Ascent of The Martian as Onsight by Joel Porgand

An enjoyable outing. Last couple of pitches were a bit of a sting the tail after the pleasant rambling of the rest of the climb - they were also the cleanest & best pitches on the climb, so it wasn't all bad. Pitch lengths listed here seem accurate - pitch 4&5 run together left me pulling against rope stretch to clip into the anchor (using 60m half ropes).