How WRC Officials Track Every Tyre Across a Rally Weekend

Why Tyre Checks Matter for Rally Spectators

Following a World Rally Championship round involves watching crews manage strictly limited equipment across days of competition. To prevent teams from gaining an unfair advantage by exceeding allocations or introducing unauthorised rubber, technical delegates log every piece of rubber before a car heads out to the special stages.

For newcomers trying to understand rally logistics, having the core framework of WRC tyre marking explained reveals how scrutineers enforce tyre quotas in real time. Each four-wheel-drive competition tyre from designated supplier Hankook carries a factory-embedded RFID tag vulcanised into its structure, alongside an individual barcode assigned to a specific entry under official oversight.

Where Tyre Inspections Take Place

Inspection stations sit at key transition points along the route, notably at the exits of service parks, tyre fitting zones, and remote service areas. As cars depart for competitive stages, scanners read the barcodes and chips to verify that the fitted rubber matches the competitor's registered list.

One team member per crew is allowed into the exit checkpoint solely to assist scrutineers with the scanning routine. During the pre-rally shakedown, a different setup applies: the scanning point moves inside the technical zone between the time control and the shakedown start line, where team helpers are barred from entering.

Strict Limits Between Service Areas

Rally regulations strictly restrict where crews can handle wheels once they leave a service area. Complete wheels may only be mounted or removed inside official service parks or designated tyre change locations, meaning any spares loaded into the car must travel with the crew until the next approved zone.

Conformity checks can take place anywhere along the route, and manufacturer staff frequently examine wear and gather data at stage stop lines. While non-registered pattern rubber from the official supplier may appear on public liaison transits, running an unregistered tyre on a competitive stage results in a direct referral to the stewards for penalties.

Official reference: https://www.fia.com/system/files/documents/wrc_2026_sr_version_13_january_2026.pdf.