Remarkable course. Deep roots.

The Clarence DeMar Marathon and Half Marathon have heart—and history. Read more about Clarence DeMar

DeMar: The race to run in New Hampshire.

Whether you’re a first-timer or a 50-stater, there’s only one race to run in New Hampshire. At DeMar, you’re not treated as an entrant, but a guest of honor. See what makes DeMar different
motivational speaker, dave mcgillivray

2017 Keynote Speaker: Dave McGillivray

Dave McGillivray is a multiple Ironman Triathlon finisher, world traveler, and motivational speaker. We're honored to have him be our 2017 Keynote Speaker! Learn More about Dave McGillivray

What others are saying about the DeMar Marathon

  • “Ran this the first time in 2016 and what a GREAT surprise. All around a wonderful experience and a must on your marathon calendar.”

    2016 Marathoner
  • “I had the privilege to run in famously scenic places and this marathon is up there with the best.”

    2014 Marathoner, Boston, MA
  • “This is a small race in a gorgeous part of New England. It is extremely well-organized, designed for runners. It is special because of the heritage and the man it honors, the volunteers and organizers LOVE their race, and it features the beauty of New Hampshire.”

    2015 Marathoner, Colorado Springs, CO
  • “As good as a small race gets. Spot-on organization with race day packet pickup and easy logistics. Indoor staging area with plenty of room to stretch and lots of bathrooms. Free parking close to the finish. Medal and shirt are first rate. My new favorite small marathon.”

    2015 Marathoner, Pittsburgh, PA
  • “The first 15-16 miles or so are absolutely beautiful New England countryside. The race is extremely well organized, and most everyone involved with the race was positive and friendly. No crazy crowds or hassles!”

    2014 Marathoner, Concord, MA

We appreciate the support of all our sponsors

DeMar Level

Liberty Mutual logo

hoffman family foundation logo

Elite Level

New England Chevy Dealers logo

Ted's Shoe & Sport logo

Savings Bank of Walpole logo

City of Keene Logo

Epic Level

True North Networks logo

Deep Roots Massage Logo

ann henderson interiors logo

w.s. badger logo