The UK RC Crawler Association publishes rulesets used throughout the UK.

The UK Scaler Nataionals are the premier event (and the original) and have run a specific set of rules since they started. They are beginner friendly and everyone can join in.

GCRC rules are high performance competitions run at various venues around the UK, usually on a intricate rock course.

RCMCCA rules are a set of rules developed in the States for 1/24th scale crawlers and used around the world. They are overseen by a board of directors. This is the ruleset used by UKRCCA 1/24th and 1/18th competitions around the UK.

Camel Trophy. These rules were developed initially for the FMS FCX24M, but can be adapted for any event.

All rulesets can be used by anyone to run an event or competition series.

Vehicles built to these rules will usually pass technical checking for WRCCA, IRSCC, RCMCCA and SORRCA based competitions around the world with slight modifications.