Running
5K Run
5 km
Boston Costume Dash
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Road runs in United States, Boston
Distances
About
Join us for the Boston Costume Dash, a fun and festive running event where participants are encouraged to dress up in their favorite costumes. This unique race celebrates creativity and fitness with prizes for the best costumes.
Catering & aid stations
Refreshments will be available at the start and finish lines.
Pacers
Pace groups will be available for participants looking to achieve specific time goals. Experienced pacers will guide runners at the event.
Results
View official resultsTypical weather in Boston
Monthly averages based on historical data (2000–present).
Jan35°20°
↑ 07:12
↓ 16:36
Feb38°21°
↑ 06:43
↓ 17:16
Mar46°29°
↑ 06:56
↓ 18:51
Apr56°39°
↑ 06:03
↓ 19:26
May67°49°
↑ 05:23
↓ 20:00
Jun76°59°
↑ 05:08
↓ 20:24
Jul82°66°
↑ 05:22
↓ 20:20
Aug81°65°
↑ 05:53
↓ 19:46
Sep73°58°
↑ 06:25
↓ 18:55
Oct62°48°
↑ 06:58
↓ 18:03
Nov51°37°
↑ 06:36
↓ 16:23
Dec41°27°
↑ 07:08
↓ 16:13
Last updated: Jun 5, 2026, 07:53:23 PM
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