Ash Sutton’s commanding near 20-second victory in race two of the British Touring Car Championship weekend at Oulton Park might, at first glance, appear to be a simple case of one driver possessing superior outright pace. However, the reality was far more nuanced, shaped heavily by the series’ tyre regulations, TOCA Turbo Boost deployment allowances, race circumstances, and even late-race weather. A key factor underpinning Sutton’s advantage lay in the BTCC’s tyre allocation rules.