7 events in Merrimack County, New Hampshire

From big races to Saturday morning group runs—find running, cycling, triathlon, and swimming events and connect with the local endurance sports community.

• Miles to Go for Morgan Color Run 5K [morgansmilestogo.com] [Register at runsignup.com]
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  Sat, May 16, 2026 at 9:00 AM

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  This is a fun Color Run run to honor the life and legacy of a local young adult, Morgan Patten. Proceeds will benefit the Morgan’s Miles To Go Foundation (501(c)(3).

  Morgan Patten was tragically and...

  This is a fun Color Run run to honor the life and legacy of a local young adult, Morgan Patten. Proceeds will benefit the Morgan’s Miles To Go Foundation (501(c)(3).

  Morgan Patten was tragically and mysteriously killed while visiting her fiance in North Carolina in 2019. A vibrant and beautiful young woman from Bradford, NH/Kearsarge Area accepted to law school and to be married to her true love. An avid environmentalist and runner. Keep her legacy of love and adventure alive!

  Run for Morgan!!!

  5k Run

  133 Village Road, Merrimack County, New Hampshire, 03255, United States
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• 2026 WCA Black Fly Blitz 5k [runsignup.com]
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  Mon, May 25, 2026 at 8:45 AM

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  Welcome to the 18th Annual Black Fly Blitz 5K Run/Walk!

  Join us for a scenic 3.1-mile loop around beautiful Wilmot Flat as we celebrate Memorial Day with community, movement, and a little friendly...

  Welcome to the 18th Annual Black Fly Blitz 5K Run/Walk!

  Join us for a scenic 3.1-mile loop around beautiful Wilmot Flat as we celebrate Memorial Day with community, movement, and a little friendly competition.

  Race Day: Monday, May 25 (Memorial Day)

  Start Time: 9:00 a.m.

  Location: Wilmot Flat Loop

  Registration Details

  Online registration is open through 5:00 p.m. on Saturday, May 23.

  Through April 30, runners can purchase a commemorative Blitz T-shirt for just $15.

  Registration is free for children 11 and under and $25 for participants ages 12 and up through May 23.

  Race-day registration increases by $5 for participants ages 12 and up.

  Check-in & race-day registration begin at 7:30 a.m. under the tent on the Town Green at the intersection of Kearsarge Valley Road and Village Road.

  The Course

  The 5K course is a clockwise loop starting on Village Road and continuing along Shindagan, Cross Hill, and Campground Roads, finishing near the Town Green. The route is relatively flat with gentle rolling terrain, making it enjoyable for runners and walkers alike.

  After crossing the finish line, participants can refuel with free beverages and snacks.

  Awards

  Awards ceremony: 10:15 a.m. at the Wilmot Bandstand on the Town Green (next to the Wilmot Town Office).

  Special prizes for first overall male and female finishers.

  Medals awarded to the top three finishers in each age group.

  For everyone’s safety, please leave dogs at home.

  Supporting the Community

  Proceeds from the Black Fly Blitz benefit the Wilmot Community Association (WCA) and its free programs. The WCA owns and operates the Red Barn Community Center on Village Road and Timmy Patten Park, a beach and the playground on Shindagan Road.

  Learn More

  Visit www.wilmotwca.org, call the WCA office at (603) 526-7934, or email wca@wilmotwca.org for additional information.

  5k Run Walk

  64 Village Road, Merrimack County, New Hampshire, 03287, United States
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• Sunapee Scramble Vertical Mountain Race [finishers.com] - Facebook
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  Sun, May 31, 2026

  Run Trail

  Merrimack County, New Hampshire, United States
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• Sunapee Scramble [sunapeescramble.com] [Register at ultrasignup.com] - Facebook - Instagram
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  Sun, Jun 07, 2026 at 9:00 AM

  1398 New Hampshire Rte 103, Merrimack County, New Hampshire, 03255, United States
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• Spaulding Woods 50K [raceawayevents.com] [Register at ultrasignup.com]
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  Sat, Jul 11, 2026 at 8:00 AM

  50k Ultra

  72 Spaulding Rd, Merrimack County, New Hampshire, 03276, United States
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• Ragged 75 Stage Race and 50k [six03endurance.com] [Register at ultrasignup.com] - Facebook
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  Fri, Jul 31, 2026

  50k Ultra

  Ragged Mountain Resort, Merrimack County, New Hampshire, United States
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• Bear Brook Trail Races [facebook.com] [Register at ultrasignup.com] - Facebook
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  Sat, Sep 12, 2026 at 7:00 AM

  Half Marathon Trail Ultra

  Merrimack County, New Hampshire, United States
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