Sebastian Kaczmarski
Class of 2029 · Lake Zurich, IL
High school track and field athlete profile
Athlete overview
Graduation year
2029
Hometown
Lake Zurich, IL
School / team
Lake Zurich
Primary event
2 Mile
Secondary event
Mile
Results tracked
34
Star rating
0
TRAX-Score
53.024
Top-End
54.7
Consistency
51.3
Versatility
51.8
Big Meet
54.0
Personal records
Best scored mark in each event across the athlete's complete performance history.
7 events
400m
PR
1:06.55
Indoor · 2025
Event Score 9.3
800m
PR
2:20.18
Outdoor · 2026
Event Score 24.6
1600m
PR
4:57.14
Indoor · 2026
Event Score 39.7
3000m
PR
11:48.70
Cross Country · 2023
Event Score 4.0
3200m
PR
10:14.18
Outdoor · 2026
Event Score 47.9
2 Mile
PR
11:20.90
Cross Country · 2024
Event Score 25.2
5000m
PR
17:23.75
Cross Country · 2025
Event Score 33.6
Performance history
34 results shown
| Event | Mark | Event Score | Meet | Year | Season | Place |
|---|---|---|---|---|---|---|
| 3200m | 10:14.18 | 47.9 | NSC Boys Championships | 2026 | Outdoor | 4 |
| 3200m | 10:21.91 | 44.8 | Glenbrook North Spartan Invite | 2026 | Outdoor | 10 |
| 3200m | 10:37.17 | 41 | Lakes Clash at the Coliseum | 2026 | Indoor | 41 |
| 3200m | 10:33.24 | 40.4 | New Trier Lawn Chair Invitational | 2026 | Outdoor | 5 |
| 1600m | 4:57.14 | 39.7 | NSC Boys Championships | 2026 | Indoor | 2 |
| 3200m | 10:40.71 | 39.7 | Jerry Lowe Boys Invitational | 2026 | Indoor | 6 |
| 5000m | 17:23.75 | 33.6 | NXR Midwest Regional Championships | 2025 | Cross Country | 61 |
| 1600m | 5:04.55 | 31.4 | NSC Week 3 Boys Quad A/C @ Lake Zurich | 2026 | Outdoor | 3 |
| 2 Mile | 11:20.90 | 25.2 | IESA 3A Sectional | 2024 | Cross Country | 5 |
| 1600m | 5:13.60 | 24.8 | Last Chance Lake County Invitational | 2025 | Outdoor | 1 |
| 800m | 2:20.18 | 24.6 | NSC Week 2 Boys Quad A/B @ Mundelein | 2026 | Outdoor | 8 |
| 1600m | 5:14.64 | 24 | Ross Gantt MEET | 2025 | Outdoor | 3 |
| 1600m | 5:17.22 | 22.3 | IESA 4A - Sectional 2 @ Wheeling HS | 2025 | Outdoor | 3 |
| 1600m | 5:19.49 | 20.7 | SMSC Conference Championships | 2025 | Outdoor | 2 |
| 1600m | 5:21.08 | 19.7 | 7th Annual Keith Zawila Invitational | 2025 | Outdoor | 2 |
| 800m | 2:27.28 | 16.6 | Midwest Youth Indoor Championship | 2025 | Indoor | 10 |
| 2 Mile | 12:00.62 | 13.8 | IESA State XC Championships | 2024 | Cross Country | 88 |
| 800m | 2:27.80 | 13.1 | Last Chance Lake County Invitational | 2025 | Outdoor | 3 |
| 800m | 2:29.90 | 12.9 | Illinois Meet of Champions - Middle School | 2025 | Indoor | 22 |
| 2 Mile | 12:07.70 | 12 | Hawthorn XC Invite | 2024 | Cross Country | 10 |
| 800m | 2:29.07 | 11.5 | Ross Gantt MEET | 2025 | Outdoor | 4 |
| 400m | 1:06.55 | 9.3 | Illinois Meet of Champions - Middle School | 2025 | Indoor | 23 |
| 800m | 2:31.38 | 8.6 | SMSC Conference Championships | 2025 | Outdoor | 5 |
| 3000m | 11:48.70 | 4 | USATF JO Cross Country Championship | 2023 | Cross Country | 230 |
| 2 Mile | 12:43.54 | 4 | Prairie Stampede | 2024 | Cross Country | 56 |
| 1600m | 5:50.37 | 3.7 | Midwest Track and Field Club Championships | 2024 | Outdoor | 12 |
| 1600m | 5:58.60 | 0.3 | Palatine Pack Summer Meet | 2024 | Outdoor | 17 |
| 800m | 2:43.12 | -2.9 | 6th Annual Keith Zawila Invitational Track & Field Meet | 2024 | Outdoor | 5 |
| 1600m | 6:12.95 | -4.2 | Palatine Pack Co-Ed Indoor Invitational | 2023 | Indoor | 22 |
| 2 Mile | 13:40.11 | -5 | Palatine Pack No Frills | 2024 | Cross Country | 21 |
| 800m | 2:46.88 | -5.5 | Midwest Track and Field Club Championships | 2024 | Outdoor | 17 |
| 800m | 2:51.78 | -7.9 | Palatine Pack Early Summer Meet | 2023 | Outdoor | 18 |
| 3000m | 13:34.40 | -9.5 | USATF Illinois Association Junior Olympic and Open Championships | 2022 | Cross Country | 24 |
| 3000m | 13:56.60 | -9.9 | USATF Region 7 JO | 2022 | Cross Country | 29 |

