Six thousand athletes on Triathlify last year. Here's how three of them got to their start line — and what the data looked like along the way.
"I tried two coaches and three apps before this. The plan moves when my life moves. That's the whole game."
"It learned my Tuesdays were chaos and stopped scheduling intervals there. That alone was worth it."
"It made me slow down in base. I hated it. Then I PR'd the bike split by 22 minutes."