from $70Goes up Dec 31
• Sat6Mar

  Half Donkey (Half/10k/5k)

  Sat Mar 6 · 8:00 AM · Alexandria · Northern Virginia

  5K10KHalf marathonTrail

  from $50Goes up Nov 21
• Sun7Mar

  B&A Trail Marathon and Half Marathon

  Sun Mar 7 · 7:30 AM · Severna Park · Baltimore & Annapolis

  Half marathonMarathonTrail

  from $75Goes up Dec 31
• Sat17Apr

  Earth Day 5K & Fun Run

  Sat Apr 17 · 8:30 AM · Baltimore · Baltimore & Annapolis

  5KTrail

  from $30Reg. closed
• Sun25Apr

  Run Thru Reston Half Marathon & 5K

  Sun Apr 25 · 7:30 AM · Reston · Northern Virginia

  5KHalf marathonTrail

  from $40Goes up Nov 30

• Fall 2026121 races
• Winter 2026-2739 races
• Summer 20279 races