Race guides / Entry and qualifying

The flattest Boston qualifiers.

Boston-qualifying marathons on flat courses, ranked by total climb. When the cut-off falls below the published standard, every minute counts, and a flat course is the easiest minute to find. 27 flat marathons in 15 countries, racing from 7 Nov 2026 to 17 Oct 2027. The flattest, NN Marathon Rotterdam, climbs 0 m in total.