strain. Similarly, repeatedly working just one group of muscles can lead to a strength imbalance within the leg, leaving it more susceptible to injury. Time spent pursuing sports that work the opposing muscles (such as cycling) will improve your stride

!Strengths: I've had two of these bras for years (4.5 I think!). They still do their job - still really good hold, and they've had masses of use from running, cycling and rowing. Wash well, don't chafe, not too hot in the summer, and keep you warm in the winter

. In addition I typically swam one or two times a week and cycled one or two times a week. I did suffer in the marathon and found the last quarter very tough. I didn’t have enough decent long runs in the bank and I'm pretty sure my relatively low mileage didn

places (2006) is published by the Home Office, in consultation with the police, UK Athletics, British Cycling, UK Sport, Cycling Time Trials and the British Triathlon Association. Although not prescriptive, it offers useful guidance in key areas of events

-lap city road race with some gentle inclines to add to the challenge. And if you’re not ready for the full distance, you can always sign up for the half-marathon, relay race or cycle ride. The Beast 14 (Dorset, September 2) Climbs, stiles and a set

Running and cycling were also squeezed out of Dr Nic’s weekly regime as she focused on her second priority: boosting her fat reserves. "Body fat is actually an advantage in cold waters," she says, "and I find cross-training (other than weights sessions) simply melts