Niagara Ultra
| Rank | Year | Name | Category | Result |
|---|---|---|---|---|
| 1 | 2007 | Michel Lavoie | M 40-49 | 3:05:32 |
| 2 | 1998 | Brian Teason | M 30-39 | 3:12:26 |
| 3 | 2012 | Michel Lavoie | M 50-59 | 3:13:14 |
| 4 | 2025 | Parker Mills | M | 3:17:30 |
| 5 | 2023 | Aidan Rutherford | M | 3:21:29 |
| 6 | 2023 | Julie Hamulecki | F 40-49 | 3:24:26 |
| 7 | 2014 | Robert Christie | M 40-49 | 3:27:49 |
| 8 | 1996 | Giles Malet | M 30-39 | 3:35:28 |
| 9 | 2011 | Mark McCosham | M | 3:35:43 |
| 10 | 2019 | Julie Hamulecki | F 30-39 | 3:35:55 |
| 11 | 2023 | Sven Jurshevski | M 30-39 | 3:36:59 |
| 12 | 2025 | Patrick Paquette | M | 3:37:11 |
| 13 | 2018 | Gary Cheung | M | 3:37:25 |
| 14 | 2022 | Ian Grzegorczyk | M 30-39 | 3:37:28 |
| 15 | 2007 | Clayton Sloss | M 30-39 | 3:37:33 |
| 16 | 2006 | Scott Turner | M 40-49 | 3:37:38 |
| 17 | 2008 | Clayton Sloss | M | 3:37:45 |
| 18 | 2012 | Dave Rutherford | M 40-49 | 3:37:48 |
| 19 | 2017 | John Harrison Pockler | M 20-29 | 3:37:48 |
| 20 | 2006 | Paul Trebilcock | M 40-49 | 3:38:10 |
| 21 | 2025 | Anthony Graziano | M | 3:38:17 |
| 22 | 1999 | Mark Stuart | M 20-29 | 3:38:40 |
| 23 | 2002 | Elisabeth Ruel | F 30-39 | 3:39:03 |
| 24 | 2015 | Scott Myers | M 40-49 | 3:39:34 |
| 25 | 2002 | Robin Hutchinson | M 30-39 | 3:41:54 |
| 26 | 1996 | Christopher Wytyczak | M 30-39 | 3:42:02 |
| 27 | 2013 | Rob Christie | M | 3:42:13 |
| 28 | 2023 | Christian Keller | M | 3:43:46 |
| 29 | 1997 | Robert Dion | M 40-49 | 3:44:10 |
| 30 | 2022 | Matt Greenfield | M | 3:44:16 |
| 31 | 2025 | Gina Tranquada | F 30-39 | 3:44:35 |
| 32 | 2016 | John McAlister | M | 3:44:36 |
| 33 | 2006 | Adrian Horvath | M 20-29 | 3:45:02 |
| 34 | 1997 | Terry Martin | M 50-59 | 3:45:55 |
| 35 | 2014 | Kent Hollingsworth | M | 3:46:09 |
| 36 | 2022 | Derek Lai | M | 3:47:01 |
| 37 | 2024 | Mark Mcleod | M | 3:48:05 |
| 38 | 2024 | Alon Gewer | M | 3:48:10 |
| 39 | 2016 | Ryan Saunders | M | 3:48:37 |
| 40 | 2011 | Jeff Ashizawa | M | 3:48:41 |
| 41 | 2024 | Juan Pulido | M | 3:48:47 |
| 42 | 2009 | Edward Housel | M | 3:48:54 |
| 43 | 2009 | David Dysert | M | 3:49:07 |
| 44 | 1999 | Mark Rosasco | M 40-49 | 3:49:27 |
| 45 | 2019 | Michael Stork | M 40-49 | 3:49:31 |
| 46 | 2025 | Breanne Schaefer | F | 3:49:31 |
| 47 | 2007 | Paul Trebilcock | M 40-49 | 3:49:32 |
| 48 | 2007 | Jenn Dick | F 30-39 | 3:49:48 |
| 49 | 2022 | Stuart Mansbridge | M | 3:49:53 |
| 50 | 2024 | Andrew Thomas | M | 3:49:58 |
| 51 | 2017 | Ernesto Silva | M | 3:50:09 |
| 52 | 2015 | Stewart Campbell | M 50-59 | 3:50:45 |
| 53 | 2007 | Jim Orr | M 50-59 | 3:50:55 |
| 54 | 2022 | Elizabeth Maguire | F | 3:51:00 |
| 55 | 2005 | Scott Turner | M 40-49 | 3:51:35 |
| 56 | 2017 | John McAlister | M | 3:51:48 |
| 57 | 2002 | Jim Watson | M 50-59 | 3:51:59 |
| 58 | 2012 | Ed Housel | M 50-59 | 3:52:24 |
| 59 | 2009 | Patrick Kelly | M | 3:52:27 |
| 60 | 2002 | Campbell Parry | M 30-39 | 3:52:35 |
| 61 | 2008 | Jason Smith | M | 3:52:47 |
| 62 | 2008 | Jim Orr | M | 3:52:49 |
| 63 | 2018 | John McAlister | M | 3:53:08 |
| 64 | 2014 | Holger Kleinke | M 40-49 | 3:53:20 |
| 65 | 2022 | Rebecca Kruisselbrink | F 30-39 | 3:53:32 |
| 66 | 2017 | Oliver Hutchison | M | 3:53:39 |
| 67 | 2023 | Breanne Schaefer | F | 3:53:40 |
| 68 | 2018 | Tales Camargo | M | 3:54:16 |
| 69 | 2022 | Jeff Jones | M | 3:54:27 |
| 70 | 2018 | Aidan Rutherford | M | 3:54:30 |
| 71 | 1997 | John Caovette | M 30-39 | 3:54:53 |
| 72 | 1999 | Will Pittenger | M 40-49 | 3:54:57 |
| 73 | 1999 | Mario Cancellara | M 40-49 | 3:55:33 |
| 74 | 2008 | Paul Chenery | M | 3:55:39 |
| 75 | 2010 | Tim Johnson | M | 3:56:00 |
| 76 | 2024 | Chris Rhodes | M | 3:56:17 |
| 77 | 2015 | Neela D'Souza | F 30-39 | 3:56:34 |
| 78 | 2009 | Jason Smith | M | 3:57:01 |
| 79 | 2010 | Ed Housel | M | 3:57:14 |
| 80 | 2023 | Mark Mcleod | M | 3:57:14 |
| 81 | 2012 | Adam Takacs | M 30-39 | 3:57:41 |
| 82 | 2017 | Jeremy Grampola | M | 3:57:53 |
| 83 | 2023 | Alon Gewer | M | 3:57:55 |
| 84 | 2016 | Neela D'Souza | F 30-39 | 3:58:06 |
| 85 | 2009 | Brian Groot | M | 3:58:24 |
| 86 | 2011 | Terry Jarrell | M | 3:58:35 |
| 87 | 2022 | Nathan Walker | M | 3:58:40 |
| 88 | 2019 | Neela D'Souza | F 40-49 | 3:58:41 |
| 89 | 2007 | Paul Chenery | M 50-59 | 3:58:47 |
| 90 | 2015 | Angela Carron | F 30-39 | 3:59:22 |
| 91 | 1996 | Gary Addison | M 30-39 | 3:59:23 |
| 92 | 1996 | Christine Gibbons | F 30-39 | 3:59:39 |
| 93 | 2023 | Paulo Conceicao | M | 3:59:41 |
| 94 | 2012 | Terry Jarrell | M 50-59 | 3:59:45 |
| 95 | 2007 | Jason Smith | M 30-39 | 4:00:04 |
| 96 | 2009 | David Webb | M | 4:00:09 |
| 97 | 2015 | Jesse Bergman | M 30-39 | 4:00:10 |
| 98 | 2023 | John Kolh | M | 4:00:20 |
| 99 | 2015 | Sven Jurshevski | M 20-29 | 4:00:41 |
| 100 | 2007 | Doug Hall | M 40-49 | 4:00:50 |