Cross-training day. Up early to nip round to the gym for 15 minutes on the exercise bike, 20 minutes on the step machine and 15 on the rower. Re-emerged dripping with sweat and ready for our four-course Sussex lunch. The meal was great, but not even the later stroll around the gardens at Nymans was enough to assuage the nagging certainty that, unlike my last marathon training programme, this one is actually increasing my weight.… READ MORE.... …