Endurance Grid lists 22 races in Wilmington, Delaware, from September 2026 to April 2027.
The race calendar
The Wilmington race calendar is busiest in November, September, and October. It covers a range of endurance sports — you'll find races in Running and Trail Running — so there's usually a race near you. Distances span a wide range across those sports; you'll see 5K, 1 Mile, 15K, 2 Mile / 3K, and 8K / 5 Mile, along with other popular distances.
Weather on race day varies by time of year, so it lives where it’s accurate — each race page shows that race’s typical high, low, and rain chance from NOAA climate normals for its venue and date.
City Elevation
74 ft
Nearest Airport
PHL
Philadelphia International Airport
Time Zone
Eastern Time
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