| Date | Event | Details | Results | |
|---|---|---|---|---|
| 2023 | ||||
| Jul 16 | The ENDURrun Sport 80km Waterloo road-running | The ENDURrun Sport 80km Details | ||
| Jul 14 | Dark & Dirty Night Trail Race Batawa road-running | Dark & Dirty Night Trail Race Details | ||
| Jul 14 | Rev & Run Toronto road-running | Rev & Run Details | ||
| Jul 14 - Jul 16 | Ontario U20 & Open Athletics Championship Toronto Track and Field Centre – Toronto, ON outdoor | Ontario U20 & Open Athletics Championship Details | Results | |
| Jul 12 | Edge Elite Distance Night 2 Canada Games Park, 2021 Canada Games Way, Thorold ON L2V 4Y6 outdoor | Edge Elite Distance Night 2 Details | ||
| Jul 12 | Ottawa Twilight Series 6 Terry Fox Athletic Facility - Ottawa, ON outdoor | Ottawa Twilight Series 6 Details | Results | |
| Jul 11 | Stratford Sabrecats Twilight Meet 1 outdoor | Stratford Sabrecats Twilight Meet 1 Details | ||
| Jul 11 | Sabrecats Twilight 1 cross-country | Sabrecats Twilight 1 Details | ||
| Jul 11 | YUTC Twilight 3 Toronto Track and Field Centre – Toronto, ON outdoor | YUTC Twilight 3 Details | Results | |
| Jul 9 | John Allen Field Series 2 Strathroy District Collegiate Institute, Strathroy, ON outdoor | John Allen Field Series 2 Details | ||
| Jul 9 | The Good Games Guelph road-running | The Good Games Details | ||
| Jul 8 | Bolton Pole Vault Outdoor Classic outdoor | Bolton Pole Vault Outdoor Classic Details | Results | |
| Jul 8 - Jul 10 | OFSAA Championships Terry Fox Athletic Facility - Ottawa, ON outdoor | OFSAA Championships Details | Results | |
| Jul 8 | The Good Games Guelph outdoor | The Good Games Details | ||
| Jul 8 | Summit 700 The Blue Mountains road-running | Summit 700 Details | ||
| Jul 8 | The Limberlost Challenge Huntsville road-running | The Limberlost Challenge Details | ||
| Jul 7 - Jul 9 | Flying Angels International Classic Toronto Track and Field Centre – Toronto, ON outdoor | Flying Angels International Classic Details | ||
| Jul 7 - Jul 8 | Ontario Legion Championships Terry Fox Stadium - Brampton, ON outdoor | Ontario Legion Championships Details | Results | |
| Jul 5 | Edge Elite Distance Night 1 Canada Games Park, 2021 Canada Games Way, Thorold ON outdoor | Edge Elite Distance Night 1 Details | ||
| Jul 5 | Track North Sudbury Twilight Series 3 Laurentian Community Track at Laurentian University - Sudbury, ON outdoor | Track North Sudbury Twilight Series 3 Details | Results | |
| Jul 5 | Ottawa Twilight Series 5 (CFTL Meet) Terry Fox Athletic Facility - Ottawa, ON outdoor | Ottawa Twilight Series 5 (CFTL Meet) Details | Results | |
| Jul 4 | Toronto Track 800m Night Varsity Stadium - Toronto, ON outdoor | Toronto Track 800m Night Details | Results | |
| Jul 2 - Jul 3 | OFSAA West Region Jacob Hespeler SS - Cambridge, ON outdoor | OFSAA West Region Details | Results | |
| Jul 1 | Canada Day 5km Burlington road-running | Canada Day 5km Details | ||
| Jul 1 - Jul 2 | OFSAA South Region Terry Fox Stadium - Brampton, ON outdoor | OFSAA South Region Details | Results | |
| Jul 1 - Jul 2 | OFSAA East Region Terry Fox Athletic Facility - Ottawa, ON outdoor | OFSAA East Region Details | Results | |
| Jul 1 | Hamilton Puma Canada Day Twilight Mona Campbell Track - Hamilton, ON outdoor | Hamilton Puma Canada Day Twilight Details | Results | |
| Jun 28 | Track North Sudbury Twilight Series 2 Laurentian Community Track at Laurentian University - Sudbury, ON outdoor | Track North Sudbury Twilight Series 2 Details | ||
| Jun 28 | Ottawa Twilight Series 4 Terry Fox Athletic Facility - Ottawa, ON outdoor | Ottawa Twilight Series 4 Details | Results | |
| Jun 27 | UTTC Twilight 2 Varsity Stadium - Toronto, ON outdoor | UTTC Twilight 2 Details | Results | |
| Jun 25 | CANCELLED – Throwers Club Meet 2 Toronto Track and Field Centre – Toronto, ON outdoor | CANCELLED – Throwers Club Meet 2 Details | Results | |
| Jun 25 | Throwers Club Meet 2 Toronto Track and Field Centre – Toronto, ON outdoor | Throwers Club Meet 2 Details | Results | |
| Jun 25 | Sunburn Solstice Trail Race Mount Hope road-running | Sunburn Solstice Trail Race Details | ||
| Jun 25 | Heart Lake Run 5K Brampton road-running | Heart Lake Run 5K Details | ||
| Jun 24 | District F Civic Recreation Complex - Oshawa, ON outdoor | District F Details | Results | |
| Jun 24 - Jun 25 | Ontario Combined Events Championships Toronto Track and Field Centre – Toronto, ON outdoor | Ontario Combined Events Championships Details | Results | |
| Jun 24 - Jun 25 | NXTCHAMP Invitational Toronto Track and Field Centre – Toronto, ON outdoor | NXTCHAMP Invitational Details | Results | |
| Jun 24 | Johnny Loaring Classic Alumni Field - Windsor, ON outdoor | Johnny Loaring Classic Details | Results | |
| Jun 24 | Pride & Remembrance Run Toronto road-running | Pride & Remembrance Run Details | ||
| Jun 24 | Community Strong Festival Sault Ste Marie road-running | Community Strong Festival Details | ||
| Jun 23 - Jun 25 | Ontario Combined Events Championships Toronto Track and Field Centre – Toronto, ON outdoor | Ontario Combined Events Championships Details | Results | |
| Jun 21 | Ottawa Twilight Series 3 Terry Fox Athletic Facility - Ottawa, ON outdoor | Ottawa Twilight Series 3 Details | Results | |
| Jun 21 | Royal City Inferno Track & Field Festival Alumni Stadium - Guelph, ON outdoor | Royal City Inferno Track & Field Festival Details | Results | |
| Jun 20 | YUTC Twilight 2 Toronto Track and Field Centre – Toronto, ON outdoor | YUTC Twilight 2 Details | Results | |
| Jun 18 | District B Ray Lewis Track & Field Complex (Mohawk Park) - Hamilton, ON outdoor | District B Details | Results | |
| Jun 17 | Boomerang Trail Race Batawa road-running | Boomerang Trail Race Details | ||
| Jun 17 | District G Thousand Islands Secondary School - Brockville, ON outdoor | District G Details | Results | |
| Jun 17 | District E St. Theresa's C.H.S. - Midland, ON outdoor | District E Details | Results | |
| Jun 17 | District C Davidson Centre - Kincardine, ON outdoor | District C Details | Results | |
| Jun 17 | District D Toronto Track and Field Centre – Toronto, ON outdoor | District D Details | Results | |
