Races
| Race | Dist | Terrain | Club | Actions |
|---|---|---|---|---|
| Charnwood Marathon | M | Mixed | ||
| Cheddar Gorge Challenge | M | Mixed | ||
| Chester Marathon | M | Road | ||
| Chesterfield Marathon | M | Road | ||
| Chicago Marathon | M | Road | ||
| Cologne Marathon | M | Road | ||
| Copenhagen Marathon | M | Road | ||
| Cork City Marathon | M | Road | ||
| Cornish Marathon | M | Road | ||
| Dark Peak Trail Marathon | M | Trail |