All marathons

Early December · Southeast · Out-and-Back

Rehoboth Seashore Marathon and Half Marathon

Rehoboth Beach, DE · Saturday, December 5, 2026

Event: Rehoboth Seashore Marathon

  • Best for PR
  • Boston Qualifier
  • First Marathon

Registration opens on the organizer's site

Typical start

35°

Cooler than 96% of U.S. marathons

Modeled historical conditions

Elevation gain

80ft

Flatter than 87% of races

Estimated total climb

Field size

2.2K

Larger than 79% of races

Estimated field

PR potential

9.2/10

Ahead of 69% of races

Almanac model

Percentiles compare this race against all 224 U.S. marathons in the Almanac.

Course profile

80 ft gain · 0 ft net

Flat course, out-and-back.

0510152026.2
Schematic profile drawn from total gain, total loss and course category, on a shared vertical scale of 200 ft. Not a surveyed GPS trace.

Race-day weather

Modeled from location, month and coastal proximity, not verified race history.

6 AM

27°

Start

35°

Midday

46°

ExcellentGoodWarmHeat risk

Typical start sits at 35°F, good conditions.

Typical dew point 28°F, 22% chance of precipitation, wind around 7 mph. All modeled.

The bottom line

A quietly fast race that does not ask for much beyond honest pacing.

Rehoboth Seashore Marathon and Half Marathon is a strong choice for a PR attempt, and Rehoboth Beach offers very little meaningful elevation. The tradeoff is that nothing about it is extreme in either direction.

Why runners choose this race

A out-and-back course around Rehoboth Beach, DE, with very little meaningful elevation change.

The case for it

  • PR attempts
  • Boston qualification
  • First-time marathoners

The tradeoffs

  • No notable warnings in the data.

Course and logistics

Course type
Out-and-Back
Surface
Road
Profile
Flat
Total gain
80 ft(estimated)
Total loss
80 ft(estimated)
Net elevation
0 ft(estimated)
Field size
~2,200 runners(estimated)
Crowd support
Pockets of spectators
Entry
Moderate
Entry fee
$110(most recent listed price)
Day of week
Saturday
Start / finish
Start and finish in the same area

Race details

Typical timing
Early December
Next confirmed date
Saturday, December 5, 2026
Registration
Open now
Region
Southeast
Editorial tier
Recommended
Data last reviewed
2026-08-26
  • Best for PR
  • Boston Qualifier
  • First Marathon
  • Out-and-back
  • Flat course

Similar races

Races with a comparable profile.

Early November · Southeast

Savannah Rock 'n' Roll / River Street Marathon

Savannah, GA

Weather
55°Ftypical startModelled estimate
Field size
~1,500 runners
Course
Flat
Elevation
150 ft gain

Historic squares draped in Spanish moss

PR9Weather9Experience7

Late November · Southeast

Stennis Space Center Marathon | Half Marathon | 5K

Stennis Space Center, MS

Weather
58°Ftypical startModelled estimate
Field size
~400 runners
Course
Flat
Elevation
40 ft gain · 0 ft net

Event: Marathon Runners

PR9Weather8Experience6