A few pics on Strava. Gabe started with Trevor Fuchs, but seems to have finished ahead. Since the 2 were together at least part of the time, we classify this as "paced", and therefore supported. Otherwise, Gabe did not have support.
"Philips Pass TH to String Lake TH in Grand Teton National Park. I took the Holly Lake direction through Paintbrush Canyon, just as the previous FKT.