Break the 20-minute barrier. This 12-week plan takes you from the 20:45–22:30 range to a sub-20 5K using elite coaching principles, scaled to your current fitness. HOW IT WORKS Four periodized phases: - Foundation (Wk 1–4): build threshold and aerobic volume - Build (Wk 5–8): extend VO2max and threshold work, introduce 4:00/km goal pace - Race-Specific (Wk 9–11): longer race-pace blocks plus sharp speed work - Taper (Wk 12): arrive fresh and race EACH WEEK - 5 runs: VO2max intervals, ...