The spectacle has been created by runners, for all runners. From the mile to the 100 mile, the trails to the road, weekenders to olympians. Take on the challenge, then take in the spectacle. 100 Mile100km50km21kmDistance160km100km50km21kmVert (m)8877535123081181Gradient5.5%5.4%4.6%5.6%GRADIENT FACTORHarshHarshToughHarsh