Stephen Seiler
A 16-week plan for advanced runners based on polarized training. A sophisticated program with double sessions, integrated strength workouts, complex intervals and advanced periodization for high-level performance in the half marathon (13.1 miles / 21 km).
1 mi · 6h45 this week
40 min
45 min
1h
35 min
1 mi · 20 min
50 min
30 min
1h30
35 min
16 weeks · 109 workouts · 3 rest days
Create your account to unlock every week, sync with your watch and get personalized paces.