Nothing tests a protagonist's resolve quite like a chase sequence where the margins of error are razor-thin. In action writing, speed is useless without a clear sense of spatial stakes and mounting panic. A great pursuit is a game of high-stakes chess played at two hundred miles per hour.
Mapping the Tactical Space
Before the first acceleration, the geography of the escape must be clear to the reader. Whether it is a claustrophobic subterranean tunnel system or a crowded elevated train station, the environment must offer both obstacles and opportunities. If the reader does not understand the layout, they cannot feel the dread of a closing trap.
Escalating the Mechanical Threat
Tension must rise with every passing second of the pursuit. This is achieved by systematically stripping away the protagonist's advantages, such as a failing engine, a blocked exit, or a wound that slows their reaction time. The escape should never feel easy; it must feel like a miracle pulled from the jaws of absolute disaster.