By Allan Collins
By Snyder, Rocky
By David Salo, Scott A. Riewald
By Chapman, Mark
By Iñigo Mujika
By Hannula, Dick, Kenny, Skip
By Hayes, Fiona
By Williamson, Lexie
By Fitness, LA
By Putkisto, Marja
By Balk, Malcolm, Shields, Andrew
By Women's Running Magazine
By Robinson, Lynne, Thompson, Gordon, Thomas
By Alderson, Alf
By Clark, Suzanne
By Pohlman, Dean
By ACSM
By John Shepherd
By Tenke, Zoltan, Higgins, Andy
By Radcliffe, James C.
By Peter J. Maud, Carl Foster
By Norris, Christopher M.
By Shephard, R. J., Astrand, P.–O.
By Sheryn, Chris
By Tracy Richardson, Laura
By Bramham, Peter, Hylton, Kevin, Jackson, Dave
By Bangsbo, Jens
By Jones, Robyn L.
By Misiura, Shashi