Races
| Race | Dist | Terrain | Club | Actions |
|---|---|---|---|---|
| Colchester Zoo Stampede 10K | 10K | Road | ||
| Coleraine Classic 5M | 5M | Road | ||
| Colin Potter 10K | 10K | Road | ||
| Cologne Marathon | M | Road | ||
| Colshaw Hall 10k | 10K | Road | ||
| Colwick HP GP 5M | 5M | Road | ||
| Conwy Half Marathon | HM | Road | ||
| Copenhagen Marathon | M | Road | ||
| Cork City Marathon | M | Road | ||
| Cornish Marathon | M | Road |