Clear All
OCR & Mud Runs Near Boston
Showing the next 6 runs that match your filters
Featured
Maine Coast Marathon, Half Marathon & 5K
Get $6 Off - Use Code MC6
Date: May 2-3, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Wells, Maine
Featured
Twin Lights Half Marathon
Get $5 Off - Use Code TL26RG
Date: May 3, 2026 - Sunday
Size: 500 - 1,000 participants
Location: Gloucester, Massachusetts
Wason Pond Wrangler
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Chester, New Hampshire
Muddy Kids - Boston
Date: Jun 20, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Haverhill, Massachusetts
Muddy Princess - Boston
Date: Jun 21, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Haverhill, Massachusetts
Are you organizing a running event?
Thunder Run 5K Obstacle Race
Date: Sep, 2026 (TBD)
Size: 100 - 500 participants
Location: Candia, New Hampshire
Naticook Challenge 5K Obstacle Course Race
Date: Oct, 2026 (TBD)
Size: 100 - 500 participants
Location: Merrimack, New Hampshire
Fenway Spartan Stadion Event Weekend
Date: Nov 7-8, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Boston, Massachusetts
