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Diem Casselberry
Class of 2027 · Melissa, TX
High school track and field athlete profile
National rank · #3449
TX rank · #185
1 star ★☆☆☆☆
Main · 2000msc
Secondary · 2 Mile
Athlete overview
Graduation year
2027
Hometown
Melissa, TX
School / team
Melissa
Primary event
2000msc
Secondary event
2 Mile
Results tracked
91
Star rating
1
TRAX-Score
73.683
Top-End
73.8
Consistency
73.1
Versatility
73.6
Big Meet
75.2
Personal records
Best scored mark in each event across the athlete's complete performance history.
7 events
800m
PR
2:28.12
Outdoor · 2025
Event Score 61.4
1600m
PR
5:18.34
Outdoor · 2025
Event Score 68.6
Mile
PR
5:27.57
Outdoor · 2025
Event Score 64.2
3200m
PR
11:16.05
Outdoor · 2026
Event Score 71.9
2 Mile
PR
11:44.00
Cross Country · 2026
Event Score 65.7
5000m
PR
18:50.35
Cross Country · 2026
Event Score 66.0
2000mSC
PR
7:35.93
Outdoor · 2026
Event Score 72.4
Performance history
91 results shown
All events
All years
| Event | Mark | Event Score | Meet | Year | Season | Place |
|---|---|---|---|---|---|---|
| 2000mSC | 7:35.93 | 72.4 | Nike Outdoor Nationals | 2026 | Outdoor | 30 |
| 3200m | 11:16.05 | 71.9 | UIL 5A Region II & UIL 6A Region I | 2026 | Outdoor | 8 |
| 3200m | 11:16.05 | 71.9 | UIL 5A - Region 2 & UIL 6A - Region 1 | 2026 | Outdoor | 8 |
| 2000mSC | 7:41.57 | 70.5 | Antonian Mile and Steeple | 2026 | Outdoor | 3 |
| 1600m | 5:18.34 | 68.6 | North Texas Winter 1600m | 2025 | Outdoor | 13 |
| 2000mSC | 7:48.21 | 68.2 | Clyde Littlefield Texas Relays | 2026 | Outdoor | 10 |
| 3200m | 11:31.08 | 67.9 | W.T. White Longhorns Invitational | 2026 | Outdoor | 1 |
| 1600m | 5:19.84 | 67.7 | UIL 5A - District 9 | 2026 | Outdoor | 5 |
| 3200m | 11:32.66 | 67.5 | North Texas Winter 3200m/800m | 2025 | Outdoor | 18 |
| 1600m | 5:20.75 | 67.1 | North Texas 1600 | 2026 | Outdoor | 9 |
| 2000mSC | 7:51.45 | 67.1 | Lovejoy Spring Distance Festival | 2026 | Outdoor | 2 |
| 1600m | 5:21.73 | 66.5 | McKinney Boyd Relays | 2026 | Outdoor | 5 |
| 1600m | 5:21.74 | 66.5 | UIL 5A - Area 09 & 10 | 2025 | Outdoor | 5 |
| 3200m | 11:38.64 | 66 | UIL 5A - District 9 | 2026 | Outdoor | 4 |
| 5000m | 18:50.35 | 66 | DUBEast XC Invitational (FULL) | 2026 | Cross Country | 9 |
| 2 Mile | 11:44.00 | 65.7 | Rock Hill XC Opener - FULL | 2026 | Cross Country | 7 |
| 1600m | 5:23.40 | 65.5 | North Texas 1600m | 2025 | Outdoor | 51 |
| 3200m | 11:41.43 | 65.2 | UIL 5A - Area 09 & 10 | 2026 | Outdoor | 4 |
| 1600m | 5:24.08 | 65.1 | Clay Jones Memorial Relays (Full) | 2026 | Outdoor | 2 |
| 3200m | 11:43.18 | 64.8 | Aubrey Runnin' Chaps Relays - MEET IS FULL | 2025 | Outdoor | 1 |
| 3200m | 11:43.37 | 64.7 | Clay Jones Memorial Relays (Full) | 2026 | Outdoor | 2 |
| 1600m | 5:25.13 | 64.5 | Wylie East Last Chance Meet | 2026 | Outdoor | 1 |
| Mile | 5:27.57 | 64.2 | Lonestar Elite Invite | 2025 | Outdoor | 22 |
| 5000m | 19:03.93 | 63.9 | Texas Distance Festival Sponsored by Hoka | 2025 | Outdoor | 13 |
| 3200m | 11:47.41 | 63.7 | UIL 5A - Region 2 & UIL 6A - Region 1 | 2025 | Outdoor | 10 |
| 1600m | 5:26.76 | 63.6 | McKinney North Bulldog Relays | 2026 | Outdoor | 7 |
| 3200m | 11:47.95 | 63.6 | UIL 5A - Area 09 & 10 | 2025 | Outdoor | 4 |
| 1600m | 5:26.89 | 63.5 | UIL 5A - District 09 | 2025 | Outdoor | 4 |
| 5000m | 19:07.08 | 63.4 | Texas Distance Festival Sponsored by Hoka | 2026 | Outdoor | 15 |
| 3200m | 11:50.16 | 63 | Celina Relays (Meet is Full) | 2026 | Outdoor | 2 |
| 5000m | 19:10.40 | 62.9 | UIL Cross Country State Championship | 2025 | Cross Country | 42 |
| 5000m | 19:11.20 | 62.7 | Lovejoy XC Fall Festival | 2025 | Cross Country | 20 |
| 1600m | 5:28.37 | 62.6 | W.T. White Longhorns Invitational | 2026 | Outdoor | 1 |
| 5000m | 19:13.41 | 62.4 | UIL Region 2 Championship | 2025 | Cross Country | 0 |
| 1600m | 5:29.34 | 62 | Bobcat Relays (Meet is Full) | 2026 | Outdoor | 1 |
| 800m | 2:28.12 | 61.4 | Clay Jones Memorial Relays (Full) | 2025 | Outdoor | 1 |
| 1600m | 5:30.37 | 61.4 | Clay Jones Memorial Relays (Full) | 2025 | Outdoor | 2 |
| 5000m | 19:21.10 | 61.2 | NXR South Regional Championships | 2025 | Cross Country | 110 |
| 3200m | 11:58.03 | 61.1 | Braswell Bengal Relays | 2024 | Outdoor | 4 |
| 800m | 2:28.54 | 60.8 | Aubrey Runnin' Chaps Relays - MEET IS FULL | 2025 | Outdoor | 1 |
| 1600m | 5:31.43 | 60.8 | Pirate Invitational - FULL- | 2026 | Outdoor | 8 |
| 1600m | 5:31.69 | 60.7 | McKinney Boyd Relays | 2025 | Outdoor | 5 |
| 3200m | 11:59.34 | 60.7 | UIL 5A - District 09 | 2025 | Outdoor | 4 |
| 3200m | 11:59.53 | 60.7 | Celina Relays (Meet is Full) | 2025 | Outdoor | 6 |
| 1600m | 5:32.39 | 60.3 | Lovejoy Spring Distance Festival | 2025 | Outdoor | 10 |
| 1600m | 5:32.39 | 60.3 | Lovejoy Spring Distance Festival | 2025 | Outdoor | 10 |
| 1600m | 5:32.37 | 60.3 | Denton Ryan Invitational | 2025 | Outdoor | 1 |
| 5000m | 19:27.80 | 60.2 | Ken Gaston "Race at the Lake" Invitational Cross-Country Meet | 2024 | Cross Country | 9 |
| 3200m | 12:01.75 | 60.1 | Celina Relays | 2024 | Outdoor | 6 |
| 5000m | 19:28.26 | 60.1 | DUBEast XC Meet | 2024 | Cross Country | 8 |
| 1600m | 5:32.91 | 60 | Celina Relays (Meet is Full) | 2026 | Outdoor | 6 |
| 5000m | 19:29.00 | 60 | McKinney Boyd Bronco Stampede (MEET IS FULL) | 2024 | Cross Country | 1 |
| 5000m | 19:29.59 | 59.9 | DUBEast XC Invitational (9-6a Preview) | 2025 | Cross Country | 7 |
| 1600m | 5:33.24 | 59.8 | Celina Relays (Meet is Full) | 2025 | Outdoor | 5 |
| 3200m | 12:03.17 | 59.8 | Bobcat Relays (Meet is Full) | 2026 | Outdoor | 2 |
| 1600m | 5:33.45 | 59.7 | Lovejoy Spring Distance Festival | 2024 | Outdoor | 10 |
| 2 Mile | 12:08.00 | 59.7 | Rock Hill XC Opener - FULL | 2025 | Cross Country | 15 |
| 1600m | 5:33.85 | 59.4 | McKinney North Bulldog Relays | 2025 | Outdoor | 9 |
| 5000m | 19:33.60 | 59.3 | UIL 5A - District 09 | 2024 | Cross Country | 9 |
| 3200m | 12:05.71 | 59.2 | McKinney Boyd Relays | 2024 | Outdoor | 11 |
| 3200m | 12:05.90 | 59.1 | DUB East Rust Buster Relays | 2024 | Outdoor | 2 |
| 1600m | 5:35.28 | 58.6 | Aubrey Runnin' Chaps Relays - MEET IS FULL | 2025 | Outdoor | 2 |
| 1600m | 5:35.33 | 58.6 | Texas Distance Festival | 2024 | Outdoor | 118 |
| 1600m | 5:35.41 | 58.5 | Braswell Bengal Relays | 2024 | Outdoor | 7 |
| 5000m | 19:39.30 | 58.5 | UIL 5A - District 09 | 2025 | Cross Country | 4 |
| 1600m | 5:35.90 | 58.3 | UIL 5A - District 13 | 2024 | Outdoor | 8 |
| 3200m | 12:09.71 | 58.2 | Denton Ryan Invitational | 2025 | Outdoor | 1 |
| 5000m | 19:41.50 | 58.2 | Lovejoy XC Fall Festival | 2024 | Cross Country | 50 |
| 3200m | 12:11.49 | 57.7 | Rockin R Relays | 2025 | Outdoor | 4 |
| 1600m | 5:37.28 | 57.5 | Celina Relays | 2024 | Outdoor | 5 |
| 1600m | 5:39.80 | 56.1 | Van Alstyne Panther Relays | 2024 | Outdoor | 1 |
| 3200m | 12:19.25 | 55.9 | UIL 5A - District 13 | 2024 | Outdoor | 6 |
| 2 Mile | 12:24.00 | 55.8 | Plano ISD Invitational (2 Mile) | 2024 | Cross Country | 9 |
| 800m | 2:32.28 | 55.7 | Pirate Invitational - FULL- | 2026 | Outdoor | 5 |
| 3200m | 12:26.44 | 54.2 | The Colony Cross Country Kickoff (20 Team Limit) | 2026 | Cross Country | 1 |
| 5000m | 20:14.00 | 53.4 | Lovejoy XC Fall Festival | 2023 | Cross Country | 3 |
| 1600m | 5:44.95 | 53.2 | McKinney Boyd Relays | 2024 | Outdoor | 13 |
| 3200m | 12:30.30 | 53.2 | Van Alstyne Panther Relays | 2024 | Outdoor | 1 |
| 5000m | 20:18.44 | 52.8 | Denison Invitational | 2024 | Cross Country | 3 |
| 800m | 2:35.39 | 51.6 | McKinney North Bulldog Relays | 2025 | Outdoor | 15 |
| 800m | 2:35.77 | 51.1 | North Texas Winter 3200m/800m | 2024 | Outdoor | 30 |
| 2 Mile | 12:46.00 | 50.7 | Plano ISD Invitational (2 Mile) | 2025 | Cross Country | 10 |
| 2 Mile | 12:46.60 | 50.5 | Rock Hill Twilight XC Invitational | 2023 | Cross Country | 5 |
| 5000m | 20:38.90 | 49.9 | Marcus Coach T Invitational | 2023 | Cross Country | 15 |
| 5000m | 20:54.37 | 47.8 | UIL Region 2 & UIL 1A Region 3 XC Championship | 2024 | Cross Country | 56 |
| 5000m | 20:57.90 | 47.3 | NXR South Regional Championships | 2024 | Cross Country | 19 |
| 5000m | 20:59.00 | 47.1 | Ken Gaston "Race at the Lake" Invitational Cross-Country Meet | 2023 | Cross Country | 46 |
| 5000m | 21:22.90 | 43.9 | UIL 5A - District 13 | 2023 | Cross Country | 15 |
| 3200m | 14:02.69 | 33.4 | Denison Invitational | 2022 | Cross Country | 4 |
| 3200m | 14:34.00 | 27.5 | NTX Middle School District Cross Country Meet | 2021 | Cross Country | 9 |
| 3200m | 15:29.24 | 18.2 | Denison Invitational | 2021 | Cross Country | 20 |
