so far down the eiger.ski off a cliff, and then free fall the rest of the way, all in one long, non-stop, breathtaking ride. >> holmes: three sports, one run. and they're my three favorite sports, so... >> cooper: these are the three things you love? >> holmes: yeah. these are three of the things that i love. >> cooper: j.t. needs perfect conditions for this dangerous descent, and so far, he hasn't been lucky. weather on the eiger is unpredictable. fierce winds whip the slopes and change direction dramatically. j.t. checks the eiger every day to see if he can finally head to the summit. the past two years, he's had to cancel plans because wind blew the snow off the top of the mountain. today, the conditions are not right? >> holmes: well, yeah, today you can't even see the top of the eiger. so, first of all, you couldn't land a helicopter up there. >> cooper: how long have you been planning this? >> holmes: you know, the first kind of thoughts of it were upwards of six years ago, but really focused on it fo