Half Marathon Sub-1:40 Plan

This 12-week Sub-1:40 Half Marathon Plan—authored by Olympian Ilya Tyapkin—guides you through a progressive structure that builds endurance, speed, and pacing control. Designed for advanced runners with a strong base, it prepares you to arrive on race day fresh, confident, and ready to sustain ~4:44/km (7:37/mi) over 21.1 km.