Sport Specific Training Discussion > 400m Sprinting or Shorter

sprint timer app

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jumperer:
https://www.youtube.com/watch?v=PlaBJQoTDRE

definitely gonna try this out, excited to hit up the track again lol.

maxent:
Pretty dope. I remember i wanted to do something like this but Todday didn't care for my idea of using a flash to trigger. I didnt think of using bluetooth speakers but that's an interesting solution to the problem. I guess you can ping the speaker and get back a time in ms which you can use to estimate the delay, pretty simple, if that's what they're using?

jumperer:
Oh yea, I didn't think about the delay. I'm guessing even at 100 meters there's gonna be a slight delay in sending that Bluetooth signal from phone to speaker

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