This 12-week 10K 2.3 intermediate training plan prepares for a 10K in under 42:30 minutes with 5 running days/week. Training starts at 50 km/week and peaks at 58 km/week. For each run, I provide the exact pace range. Simply set up your training zones based on your fitness level with a click of a mouse button. • Upload all workouts to your running watch • Switch plan level, free within 14 days • Free email coach support