InHouse Ultra

InHouse Ultra

InHouse Ultra is a Last One Standing indoor treadmill race held in St Petersburg, FL on February 20, 2027 at 2232 2nd Ave S. The event uses a backyard ultra format run on Woodway treadmills, with rounds composed of 5 miles to be completed in 60 minutes. The last runner able to complete a full 5 mile loop within the hour is the winner.

The venue is climate controlled at about 72 degrees with a light breeze and minimal humidity. The event includes spectators and continuous music, and is live streamed on YouTube by Pacer Travel. The St Petersburg field is limited to 14 athletes and competitors are paired in a companion event with Twenty One Run in Salt Lake City, which is limited to 19 athletes.

Race rules require each athlete to use an assigned treadmill for the whole event, wear a bib on the back, reset treadmill stats to zero before each round, and keep the treadmill incline at 0%. Headphones are allowed, towels are provided, and typical running nutrition may be used on the treadmills. Runners must remain on the treadmill in the 59th minute of each hour to avoid a DNF, may take walking or bathroom breaks only when the treadmill has come to a complete stop, and may not return to their station before completing the 5 miles. Penalties and disqualifications such as leaving a moving treadmill, holding the handlebars while running, or impeding another runner are enforced at the director's discretion. Visit the organization's website for the most recent information.

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