© Getty Images If 26.2 miles just isn't enough, an ultra could be the race for you. Races longer than a marathon, ultras range from 30 miles to hundreds of miles and take place in hundreds of beautiful locations from Sussex to the Sahara

ideas to help you fulfil your 2010 potential... Make it a milestoneWhether it's your very first race, the decision to tackle fells, a marathon, an ultra or a triathlon, make 2010 a year to remember by challenging yourself to completing a huge milestone

, while capital-based runners can also test their times in the Self Transcendence series in Battersea Park. 10K opportunities also abound, and those inspired by the Flora London Marathon can tread city streets in the Bupa London 10,000 and the Bupa Great

the route.. 2. Dorney Dash 10K Asthma UK 10K Windsor 10K series * Where: Berkshire When: throughout the year Head to 2012 Olympics venue Dorney Lake and its ultra-flat parkland for a phalanx of PB-crushing races. With peaceful scenery