Running
Marathon
42.2 km
Start: Sep 30, 11:00 AM
Clarence DeMar Marathon
Loading map…
Road runs in United States, Keene
Distances
Running
Super Seniors
42.2 km
Start: 12:00 PM
Running
Super Seniors
26.2 km
Running
Half Marathon
21.1 km
Running
Half Marathon
13.1 km
Start: 12:00 PM
Running
Kids Marathon
4.2 km
Start: 12:30 PM
0.00 EUR
Running
DeMar Kids Marathon
1.2 km
About
A New England fall marathon and half marathon in Keene, NH, held each September with a scenic, challenging USATF-certified course and Boston Qualifier options.
Catering & aid stations
Pre-race pasta dinner the night before; multiple staffed water stations (~every 1.5 miles) and portapotties (~every 6 miles) on course.
Pacers
Pacemakers/Pacers are announced for both the Full Marathon and Half Marathon at the Renntag schedule; target start times per wave are listed in the race-weekend schedule (Full at 7:00 a.m., Half at 8:00 a.m., Super Seniors 8:00 a.m., Kids 8:30 a.m.). Pacers group runners by target finish times to support safe, steady pacing.
Results
View official resultsSurface mix
- 100% asphalt
Typical weather in Keene
Monthly averages based on historical data (2000–present).
Jan32°15°
↑ 07:18
↓ 16:39
Feb35°17°
↑ 06:48
↓ 17:20
Mar44°25°
↑ 07:01
↓ 18:56
Apr56°37°
↑ 06:07
↓ 19:32
May67°48°
↑ 05:26
↓ 20:06
Jun76°58°
↑ 05:10
↓ 20:31
Jul82°63°
↑ 05:25
↓ 20:27
Aug80°62°
↑ 05:56
↓ 19:52
Sep73°55°
↑ 06:30
↓ 19:00
Oct60°44°
↑ 07:04
↓ 18:07
Nov47°33°
↑ 06:43
↓ 16:27
Dec37°23°
↑ 07:14
↓ 16:16
Route maps
What's included in entry
- Race shirt
- Finisher medal
- Pre-race pasta dinner
- Water and aid stations
- Timing and results
Prices & signup
- Kids Marathon0.00 EUR
FAQ
When does registration open and close?
Online registration for the 2026 race opens when the ball drops on 1/1/26 and closes on Thursday, 9/26/26 (or early if the field fills).
What are the price tiers before race day?
Full Marathon: $110 by 8/23/26, $120 by 9/13/26, $130 after that and on race day. Half Marathon: $80 by 8/23/26, $90 by 9/13/26, $100 after that and on race day.
Is there a course map?
Yes, turn-by-turn directions and downloadable maps (GPX/KML and PDFs) are available on the race descriptions page.
What age do I need to be for each distance?
Full Marathon: at least 16 on race day. Half Marathon: at least 14. Super Seniors: 70+. Kids Marathon: grades K–6.
What is the time limit for the Full Marathon?
7 hours from the 7:00 a.m. start; all course support ends at 2:00 p.m.
Do I get a shirt?
Every online registrant receives a race shirt; choose your size early to ensure availability.
Are there parking and shuttles?
Yes. Shuttles run from Keene State College lots to Gilsum (Full start) and Surry Mountain Beach (Half start) on race morning; parking maps are provided.
Last updated: Jun 6, 2026, 12:20:39 AM
Get RaceAlerts
We'll email you when races match your filters. No spam — only what fits your goals.
Related runs
On your marks
Loading race details…