Online stroke watch
Time
00:00.0
Rate
-
How to use: Hit Start/Stop to begin or pause the timer. At either the catch or the finish, hit 'Stroke'. You don't need the stopwatch running to calcuate rate. No downloads or app required!
If this was helpful to you, check out Virtual Cox. It's an online service for rowing video analysis and athlete tracking. I wrote some more about it here.