Florida · 18 Hour Fixed-Time
Lost in Miami Ultra
Lost in Miami Ultra is a 18 Hour Fixed-Time event held in Miami, Florida. Its next confirmed date is Saturday, January 9, 2027. About 40 runners take part across all distances.
- Race day
- January 9, 2027
- Location
- Miami, FL
- Field size
- ~40 runners
Race details
- Date
- Saturday, January 9, 2027
- Location
- Miami, Florida
- Distances
- 18 Hour Fixed-Time
- Field size
- About 40 runners
- Course
- No fixed course/route, so no official elevation profile exists — runners choose their own urban path.
- Registration
- ultrasignup.com
- Official website
- runningninjamiami.com
Registration, course & weather
- Registration status
- Open
- Start time
- 6:00 AM EST
- Course profile
- Loop course; Road surface; Not USATF certified
- Typical race-day weather
- about 74°F at the start, 75% humidity, 10 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 27, 2026)
About the Lost in Miami Ultra
Lost in Miami Ultra is an 18-hour fixed-time adventure ultra with no set course: runners chart their own path through Miami to reach a list of required landmarks and back, ranked by total miles covered. Starting and finishing at Hero Martial Arts in Palmetto Bay, the field is capped at 40 and every finisher who's back within the time limit earns a medal.
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Lost in Miami Ultra: common questions
- When is the Lost in Miami Ultra?
- The next confirmed date is Saturday, January 9, 2027.
- Where is the Lost in Miami Ultra held?
- In Miami, Florida.
- What distances does the Lost in Miami Ultra offer?
- 18 Hour Fixed-Time.
- How many people run the Lost in Miami Ultra?
- About 40 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Lost in Miami Ultra?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Lost in Miami Ultra?
- Yes — registration is open.
- What time does the Lost in Miami Ultra start?
- 6:00 AM EST.
- What is the course like at the Lost in Miami Ultra?
- Loop course; Road surface; Not USATF certified.
- What is race-day weather usually like at the Lost in Miami Ultra?
- about 74°F at the start, 75% humidity, 10 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 27, 2026).
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