Overall Course Records:
Steve Boyd ran the 2003 GTBR in 45:14.
Michelle Krezonoski ran the 2022 GTBR in 52:55. NEW RECORD!
| Age Group | Name | Time | Year |
| Overall | Steve Boyd | 45:14 | 2003 |
| Under 20 | Steve Findlay | 48:45 | 1975 |
| 20-29 | Doug Scorrar | 45:30 | 1976 |
| 30-39 | Steve Boyd | 45:14 | 2003 |
| 40-49 | Larry McCloskey | 48:48 | 1995 |
| 50-59 | Ben Johns | 52:56 | 1990 |
| 60-69 | Chris Jermyn | 57:05 | 2001 |
| 70-79 | Chris Jermyn | 67:25 | 2014 |
| 80+ | Chris Jermyn | 107:07 | 2021 |
| Age Group | Name | Time | Year |
| Overall | Michelle Krezonoski | 52:55 | 2022 |
| Under 20 | Lynn Parrington | 60:02 | 1986 |
| 20-29 | Michelle Krezonoski | 52:55 | 2022 |
| 30-39 | Alexandra Hynes | 54:55 | 2022 |
| 40-49 | Jennifer McDonnell | 56:33 | 1996 |
| 50-59 | Paula Wiltsie | 57:31 | 2017 |
| 60-69 | Deborah Holtom | 72:29 | 2014 |
| 70 and over | Deborah Holtom | 75:40 | 2022 |
Glen Tay Block Race 