Are you worried you have lost strength or speed now that you have stopped training? If it has been more than 30 days you likely have.
Here is a breakdown of decreases in different performance attributes over time:
| After ~ 7 days | Loss of ~ 10% of maximal speed. |
| After ~ 14 days | Loss of muscle size and endurance |
| After ~ 21 days | Loss of ~ 10% of anaerobic capacity (repeated sprint ability) |
| After ~ 30 days | Loss of ~ 10% of maximal strength Loss of ~ 10% of maximal aerobic endurance |
| After ~ 60 days | Loss of ~ 20% of maximal strength Loss of ~ 20% of maximal aerobic endurance |