. You would be better served doing, for example, two back-to-back 15-minute efforts at your 25-mile time trial pace, or some other planned session that is specific to your Olympic-distance triathlon.      It is also important to acknowledge

20-minute time trial on the turbo trainer and record the heart rate, speed and cadence you maintained.On the run, go to your usual run route or course and try to set a PB for intervals - such as 5 x 1000m - or sustained efforts - such as three miles

continuous swim of 750m and the second, a 20K bike followed by a 5K run. For an intermediate, a December target could be a 1500m swim in 32 minutes, a 40K bike in 1:15 and a 10K run in 50 minutes. A good March target would be combining any two disciplines

, it's time for 'fourth gear': do maximal sessions like 4x2K track runs and 10-mile time trials." - Will Clarke"Winter is the time to work on weaknesses, make changes and try new ideas. Winter training is about flexibility and compromise, so do not set