| Old Costonians Rugby Football Club |
Running |
South West England, United Kingdom |
| Old Coventrians |
Running |
West Midlands, United Kingdom |
| Old Cranleighians Rugby |
Running |
South East England, United Kingdom |
| Old Crescent RFC |
Running |
Munster, Ireland |
| Old Crossleyans |
Running |
Yorkshire and the Humber, United Kingdom |
| Old Crossleyans' Squash Club |
Squash |
Yorkshire and the Humber, United Kingdom |
| Old Culverhaysians Rugby Football Club |
Running |
South West England, United Kingdom |
| Old Dunstonians Squash |
Squash |
South East England, United Kingdom |
| Old Dustonians |
Running |
South East England, United Kingdom |
| Old Elizabethans Rugby Football Club |
Running |
South West England, United Kingdom |
| Old Elthamians |
Running |
South East England, United Kingdom |
| Old Elthamians Squash |
Squash |
South East England, United Kingdom |
| Old Emanuel RFC |
Running |
South East England, United Kingdom |
| Old Fincunians Netball Club |
Netball |
United Kingdom |
| Old Freemen |
Running |
South East England, United Kingdom |
