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The roxzone: the minutes nobody trains for

Between every run and every station, the clock keeps running. Here's why the roxzone deserves a line in your plan, and how to cut it.

Updated Thursday, September 24, 2026

The roxzone is the transition area: you cross it leaving each run to reach your station, then leaving the station to run again. Sixteen passes in a race.

Why it matters

In the official races in our database with full splits, the roxzone is a measured share of total time. The calculator shows it separately, so you don't discover it on race day.

Where the time goes

  • Entering stations: finding your lane, waiting for a free machine.
  • Leaving them: walking to catch your breath before running again.
  • At the sleds: getting into position, adjusting your grip.

How to cut it

  1. Learn the venue layout before your start: entries, exits, where each station sits.
  2. Jog through the roxzone, even slowly. Walking quickly costs seconds on every pass.
  3. Set up the station on arrival: you already know your lane and how you'll start.
  4. Train the transitions: link runs and stations in training, with no break in between.

The calculator spreads your roxzone across the 16 passes. If you cut it in training, lower your target time: the rest of the plan follows.