It's vital to train safely when preparing for your challenge, and we have lots of tips and expert advice to make sure you stay injury free.
Avoiding running injuries
TeamAN superstar and qualified physiotherapist Elliott Brock has also created a fantastic running guide to help with training, preventing injuries and keeping in top shape.
From a 12 week training plan to a nifty breakdown of the cycling lingo, you'll find plenty of pedal power pointers from the RideLondon-Essex 100.
Trek without injury
Trekking can take its toll on your body, so take a look at these helpful videos, from Action Challenge, to help you put your best foot forward.
Nutrition advice from Debbie
Check out nutritionist Debbie's guide to eating well and training well.