2027 Clarence DeMar Marathon
The Clarence Demar Marathon offers a fast, scenic tour of Keene, New Hampshire, honoring a legendary runner.
Race Date
Sep 26, 2027
Location
Keene, NH
Quick facts
- Date
- Sunday, September 26, 2027
- Location
- Keene, New Hampshire
- Distance
- Half marathon (13.1 mi)
- Course
- Point to Point
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 3,864
Highlights
Good For
Atmosphere
Course
The Experience
The Clarence Demar Marathon in Keene, New Hampshire, is a tribute to the legendary runner who won the Boston Marathon seven times. First run in 2015, this event has grown into a beloved fixture, drawing approximately 343 finishers in recent years, with about 23% returning annually.
Runners from around 30 states make the journey to this New England gem. The course is USATF-certified and designed for speed, featuring a net drop and significant start/finish separation that hints at a point-to-point design, making it a potential PR course. While the official elevation gain and loss are minimal, the course is noted for its scenic qualities and fun atmosphere.
The race typically takes place in pleasant autumn conditions, with temperatures ranging from 52–68°F, creating an ideal environment for runners aiming for a fast time or simply enjoying the community spirit.
Race-provided description
Clarence DeMar Marathon and Half Marathon in Keene, NH. A scenic and fun race to run in New England.
Course Info
Course Type
Point to Point
Terrain
road
Scenery
Small Town
Surface
Paved
Difficulty
Ultra-Flat
Quality Score
Runner Favorite8312 years running
~332 finishers a year
growing or steady
24% returning runners
USATF certified · 2 timing sources
runners from 21 states
winner 1:12:42
typical high 67°F
Race Day Weather
5-year historical avgStart (Low)
51°
Afternoon (High)
66°
Pleasant conditions — light layers at start, comfortable by finish
0.1"
Precipitation
11 mph
Wind
79%
Humidity
Historical Finish Times
How 3,864 finishers actually crossed the line across 12 years.
Most recent
2026
Total finishers
3,864
Median time
2:06:11
Latest turnout
332
States
47
Turnout by year
2018–2026
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the 2027 Clarence DeMar Marathon?
The 2027 Clarence DeMar Marathon is held on Sunday, September 26, 2027.
Where does the 2027 Clarence DeMar Marathon take place?
It takes place in Keene, New Hampshire.
What distances does the 2027 Clarence DeMar Marathon offer?
The half marathon (13.1 miles).
Is the 2027 Clarence DeMar Marathon course flat and good for a PR?
The 2027 Clarence DeMar Marathon is a ultra-flat, point to point course.
How many people run the 2027 Clarence DeMar Marathon?
HalfRuns has finish records for 3,864 runners who have completed the 2027 Clarence DeMar Marathon.
HalfRuns editorial — independent, no paid placement.
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