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Leon Marchand

Franceb. 2002 (24)

World record swims in available results

Personal Bests

Best times from available individual swims and official relay lead-offs; career coverage may be incomplete. Select an event to show its progression.

200 Freestyle

2026 European Aquatics Championships — Swimming · Paris La Défense Arena, Paris (FRA) · Date unavailable

1:43.76relay lead-off

400 Freestyle

2026 TYR Pro Swim Series - Westmont · Westmont, United States of America · Date unavailable

3:48.79

200 Backstroke

2026 TYR Pro Swim Series - Westmont · Westmont, United States of America · Date unavailable

1:57.56

100 Breaststroke

2019 7th FINA World Junior Swimming Championships · Budapest · Date unavailable

1:02.38

2024 Olympic Games Paris · Date unavailable

OR2:05.85

2024 Olympic Games Paris · Date unavailable

OR1:51.21

2025 World Championships · 30 Jul 2025

WR1:52.69

2023 World Championships · 23 Jul 2023

WR4:02.50

All Results 121 swims · 20 meets

2026 TYR Pro Swim Series - Westmont · Westmont, United States of America

Race dates unavailable.

200 Freestyle LCM
Final61:47.12
200 Freestyle LCM
Heat41:47.72
200 Backstroke LCM
Final11:57.56
200 Backstroke LCM
Heat62:01.52
200 Breaststroke LCM
Final12:10.06
200 Breaststroke LCM
Heat62:15.09
400 Freestyle LCM
Final43:48.79
400 Freestyle LCM
Heat83:56.27

2025 World Aquatics Swimming World Cup · Carmel

Race dates unavailable.

200 Freestyle SCM
Heat31:43.48
200 Backstroke SCM
Final21:47.68
200 IM SCM
Final21:49.73
200 Backstroke SCM
Heat31:52.81
200 IM SCM
Heat11:54.29
200 Breaststroke SCM
Final22:02.00
200 Breaststroke SCM
Heat32:06.41
400 Freestyle SCM
Heat13:38.25

2025 World Championships

200 IM LCM30 Jul 2025
——WR1:52.69

2024 World Aquatics Swimming World Cup · Singapore

Race dates unavailable.

100 IM SCM
Final149.92
100 IM SCM
Heat152.53
200 Freestyle SCM
Final21:40.91
200 Freestyle SCM
Heat21:43.09
200 IM SCM
Final11:48.88
200 IM SCM
Heat11:55.61
400 IM SCM
Final13:58.45
100 Freestyle SCM
Heat—DNS
400 Freestyle SCM
Heat—DNS
200 Breaststroke SCM
Heat—DNS

2024 World Cup

200 IM SCM1 Nov 2024
——WR1:48.88

2024 World Aquatics Swimming World Cup · Incheon

Race dates unavailable for some swims.

100 Freestyle SCM
Heat147.46
100 IM SCM
Final151.00
100 IM SCM
Heat152.84
200 IM SCM26 Oct 2024
——1:50.91
200 IM SCM
Final11:50.91
200 IM SCM
Heat11:54.17
400 IM SCM26 Oct 2024
——3:58.30
400 IM SCM
Final13:58.30
200 Freestyle SCM
Heat—DNS
200 Breaststroke SCM
Heat—DNS

2024 World Aquatics Swimming World Cup · Shanghai

Race dates unavailable.

100 IM SCM
Final150.65
100 IM SCM
Heat151.65
200 IM SCM
Final11:50.30
200 IM SCM
Heat11:53.53
200 Breaststroke SCM
Final42:02.99
200 Breaststroke SCM
Heat12:06.68
400 IM SCM
Final14:00.03
100 Freestyle SCM
Heat—DNS

2024 Olympic Games Paris

Race dates unavailable.

200 Butterfly LCM
Final11:51.21
200 Butterfly LCM
Semifinal11:53.50
200 IM LCM
Final11:54.06
200 Butterfly LCM
Heat21:55.26
200 IM LCM
Semifinal11:56.31
200 IM LCM
Heat21:57.86
200 Breaststroke LCM
Final12:05.85
200 Breaststroke LCM
Semifinal12:08.11
200 Breaststroke LCM
Heat22:09.55
400 IM LCM
Final14:02.95
400 IM LCM
Heat14:08.30

2024 NCAA Division I

200y Breaststroke SCY30 Mar 2024
——1:46.35
500y Freestyle SCY28 Mar 2024
——4:02.31

2024 NCAA Division I Men's Swimming & Diving Championships

200y Breaststroke SCY27 Mar 2024
Championship Final11:46.35
200y Breaststroke SCY27 Mar 2024
Preliminary31:50.76
400y IM SCY27 Mar 2024
Championship Final13:32.12
400y IM SCY27 Mar 2024
Preliminary13:35.75
500y Freestyle SCY27 Mar 2024
Championship Final14:02.31
500y Freestyle SCY27 Mar 2024
Preliminary24:09.54

2023 World Aquatics Championships - Fukuoka

Race dates unavailable for some swims.

200 Butterfly LCM
Final11:52.43
200 Butterfly LCM
Semifinal21:54.21
200 IM LCM
Final11:54.82
200 Butterfly LCM
Heat71:55.46
200 IM LCM
Semifinal11:56.34
200 IM LCM
Heat91:58.38
400 IM LCM
Final14:02.50
400 IM LCM
Heat24:10.88
200 Breaststroke LCM
Heat—DNS
200 IM LCM27 Jul 2023
——1:54.82

2023 World Championships

400 IM LCM23 Jul 2023
——WR4:02.50

2023 NCAA Division I

400y IM SCY24 Mar 2023
——3:28.82
200y IM SCY23 Mar 2023
——1:36.34

2023 NCAA Division I Men's Swimming & Diving Championships

200y IM SCY22 Mar 2023
Championship Final11:36.34
200y IM SCY22 Mar 2023
Preliminary21:38.33
200y Breaststroke SCY22 Mar 2023
Championship Final11:46.91
200y Breaststroke SCY22 Mar 2023
Preliminary11:49.64
400y IM SCY22 Mar 2023
Championship Final13:28.82
400y IM SCY22 Mar 2023
Preliminary13:34.47

2022 19th FINA World Championships Budapest

Race dates unavailable for some swims.

200 Butterfly LCM
Final21:53.37
200 Butterfly LCM
Semifinal21:54.32
200 IM LCM3 Jul 2022
——1:55.22
200 IM LCM
Final11:55.22
200 IM LCM
Semifinal11:55.75
200 Butterfly LCM
Heat41:56.38
200 IM LCM
Heat31:58.70
400 IM LCM
Final14:04.28
400 IM LCM
Heat14:09.09

2022 TYR Pro Swim Series - Mission Viejo · San Antonio, United States of America

Race dates unavailable.

200 Butterfly LCM
Final—X1:56.54
200 Butterfly LCM
Heat—X1:57.21

2022 TYR Pro Swim Series - San Antonio · San Antonio, United States of America

Race dates unavailable.

200 IM LCM
Final21:56.95
200 IM LCM
Heat21:59.72
200 Breaststroke LCM
Final12:09.24
200 Breaststroke LCM
Heat12:11.71
400 IM LCM
Final14:10.38
400 IM LCM
Heat14:17.80

2022 NCAA Division I Men's Swimming & Diving Championships

200y IM SCY23 Mar 2022
Championship Final11:37.69
200y IM SCY23 Mar 2022
Preliminary21:38.83
200y Breaststroke SCY23 Mar 2022
Championship Final11:48.20
200y Breaststroke SCY23 Mar 2022
Preliminary31:50.38
400y IM SCY23 Mar 2022
Championship Final23:34.08
400y IM SCY23 Mar 2022
Preliminary53:37.97

2020 Olympic Games Tokyo

Race dates unavailable.

200 Butterfly LCM
Semifinal81:55.68
200 Butterfly LCM
Heat51:55.85
200 IM LCM
Heat61:58.30
400 IM LCM
Heat44:10.09
400 IM LCM
Final64:11.16

2019 7th FINA World Junior Swimming Championships · Budapest

Race dates unavailable.

100 Breaststroke LCM
Heat121:02.38
100 Breaststroke LCM
Semifinal151:03.03
200 Butterfly LCM
Final71:58.73
200 Butterfly LCM
Heat81:59.17
200 IM LCM
Final72:01.53
200 IM LCM
Heat62:01.71
200 Breaststroke LCM
Heat102:15.13
400 IM LCM
Final34:16.37
400 IM LCM
Heat74:20.36