Personal bests
Best marks in available results| Event / course | Mark | Meet | Date |
| 2.5 Miles · Girls VarsityMcMahon, Norwalk, Warde at Wilton · Sep 22 | 19:07.43 | McMahon, Norwalk, Warde at Wilton | September 22, 2026 |
| 2.9 Miles · Trumbull High SchoolGreenwich, Stamford, McMahon at Trumbull · Sep 15 | 22:37.08 | Greenwich, Stamford, McMahon at Trumbull | September 15, 2026 |
| 3,000 Meters · FCIAC Championship Freshman CourseFCIAC Cross Country Championships · Oct 18 | 14:28 | FCIAC Cross Country Championships | October 18, 2023 |
| 4,000 Meters · Scofield Magnet SchoolGreenwich, McMahon, Darien at Westhill · Sep 19 | 21:37 | Greenwich, McMahon, Darien at Westhill | September 19, 2023 |
| 4119 m · Darien High SchoolMcMahon, Ludlowe, Ridgefield at Darien · Oct 13 | 18:53.4 | McMahon, Ludlowe, Ridgefield at Darien | October 13, 2026 |
| 4190 m · Ridgefield High SchoolDarien, Ludlowe, McMahon at Ridgefield · Sep 16 | 21:24.70 | Darien, Ludlowe, McMahon at Ridgefield | September 16, 2025 |
| 5,000 Meters · FCIAC Championship 5,000mFCIAC Cross Country Championships · Oct 16 | 24:08 | FCIAC Cross Country Championships | October 16, 2024 |
| 5,000 Meters · Staples High SchoolDanbury, St. Joseph, McMahon at Staples · Sep 29 | 24:17.77 | Danbury, St. Joseph, McMahon at Staples | September 29, 2026 |
| 5,000 Meters · Waveny ParkCentral, Westhill, McMahon at New Canaan · Oct 6 | 24:10.28 | Central, Westhill, McMahon at New Canaan | October 6, 2026 |
| 5,000 Meters · Wickham ParkCIAC Division Championships · Oct 25 | 24:17.65 | CIAC Division Championships | October 25, 2025 |
Best marks from the meets included here. Cross Country bests are grouped by course and distance.
2026 Cross Country
7 results| Date | Meet | Event | Pl | Mark | Gr |
| Oct 31 | CIAC XC Division ChampionshipsOct 31 · 5,000 Meters LL · Place 88 · Brien McMahon | 5,000 Meters LL | 88 | 25:18.45 | 12 |
| Oct 21 | FCIAC Cross Country ChampionshipsOct 21 · 5,000 Meters Varsity · Place 79 · Brien McMahon | 5,000 Meters Varsity | 79 | 23:25.1 | 12 |
| Oct 13 | McMahon, Ludlowe, Ridgefield at DarienOct 13 · 2.56 Miles Varsity · Place 24 · Brien McMahon | 2.56 Miles Varsity | 24 | 18:53.4 PB | 12 |
| Oct 6 | Central, Westhill, McMahon at New CanaanOct 6 · 5,000 Meters Varsity · Place 19 · Brien McMahon | 5,000 Meters Varsity | 19 | 24:10.28 PB | 12 |
| Sep 29 | Danbury, St. Joseph, McMahon at StaplesSep 29 · 5,000 Meters Varsity · Place 18 · Brien McMahon | 5,000 Meters Varsity | 18 | 24:17.77 PB | 12 |
| Sep 22 | McMahon, Norwalk, Warde at WiltonSep 22 · 2.5 Miles Varsity · Place 13 · Brien McMahon | 2.5 Miles Varsity | 13 | 19:07.43 PB | 12 |
| Sep 15 | Greenwich, Stamford, McMahon at TrumbullSep 15 · 2.9 Miles Varsity · Place 17 · Brien McMahon | 2.9 Miles Varsity | 17 | 22:37.08 PB | 12 |
2025 Cross Country
7 results| Date | Meet | Event | Pl | Mark | Gr |
| Oct 25 | CIAC Division ChampionshipsOct 25 · 5,000 Meters LL · Place 97 · Brien McMahon | 5,000 Meters LL | 97 | 24:17.65 PB | 11 |
| Oct 15 | FCIAC Cross Country ChampionshipsOct 15 · 5,000 Meters Varsity · Place 98 · Brien McMahon | 5,000 Meters Varsity | 98 | 24:22 | 11 |
| Oct 7 | Stamford, McMahon, Central at GreenwichOct 7 · 5,000 Meters Varsity · Place 16 · Brien McMahon | 5,000 Meters Varsity | 16 | 24:22.70 | 11 |
| Sep 30 | Staples, Norwalk, McMahon at New CanaanSep 30 · 5,000 Meters Varsity · Place 26 · Brien McMahon | 5,000 Meters Varsity | 26 | 25:24.23 | 11 |
| Sep 24 | Trumbull, McMahon, Westhill at WiltonSep 24 · 2.5 Miles Varsity · Place 27 · Brien McMahon | 2.5 Miles Varsity | 27 | 19:50.32 | 11 |
| Sep 16 | Darien, Ludlowe, McMahon at RidgefieldSep 16 · 4,190 Meters Varsity · Place 24 · Brien McMahon | 4,190 Meters Varsity | 24 | 21:24.70 PB | 11 |
| Sep 9 | St. Joe's, McMahon, Warde at DanburySep 9 · 4,000 Meters Varsity · Place 16 · Brien McMahon | 4,000 Meters Varsity | 16 | 21:02.80 | 11 |
2024 Cross Country
6 results| Date | Meet | Event | Pl | Mark | Gr |
| Oct 16 | FCIAC Cross Country ChampionshipsOct 16 · 5,000 Meters Varsity · Place 98 · Brien McMahon | 5,000 Meters Varsity | 98 | 24:08 PB | 10 |
| Oct 8 | McMahon, Stamford, Greenwich at St. Joe'sOct 8 · 5,000 Meters Varsity · Place 14 · Brien McMahon | 5,000 Meters Varsity | 14 | 25:34 | 10 |
| Oct 1 | Warde, McMahon, Staples at New CanaanOct 1 · 4,000 Meters Varsity · Place 42 · Brien McMahon | 4,000 Meters Varsity | 42 | 19:07.32 | 10 |
| Sep 24 | Ludlowe, McMahon, Central at TrumbullSep 24 · 5,000 Meters Varsity · Place 25 · Brien McMahon | 5,000 Meters Varsity | 25 | 25:49.29 | 10 |
| Sep 17 | Westhill, McMahon, Norwalk at DarienSep 17 · 2.56 Miles Varsity · Place 15 · Brien McMahon | 2.56 Miles Varsity | 15 | 20:16.30 | 10 |
| Sep 10 | Wilton, McMahon, Danbury at RidgefieldSep 10 · 2.61 Miles Varsity · Place 25 · Brien McMahon | 2.61 Miles Varsity | 25 | 22:30.23 | 10 |
2023 Cross Country
4 results