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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.

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Coastal Delaware Running Festival Marathon

Rehoboth Beach, DE
Sunday, April 11, 2027


  5 Stars from 5 Reviews

Course Description
The 26.2 mile Boston Marathon Qualifying Run starting on the iconic Rehoboth Beach Boardwalk, then though beautiful neighborhoods of Rehoboth and up to Delaware Seashore State Parks' Gordons Pond Wild Life Area into Cape Henlopen State Park site of the historic Fort Miles then into historic Lewes, DE and the new Rail Trail, back via the Junction & Breakwater Trail and thru the quaint seashore residential area of Rehoboth. Finishing back on the Rehoboth Beach Boardwalk at Rehoboth Ave.

April Other Marathons in April Other Marathons in Delaware Marathons near Rehoboth Beach, DE



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Race Information

Race Dates

2027: Sunday, April 11, 2027
2026: Sunday, April 12, 2026

Course Information

Profile: Mostly Flat
Type: Loop
Surface: Road/Pavement

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

Race Day Weather

Mean Temp.: 56°F (13°C)
Average High: 67°F (19°C)
Average Low: 46° F (7°C)




PR Score & Course Score

PR Score: 99.09
Course Score: 99.41

Race Size

2026: 747 Finishers
2025: 776 Finishers
2024: 699 Finishers
2023: 634 Finishers
2022: 434 Finishers
2021: 621 Finishers

BQ Percentages

2026: 8.6%
2025: 8.9%
2024: 9.6%
2023: 6.9%
2022: 11.1%
2021: 13.2%

Miscellaneous Information

Pace Groups?: Yes

Weather Averages for Last 11 Years


Race Day Temperatures

High: 61°F  (16°C)
Low: 47°F  (8°C)

Race Start Conditions

51°F  (11°C)
Humidity: 80%

Clear
NE 6 mph

PR Score

98.59

Course Score

99.34






Coastal Delaware Running Festival Marathon Rankings, Course Speed & Boston Qualifier Statistics

The Coastal Delaware Running Festival Marathon was the 108th largest marathon in the U.S. in 2025 based on the number of finishers. In 2024, it ranked as the 108th largest marathon in the U.S..

In 2026, 8.6% of Coastal Delaware Running Festival Marathon finishers have achieved Boston Marathon qualifying times. In 2025, 8.9% of finishers qualified for the Boston Marathon.

Based on its percentage of Boston Qualifiers (BQs), the Coastal Delaware Running Festival Marathon ranked 159th among marathons in the U.S. in 2025 and currently ranks 84th so far in 2026. In Delaware, it ranked 2nd in 2025 and 1st so far in 2026. These rankings provide a useful benchmark for comparing the Coastal Delaware Running Festival Marathon with other Boston Marathon qualifying races.

The Coastal Delaware Running Festival Marathon has a Course Score of 99.41, ranking it as the 130th fastest marathon course in the U.S. and the 2nd fastest marathon course in Delaware.

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 Coastal Delaware Running Festival Marathon a PR Score of 99.09. The PR Score ranks the Coastal Delaware Running Festival Marathon as the 149th best marathon in the U.S. for running a Personal Record (PR) and the 2nd best marathon for a PR in Delaware.

Together, these rankings provide a quick snapshot of how the Coastal Delaware Running Festival Marathon compares with other marathons in the U.S. and Delaware for speed, PR potential, Boston Marathon qualifying success, and overall participation.

Coastal Delaware Running Festival Marathon Marathon Rankings Summary
Course Speed130th fastest marathon course in the U.S.
Ranked 2nd fastest marathon course in Delaware
Top 29% Nationally#2 of 3 in Delaware
PR Potential149th best marathon for a Personal Record in the U.S.
Ranked 2nd best marathon for a PR in Delaware
Top 33% Nationally#2 of 3 in Delaware
Boston Qualifier Rate159th highest BQ percentage in the U.S.
Ranked 2nd highest BQ percentage in Delaware
Based on 2025 Boston Marathon qualifying results
Top 34% Nationally#2 of 3 in Delaware
Race Size108th largest marathon in the U.S.
Ranked 2nd largest marathon in Delaware
Based on 2025 results
Top 19% Nationally#2 of 3 in Delaware

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



Elevation Chart


Max Elevation: 47 feet (14m)
Min Elevation: 1 feet (0m)

Elevation Gain: 272 feet (82m)
Elevation Loss: 272 feet (82m)


Coastal

Course updated 02/25/2025




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Compare the Coastal Delaware Running Festival Marathon to other Marathons

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Do you want to see how the Coastal Delaware Running Festival Marathon stacks up against other marathons?

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Comparison Tool

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Race Reviews


5.0
Based on 5 reviews
Write Your Own Review

Flat and beautiful views!

Full Review:

I loved the beautiful and flat course. The scenery varied from the beach boardwalk, to lovely quiet neighborhoods, to state park marshes and ponds and woods. There was plenty of on-course support with water stations and bathrooms.

Travel/Logistics Tips:

Free and plentiful parking close to the race start for runners and spectators. Many spots for spectators to see runners multiple times. Lots of nearby restaurants to eat at.
Reviewed by JH About 2026

Scenic, low-stress, fast

Full Review:

This review is about the 2021 race, which was held in November instead of the typical April, due to COVID-19. I hadn't participated in this race in other years, so I can't say what, other than weather, might have been different.

The course was fast and varied. It goes along the coast, through the park, residential areas, through some commercial areas, and back to the boardwalk. I found the variety of scenery helped keep things interesting. For those who don't like running on the boardwalk, it actually isn't on it for very long, so it's not a big deal.

All the volunteers were great. Aid stations were stocked and organized. It's definitely a small race, and most of the time there weren't any cheering crowds. Course was well marked. If you aren't looking for huge crowds and enjoy running in a non-urban course, this race fits the bill.

Race Tips:

During certain stretches of the course which were near or through the tall trees, my GPS watch was not giving me reliable paces. It was suggesting I was moving slowly, so I switched to running by feel around the wooded areas.

Travel/Logistics Tips:

The logistics were amazingly easy, because it's a small race. Free parking was available very close to the start/finish area. Plenty of restrooms were available. For 2021, there was no bag check available, but if you can park nearby, that's an even better place to stash your stuff. I think it was a huge benefit that the marathon distance started 30 minutes before the half marathon. Not only did that mean a better parking spot, but there was never any congestion from the HM runners. The HM course diverges from the marathon course, so you won't even see the HMers except for the few stragglers at the very end.
Reviewed by GC About 2021

Full Review:

Flat and beautiful course. Nice variety of surfaces including pavement, boardwalk, and crushed gravel trail. Water stops were plenty and spaced well with excellent volunteers. Not a whole lot of crowd support throughout the path, but the spectators who were there were great. Awesome party on the water at the finish. Simple and well-organized expo made for a speedy and hassle free packet pickup. This is a great race for anyone to run their first full, or if you're looking for a PR.

Race Tips:

Its a flat course, so an even or negative paced race is doable. Weather in 2017 was absolutely perfect--mid 50's, mostly cloudy and a light breeze.

Travel/Logistics Tips:

Tons of hotels within a 10 minute drive of the start for a little cheaper than the host hotel, but in hindsight it would have been worth the extra $20-30 to stay at the partner hotel just to make things a bit easier. It isn't a huge are so you only have one or two corrals, but give yourself plenty of time to use the porta potties as with the full, the half, and the 9k all starting within an hour of each other the lines get pretty long. Shuttle busses are available to take you from the host hotel/finish line to the starting line about a mile down the road, or back to the starting line at the end if you choose to park by the start. You can also walk or run to the start as a warm up--just give yourself plenty of time either way. Plenty of parking in Dewey too.
Reviewed by JH About 2017

Full Review:

Flat fast course. Loop course. 25% crushed gravel path.
Reviewed by Anonymous About 2017

Full Review:

Small field and gorgeous views. After party was great.

Race Tips:

Shuttle to race was easy. Very well organized race.

Travel/Logistics Tips:

There are plenty of hotels to select from.
Reviewed by SH About 2017