Clarence DeMar Marathon

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Keene, NH
Clarence DeMar Marathon

This is the Official page of the Annual Clarence DeMar Marathon & DeMar Half Marathon in Ke Join us for the annual Clarence DeMar Marathon. Same day. Mr.

Named after the unprecedented 7 time winner of the Boston Marathon (he ran it 33 times....after he was told he shouldnt run because he has a "bad" heart). The last time he won it, he was 41. Now also includes the DeMar Half Marathon. Different starting points, same finish. DeMar lived and taught in Keene, NH & this race is a tribute to him. The race ends at the spot on Keene State College's Appian

Way which is very close to where he taught for many years. This is a mixture of rural back NH roads with the last mile covering some of Main St. in downtown Keene. While we are slightly biased, we are confident that this is one of the most scenic marathons you'll find in New England. It occurs just in the beginning of peak foliage here in SW NH. The course starts in Gilsum, NH (pop 811) at el 1100 ft & ends in Keene, NH @ el 450...ish. This is a USATF Certified Race and will follow all of the USATF's guidelines. The race will be limited, so please sign up soon on our website. The race is on Sunday, Sept 29th at 8am

09/06/2026

Who rocked their last long training run this weekend? 3 weeks out. From here on out, it's all about maintaining your fitness and staying healthy. We continue to finalize the details for your DeMar experience.

08/30/2026

Huge thanks to Revo Casino for the extraordinary support of DeMar!

08/29/2026

What?!?! We're only 4 weeks out from race weekend! How is your training coming? Are you registered yet? Marathon runners are likely looking at the last long run next weekend and then on to the taper. If you are already registered, we start sending weekly runner email blasts tomorrow with important logistical information for you. Time to start getting excited!

08/24/2026

Just over a month to go!

Who’s ready to leave it all out there? 🔥

07/14/2026

75 days until the 48th Clarence DeMar!

Let’s hear it in the comments:

👉 Will this be your first half or full marathon?

06/16/2026

Looking for your Fall marathon or half marathon race?

Better yet, looking for a fall race with amazing New Hampshire views, a net downhill course, and big crowd energy?

Sign up through the link in our bio for one of New England’s top fall races!

📸: Derrick Loughlin

06/03/2026

Happy Global Running Day! 🏃🏻‍♀️

Thank you to the runners, volunteers, spectators, and local running community that make this sport so special!

We’re looking forward to seeing you all again in 116 days on September 27!🏃🏾‍♂️

05/24/2026

Remembering all that gave the ultimate sacrifice for their country 🇺🇸❤️🤍💙

04/20/2026

It looks like a great day for chasing unicorns tomorrow. Make it an epic run from Hopkinton to Boylston.

04/19/2026

This is just one of the projects and programs that are supported by the proceeds from DeMar. Every runner who joins us contributes to these programs! Win-win-win🏅. Always a blast fitting 2nd graders with a brand new pair of sneakers to help them Move Every Day👟

Address

Gilsum NH To Main Street
Keene, NH
03431

Website

http://www.clarencedemar.com/

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