Marathons Events in Merrimack

Check out happening marathons events all around Merrimack, NH

6th Annual Naticook Challenge 5k Obstacle Course Race

 Sat, 04 Oct at 09:00 am Merrimack Parks and Recreation

2025 Walk to End Alzheimer's - Central NH

 Sat, 18 Oct at 09:00 am Merrimack Outlets