London to Cambridge Challenge

The Challenge starts near the Olympic Park and heads up the fascinating Lea Valley - past locks, parkland and wetlands. Whether you take on your challenge as a walk, jog, or run, you'll receive full support and great hospitality every step of the way - and you can do it for a charity of your choice. There's a tremendous sense of achievement when the finish line is crossed and you reflect on how you went that extra mile! Push youreslf in 2016 - with some training and determination you'll be amazed at what you can achieve. 50k and 25k options. 2/3 July.