The Virgin Money London Marathon has events around it on the weekend that promote participation in athletes by young and old. The Mini Marathon is a series of races for young athletes, giving many the first chance that they have had for competition. Mo Farah won the Mini Marathon when he was a youth.
This year, Tom Daley, the Olympic Diver, will start the Virgin Money Giving Mini Marathon, which has thousands of participants. Here is an interview with Tom Daley by Andy Edwards of Trackwire/Globerunner.