| 400 Meter Relay |
| Rank |
Mark |
2026 |
School |
Meet/Date |
| 1 |
46.02 |
|
Bradley Tech |
WIAA D1 State Finals @ La Crosse 6/4/2011 |
| 2 |
46.54 |
|
Milwaukee King |
WIAA D1 State Finals @ La Crosse 6/1/2007 |
| 3 |
46.6 |
|
Milwaukee King |
WIAA D1 State Prelims @ La Crosse 6/2/2017 |
| 4 |
46.61 |
x |
Hartland Arrowhead |
Classic 8 Relays @ Oak Creek 4/28/2026 |
| 5 |
46.94 |
|
Bradley Tech |
Ram Relays @ Pulaski Stadium 5/30/2008 |
| 6 |
47.05 |
x |
Mukwanago |
Classic 8 Relays @ Oak Creek 4/28/2026 |
| 7 |
47.12 |
|
Mukwanago |
WIAA D1 State Prelims @ La Crosse 6/6/2025 |
| 8 |
47.15 |
|
Bradley Tech |
Milwaukee City Relays @ WI Luth Coll 5/4/2010 |
| 9 |
47.42 |
|
Divine Savior Holy Angels |
WIAA D1 State Prelims @ La Crosse 5/31/2019 |
| 10 |
47.51 |
|
Hartland Arrowhead |
WIAA D1 State Prelims @ La Crosse 6/6/2025 |
| 11 |
47.63 |
|
Nicolet |
WIAA D1 State Prelims @ La Crosse 5/31/2019 |
| 12 |
47.74 |
|
Milwaukee King |
WIAA D1 State Prelims @ La Crosse 6/5/2009 |
| 13 |
47.8 |
|
Mukwonago |
WIAA DI State Prelims @ La Crosse 5/31/2024 |
| 14 |
47.81 |
|
Wauwatosa West |
Myrhum Invitational @ Hartland Arrowhead 5/7/2016 |
| 15 |
47.83 |
|
Bradley Tech |
Milw City Conf Meet @ WI Luth Coll 5/20/2009 |
| 16 |
47.87 |
|
Nicolet |
WIAA D1 State Prelims @ La Crosse 6/1/2018 |
| 17 |
47.93 |
|
Bradley Tech |
WIAA D1 State Prelims @ La Crosse 6/3/1994 |
| 18 |
47.96 |
x |
Appleton North |
DeMerit Invite @ Bay Port 5/8/2026 |
| 19 |
47.99 |
|
Waukesha South |
WIAA D1 State Finals @ La Crosse 6/4/2016 |
| 19 |
47.99 |
|
Neenah |
WIAA D1 State Prelims @ La Crosse 6/6/2025 |
| 21 |
48.03 |
|
Wauwatosa West |
Myrhum Invitational @Hartland Arrowhead 5/8/2015 |
| 21 |
48.03 |
|
Holmen |
WIAA D1 State Prelims @ La Crosse 6/6/2025 |
| 23 |
48.04 |
|
Sussex Hamilton |
WIAA D1 State Finals @ La Crosse 6/5/2010 |
| 23 |
48.04 |
x |
Pius XI |
Pre-Prom Party @ Wisconsin Lutheran 5/1/2026 |
| 25 |
48.15 |
|
Sussex Hamilton |
WIAA D1 State Finals @ La Crosse 6/4/2011 |
| 26 |
48.2 |
|
Milwaukee King |
Milwaukee City Conference Relays @ Pulaski 4/30/2013 |
| 27 |
48.23 |
|
Hartland Arrowhead |
Heimark/Northstar Invite @ Waukesha North 4/27/2024 |
| 28 |
48.24 |
|
Oshkosh West |
WIAA D1 State Prelims @ La Crosse 6/1/2018 |
| 29 |
48.25 |
|
Muskego |
WIAA D1 State Finals @ La Crosse 6/3/2023 |
| 30 |
48.27 |
|
Milwaukee King |
WIAA D1 State Prelims @ La Crosse 6/1/2018 |
| 30 |
48.27 |
|
Bay Port |
WIAA D1 State Finals @ La Crosse 6/3/2023 |
| 32 |
48.28 |
|
Milwaukee Marshall |
WIAA Class A State Prelims @ La Crosse 6/1/1990 |
| 32 |
48.28 |
|
Milwaukee King |
WIAA D1 State Finals @ La Crosse 5/29/2008 |
| 34 |
48.3 |
|
Wisconsin Lutheran |
Woodland West Relays @ West Allis Central 4/22/2025 |
| 35 |
48.31 |
|
Milwaukee King |
WIAA D1 State Finals @ La Crosse 6/4/2016 |
| 36 |
48.32 |
|
Bradley Tech |
WIAA D1 State Finals @ La Crosse 6/2/2007 |
| 37 |
48.33 |
|
Muskego |
WIAA D1 State Prelims @ La Crosse 5/31/2019 |
| 38 |
48.34 |
|
Milwaukee King |
WIAA Class A State Finals @ Madison 6/7/1986 |
| 38 |
48.34 |
|
Milwaukee King |
WIAA D1 State Finals @ La Crosse 6/7/2014 |
| 40 |
48.35 |
|
Hudson |
WIAA D1 State Finals @ La Crosse 6/4/2016 |
| 41 |
48.38 |
|
Appleton North |
WIAA D1 State Prelims @ La Crosse 6/6/2025 |
| 42 |
48.42 |
|
Kenosha Bradford |
WIAA D1 State Finals @ La Crosse 6/6/2015 |
| 43 |
48.44 |
|
Wauwatosa West |
WIAA D1 State Prelims @ La Crosse 6/6/2014 |
| 44 |
48.45 |
|
Oshkosh West |
WIAA D1 State Prelims @ La Crosse 5/31/2019 |
| 45 |
48.46 |
|
Waukesha South |
WIAA D1 Sectional @ West Allis Central 5/25/2017 |
| 46 |
48.5 |
|
Kenosha Bradford |
WIAA D1 State Finals @ La Crosse 6/4/2016 |
| 47 |
48.52 |
|
Onalaska |
WIAA DI State Prelims @ La Crosse 5/31/2024 |
| 47 |
48.52 |
|
West De Pere |
WIAA DI State FInals @ La Crosse 5/31/2024 |
| 47 |
48.52 |
|
Wauwatosa East |
WIAA D1 State Prelims @ La Crosse 6/6/2025 |
| 50 |
48.53 |
|
Hartland Arrowhead |
WIAA D1 State Finals @ La Crosse 6/5/2010 |
| 50 |
48.53 |
|
River Falls |
WIAA D1 State Prelims @ La Crosse 5/31/2019 |