Athletics: Record-busting shoes loom large in marathon debate

A shoe debate is raging ahead of Sunday's New York City Marathon after high-tech sneakers played starring roles in two of the biggest distance-running achievements this year.

Athletics: Record-busting shoes loom large in marathon debate
A shoe debate is raging ahead of Sunday's New York City Marathon after high-tech sneakers played starring roles in two of the biggest distance-running achievements this year.