🏃 Run Training Simulator

Enter your stats and race goal. Simulate your training week by week and see your projected finish time.

Quick fill
Your profile
Age
30 yrs
Current Weekly Mileage
20 mi/wk
Your current training volume
VO₂ Max
—
Off — will estimate from mileage only
Weight (optional)
Optional — slightly affects pace estimate
Current pace (optional)
Your comfortable easy/jog pace per mile — anchors pace estimates to reality
Current fitness estimate
38
Race goal
🏁
5K
3.1 mi · rec. 8 wks
🎽
10K
6.2 mi · rec. 10 wks
🏃
Half Marathon
13.1 mi · rec. 12 wks
🏅
Marathon
26.2 mi · rec. 16 wks
Days per week4 days — recommended
Training weeks16 wks
✅ Recommended training length for Marathon
Target finish time (optional)