Distance covered above a set speed threshold, a key training-load marker.
High-Speed Running (HSR) is the total distance an athlete covers above a set velocity threshold during a session or match, tracked via GPS or GNSS units in field sports. It captures exposure to high-velocity movement, which is a distinct load stimulus from total distance or overall session intensity.
HSR informs return-to-play and load-progression decisions because hamstring, calf and other soft-tissue injuries are strongly associated with rapid changes in high-speed exposure rather than absolute volume alone. Clinicians use HSR trends to judge whether an athlete has been sufficiently re-exposed to sprint-relevant loads before clearance, and to flag spikes that may raise injury risk in the following days.
HSR is derived from GPS/GNSS or local positioning system data, filtered to distance covered above a chosen speed threshold (commonly expressed in m/s or km/h, and sometimes normalised to individual maximum speed). In practice it is reviewed session-to-session and against rolling averages (e.g. acute-to-chronic workload ratios) alongside sprint distance and high-speed efforts count, and cross-checked with the athlete's individualised sprint-speed profile during rehab.
Thresholds are not standardised across systems, studies or sports, so absolute HSR values are not comparable between datasets or published benchmarks without matching methodology. GPS accuracy also varies with sampling rate, satellite conditions and indoor use, and HSR alone says nothing about mechanical quality of running or deceleration load, so it should be interpreted alongside other external and internal load markers rather than in isolation.
This guide was auto-drafted and is pending editorial review.