Above: Profiles of AC, LT, OD, WF & WS (from 11/88 UltraRunning)

• American River 50
• Angeles Crest 100
• Arkansas Traveler 100
• Dick Collins' Firetrails 50m
• Hardrock 100
• Headlands 50k
• H.U.R.T. 100
• Las Trampas 50k
• Leadville 100
• Promise Land 50k
• Quicksilver 50k/50m
• Vermont 100
• San Diego 100
• Way Too Cool 50k
• Western States 100

(data from UltraRunning, Andrea Feucht & John Vonhof)