21.1K

For 996 days in a row, Helen Ryvar has laced up her shoes at 4 a.m. and logged a 21.1-km (or longer) run on Strava

Conquer your half-marathon goals with these workouts, designed to build both speed and endurance

Running 21.1 kilometres requires less recovery time, fits better into your life and is just as much of an achievement as a marathon