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Best Boston Marathon Qualifiers for 2026

Best Boston Marathon Qualifiers

It's here! Our annual list of the year's
best marathons to help you qualify for the Boston Marathon.

2026 IS HERE!



Clarence DeMar Marathon

Keene, NH
Sunday, September 27, 2026


  5 Stars from 4 Reviews

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 with approximately 700 feet of climbing and 1,135 feet of decline.





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Race Information

Race Dates

2026: Sunday, September 27, 2026
2025: Sunday, September 28, 2025

Course Information

Profile: Downhill
Type: Point to Point
Surface: Road/Pavement

Boston Qualifier?: Yes
World Marathon Major Qualifier?: No


Race Day Weather

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





PR Score & Course Score

PR Score: 99.05
Course Score: 99.37


Race Size

2025: 308 Finishers
2024: 372 Finishers
2023: 318 Finishers
2022: 229 Finishers
2021: 265 Finishers
2020: No Results

BQ Percentages

2025: 14.3%
2024: 11.3%
2023: 12.9%
2022: 19.7%
2021: 20%
2020: N/A


Miscellaneous Information

Pace Groups?: No

Weather Averages for Last 15 Years


Race Day Temperatures

High: 70°F  (21°C)
Low: 46°F  (8°C)

Race Start Conditions

51°F  (11°C)
Humidity: 88%

Clear
N 2 mph

PR Score

98.32

Course Score

99.5









Clarence DeMar Marathon Rankings, Course Speed & Boston Qualifier Statistics

The Clarence DeMar Marathon was the 203rd largest marathon in the U.S. in 2025 based on the number of finishers. In 2024, it ranked as the 162nd largest marathon in the U.S..

In 2025, 14.3% of Clarence DeMar Marathon finishers achieved Boston Marathon qualifying times. In 2024, 11.3% of finishers qualified for Boston.

Based on its percentage of Boston Qualifiers (BQs), the Clarence DeMar Marathon ranked 75th among marathons in the U.S. in 2025 and 145th in 2024. In New Hampshire, it ranked 2nd in 2025 and 2nd in 2024. These rankings provide a useful benchmark for runners comparing Boston Marathon qualifying potential across different races.


The Clarence DeMar Marathon has a Course Score of 99.37, ranking it as the 138th fastest marathon course in the U.S. and the 1st fastest marathon course in New Hampshire.

Typical race-time temperature and humidity levels are slightly above the ideal range for optimal marathon performance. Combined with the course profile, this gives the Clarence DeMar Marathon a PR Score of 99.05. The PR Score ranks the Clarence DeMar Marathon as the 154th best marathon in the U.S. for running a Personal Record (PR) and the 1st best marathon for a PR in New Hampshire.

Together, these rankings provide a quick snapshot of how the Clarence DeMar Marathon compares with other marathons in the U.S. and New Hampshire for speed, PR potential, Boston Marathon qualifying success, and overall participation.

Clarence DeMar Marathon Marathon Rankings Summary
Course Speed138th fastest marathon course in the U.S.
Ranked 1st fastest marathon course in New Hampshire
Top 30% Nationally#1 of 5 in New Hampshire
PR Potential154th best marathon for a Personal Record in the U.S.
Ranked 1st best marathon for a PR in New Hampshire
Top 34% Nationally#1 of 5 in New Hampshire
Boston Qualifier Rate75th highest BQ percentage in the U.S.
Ranked 2nd highest BQ percentage in New Hampshire
Based on 2025 Boston Marathon qualifying results
Top 16% Nationally#2 of 5 in New Hampshire
Race Size203rd largest marathon in the U.S.
Ranked 3rd largest marathon in New Hampshire
Based on 2025 results
Top 35% Nationally#3 of 5 in New Hampshire

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




Elevation Chart


Max Elevation: 928 feet (282m)
Min Elevation: 495 feet (150m)

Elevation Gain: 706 feet (215m)
Elevation Loss: 1135 feet (346m)


Clarence

Course updated 06/14/2026





Hotel & VRBO Accommodations for the Clarence DeMar Marathon

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Compare the Clarence DeMar Marathon to other Marathons

Use tools below to compare races and convert times across courses.

Do you want to see how the Clarence DeMar Marathon stacks up against other marathons?

Compare the details of the Clarence DeMar Marathon side-by-side with other marathons with our Comparison Tool.


If you ran the Clarence DeMar Marathon in 3:03:00, what would your time in other marathons be?

See how your finish time would compare on other marathon courses with our Time Conversion Tool.




Race Reviews


5.0
Based on 4 reviews
Write Your Own Review

Hands down my favorite marathon (and I've run a lot!)

Full Review:

I don't even know where to start raving about this marathon. I have run close to 50 marathons, including 21 Boston Marathon finishes, and I can say that this was my favorite and most memorable marathon. What is not to love?
- Clear, regular communication from the race director
- Easy logistics finding nearby lodging/hotels
- Efficient packet pick-up
- Meticulously organized buses to the start, with an indoor waiting area, and 5 minute walk to the start
- Race director gets on every bus as it arrives to welcome runners and give detailed instructions
- Net downhill course- there are plenty of uphills, but the change in use of muscles is welcome vs. a completely downhill course, and what goes up must come (more) down
- Beautiful course at the beginning of the fall foliage season
- The most amazing volunteers and race committee. I have never seen more volunteers, more FRIENDLY volunteers, that stick around for EVERY LAST FINISHER.
- Finish area at Keene State College, with post-race massage, locker rooms and showers (really nice ones!) to change post-race

The race director and organizers have thought of EVERYTHING that a runner needs to have a successful and enjoyable race. Everything. This year's marathon had 404 runners. I was nervous about it being quiet and losing motivation, but the course is beautiful, there are plenty of volunteers and spectators along the way, and the miles flew by. There is a half marathon that runs part of the course with the full, so after about Mile 8, the full does come in and out of the half, but it wasn't a problem with crowding and it was nice to have some sections with more runners.

The race director(s) of both the full and the half announce every runner as they approach the finish line. Cheryl, one of the race committee members, is just before the finish line, dancing and cheering in EVERY SINGLE RUNNER. Every race needs a Cheryl.

Also- the proceeds of the race benefit the local Rotary (which also provides many of the volunteers) and their programs, including one that fits every 2nd grader in the county with running shoes to introduce them to the joy of movement and healthy activity.

Run, do not walk, to sign up for this race.

Race Tips:

First mile is a steep downhill, followed by a pretty significant uphill into Mile 2. The other noticeable uphills are around Mile 13 (longer gradual uphill) and through the cemetery (miles 20-22). Take the uphills EASY to make sure you don't gas yourself so much you can't take advantage of the many downhills. Train on hills, especially downhills so that your downhill form is efficient and doesn't burn out your quads.

Travel/Logistics Tips:

Lots of affordable hotels within a few minutes of campus. Parking is free and plentiful if you are taking the bus to the start, just get there on the earlier side if you want to park in the closest lot to where the buses load. Downtown Keene has a ton of great restaurants- quaint college town with surprisingly good cuisine! The race does a pasta party the night before with a guest speaker (this year it was Bobbi Gibb). We did not go, heard that the speaker and event were great, the food was just standard pasta. We had a really great pizza and sweet potato fries at Fireworks, but there were so many good options in the downtown area.

Beautiful New Hampshire Marathon!

Full Review:

Keene is a sweet little town and beautiful as the leaves are just starting to turn. Pre-race the director sent out many emails explaining all the logistics including bus schedules and packet pickup.

Race Tips:

The course was hilly but mostly downhill. It is easier to get a PR on this course. There's lots of green and some turning leaves as you begin the race. You run through a beautiful park, on country roads, past farms with beautiful horses, a small lake, a stream (river?), and towards the end you even run through a graveyard! It's pretty cool with all the old gravestones. The weather said it was going to rain but it never did. The weather was perfect for running!

Travel/Logistics Tips:

There's a Best Western, Days Inn, Hampton Inn and a couple others all near the college where you pick up your packet and catch the shuttles. There's a great little place downtown that has several restaurants and a couple bakeries.

Recommended

Full Review:

I ran 2021, where Covid regulations were in place.

In general, this race was well ran. Everything from water stations, transportation and people to help along the way was perfect. I was so surprised to see so many people help you through the cemetery (mile 22).

If you are running the full, only thing to be mindful of is the half will intersect with you (multiple times perhaps). Running a 7:40p I seemed to smack into the start of the half marathon which was a shock and all of a sudden, you are running around a sea of people. The same is true after the dam, for the next 3-4 miles. After that it was fine, and that certainly gave you some energy, but also make it hard to keep the flow.

Race Tips:

Be mindful that the first half has a lot of down elevation, makes it easy to run a bit faster. After you get to 14-15 you start to see more people to cheer you on.

Mile 22 is near the cemetery, and there is a lot of support there to help you up the few short hills. Power through that, and you should be in the final stretch.

Travel/Logistics Tips:

I went with my family, and we stayed at the holiday inn express. I was able to wake up early, walk from the hotel to the bus start - with ease.

Full Review:

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