The Effect Of Ageing On Endurance Are you too old - or too young - to run your best marathon? To find out, we asked top scientists, coaches and elite athletes about the impact of ageing on endurance. Their answers might pleasantly surprise you
BIG Half-Marathon Index Tackle your first (or next) half-marathon with the help of our best hints, tips and training schedules
BIG Speedwork Index Take the 'work' out of speedwork with this one-stop shop for fitting in the fast stuff, crammed with the pick of our expert advice and information
BIG 5K Index Our one-stop shop for all things 5K, whether you're a beginner in training for your first ever race or an experienced runner targeting a new PB
Marathon Race-Week Q+A: Liz Yelling Double Olympian - and Lucozade Sport Super Six mentor - Liz Yelling answers your frequently-asked marathon questions
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