Posted by George Green on January 31, 2020, 7:11 pm
The big picture at the top of this board and the main site will take you to my page for sprint timer. With a pair of $26 Walkies Talkies and a $5/Subscription to Sprint Timer you can time all your meets and workouts to 1/100 of a second.
http://sdtrackmag.com/SprintTimer/index.htm
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