Tantek on X: "#trailTuesdayThrowback to Saturday’s first Marin #trailRun of the year, masked & distanced on a beautiful #Junuary day. Chilly in Tennessee Valley as the sun crested the hills, poking through the eucalyptus[2]. After ascending Fox trail[3], it was warmer… https://t.co/nQWDBkARFY https://t.co/r9C4lKzpAg" / X