Liam Nielsen
Class of 2027 · Sioux Falls, SD
High school track and field athlete profile
Athlete overview
Graduation year
2027
Hometown
Sioux Falls, SD
School / team
Sioux Falls Roosevelt High School
Primary event
800m
Secondary event
400m
Results tracked
40
Star rating
0
TRAX-Score
52.623
Top-End
53.4
Consistency
51.8
Versatility
53.4
Big Meet
50.5
Personal records
Best scored mark in each event across the athlete's complete performance history.
7 events
200m
PR
26.65
Outdoor · 2025
Event Score 34.0
400m
PR
57.32
Outdoor · 2025
Event Score 43.1
800m
PR
2:10.10
Outdoor · 2025
Event Score 43.3
1600m
PR
5:03.08
Indoor · 2026
Event Score 34.7
3000m
PR
12:02.06
Cross Country · 2023
Event Score 1.3
3200m
PR
11:09.39
Outdoor · 2025
Event Score 27.6
5000m
PR
16:44.30
Cross Country · 2025
Event Score 42.7
Performance history
40 results shown
| Event | Mark | Event Score | Meet | Year | Season | Place |
|---|---|---|---|---|---|---|
| 800m | 2:10.10 | 43.3 | Harrisburg Quad | 2025 | Outdoor | 7 |
| 400m | 57.32 | 43.1 | Brandon JV Meet | 2025 | Outdoor | 18 |
| 5000m | 16:44.30 | 42.7 | Border Battle | 2025 | Cross Country | 43 |
| 400m | 57.80 | 41 | Ruth Marske Invitational | 2026 | Indoor | 55 |
| 5000m | 16:57.05 | 39.7 | SDHSAA Class AA State Cross Country Meet | 2025 | Cross Country | 35 |
| 800m | 2:12.03 | 39.4 | Sioux Falls Roosevelt Quad | 2025 | Outdoor | 8 |
| 5000m | 17:09.90 | 36.7 | Metro Conference Championships | 2025 | Cross Country | 17 |
| 5000m | 17:16.68 | 35.2 | Luverne Cross Country Meet | 2025 | Cross Country | 1 |
| 1600m | 5:03.08 | 34.7 | Ruth Marske Invitational | 2026 | Indoor | 36 |
| 200m | 26.65 | 34 | Sioux Falls Lincoln Quad | 2025 | Outdoor | 41 |
| 1600m | 5:04.81 | 33.3 | Ruth Marske Invitational | 2025 | Indoor | 43 |
| 1600m | 5:04.16 | 31.7 | O'Gorman Invite | 2025 | Outdoor | 27 |
| 400m | 1:00.36 | 30.2 | Sioux Falls Roosevelt Quad | 2024 | Outdoor | 45 |
| 5000m | 17:39.90 | 30.1 | Heartland Preview | 2025 | Cross Country | 64 |
| 400m | 1:00.86 | 28.2 | Sioux Falls Roosevelt Quad | 2025 | Outdoor | 38 |
| 3200m | 11:09.39 | 27.6 | Brandon JV Meet | 2025 | Outdoor | 1 |
| 5000m | 17:52.36 | 27.5 | Lyle Moeller Invite | 2025 | Cross Country | 24 |
| 5000m | 17:58.50 | 26.3 | NXR Heartland Regional Championships | 2025 | Cross Country | 52 |
| 3200m | 11:21.18 | 23.9 | Brandon Invite | 2025 | Outdoor | 12 |
| 1600m | 5:20.54 | 20 | Sioux Falls Roosevelt Quad | 2024 | Outdoor | 17 |
| 5000m | 18:42.80 | 18 | Nike Cross Nationals Heartland Regional | 2024 | Cross Country | 169 |
| 5000m | 18:48.10 | 17 | Metro Conference Championships | 2024 | Cross Country | 9 |
| 5000m | 18:48.70 | 16.9 | Border Battle | 2024 | Cross Country | 61 |
| 1600m | 5:26.74 | 16.1 | Brandon Quad | 2024 | Outdoor | 26 |
| 1600m | 5:29.60 | 14.4 | Rich Greeno Meet | 2024 | Outdoor | 22 |
| 5000m | 19:08.15 | 13.7 | Norfolk Lyle Moeller Invite | 2024 | Cross Country | 4 |
| 800m | 2:28.41 | 12.3 | Rich Greeno Meet | 2024 | Outdoor | 19 |
| 5000m | 19:27.38 | 10.6 | Mack Butler Invitational XC Meet | 2024 | Cross Country | 37 |
| 1600m | 5:39.36 | 9 | Sioux Falls Washington Quad | 2024 | Outdoor | 24 |
| 3200m | 12:15.75 | 9 | Harrisburg Quad | 2024 | Outdoor | 11 |
| 5000m | 19:55.10 | 6.7 | Metro Conference Championships | 2023 | Cross Country | 31 |
| 1600m | 5:50.49 | 3.7 | Brandon Metro JV Meet | 2024 | Outdoor | 27 |
| 800m | 2:36.28 | 3.1 | Sioux Falls Washington Quad | 2024 | Outdoor | 27 |
| 5000m | 20:29.49 | 2.3 | Luverne Invite | 2023 | Cross Country | 8 |
| 800m | 2:37.73 | 1.7 | Mount Marty Class A HS Meet | 2024 | Outdoor | 48 |
| 5000m | 20:35.20 | 1.7 | Nike Heartland Preview | 2023 | Cross Country | 122 |
| 800m | 2:38.15 | 1.3 | Brandon Metro JV Meet | 2024 | Outdoor | 26 |
| 3000m | 12:02.06 | 1.3 | Augustana Twilight XC Meet | 2023 | Cross Country | 201 |
| 5000m | 20:57.70 | -0.8 | ND/MN/SD/Canada XC Border Battle | 2023 | Cross Country | 138 |
| 5000m | 21:10.24 | -2 | Lyle Moeller XC Invite | 2023 | Cross Country | 48 |
