1/100 Regularity Rally
Open-knowledge reference entry
The 1/100 regularity rally is a typically European format of regularity rally often for classic cars. As with other regularity rallies, the aim is not to be the fastest but rather to stay on the prescribed time across all timed checkpoints. Accordingly, 1/100 regularity rallies carry a negligible risk of damage to the vehicles and participants.
1/100 regularity rallies are generally conducted on open, public roads alongside regular traffic, without the contestants knowing the route in advance. Teams usually take off at fixed intervals, creating a field that is spread along the course. The route is described in a roadbook sign by sign, to be deciphered by the navigator. In addition to having to adhere to the prescribed arrival times to the timed checkpoints, the route is also sprinkled with 1/100 challenges - where the denomination of the rally comes from.
1/100 challenges are special tasks between ordinary stages of the rally, timed to the accuracy of 1/100 second (0.01s). The roadbook will usually include a chart with the layout for each challenge with their prescribed completion times, and competitors would receive penalty points for every 0.01s too early or too late across the finish line.
Characteristics
A typical 1/100 regularity rally may run for a few hours or it may run over a series of stages over a few days.
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