InHouse Ultra

Hybrid FitnessLast Person StandingOpen
Saturday, February 20, 2027
St Petersburg, FL, USA
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About the race

The only “backyard ultra” treadmill race in the world. It uses the Last One Standing format indoors, on Woodway treadmills.

Spectators and energetic music run throughout the entire race. The climate is guaranteed at 72 degrees, with a light breeze and minimal humidity.

The race is held against our sister studio, Twenty One Run in Salt Lake City. Entries are limited to 14 athletes in St Petersburg and 19 in Salt Lake City.

Race rules

General rules

  • Each runner uses their assigned treadmill for the duration of the race.
  • The bib must be worn on the runner's back for the duration of the race.
  • To begin each run, treadmills must be set to zero in time and distance (“reset stats”).
  • Treadmill incline must be set to 0%.
  • Nutrition typically used when running is allowed on the treadmills.
  • Towels are provided on the treadmills.
  • Minimum attire is running shoes, shorts, and a top. Crop tops, sports bras, and singlets are allowed.
  • Headphones are allowed while running.
  • The winner is the last person remaining who is able to complete a 5 mile run within 1 hour.

Timing and conduct

  • 3-2-1 rule: announcements are given at 3 minutes, 2 minutes, and 1 minute before the start of each round. Runners must be on the treads in the 59th minute of each hour to avoid a DNF.
  • Runners must complete the 5 mile run without support from others.
  • Walking and bathroom breaks are allowed. To take a break, the runner must keep running on the treadmill until it comes to a complete stop before stepping to the floor.
  • Runners may not go to their stations for aid, support, or any other reason until 5 miles is completed. Doing so is a DNF. Medical or mechanical exceptions are considered case by case.
  • Empty treadmills cannot be used by non-participants.

Penalties and disqualifications

  • Stepping or standing on the side of the treadmill while the tread is in motion.
  • Leaving the treadmill while the treadmill is in motion.
  • Holding onto the handlebars at any time while running.
  • Impeding a runner by touching the speed, incline, or console of another runner's treadmill.
  • Inappropriate attire or attire that distracts other runners.
  • Going to their station before completing the 5 miles is a DNF.

Warnings, penalties, and disqualifications are at the discretion of the race director.

Awards

  • Last One Standing wins.

The course

Last Person Standing

Runners cover 5 miles in 60 minutes on a treadmill. The race is a Last One Standing format, and the winner is the last person remaining who is able to complete a 5 mile run within 1 hour.

Location

City insight: St Petersburg

St. Petersburg is a city in Pinellas County, Florida, on the Pinellas peninsula between Tampa Bay and the Gulf of Mexico, and is locally known as St. Pete. It had 258,308 residents at the 2020 census, making it the fifth-most populous city in Florida. At about 27.8 degrees north, the climate is subtropical with hot, humid summers and mild, dry winters, so winter and early spring are the best seasons to race.

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Feb 20, 2027
InHouse Ultra
From $149
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