Seawitch Half Marathon Classic

Lewes, DE, USA · October 24, 2026
partly-cloudy-day60°·62° high·Breezy·Dry
7
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Race Day Weather

partly-cloudy-day
60°at start
63° high
Breezy
Dry

Comfortable temps, moderate wind

Mild 60°F temps at gun time mean comfortable early miles without overheating risk. Moderate winds around 15mph may affect pacing on open sections of the course. Moderate humidity at 71% is worth noting for effort level, especially in later miles.

Race day forecast available in 23 days
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Distance: 13.1mi
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Race Plan

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True Effort pacing, weather-adjusted mile splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.

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Race Info

The Seawitch Half Marathon Classic is a fall half marathon in Lewes, Delaware, held during the Seawitch Racing Festival Weekend. The out-and-back course runs through Cape Henlopen State Park starting and finishing at the Main Beach bathhouse. The race is organized by the Seashore Striders, a Delaware running club founded in 1988, and benefits local charities along with Toys for Tots. The 2026 edition marks the sixth year of the half marathon, first held in 2021.

FAQ

When is the 2026 Seawitch Half Marathon Classic?

The 2026 Seawitch Half Marathon Classic will be held on Saturday October 24, 2026.

What will the weather be like for the 2026 Seawitch Half Marathon Classic?

The forecast calls for a high of 64°F and a low of 58°F with a 9% chance of rain.

What is the elevation profile of the Seawitch Half Marathon Classic?

The Seawitch Half Marathon Classic has 545ft of total elevation gain. View the interactive course map above for a detailed elevation profile.

Historical Weather

Based on 5 years of data
Avg Temp
59°F
L:51° H:65°
RunScore
7
Conditions
Rain Freq
0%
0 of 5 yrs
Wind8mph
Dew46°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
43°/58°-
9
2024
clear-day
44°/58°-
10
2023
clear-day
62°/80°-
4
2022
cloudy
53°/60°-
8
2021
clear-day
55°/68°-
6