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Miami Backyard Ultra
Key Biscayne, Florida · Saturday, December 19, 2026 · Timed
Official race page & registration ↗Saves stay on this device. Calendar entries use the listed date; confirm your distance and start time with the organizer.
Miami Backyard Ultra takes place on Saturday, December 19, 2026 in Key Biscayne, Florida. The race is run over Timed. For anyone travelling in, Miami is about 6 miles away.
It is one of 256 races on the Florida calendar that December.
- Date
- Saturday, December 19, 2026
- Location
- Key Biscayne, Florida
- Distances
- Timed
- Entry fee
- from $149 across event options; may include kids or shorter events. Check distance-specific prices and fees.
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Correct this listing.
Making a race weekend of it?
Stay near the start line in Key Biscayne: check in Dec 18, out Dec 20.
Common questions
When is Miami Backyard Ultra?
Miami Backyard Ultra is scheduled for Saturday, December 19, 2026.
Where is Miami Backyard Ultra held?
Miami Backyard Ultra is held in Key Biscayne, Florida. It is about 6 miles from Miami.
What distances does Miami Backyard Ultra offer?
The listed distances are Timed.
How much does Miami Backyard Ultra cost?
Listed event options start from $149. This minimum may be for a kids or shorter event. Check the official race page for your distance's current price and any additional fees.
How do I register for Miami Backyard Ultra?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
- Dec 19Jingle Bell Jog Key BiscayneKey Biscayne, FL
- Dec 12Run for Breast Cancer 5K/10K/13.1 MIAMIKey Biscayne, FL
- Dec 26A Merry Christmas Run 5K/10K/13.1 MIAMIKey Biscayne, FL
- Dec 26New Year's Run 5K/10K/13.1 MIAMIKey Biscayne, FL
- Nov 28Coffee Lovers Run 5K/10K/13.1 MIAMIKey Biscayne, FL
See every race on the Florida calendar, all Key Biscayne races, Florida Ultras, or use the Race Finder for maps and filters.