. At Ironman New Zealand in 1997, men expended, on average, 10,036 calories and consumed 3,940. Women burned 9,253 calories and consumed 3,115.Aim to take in around 250 calories an hour from food, and roughly the same from sports drinks. Studies suggest

you out of the water.” When you’re trying to focus on swimming for 10, 12 or 16 hours - which is what it took in the end - somebody being able to take it out of your control and stop it became really challenging. After around ten hours I just said

because it seems to have some acupressure-type effect. – Bear B. HindUnfortunately every Friday it's part of my job to run with a 15kg bergan. This training is good for building endurance and core muscles, but if you don't build up to it you're gonna get

before my first marathon (Amsterdam 2006), I averaged three runs per week and a total weekly mileage of about 25 miles. I did the marathon in 2:57. A typical running week for me at that time involved one track session, one hilly run and one long run

– and eat – to get the very best out of your body.Enduring Questions: What’s Your Ideal Weight? Start here - lock on to your weight-loss target by working out your ideal weight. GETTY IMAGESThe Basics To begin at the beginning – stick to simple healthy

-jogging; 1:36 on a ski machine; 1:15 on a step machine; 1:36 on an exercise bike; and 1:36 on a rowing machine.10. I need strong legs for running, why should I work on my upper body?There's no doubt that your legs are your main priority when it comes

easier though - hills can be daunting and exhausting opponents, especially for beginners. What advice can you offer this week’s questioner as she prepares to tackle her first climbs?"I’ve been training for three months now and did a 5K in June. Now I

picking up the pace and eventually the walking breaks went. A few years on, I'm now a marathon runner and gone from a size 14 to between an 8 and a 10. So stick at it, it's worth it in the end. Oh, and by the way,you'll burn a lot more calories outside

, there are plenty of marathons around so I’m thinking about maybe trying again in September. (Updated 27/04/09) Read more Sue (aka Sue C) Finish Time: 3:36:00 Target Time: as close to 3:15 as possible Sue says: I knew from Mile 3 that things weren't going

in waves of 150 or more, things can become hectic and it is possible you may find someone swimming over you, under you or even across you. The swim usually becomes calmer after the first 100m or so as the faster swimmers pull ahead and the field becomes