48km Cycle

http://connect.garmin.com/activity/214495611

Distance:	48.24 km
Time:	1:40:13
Avg Speed:	28.9 km/h
Elevation Gain:	434 m

Avg HR:	148 (79%)
Max HR:	171 (91%)

Exactly the same route and Thursdays disaster ride, but quicker by about 15mins. Beautiful sunny morning, a bit of breeze.

If I can keep a reasonable aerobic effort (avg 79% max HR) on most rides I should be ok in terms of my basic fitness.