Running
Half Marathon
21.1 km
10th Annual Ten Sisters Race Series
Loading map…
Road runs in United States, Dewey Beach
Distances
Running
10k
10 km
Running
5k
5 km
Start: May 30, 12:30 PM
Running
1 Mile
1.6 km
Start: May 30, 12:45 PM
Running
1 Mile
1.6 km
Running
1/2 Mile
0.8 km
About
The Ten Sisters Race Series brings the community together for a fun, family-friendly running event in Dewey Beach, Delaware. Choose your distance and enjoy a well-organized race with scenic coastal views.
Surface mix
- 100% asphalt
Typical weather in Dewey Beach
Monthly averages based on historical data (2000–present).
Jan43°32°
↑ 07:18
↓ 17:03
Feb46°33°
↑ 06:53
↓ 17:38
Mar53°39°
↑ 07:12
↓ 19:08
Apr62°48°
↑ 06:24
↓ 19:38
May70°57°
↑ 05:49
↓ 20:06
Jun79°67°
↑ 05:36
↓ 20:28
Jul83°72°
↑ 05:49
↓ 20:25
Aug82°71°
↑ 06:16
↓ 19:56
Sep76°66°
↑ 06:43
↓ 19:10
Oct67°56°
↑ 07:11
↓ 18:23
Nov57°46°
↑ 06:44
↓ 16:48
Dec49°37°
↑ 07:12
↓ 16:41
Last updated: Jun 6, 2026, 12:29:28 AM
Get RaceAlerts
We'll email you when races match your filters. No spam — only what fits your goals.
Related runs
On your marks
Loading race details…