Introduction

The sport is based on riders attempting to maintain an exact schedule, regardless of the difficult terrain and conditions they may encounter. Checkpoints, where crews will mark the time of each rider arrival, are located along the course. After the race, the score of each rider is calculated. Penalty points are awarded for degree of deviation from a perfect schedule. The riders with the lowest number of penalty points are awarded trophies in their respective classes.

Definitions

Checkpoints

Checkpoints are located along the course where crews will mark the minute, and seconds if an Emergency check, that a rider enters the check. The Key Time and the Mileage for that check should be posted near the flags. The Mileage accuracy for the check location must be within 1 tenth of a mile, while the clocks used at the check must be within 10 seconds of the master Key Clock. The color of the flags used to mark each check are shown in parenthesis.

Secret – (Red & White) An unknown, timed checkpoint.

Emergency – (Green & White) Same as a Secret check, except the minutes and seconds are recorded.

Known Control – (Yellow) A timed checkpoint whose location is known to all participants.

Observation – (White) An unknown, un-timed checkpoint where no time penalty is recorded.

After the race, penalty points are computed based on the rider’s variance from a perfect schedule.

All checks -

Secret -

Emergency -

Known -

To ease course layout and scoring, timed checks can only be located where a whole tenth of a mile falls on a whole minute. Below is the time and distance between possible checkpoints at each speed average from 1 to 99 MPH.