Below is a list of runners who have reached 100 marathons in 2008 along with the event and date this milestone was reached.
| Rush Yadave | 14-Dec-08 | Hastings |
| Jonathan Venning | 14-Dec-08 | Hastings |
| Michael J Smith | 14-Dec-08 | Hastings |
| Mark Sanders | 30-Nov-08 | Florence |
| Richard Fullbrook | 27-Oct-08 | Dublin |
| Nigel Webb | 25-Oct-08 | Beachy Head |
| Fu-Lok Cheung | 19-Oct-08 | Amsterdam |
| Dave Ross | 02-Jun-08 | Cork City |
| Keith Scrivener | 11-May-08 | Halstead |
| Jim Manford | 06-Apr-08 | Connemara |
| Kevin Day | 13-Jan-08 | Genk |
| Ray Bennett | 13-Jan-08 | Genk |