The summer warmth is gone and replaced by a +14C grey drizzle - which is just fine for running.
about 1 min walking breaks every 2 km as described in Galloway's book show up as dips in the HR graph:
The summer warmth is gone and replaced by a +14C grey drizzle - which is just fine for running.
about 1 min walking breaks every 2 km as described in Galloway's book show up as dips in the HR graph: