Wait until the last minute to order a Pace Band?
Choose Expedited or Express Shipping at Checkout and receive your Band in 1-3 Days.

Looking for the Best Boston Marathon Qualifying Races?

View our list of marathons that give you the best chance to BQ.

Race Dates

2018: Sunday, September 30, 2018
2017: Sunday, September 24, 2017

Course Information

Profile: Downhill
Type: Point to Point
Surface: Road/Pavement
Certified?: Yes

Race Day Weather

Mean Temp.: 53°F (11°C)
Average High: 68°F (20°C)
Average Low: 42° F (5°C)

Historical Weather

PR Score & Course Score

PR Score: 99.11
Course Score: 99.43

Race Size

2017: 339 Finishers
2016: 280 Finishers
2015: 262 Finishers

BQ Percentages

2018: N/A
2017: 8.9%
2016: 20.7%

Miscellaneous Information

Pace Groups?: No

Marathon Pace Bands & Elevation Wrist Bands

See what splits you need to run for the Clarence DeMar Marathon or other marathons, adjusted for the specific terrain of each marathon, your goal time and pacing strategies.

Create and Order your Waterproof, Snap-on Pace Band for only $6.99.

Course Description

The Clarence DeMar Marathon is a fast, point to point course which travels through towns of Gilsum, Surry, and Keene, New Hampshire.

The course is a net downhill, dropping approximately 500 feet from start to finish. It is not an entirely smooth downhill since runners will encounter some rolling hills during their net descent to the finish.

Marathon Rankings

The Clarence DeMar Marathon was the 173rd largest marathon in the U.S. last year and was the 216th largest in 2016.

Last year 8.9% of finishers qualified for the Boston Marathon and 20.7% of runners qualified for Boston in 2016.

This gives the Clarence DeMar Marathon the 230th highest percentage of Boston Marathon qualifiers in the U.S. last year and the 38th highest percentage in 2016.

Its Course Score of 99.43 ranks it as the 113th fastest marathon course in the U.S. and the 1st fastest course in New Hampshire.

The typical race time temperature and humidity levels are slightly above the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Clarence DeMar Marathon a PR Score of 99.11. This PR Score ranks it as the 124th fastest marathon in the U.S. and the 1st fastest in New Hampshire.

Learn more about PR Scores and Course Scores on the FAQ page.

Elevation Chart

Max Elevation: 904 feet (275m)
Min Elevation: 471 feet (143m)


Recent Clarence DeMar Marathon Reviews

5 Stars from 1 Reviews
View all Reviews

review of 2017 Clarence DeMar Marathon.   

5 / 5 Stars


Excellent Marathon. Beautiful and Scenic. Logistics and the entire race was well managed.

Race Tips

Logistical Tips (Hotels, Restaurants, Parking, Discounts, etc.)

Finish Time Equivalent

If you ran the Clarence DeMar Marathon in 4:18:00, what would your time in the Boston Marathon be?

See how your race times would compare on other marathon courses using the Marathon Time Converter Tool.