This is achieved with the input of the action button to cancel out of the spindash animation after releasing to spindash and then proceeding to hold it again to initiate another (in short, assuming action button is B, hold B > release B > tap B > hold B > release B > tap B etc.). Spindashes however decelerate rapidily and leaves you going slower than Sonic's running speed if left uninterrupted, so chaining spindashes together prevents this from happening. The following are minor optimisations and notes on mechanics that should be applied throughout the course of the speedrun where necessary:ДЄs a rule of thumb you should always be aiming to spindash as the initial speed is considerably faster than running. Additionally, segments that would normally be bypassed as a result of achieving major time saves will be discussed to aid those who are unable to execute the aforementioned skips. Each segment will have a fundamental overview of the intended accomplishments within that segment followed by an explanation into major time saves and minor optimisations you can attempt. With the exception of Knuckles' stages, each stage will be broken down and discussed in segments separated by 'checks' (short for checkpoints). Although an universal in-game timer exists in the Emblem List, adding the times yourself provides definite accuracy for IGTs. Traditionally Sonic games have been timed through their in-game timers and as such an accumulation of the individual level times in your speedrun can equate towards an in-game time (IGT) for that run.

Real-time attacks (RTA) are timed from the selection of Hero Story in the main menu to the final hit on Shadow 2. The 16 stages are broken down into 6 action stages (Sonic), 4 mech stages (Tails), 5 hunting stages (Knuckles) and one driving stage involving Tails.

The Hero Story speedrun category of Sonic Adventure 2 entails completing all 16 stages and defeating all 8 bosses that embody Sonic, Tails and Knuckles' storyline prior to the Last Story.

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