The Life Time 305 Half Marathon & 5K, set for Sunday, March 1, 2026, is a vibrant coastal running festival held in Miami Beach, Florida, with both a certified 21.1 km (13.1‑mile) half-marathon and a 5 km (3.1‑mile) 305K on the scenic South Beach waterfront. The fast, flat course begins and ends at Lummus Park on Ocean Drive, crosses the stunning Julia Tuttle and MacArthur Causeways over Biscayne Bay, and offers breathtaking ocean views throughoutThe fast, flat course begins and ends at Lummus Park on Ocean Drive, crosses the stunning Julia Tuttle and MacArthur Causeways over Biscayne Bay, and offers breathtaking ocean views throughout. Race weekend includes early packet pickup, free cafecito at the start, chip timing, and vibrant post-race festivities featuring live DJs, a Pots & Pans celebration, vendor village, and a beer garden at Lummus Park. Both distances attract over 4,000 runners and walkers—and participants can defer entry into the 2027 event if needed—making it a fun, inclusive celebration of Miami's energetic culture and coastal charm.
Races
Half Marathon
3.1 miles
The 305 Half Marathon is a vibrant and fast coastal 21.1 km road race held each spring (typically early March) in Miami Beach, Florida. Formerly known as the 13.1 Miami Beach, the event features a scenic route over the Julia Tuttle and MacArthur Causeways, early-morning chip timing, pacers, on-course entertainment, and a lively beach party finish festival with music, refreshments, and finisher awards.
The 305K at the Life Time 305 Half Marathon & 5K is a certified 3.1-mile coastal road race held each spring in Miami Beach, typically starting at 6:30 AM alongside the half marathon. It offers chip timing, a scenic route through South Beach’s Art Deco District and over waterfront bridges, culminating in a lively finish festival with live music, refreshments, and awards for top finishers.
Weather based on historical averages.
FAQs
What is the 305 Half Marathon?
How long is the 305 Half Marathon?
Where does the 305 Half Marathon take place?
What is the elevation gain of the 305 Half Marathon?
How can I prepare for the 305 Half Marathon?
How do I choose the right training plan for the 305 Half Marathon?
The 305 Half Marathon is a vibrant and fast coastal 21.1 km road race held each spring (typically early March) in Miami Beach, Florida. Formerly known as the 13.1 Miami Beach, the event features a scenic route over the Julia Tuttle and MacArthur Causeways, early-morning chip timing, pacers, on-course entertainment, and a lively beach party finish festival with music, refreshments, and finisher awards.
The 305 Half Marathon is 21km long.
The 305 Half Marathon takes place in Miami Beach, Florida, United States of America.
Runna classifies the 305 Half Marathon elevation profile as Flat.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the 305 Half Marathon?
The 305 Half Marathon is a vibrant and fast coastal 21.1 km road race held each spring (typically early March) in Miami Beach, Florida. Formerly known as the 13.1 Miami Beach, the event features a scenic route over the Julia Tuttle and MacArthur Causeways, early-morning chip timing, pacers, on-course entertainment, and a lively beach party finish festival with music, refreshments, and finisher awards.
How long is the 305 Half Marathon?
The 305 Half Marathon is 21km long.
Where does the 305 Half Marathon take place?
The 305 Half Marathon takes place in Miami Beach, Florida, United States of America.
What is the elevation gain of the 305 Half Marathon?
Runna classifies the 305 Half Marathon elevation profile as Flat.
How can I prepare for the 305 Half Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the 305 Half Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the 305K?
How long is the 305K?
Where does the 305K take place?
What is the elevation gain of the 305K?
How can I prepare for the 305K?
How do I choose the right training plan for the 305K?
The 305K at the Life Time 305 Half Marathon & 5K is a certified 3.1-mile coastal road race held each spring in Miami Beach, typically starting at 6:30 AM alongside the half marathon. It offers chip timing, a scenic route through South Beach’s Art Deco District and over waterfront bridges, culminating in a lively finish festival with live music, refreshments, and awards for top finishers.
The 305K is 5km long.
The 305K takes place in Miami Beach, Florida, United States of America.
Runna classifies the 305K elevation profile as Flat.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the 305K?
The 305K at the Life Time 305 Half Marathon & 5K is a certified 3.1-mile coastal road race held each spring in Miami Beach, typically starting at 6:30 AM alongside the half marathon. It offers chip timing, a scenic route through South Beach’s Art Deco District and over waterfront bridges, culminating in a lively finish festival with live music, refreshments, and awards for top finishers.
How long is the 305K?
The 305K is 5km long.
Where does the 305K take place?
The 305K takes place in Miami Beach, Florida, United States of America.
What is the elevation gain of the 305K?
Runna classifies the 305K elevation profile as Flat.
How can I prepare for the 305K?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the 305K?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Coastal
Major City
Fun Run
Park
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Life Time 305 Half Marathon & 5K or Life Time, Inc. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Life Time 305 Half Marathon & 5K website.
