SVP100 Entrants 2021
| Name | City | Club |
| Jason Lilley | Wickham Bishops | Witham Running Club |
| Rebecca O'hara | Long Melford | |
| Tina Belsom | Ipswich | Stowmarket Striders |
| Jackie Collins | Ipswich | Felixstowe Road Runners |
| Hayley Coles | Kirton | Felixstowe Road Runners |
| Mike Wolfenden | Godmanchester | Lonely Goat |
| Rachel Bodsworth | Hadleigh | Hadleigh Hares Ac |
| Dan Upton | Sudbury | |
| Eloise Brame | Ipswich | |
| Sam Walker | Sudbury | |
| Robert Langley | Halstead | Halstead Road Runners |
| Adam U'glow Jones | Chelmsford | |
| Steve Rulton | Sudbury | Runnng Colchester |
| Adam Williams | Cambridge | |
| John Stoneman | Braintree | Serpentine |
| Paul Goodhew | Buckhurst Hill | Orion Harriers |
| Tom Stevens | Harlow | Runstrong |
| Thomas Drury | Sudbury | |
| Tony Gavin | Ipswich | Felixstowe Road Runners |
| Adam Woodhead | Sudbury | |
| Terry Spurgeon | Ipswich | Ipswich Jaffa |
| Stephen Hughes | Chelmsford | Springfield Striders |
| Alan Shand | Newmarket | Newmarket Joggers |
| Peter Metcalfe | Sudbury | Vegan Runners |
| Gary Baker | Ipswich | Core Club |
| Mick Davidson | Colchester | 100 Marathon Club |
| Sam Howard | Cambridge | No |
| Andrew Parsons | Cambridge | Cambridge And Coleridge |
| Tom Lehane | Newmarket | |
| David Lehane | Newmarket | |
| Eva Wilkes | Norwich | Norwich Road Runners |
| Simon Goldsmith | Ipswich | |
| Alex Marshall | Ely | |
| Joanna Blyth | Felixstowe | Felixstowe Road Runners |
| Thomas Wilson | East Bergholt | |
