«„Double Racing is a new sport. It is a two stage running event with a halftime in between. Our recovery zone will give you a chance to recover and get ready for the second stage. Times are combined for scoring. All Double finishers receive a medal, official shirt, bag, and more. Nearly 5,000 people have completed a Double,“ says Bob Anderson, who created the Double Road Race and publisher of Double Runner and Runners World magazine!» another take~ Double Racing® was created by running visionary and Runner’s World magazine founder Bob Anderson. This new sport and new challenge with its strategic endurance twist is unique to the running world. The title event is the Double Road Race 15k Challenge. It’s a 10k followed by a 5k with a break in between featuring the Recovery Zone. Other distances include the Double 21k(15k+6k), Double 8k(5k+3k), Double 5k(3k+2k) and the Kids Double 1.5m(1m+½m). It’s the only running event with a halftime.””“Bob loves running so this is a great fit for those with the same degree of love for the sport! My son has ran in several and loves the competition and it builds his confidence and desire to run and race for a lifetime of physical fitness and fun! A healthy sport anyone can do and Double Road races are a growing form of the running community for which Bob is bringing global for the love and family atmosphere unity of our sport! You will love these enough to want to be involved! We are! :) Here is a clip of a San Jose Double they have about every 6 months! There a piles of other clips on YouTube as well as the main website~ WE do the Double! Go for it!