Time to work out a training schedule. The triathlon is now 8 weeks away. That's more than enough time to give me a fighting chance of running a sub 20-minute 5K. I'm booked into the Standard Chartered Great City Race, which takes place 4 weeks

Once upon a time long-distance triathlon was seen as something of a grail, holy or unholy, depending on how you felt about a 140-mile race. It was the preserve of the experienced, the specialists and, maybe, the slightly unhinged. Not any more

With one week left until my running leg of the Hyde Park Triathlon, I visited Bupa's London branch for a fitness assessment. The aim? To find out if I've got the potential to run a sub 20-minute 5K at my current level of fitness and if not, then how