Historical Race Day Weather for the Coastal Delaware Running Festival Marathon

April 12, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 80% Humidity

Wind NE 7 mph Wind

Race day high 59°F 15°C

Race day low 39°F 4°C

PR Score 99.41 Normal score 99.09

Course Score 99.41 Course-only Score

Course-adjusted pacing

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April 13, 2025

Race day snapshot

Overcast

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 80% Humidity

Wind NW 6 mph Wind

Race day high 54°F 12°C

Race day low 42°F 6°C

PR Score 99.41 Normal score 99.09

Course Score 99.41 Course-only Score

April 14, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 60% Humidity

Wind SW 4 mph Wind

Race day high 65°F 18°C

Race day low 43°F 6°C

PR Score 99.19 Normal score 99.09

Course Score 99.41 Course-only Score

April 16, 2023

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 62°F 17°C

Start Humidity 94% Humidity

Wind NNE 2 mph Wind

Race day high 78°F 26°C

Race day low 56°F 13°C

PR Score 94.97 Normal score 99.09

Course Score 99.41 Course-only Score

April 24, 2022

Race day snapshot

Clear

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 91% Humidity

Wind E 2 mph Wind

Race day high 63°F 17°C

Race day low 53°F 12°C

PR Score 98.17 Normal score 99.09

Course Score 99.41 Course-only Score

November 14, 2021

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 41°F 5°C

Start Humidity 75% Humidity

Wind WNW 11 mph Wind

Race day high 52°F 11°C

Race day low 41°F 5°C

PR Score 99.41 Normal score 99.09

Course Score 99.41 Course-only Score

April 14, 2019

Race day snapshot

Foggy

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 96% Humidity

Wind SSE 3 mph Wind

Race day high 66°F 19°C

Race day low 57°F 14°C

PR Score 97.31 Normal score 99.09

Course Score 99.26 Course-only Score

April 22, 2018

Race day snapshot

Clear

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 84% Humidity

Wind NW 1 mph Wind

Race day high 56°F 13°C

Race day low 44°F 7°C

PR Score 99.26 Normal score 99.09

Course Score 99.26 Course-only Score

April 23, 2017

Race day snapshot

Overcast

Start Line Conditions

Start Temp 50°F 10°C

Start Humidity 77% Humidity

Wind NNE 10 mph Wind

Race day high 54°F 12°C

Race day low 50°F 10°C

PR Score 99.26 Normal score 99.09

Course Score 99.26 Course-only Score

April 24, 2016

Race day snapshot

Clear

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 52% Humidity

Wind NE 13 mph Wind

Race day high 61°F 16°C

Race day low 47°F 8°C

PR Score 99.26 Normal score 99.09

Course Score 99.26 Course-only Score

May 3, 2015

Race day snapshot

Clear

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 90% Humidity

Wind SW 6 mph Wind

Race day high 67°F 19°C

Race day low 48°F 9°C

PR Score 98.89 Normal score 99.09

Course Score 99.26 Course-only Score