Directives on fast bowling from the England and Wales Cricket Board
| Age (years) | Matches | Practices | Maximum of matches+practices in 1 week |
|---|---|---|---|
| Under 13 | 2 spells of 3–4 overs | 2 per week; 30 balls/session | 3 |
| Under 15 | 2 spells of 4–5 overs | 2 per week; 36 balls/session | 3 |
| Under 17 | 3 spells of 4–5 overs | 3 per week; 36 balls/session | 4 |
| Under 19 | 3 spells of 5–6 overs | 3 per week; 42 balls/session | 4 |
| Senior | 3 spells of 6–8 overs | 3 per week; 48 balls/session |