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Isabelle Monaghan
Class of 2027 · Newton, MA
High school track and field athlete profile
National rank · #880
MA rank · #24
3 stars ★★★☆☆
Main · Mile
Secondary · 800m
Athlete overview
Graduation year
2027
Hometown
Newton, MA
School / team
Newton South High School
Primary event
Mile
Secondary event
800m
Results tracked
57
Star rating
3
TRAX-Score
80.741
Top-End
81.0
Consistency
79.9
Versatility
79.5
Big Meet
84.7
Personal records
Best scored mark in each event across the athlete's complete performance history.
8 events
800m
PR
2:16.20
Outdoor · 2026
Event Score 79.1
1000m
PR
3:08.29
Indoor · 2026
Event Score 70.4
1500m
PR
4:41.79
Outdoor · 2025
Event Score 79.3
1600m
PR
5:07.39
Outdoor · 2026
Event Score 75.4
Mile
PR
4:59.64
Outdoor · 2025
Event Score 81.6
3000m
PR
11:33.00
Cross Country · 2025
Event Score 55.3
2 Mile
PR
11:20.89
Indoor · 2026
Event Score 73.4
5000m
PR
19:01.00
Cross Country · 2025
Event Score 64.3
Performance history
57 results shown
All events
All years
| Event | Mark | Event Score | Meet | Year | Season | Place |
|---|---|---|---|---|---|---|
| Mile | 4:59.64 | 81.6 | MIAA Meet of Champions | 2025 | Outdoor | 8 |
| Mile | 5:01.56 | 80.3 | MIAA Meet of Champions | 2026 | Outdoor | 11 |
| 1500m | 4:41.79 | 79.3 | New Balance Nationals Outdoor | 2025 | Outdoor | 103 |
| Mile | 5:03.23 | 79.2 | New Balance Nationals Outdoor | 2025 | Outdoor | 104 |
| 800m | 2:16.20 | 79.1 | MIAA Division 1 Track & Field Championship - 2026 | 2026 | Outdoor | 6 |
| Mile | 5:08.73 | 78.4 | DCL Dual Meets #5 | 2026 | Indoor | 3 |
| Mile | 5:05.09 | 78 | MIAA Division 1 Track & Field Championship | 2025 | Outdoor | 9 |
| 800m | 2:17.07 | 77.7 | MIAA Meet of Champions | 2026 | Outdoor | 22 |
| Mile | 5:06.75 | 77 | Dual County League Championship | 2025 | Outdoor | 3 |
| Mile | 5:11.09 | 76.9 | Dual County League Championship Meet | 2026 | Indoor | 3 |
| Mile | 5:07.09 | 76.8 | MIAA Division 1 Track & Field Championship - 2026 | 2026 | Outdoor | 9 |
| Mile | 5:11.50 | 76.6 | New Balance Nationals Indoor | 2026 | Indoor | 163 |
| Mile | 5:11.98 | 76.3 | MIAA Indoor Track & Field Meet of Champions | 2025 | Indoor | 7 |
| 800m | 2:18.32 | 75.8 | MSTCA Coaches Metro Invitational | 2026 | Outdoor | 4 |
| Mile | 5:12.96 | 75.7 | MIAA Division 1 Indoor Track & Field Championship | 2026 | Indoor | 9 |
| Mile | 5:12.96 | 75.7 | MIAA Division 1 Indoor Track & Field Championship | 2025 | Indoor | 9 |
| 1600m | 5:07.39 | 75.4 | New England Track & Field Championship | 2026 | Outdoor | 15 |
| Mile | 5:14.04 | 75 | DCL Dual Meets #3T | 2026 | Indoor | 3 |
| Mile | 5:11.23 | 74.2 | Weston Twilight Invitational - Regis Events | 2025 | Outdoor | 10 |
| Mile | 5:15.32 | 74.2 | DCL Dual Meets #2T | 2026 | Indoor | 2 |
| 2 Mile | 11:20.89 | 73.4 | DCL Dual Meets #1T | 2026 | Indoor | 2 |
| Mile | 5:12.92 | 73.1 | Dual County League Championships | 2026 | Outdoor | 5 |
| 1600m | 5:11.54 | 72.8 | Nike Outdoor Nationals | 2024 | Outdoor | 7 |
| Mile | 5:13.44 | 72.8 | Nike Outdoor Nationals | 2024 | Outdoor | 7 |
| Mile | 5:17.55 | 72.8 | MSTCA Qualifier Meet | 2025 | Indoor | 4 |
| Mile | 5:18.17 | 72.5 | DCL Thorpe Division Championship | 2025 | Indoor | 3 |
| 1500m | 4:52.00 | 72.4 | Nike Outdoor Nationals | 2024 | Outdoor | 6 |
| Mile | 5:14.70 | 72 | Andover Boosters Invitational | 2025 | Outdoor | 4 |
| 800m | 2:24.64 | 71.5 | New Balance Nationals Indoor | 2024 | Indoor | 35 |
| Mile | 5:16.20 | 71.1 | Dual County League Championship | 2024 | Outdoor | 7 |
| Mile | 5:16.42 | 70.9 | Westford & NS at AB | 2026 | Outdoor | 1 |
| 1000m | 3:08.29 | 70.4 | DCL Dual Meets #4 | 2026 | Indoor | 2 |
| 800m | 2:22.01 | 70.2 | MIAA Division 1 Track & Field Championship | 2024 | Outdoor | 15 |
| 800m | 2:22.47 | 69.5 | NS vs CRL vs BLS | 2026 | Outdoor | 1 |
| 1000m | 3:09.06 | 69.5 | MIAA Division 1 Indoor Track & Field Championship | 2024 | Indoor | 11 |
| Mile | 5:20.07 | 68.7 | MSTCA Jim Hoar Frosh-Soph Invitational | 2024 | Outdoor | 3 |
| Mile | 5:20.26 | 68.6 | Andover Boosters Invitational | 2024 | Outdoor | 9 |
| 800m | 2:23.54 | 68 | Westford Academy vs Newton South | 2025 | Outdoor | 2 |
| 2 Mile | 11:34.95 | 68 | Weston v Lincoln-Sudbury & Newton South | 2026 | Outdoor | 1 |
| Mile | 5:21.75 | 67.7 | DCL # 4 NS vs WA | 2024 | Outdoor | 1 |
| Mile | 5:22.87 | 67 | DCL Newton south Vs Weston Vs Lincoln Sudbury | 2025 | Outdoor | 1 |
| Mile | 5:27.30 | 66.9 | Dual County League Dual Meets Set #4 | 2025 | Indoor | 3 |
| 2 Mile | 11:46.99 | 66.5 | Dual County League Championship Meet | 2026 | Indoor | 2 |
| 800m | 2:25.07 | 65.7 | DCL #3 NS Vs CC | 2024 | Outdoor | 1 |
| Mile | 5:29.44 | 65.7 | Dual County League Dual Meets Set #3 | 2025 | Indoor | 3 |
| 1000m | 3:12.84 | 65.6 | Dual County League Indoor Track & Field Championship | 2024 | Indoor | 7 |
| 1000m | 3:13.62 | 64.8 | MSTCA Freshman-Sophomore Meet (Large Schools) | 2025 | Indoor | 3 |
| 5000m | 19:01.00 | 64.3 | MSTCA Bay State Invitational | 2025 | Cross Country | 9 |
| 5000m | 19:05.00 | 63.7 | MIAA Division 1A-1B-1C | 2025 | Cross Country | 15 |
| 1000m | 3:15.86 | 62.5 | Dual County Meet #4 | 2024 | Indoor | 4 |
| Mile | 5:31.60 | 61.9 | NS vs CC DCL League Meet #4 | 2025 | Outdoor | 1 |
| 5000m | 19:23.24 | 60.9 | MIAA Meet of Champions | 2025 | Cross Country | 29 |
| 5000m | 19:27.30 | 60.3 | Dual County League Championship | 2025 | Cross Country | 8 |
| 5000m | 20:00.00 | 55.4 | 62nd Catholic Memorial Invitational | 2023 | Cross Country | 12 |
| 3000m | 11:33.00 | 55.3 | DCL Kickoff Meet 3 | 2025 | Cross Country | 1 |
| 5000m | 20:02.80 | 55 | Dual County League Championship | 2024 | Cross Country | 7 |
| 5000m | 20:07.03 | 54.4 | MSTCA Dick Atkinson Invitational | 2024 | Cross Country | 2 |
