Time Athlete Competition Location Result Comments Date Age
46.52 Mike Willis Pacific Conference Games, trials Canberra 1 H1 CR Open, 2nd in the Final to John Fleming 20 December 1980 25
46.7 Mike Willis Pacific Conference Games, trials Canberra 2 F CR Open, 1st was Jim O'Sullivan (QLD) 29 October 1977 22
46.9* Kyle Vander-Kuyp A Grade Final Olympic Park 1 CR U20 2 March 1991 19
47.3* Darren Berntsen A Grade Olympic Park 2 CR U20, 1st was 1984 Aus Champ Bruce Frayne in 46.9 2 February 1984 19
47.31 Geoff Culbert Aus Champs Adelaide 5 Semi Finished 8th in the final 7 March 1992 23
47.5 Mike Willis Interclub Aberfeldie   CR Open 8 October 1977 22
47.7 Mike Willis Interclub Glenhuntly   CR Open 1 October 1977 22
47.75 Nic Davidson Vic Champs Open Olympic Park 4 F   12 February 2005 20
47.8 Mike Willis Pre season warm up meet Ringwood 3 CR Open, 1st was Rick Mitchell 1980 400m Olympic Siver 24 September 1977 22
47.84 Sam Jeffrey Bankwest GP Perth 5 1st was '97 & '99 Aus 400m Champion Brad Jamieson in 46.16, CR U19 24 January 1999 18
               
47.9 Mike Willis Interclub Olympic Park   CR Open 22 January 1977 21
48.01 Mark Holcombe   Melbourne 1   14 November 1996 23
48.03 Justin Clark   Olympic Park 1   9 February 1992 18
48.1 Thomas Sullivan         2008/09  
48.3 Mike Willis   Olympic Park   CR Open 20 November 1976 21
48.4 John Klabbers   Melbourne     29 January 1985 18
48.4 John De Coite         1987/88  
48.54 Mitchell Cromb Aus Champs U20 Adelaide 4 F   5 April 2009 18
48.60 Robert Lethbridge   QE II Park N.Z.   CR Open 26 January 1974 20
48.6 Mike Willis Interclub Olympic Park     13 November 1976 21
48.96 Gary Haasbroek QLD  U20 Decathlon Brisbane 1   6 January 2018 18
49.07 Zack Cossey Vic Champs U18 Albert Park 1 F PB & CR U17, running in Lane 1 25 February 2023 16
49.22 Dion Paull Vic Champs Open Albert Park 6 SF2 PB 28 February 2016 27
49.50 Cameron Moss Aus Champs Open Albert Park 7 H1   3 April 2014 19
49.5 Robert Lethbridge   Box Hill   CR Open, U20 22 January 1972 18
49.8* John Lethbridge Vic Champs Open Olympic Park 3 H6   10 February 1977  
49.8* Peter Bentley Vic Champs Open Olympic Park 3 H5   10 February 1977  
49.8 Ian McConnell   Olympic Park   CR Open, U20 6 March 1971 18
49.9 Ian McConnell   Olympic Park   CR Open, U20 7 February 1971 18
50.1 Ian McConnell   Olympic Park   CR Open, U20, U18 28 November 1970 17
50.8 John Bamford Vic Champs Open Olympic Park 2 H6   13 February 1971  
51.0* Bruce Sowter Vic Champs Open Olympic Park 5 H7   10 February 1977  
51.3* Keith Bumford Vic Champs Open Olympic Park 5 SF 1   11 February 1978  
51.83 Blake Dobay Vic Country Champs Open Geelong 10 F PB 26 January 2020 20
51.9* Bruce Sowter Vic Champs Open Olympic Park 4 H5 Age?? 22 February 1976  
51.97 Blake Dobay Vic Champs Open Lakeside 5 H4   28 February 2020 20
52.4* John Lethbridge Vic Champs Open Olympic Park 4 H1 Age?? 22 February 1976  
52.5* Tony Ham Vic Champs Decathlon Olympic Park 5 F During Decathlon 28 January 1979  
52.77 Sami Latu AVSL R05 Frankston   PB 18 November 2023 21
53.44 Stephen Dang AVSL R09 MountEvelyn   PB 4 February 2023 24
54.08 Rhys Williams Vic Champs Open MCG 8 R1 H8   17 February 2006 20
61.77 Tyran Heward AVSL R10 Albert Park   PB 12 February 2022 20
               
19 yo              
46.9 Kyle Vander-Kuyp A Grade Final Olympic Park 1 CR U20 2 March 1991 19
47.3 Darren Berntsen A Grade Olympic Park 2 CR U20, 1st was 1984 Aus Champ Bruce Frayne in 46.9 2 February 1984 19
47.6 Darren Berntsen A Grade Olympic Park 2 CR U20, 1st was 1984 Aus Champ 4th place getter Peter Stubbs in 47.4 21 January 1984 19
48.52 Geoff Culbert Vic Champs Open Olympic Park 4 SF1   6 March 1988 19
49.20 Gary Haasbroek World Junior Championships Finland 2 F Decathlon 10 July 2018 19
49.50 Cameron Moss Aus Champs Open Albert Park 7 H1   3 April 2014 19
50.4 Ian McConnell Vic Champs Open Olympic Park 2 H4   26 February 1972 19
50.1 Robert Lethbridge Vic Champs Dec. Olympic Park 1 F During Decathlon 28 January 1973 19
53.92 Lachlan Barrett Vic Champs Open Albert Park 6 H3 Good run in good conditions, from Lane 7. 2 March 2018 19
               
18 yo              
47.84 Sam Jeffrey Bankwest GP Perth 5 CR U19, 1st was '97 & '99 Aus 400m Champion Brad Jamieson in 46.16, CR U19 24 January 1999 18
48.03 Justin Clark   Olympic Park 1   9 February 1992 18
48.2 Geoff Culbert   Olympic Park     30 April 1987 18
48.2 Darren Berntsen PB Meet Olympic Park 2 CR U20, blocks slipped stumble start. 1st was 1982 Comm Games 3rd Gary Minihan in 47.1 6 January 1984 18
48.4 John Klabbers   Melbourne     29 January 1985 18
48.4 Darren Berntsen A Grade Olympic Park 2 CR U20, 1st was 1982 Comm Games bronze medallist Gary Minihan in 46.9 24 November 1983 18
48.5 Darren Berntsen A Grade Olympic Park 3 CR U20, 1st was 1976 Montreal 4 x 400m Olympian Don Hanly in 47.7 3 March 1983 18
48.54 Mitchell Cromb Aus Champs U20 Adelaide 4 F   5 April 2009 18
48.81 Darren Berntsen Pan Am Interantional (U20) Olympic Park 1 CR U20, won running from lane 8 27 January 1983 18
48.96 Gary Haasbroek QLD  U20 Decathlon Brisbane 1   6 January 2018 18
               
49.09 Darren Berntsen Vic vs NSW (U20) Olympic Park 2 CR U20, 1st was Aus U18 record holder Paul Dunne (Vic) by 0.54 and 3rd was Alan Ozolins (NSW). 16 January 1983 18
49.5 Robert Lethbridge   Box Hill   CR Open, U20 22 January 1972 18
49.8 Ian McConnell   Olympic Park   CR Open, U20 6 March 1971 18
49.9 Ian McConnell   Olympic Park   CR Open, U20 7 February 1971 18
50.0 Robert Lethbridge   Olympic Park   CR Open, U20 11 December 1971 18
50.24 Ethan Harris AVSL R05 Aberfeldie   PB 11 December 2021 18
51.54 Nichola Antonino Vic Champs U20 Albert Park 5 h2   2 March 2019 18
56.11 Jeremy Shum HV 02 Albert Park 5 H race PB 8 January 2022 18
57.22 Aaron Peter-Budge AVSL R1 Nunawading     5 October 2019 18
58.22 Bayley Graham AVSL R01 Glenhuntly     7 October 2023 18
               
17 yo              
48.88 Mitchell Cromb Vic Champs U20 Olympic Park 2 F CR U18 22 February 2009 17
49.1* John Klabbers   Olympic Park   CR U18 4 March 1984 17
49.45 Darren Berntsen Australian All Schools (U19) Hobart 5 F   11 December 1982 17
49.4 Darren Berntsen Vicictorian All Schools (U19) Olympic Park 3 F CR U18 & CR U20, 1st was Australian U18 and APS Open record holder Paul Dunne in 48.5 30 October 1982 17
49.88 Gary Haasbroek Vicictorian Multis Dec U20 Doncaster 1 F   4 February 2017 17
50.1 Ian McConnell   Olympic Park   CR Open, U20, U18 28 November 1970 17
51.72 Michael Chimenton Vic Champs U18 Olympic Park 4 H2   1 March 2009 17
51.81 Ethan Harris High Velocity R1 Box Hill     10 December 2020 17
51.98 Cameron Moss Vic Champs U20 Albert Park 5 H2   26 February 2012 17
52.25 Cameron Doggett Vic Champs U18 Olympic Park 4 H1 PB 1 March 2009  
               
52.42 Nichola Antonino Victorian All Schools U18 Albert Park 4 F   4 November 2018 17
52.44 Liam Shaw Vic Champs U18 Olympic Park 4 H1   16 February 2002 17
52.61 Frazer Parker AVSL R01 Glenhuntly   PB - Huge 7 October 2023 17
53.33 Dale Phillips Vic Champs U18 Olympic Park 2 H3   21 February 1998  
55.28 Hamish Hopkins AVSL R10 Albert Park   PB 12 February 2022 17
57.76 Bayley Graham AVSL R02 Glenhuntly   PB 15 October 2022 17
               
16 yo              
49.07 Zack Cossey Vic Champs U18 Albert Park 1 F PB & CR U17, running in Lane 1 25 February 2023 16
49.7 Mark Hoskin   Olympic Park   CR U17 17 February 1980 16
50.18 Ethan Harris Vic Champs U18 Lakeside 2 F   1 March 2020 16
50.44 Scott Mace Vic Champs U18 Doncaster 2 F 2nd by 0.42 4 February 2007 16
51.0 Mark Hoskin   Aberfeldie   CR U17 2 February 1980 16
51.1 Mark Hoskin   Doncaster   CR U17 18 October 1979 16
51.26 Tom Purcell Vic Champs U18 Olympic Park 1 H1   22 January 2006 16
51.61 Noah Thorpe HVC R05 Geelong PB (massive)   11 March 2023 16
51.68 Liam Shaw Vic Champs U17 Olympic Park 1 F   21 January 2001 16
51.8 Ian McConnell   Box Hill   CR U17 22 November 1969 16
               
52.0 Ian McConnell   Box Hill   CR U17 8 November 1969 16
52.15 Brendon Glidden-Green Vic Champs U18 Albert Park 2 H3   15 February 2014 16
52.91 Cameron Doggett Vic Champs U18 Olympic Park 5 F   24 February 2008  
53.39 Ben Sammartino Vic All Schools U17 Albert Park 4 F   6 November 2016 16
53.83 Michael Chimenton Vic Champs U18 Olympic Park 4 H3   24 February 2008 16
54.15 Darcy Hubbard Vic Champs U17 Olympic Park 5 F   27 February 2011  
55.10 Frazer Parker AVSL R09 MountEvelyn   PB by over 3 sec. 4 February 2023 16
55.40 Jack Cassidy Vic All Schools U18 Albert Park 5 h2   3 November 2017 16
56.99 Hamish Hopkins High Velocity R9 Knox     8 April 2021 16
57.56 Simon Lewis Vic Champs U18 Doncaster 6 H1   4 February 2007 16
57.90 Max Lacey Vic Champs U18 Olympic Park 7 H2   24 February 2008 16
61.62 Bayley Graham AVSL R04 Knox   PB 4 December 2021 16
               
15 yo              
50.03 Ethan Harris Aus Champs U17 Sydney 5 F CR U16 4 April 2019 15
50.89 Ethan Harris Vic Champs U17 Albert Park 3 F CR U16 3 March 2019 15
50.96 John Klabbers   Olympic Park   CR U16 14 January 1983 15
51.51 Paul Haasbroek Vic Champs U17 Albert Park 2 F   24 February 2018 15
51.2 John Klabbers   Olympic Park   CR U16    
51.48 Aaron Peter-Budge Vic Champs U17 Albert Park 4 F   25 February 2017 15
51.6 Mark Hoskin   Olympic Park   CR U16 18 February 1979 15
52.4 Ian McConnell   Olympic Park   CR U16 12 December 1968 15
52.54 Dale Walker Vic Champs U18 Olympic Park 3 H3   22 January 2006 15
53.02 Peter Costanzo AVSL R04 Knox   PB 4 December 2021 15
               
53.11 Nicholas Payne Vic Champs U17 Albert Park 7 F PB 15 February 2014 15
53.14 Mitchell Cromb Vic Champs U18 Doncaster 4 H2   4 February 2007 15
53.3 Lee Goucher            
53.37 James Thomas Vic Champs U16 Olympic Park 2 H2 (Thomson?) 21 February 1998  
53.93 Zack Cossey AVSL R06 Knox   PB 18 December 2021 15
54.43 Lachlan Barrett Vic Champs U17 Albert Park 2 H1 PB 15 February 2014 15
54.64 Simon Lewis Vic Champs U16 Olympic Park 1 H1   22 January 2006 15
55.0 P Hurst   Box Hill     11 December 1976 15
55.88 Cameron Bell Vic Champs U16 Olympic Park 4 H1   7 March 2004 15
55.91 Lester Long Vic Champs U17 Lakeside 7 H1   20 February 2021 15
57.34 Hamish Hopkins Vic Champs U17 Lakeside 6 H1   29 February 2020 15
59.15 Frazer Parker AVSL R04 Knox     4 December 2021 15
59.16 Remy Maclean High Velocity R3 Knox     23 January 2021 15
               
14 yo              
51.13 Dale Walker Aus All Schools U15 Sydney 5 F CR U15 10 December 2004  
51.4 John Klabbers   Olympic Park   CR U16 & U15 13 February 1981 14
52.8 John Klabbers   Olympic Park     19 December 1981 14
53.3 John Klabbers   Olympic Park     31 October 1981 14
53.35 Nathan Carr Vic Champs U16 Olympic Park 2 H2   7 March 2004 14
53.8 Mark Hoskin   Doncaster     2 November 1977 14
54.37 Matthew Sharrock Vic Champs U16 Olympic Park 2 H2   22 January 2006 14
54.95 Hudson McKay HV 02 Albert Park 2 H race PB 8 January 2022 14
55.69 Peter Costanzo Vic Champs U15 Albert Park 4 F   1 March 2020 14
56.73 Callum Settle AVSL Finals WE 1 Glenhuntly   PB by 3 seconds 18 March 2023 14
               
58.56 Thomas Linnett AVSL R03 Aberfeldie   PB 21 October 2023 14
59.16 Noah Thorpe AV Shield R5 Aberfeldie     16 January 2021 14
60.38 Dash Clarke AVSL R02 Glenhuntly   PB for Club 15 October 2022 14
               
13 yo              
54.9 Brett Appleton   Stawell   CR U14, Full 400m? Stawell?? 11 October 1980 13
56.0 Mark Hoskin   Doncaster   CR U14 12 March 1977 13
56.60 Peter Costanzo Aus Championships U14 Sydney 3 F PB 3 April 2019 13
58.75 Thomas Linnett AVSL R02 Glenhuntly   PB 15 October 2022 13
63.0 Brett Appleton   Doncaster     15 December 1979 13
66.57 Jack Field AVSL R01 Glenhuntly     7 October 2023 13
1:35.05 Brady Cochrane Aus Champs U15 Para Sydney 1 F PB T43 63.94% 17 April 2021 13
               
12 yo              
59.05 Aaron Peter-Budge Vic Champs U14 Albert Park 3 F CR U13 15 February 2014 12
60.2 Brendan Dixon   Doncaster   CR U13 5 December 1981 12
61.1 Brendan Dixon   Doncaster   CR U13 21 November 1981 12
61.2 Alistair Dunkinson   Ringwood   CR U13 30 November 1980  
61.48 Peter Costanzo Vic Champs U14 Albert Park 3 F   23 February 2018 12
62.1 Alistair Dunkinson   Doncaster   CR U13 18 October 1980  
63.6 Brett Appleton   Doncaster   CR U13 20 October 1979 12
66.06 Jack Field EMR U13 Doncaster 7 F PB 19 February 2023 12
66.5 J Saw   Doncaster   CR U14 & U13 18 November 1978  
68.10 Jack Field AVSL R09 Mount Evelyn   PB by over 2 secs. 4 February 2023 12
               
11 yo              
63.74 Noah Thorpe Vic Champs U14 Albert Park 5 F   23 February 2018 11