Most of the very best runners on the planet spend large chunks of time training at altitude....
A 10k can be a really tough distance to crack. If you're a marathon runner, it can seem fast...
Former two-time winner and humanitarian German Silva and women's marathon-running pioneer...
Oct. 21, 2014
JOIN WORLD RUNNING TODAY
and see how you rank against your running peers.
NEW: TRACK YOUR TRAINING
Keep track of your training runs, compare your times and make sure your training is staying on track.
Visit the training advice centre to improve your potential running performance.