Cycling 1:21:00 [3] 17.51 mi (4:38 / mi) +1050ft 4:23 / mi
balfron> Dukes P> L Katrine. Nicer weather.
Running 1:00:09 [4] 7.4 mi (8:08 / mi) +1020ft 7:11 / mi
From David Marshall Lodge, Aberfoyle. Along the bike route (7), to 3 lochs car park etc- basically paralleling Dukes Pass, gained a lot and felt good. Stopped to tie shoe lace at 32 mins and my left calf/ around knee seized, progressing pain until I was limping back down!
Flat sections I was approx 7'23, hill (inc a 10% gradient) 9'40, then down hill with my limping 8'40...Basically was running quite quick until the way back. Hopefully just a spasm no lasting niggle.