Ran my first full marathon in the Crimson colorway yesterday. PR going into the event was 2:51:24 (December 2016 event). I put in 35 mpw since October 3rd going into this event. Ran a very nice 2:47:00 Personal Best yesterday. The shoes are legit and the best I've ever run in. This was marathon #13 for me and I'm so looking forward to Boston #5. I train 100% in the Zoom Fly and now my go to marathon shoe is the Vaporfly.