Rehoboth Seashore Marathon and Half Marathon
Rehoboth Seashore Marathon offers a fast, flat December race on Delaware's coast.
Race Date
Dec 5, 2026
Location
Rehoboth Beach, DE
Quick facts
- Date
- Saturday, December 5, 2026
- Location
- Rehoboth Beach, Delaware
- Distance
- Half marathon (13.1 mi) + 26.2 Miles, 13.1 Miles
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Yes
- Finishers on record
- 20,962
Highlights
Good For
Atmosphere
Course
The Experience
The Rehoboth Seashore Marathon and Half Marathon, first run in 2009, has become a popular December tradition on Delaware's coast. This fast, flat course is designed for personal bests, attracting nearly 1900 finishers in recent years from about 37 states.
Runners enjoy a scenic route, with a significant portion of participants, around 34%, returning year after year, drawn by the well-organized event and the allure of a coastal race. The event offers both full and half marathon distances, making it accessible for a wide range of runners.
Finishing this certified course means earning a well-deserved medal and enjoying the festive atmosphere of Rehoboth Beach in the winter. It's a destination race that combines competitive running with the charm of a seaside town.
Race-provided description
Fast, flat scenic course. Full marathon and Half Marathon. Another way to run with us: Rehoboth Seashore Virtual Marathon & Rehoboth Seashore Virtual Half Marathon. Even though our race is going off live, you can choose to run virtually with us anywhere in the world.
Logistics
Race Day
Saturday, December 5, 2026
Start Time
7:00 AM
Giveaway
T-Shirt
Start Location
301 Rehoboth ave unit e, Rehoboth Beach, DE, 19971
Course Info
USATF CertifiedCourse Type
Loop Course
Terrain
road
Scenery
Coastal
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
-0.09 m
Separation
3.9%
Also Offers
USATF Certified Course
DE24006JHP · Rehoboth Half Marathon 2024 (31% Unpaved)
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Course Map
2 other maps for this race
Quality Score
Runner Favorite9516 years running
~1,860 finishers a year
growing or steady
34% returning runners
USATF certified · 5 timing sources · 6 photos
runners from 37 states
winner 1:08:33
typical high 50°F
Race Day Weather
5-year historical avgStart (Low)
38°
Afternoon (High)
50°
Cool conditions — dress in layers, perfect for fast times
0.1"
Precipitation
14 mph
Wind
70%
Humidity
Historical Finish Times
How 20,962 finishers actually crossed the line across 16 years.
Most recent
2025
Total finishers
20,962
Median time
2:09:38
Latest turnout
1,865
States
48
Turnout by year
2017–2025
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Rehoboth Seashore Marathon and Half Marathon?
The Rehoboth Seashore Marathon and Half Marathon is held on Saturday, December 5, 2026, starting at 7:00 AM.
Where does the Rehoboth Seashore Marathon and Half Marathon take place?
It takes place in Rehoboth Beach, Delaware.
What distances does the Rehoboth Seashore Marathon and Half Marathon offer?
The half marathon (13.1 miles), plus 26.2 Miles, 13.1 Miles.
Is the Rehoboth Seashore Marathon and Half Marathon course flat and good for a PR?
The Rehoboth Seashore Marathon and Half Marathon is a ultra-flat, loop course course. The course is USATF-certified, so finish times can be used for qualifying.
How many people run the Rehoboth Seashore Marathon and Half Marathon?
HalfRuns has finish records for 20,962 runners who have completed the Rehoboth Seashore Marathon and Half Marathon.
HalfRuns editorial — independent, no paid placement.
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