I always see these guys in the pool at lap swim that "time" their swims with a watch. I'm not sure why when there's a huge pace clock hanging on the wall.
perhaps they are nearsighted.
I always see these guys in the pool at lap swim that "time" their swims with a watch. I'm not sure why when there's a huge pace clock hanging on the wall.
perhaps they are nearsighted.
910XT: Swim metrics - YouTube
And what is your impression?
