I made a command-line based speedrunning timer : r/speedrun

30 minutes speedrun timer for speedruns

See how fast you can run a 100m dash with this Arduino timer

1 minute speedrun timer for speedruns

TC Timer System Wireless - ELITE ATHLETE

Premium Photo Measuring the running speed of an athlete using a mechanical stopwatch. hand with a stopwatch on the background of the legs of a runner.

Measuring the Running Speed of an Athlete Using a Mechanical Stopwatch. Hand with a Stopwatch on the Background of the Legs of a Stock Image - Image of chronometer, monitor: 257808953

Speedrunning in Teams! Minecraft Data Pack

SpeedRunIGT - MWP Wiki

Countdown Timer Ultimate Pro - Documentation - Essential Plugin

Variable Timer Functions Galv's RPG Maker Scripts & Plugins