Personal bests
Best marks in available results| Event / course | Mark | Meet | Date |
| 1.35 Miles · Scofield Magnet SchoolGreenwich, McMahon, Darien at Westhill · Sep 19 | 12:32 | Greenwich, McMahon, Darien at Westhill | September 19, 2023 |
| 1.5 Miles · Allens Meadows Park34th Wilton XC Invitational · Sep 9 | 14:45.10 | 34th Wilton XC Invitational | September 9, 2023 |
| 2400 m · Ridgefield High SchoolMcMahon, St. Joe’s, Norwalk at Ridgefield · Sep 27 | 14:01 | McMahon, St. Joe’s, Norwalk at Ridgefield | September 27, 2023 |
| 3,000 Meters · FCIAC Championship Freshman CourseFCIAC Cross Country Championships · Oct 18 | 17:24 | FCIAC Cross Country Championships | October 18, 2023 |
| 4190 m · Ridgefield High SchoolDarien, Ludlowe, McMahon at Ridgefield · Sep 16 | 26:53.50 | Darien, Ludlowe, McMahon at Ridgefield | September 16, 2025 |
| 5,000 Meters · FCIAC Championship 5,000mFCIAC Cross Country Championships · Oct 15 | 32:47 | FCIAC Cross Country Championships | October 15, 2025 |
Best marks from the meets included here. Cross Country bests are grouped by course and distance.
2025 Cross Country
5 results| Date | Meet | Event | Pl | Mark | Gr |
| Oct 15 | FCIAC Cross Country ChampionshipsOct 15 · 5,000 Meters Junior Varsity · Place 207 · Brien McMahon | 5,000 Meters Junior Varsity | 207 | 32:47 PB | 11 |
| Oct 7 | Stamford, McMahon, Central at GreenwichOct 7 · 5,000 Meters Varsity · Place 41 · Brien McMahon | 5,000 Meters Varsity | 41 | 32:00.70 | 11 |
| Sep 30 | Staples, Norwalk, McMahon at New CanaanSep 30 · 5,000 Meters Varsity · Place 45 · Brien McMahon | 5,000 Meters Varsity | 45 | 32:45.88 | 11 |
| Sep 16 | Darien, Ludlowe, McMahon at RidgefieldSep 16 · 4,190 Meters Varsity · Place 52 · Brien McMahon | 4,190 Meters Varsity | 52 | 26:53.50 PB | 11 |
| Sep 9 | St. Joe's, McMahon, Warde at DanburySep 9 · 4,000 Meters Varsity · Place 25 · Brien McMahon | 4,000 Meters Varsity | 25 | 26:58.40 | 11 |
2024 Cross Country
5 results| Date | Meet | Event | Pl | Mark | Gr |
| Oct 8 | McMahon, Stamford, Greenwich at St. Joe'sOct 8 · 5,000 Meters Varsity · Place 28 · Brien McMahon | 5,000 Meters Varsity | 28 | 31:07 | 10 |
| Oct 1 | Warde, McMahon, Staples at New CanaanOct 1 · 4,000 Meters Varsity · Place 61 · Brien McMahon | 4,000 Meters Varsity | 61 | 24:10.88 | 10 |
| Sep 24 | Ludlowe, McMahon, Central at TrumbullSep 24 · 1.7 Miles Novice · Place 19 · Brien McMahon | 1.7 Miles Novice | 19 | 14:33.81 | 10 |
| Sep 17 | Westhill, McMahon, Norwalk at DarienSep 17 · 1.62 Miles Novice · Place 18 · Brien McMahon | 1.62 Miles Novice | 18 | 13:21.20 | 10 |
| Sep 10 | Wilton, McMahon, Danbury at RidgefieldSep 10 · 2,400 Meters Novice · Place 48 · Brien McMahon | 2,400 Meters Novice | 48 | 14:41.07 | 10 |
2023 Cross Country
7 results| Date | Meet | Event | Pl | Mark | Gr |
| Oct 18 | FCIAC Cross Country ChampionshipsOct 18 · 3,000 Meters Freshman · Place 52 · Brien McMahon | 3,000 Meters Freshman | 52 | 17:24 PB | 9 |
| Oct 11 | McMahon, Stamford, Staples at WiltonOct 11 · 1.5 Miles Novice · Place 29 · Brien McMahon | 1.5 Miles Novice | 29 | 13:24.48 | 9 |
| Oct 2 | McMahon, Warde, Trumbull at LudloweOct 2 · 1.75 Miles Novice · Place 24 · Brien McMahon | 1.75 Miles Novice | 24 | 14:13.38 | 9 |
| Sep 27 | McMahon, St. Joe’s, Norwalk at RidgefieldSep 27 · 2,400 Meters Novice · Place 11 · Brien McMahon | 2,400 Meters Novice | 11 | 14:01 PB | 9 |
| Sep 19 | Greenwich, McMahon, Darien at WesthillSep 19 · 1.35 Miles Novice · Place 18 · Brien McMahon | 1.35 Miles Novice | 18 | 12:32 PB | 9 |
| Sep 12 | Bridgeport, McMahon New Canaan at DanburySep 12 · 1.43 Miles Novice · Place 20 · Brien McMahon | 1.43 Miles Novice | 20 | 14:37.20 | 9 |
| Sep 9 | 34th Wilton XC InvitationalSep 9 · 1.5 Miles Freshman · Place 76 · Brien McMahon | 1.5 Miles Freshman | 76 | 14:45.10 PB | 9 |