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Rehoboth Seashore Marathon and Half Marathon

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

Runner Favorite95

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

PR FriendlyDestination Worthy

Atmosphere

Spectator SupportWell OrganizedGreat Medal

Course

Fast Flat

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

Directions

Course Info

USATF Certified

Course Type

Loop Course

Terrain

road

Scenery

Coastal

Surface

Paved

Difficulty

Ultra-Flat

Net Drop/km

-0.09 m

Separation

3.9%

Also Offers

26.2 Miles13.1 Miles

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 Favorite95
Methodology
Heritage20/20

16 years running

Size15/15

~1,860 finishers a year

Momentum5/5

growing or steady

Loyalty20/20

34% returning runners

Course & details13/15

USATF certified · 5 timing sources · 6 photos

National draw9/10

runners from 37 states

Front-pack speed5/5

winner 1:08:33

Weather8/10

typical high 50°F

Race Day Weather

5-year historical avg

Start (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

10%
25%
75%
90%
1:05p50 median ≈ 2:056:25

Turnout by year

20172025

'17'18'19'21'22'23'24'25
See full results

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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