I've never seen a skiing scoreboard rank skiers based on how far they made it down the course. A DNF is a DNF. You can simply look at the fact that Kamer is listed as finishing "higher" than Marshall even though Marshall made it to the 2nd timing.
The obvious proof is that if both skiers crashed between the 1st and 2nd timing, to adhere to the rules they quoted, you'd need to somehow precisely measure which one made it further before crashing or going off the course, which would be quite difficult to do. Not to mention, say one skier goes off course after the 2nd timing, and does so 40 seconds in. Another skier falls after the 1st timing but doesn't go off course, so isn't officially "DNF" until she exits the course, and let's say it takes her 2 minutes to leave the course. Technically she was "qualified to play the game longer."
Their customer service seems clueless so just file a complaint with
SBR.