- Weather
- 39°Ftypical startModelled estimate
- Field size
- ~600 runners
- Course
- Net downhill
- Elevation
- 50 ft gain · -250 ft net
Event: St. Luke's D&L Marathon
PR9Weather9Experience7
Late September · Northeast · Point-to-Point
Clarence DeMar Marathon
Keene, NH · Sunday, September 27, 2026
Historic fall foliage marathon
- Best for PR
- Boston Qualifier
- Scenic
Opens the race organizer's website
Typical start
55°
Cooler than 17% of U.S. marathons
Modeled historical conditions
Elevation gain
150ft
Flatter than 64% of races
Estimated total climb
Field size
800
Larger than 31% of races
Estimated field
PR potential
9.4/10
Top 11%
Almanac model
Percentiles compare this race against all 224 U.S. marathons in the Almanac.
Course profile
150 ft gain · -500 ft net
Net downhill course, point-to-point.
0510152026.2
Race-day weather
Modeled from location, month and coastal proximity, not verified race history.
6 AM
47°
Start
55°
Midday
66°
ExcellentGoodWarmHeat risk
Typical start sits at 55°F, good conditions.
Typical dew point 48°F, 22% chance of precipitation, wind around 7 mph. All modeled.
The bottom line
This is a course built to give time back.
Clarence DeMar Marathon is a strong choice for a fast time on tired legs, and the route gives back elevation for most of the 26.2 miles. The tradeoff is atmosphere: expect long quiet stretches and few spectators.
Why runners choose this race
A point-to-point course around Keene, NH, that gives back elevation for most of the race.
The case for it
- PR attempts
- Boston qualification
- Runners who care about scenery
- Runners who want a low-key start
The tradeoffs
- You want crowds and on-course energy
Course and logistics
- Course type
- Point-to-Point
- Surface
- Road
- Profile
- Net downhill
- Total gain
- 150 ft(estimated)
- Total loss
- 650 ft(estimated)
- Net elevation
- -500 ft(estimated)
- Field size
- ~800 runners(estimated)
- Crowd support
- Quiet, low-key
- Entry
- Data coming soon
- Start / finish
- Start and finish in different locations
Race details
- Typical timing
- Late September
- Next confirmed date
- Sunday, September 27, 2026
- Region
- Northeast
- Editorial tier
- Featured
- Data last reviewed
- 2026-08-26
- Best for PR
- Boston Qualifier
- Scenic
- Point-to-point
- Net downhill
- Destination race
Similar races
Races with a comparable profile.
- Weather
- 43°Ftypical startModelled estimate
- Field size
- ~800 runners
- Course
- Net downhill
- Elevation
- 100 ft gain · -500 ft net
Event: Full Marathon with Scenic Train Ride
PR10Weather9Experience7
- Weather
- 40°Ftypical startModelled estimate
- Field size
- ~30,000 runners
- Course
- Net downhill
- Elevation
- 800 ft gain · -450 ft net
World Marathon Major; strict BQ entry
PR9Weather9Experience10