Race planning

Plan Miami Backyard Ultra

Use the listed edition as your starting point. Each tool keeps imported race facts separate from the targets and assumptions you choose.

Listed edition: Dec 19, 2026
Format: Backyard Ultra
Distance: 6.7056 km (4.167 mi) every hour
Local start time: 8:00 AM EST, Saturday, December 19, 2026
Duration / cutoff: Each 6.7056 km yard must be finished in under an hour, and every active runner must be inside the corral at the bell, with warnings at 3, 2 and 1 minutes. No late starts or skipped yards. There is no yard cap, distance cap or preset finish. The winner must complete one more yard than everyone else; if nobody does, there is no winner.
Crew and pacers: Crew may help only between yards, in the designated support area. No pacers, crew, spectators or eliminated runners may accompany a runner on course, and trekking poles are banned. Runners may leave the course during a yard only to use a restroom.
Drop bags: Check the current race rules

Recorded facts reviewed Oct 20, 2026. Check the organizer’s latest rules. Calendar downloads use all-day dates and do not set a starting alarm.

Pace & duration

Choose a distance target. Choose a planning duration; this race has no single recorded time limit to import.

Start with the matching format checklist. Add the organizer’s mandatory gear.

Bring across the race name. Add confirmed access points, distances and your own arrival estimates.

Planning hourly yards? Use the backyard calculator for loop pace and time between starts.