March 4, 2018
Do It Like A Local!
Register today for a unique Miami experience.

The Ultimate Miami Experience!

The new 305 Half Marathon & 5K (March 4, 2018) is all about local vibes, attracting visitors from all over the world and those who are fired up to call Miami their home. Once known as the 13.1 Miami Beach & 5K, this ultimate Miami experience is a cultural gem that will have you running like you live here. Count on a fast and coastal course with a fresh and vibrant Miami soul. It’s how we do it in the 305!

Register before prices increase on January 18 at 11:59 PM!

*NEW* for 2018!

  • Cafecitos will be provided on race day!
  • Enhanced DJ sets on-course and at the start and finish lines
  • Frankie Ruiz, a.k.a “Mr. We Run 305” and co-founder of the Miami Marathon & Half Marathon, will be running the 305 Half Marathon!
  • 305 Drive Ignited by Athlinks – a 400-meter speed challenge within the half marathon course starting at mile 3.05

Additional experiential announcements for the 2018 305 Half Marathon & 5K will be released throughout the year until race day. Check back soon for more on how to do it like a local. Pero like, it’s SO MIAMI!

Register, Refer and SCORE!

Share your unique referral link* so your friends can join you. If one or more people sign up using your personal link, you’ll be eligible to earn a S+ sleep tracking system, featuring SleepScore by ResMed technology ($150 value)!

S+ is the world’s first non-contact sleep tracking system that helps you analyze and improve your sleep from the very first night. Earned gifts will be available for pick up during event weekend at the Finish Festival.

*Unique referral link will be sent in your registration confirmation email. 

Give The Gift Of Health & Fitness!

‘Tis the season to give. Treat your family and friends to join you at one of your favorite South Florida races – the 305 Half Marathon & 5K! 


Get In The Loop


The 305 Half Marathon & 5K experience is at the pinnacle of athletic events thanks in part to our wonderful sponsors.

Interested in becoming a sponsor?
For information on sponsorship opportunities, please contact our sponsorship team.