Spring has arrived, which can only mean one thing - it's running season. Cherry blossom isn't the only thing to hit the pavements as the upcoming months see a stampede of runners paving the roads in aid of fitness and charity. With a staggering 57,000 participants crossing the Paris marathon's finishing line on the 6th April and an impressive 247,069 men and women set to run the London marathon on 24th April, training has become an integral part of a runners routine. One FAQ that we receive at Dolphin Fitness Club is "which is better? Outdoor running or treadmill training?" We've summed up the advantages and disadvantages for both...