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ploum @ploum
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Will compare the @garmin@twitter.com HRM tri for running and biking against the @wahoofitness@twitter.com TICKR.

I'm also tempted to test it while freediving to 30-40m. Would be nice to have HR data for freediving sessions.

It remains to be seen if 5ATM waterproofing is enough...

Should I risk it?