The 2021 305 Half Marathon & 5K is CANCELLED. Event information listed below does not apply.

Formerly 13.1 Miami Beach & 5K, the NEW 305 Half Marathon & 5K provides runners fun, scenic course along Miami and Miami Beach’s beautiful waterways. Once runners cross the finish, the celebration continues on South Beach at the post-race beach party!

305 Half Marathon

The main event of race weekend.
> Everything you need to know for race day 

Choose the Category 3, 4 & 5 Challenge or go all out with the Perfect Storm Challenge. More miles = bigger bling!
> Earn big bling in Florida