Mackenzie Seiworth
2025 Graduate · Girls
1:14.60
400M
4:45.51
4x400M Relay
1
PRs
0
Records
Personal Bests
Outdoor
| Event | Best | Pct | All-time rank |
|---|---|---|---|
| 400M | 1:14.60 | 12th 12th percentile of program history — far below median |
Relays
| Event | Best | Pct | All-time rank |
|---|---|---|---|
|
4x200M Relay
|
2:10.84 | 1st 1st percentile of program history — far below median | |
|
4x400M Relay
|
4:45.51 | 19th 19th percentile of program history — below median |
Career Progression
400M — Outdoor
Your marks
Career best
Record: 55.56
Program median: 1:06.44
Middle 50% of program
Career Best
1:14.60
Improvement
—
Percentile
12th
Off the Record
19.04s
Performance by Season
Outdoor
400M
1:14.60
PR
| Mark | Meet | Δ |
|---|---|---|
|
1:15.82
|
2022 Smithie Frosh-Soph Invitational | +1.22s |
|
1:14.72
|
2022 Black River Dual | +0.12s |
|
1:14.60
PR
|
2022 Ravenna-Streetsboro Double Dual |
4x200M Relay
2:10.84
| Mark | Meet | Δ |
|---|---|---|
|
2:10.84
|
2022 Smithie Frosh-Soph Invitational |
4x400M Relay
4:45.51
| Mark | Meet | Δ |
|---|---|---|
|
4:49.36
|
2022 Smithie Frosh-Soph Invitational | +3.85s |
|
6:09.40
|
2022 Black River Dual | +1:23.89 |
|
4:45.51
|
2022 Ravenna-Streetsboro Double Dual |