Secrets of a speed demon: Gwen Jorgensen's run masterclass
In the zone: Beginner's guide to heart rate training
Pushing boundaries: The races to enter when Ironman is no longer enough
Run shoe grouptest: 10 pairs of men's road runners reviewed and rated
2015 bike tech: First look at the very latest kit from Eurobike and Interbike
Garmin's new 920XT revealed
PLUS win Profile Design wheels worth £1,250