Can't think how I missed it before but streets.mn has an excellent 'chart of the day' feature with all sorts of lovely graphs of interesting things.
Here's one on cyclists running red lights before and after the signals were redesigned to include a bike scramble http://streets.mn/2014/05/19/chart-of-the-day-bike-compliance-and-traffic-signal-design/
Here's one of the relevant efficiency of all sorts of creatures including 'man on bike' http://streets.mn/2014/05/22/chart-of-the-day-travel-efficiency-calories-per-gram-per-kilometer/