| Name | Gender | Appearances | Top Performance |
|---|---|---|---|
| Vinnie Booiman | Male | 2 | 5th |
| Maddison Boon | Female | 2 | 22nd |
| Tom Boon | Male | 1 | 13th |
| Jeff Booth | Male | 1 | 7th |
| Jeff Booth | Male | 10 | 5th |
| Keiran Bootten | Male | 1 | 16th |
| Chris Borchardt | Male | 7 | 16th |
| Todd Boreland | Male | 3 | 2nd |
| Jordi Borràs | Male | 1 | 31st |
| Jake Botha | Male | 2 | 1st |
| Sandra Boubee | Female | 5 | 3rd |
| Rhys Boulton | Male | 1 | 12th |
| Brent Bourgeois | Male | 1 | 111th |
| Paul Bourgeois | Male | 1 | 8th |
| Walter Bouzan | Male | 1 | 4th |
| Matt Bowater | Male | 1 | 73rd |
| Andrew Bowden | Male | 1 | 2nd |
| Liam Bowden | Male | 1 | 6th |
| Keila Bowling | Male | 3 | 25th |
| Billy Bowman | Male | 1 | 67th |
Retrieving Competitors