Heats

Heat winners advanced directly to the A final.
The next six fastest boats in each heat advanced to the semifinals.^[3][4][5]

Heat 1

Rank	Name	Country	Time	Notes
1	Jack Eyers	Great Britain	50.32	QA
2	Emilio Atamañuk	Argentina	50.86	QS
3	Markus Swoboda	Austria	50.96	QS
4	Adrián Mosquera	Spain	52.44	QS
5	Caio Ribeiro de Carvalho	Brazil	52.61	QS
6	Tomasz Moździerski	Poland	52.70	QS
–	Manish Kaurav	India	DNS

Heat 2

Rank	Name	Country	Time	Notes
1	Stuart Wood	Great Britain	50.68	QA
2	Eddie Potdevin	France	52.36	QS
3	Maksim Popov	RCF	53.95	QS
4	Nicolás Crosta	Argentina	55.95	QS
5	Koichi Imai	Japan	56.17	QS
6	Robert Wydera	Poland	59.03	QS
7	Allgower Maruae	Tahiti	1:00.05	QS

Heat 3

Rank	Name	Country	Time	Notes
1	Vladyslav Yepifanov	Ukraine	50.33	QA
2	Giovane Vieira de Paula	Brazil	51.31	QS
3	Egor Firsov	RCF	52.97	QS
4	Javier Reja Muñoz	Spain	53.38	QS
5	Mirko Nicoli	Italy	55.31	QS
6	Abel Aber	France	55.99	QS

Semifinals

Qualification was as follows:

The fastest three boats in each semi advanced to the A final.
The next four fastest boats in each semi, plus the fastest remaining boat advanced to the B final.^[6][7]

Semifinal 1

Rank	Name	Country	Time	Notes
1	Markus Swoboda	Austria	51.50	QA
2	Caio Ribeiro de Carvalho	Brazil	51.80	QA
3	Giovane Vieira de Paula	Brazil	52.13	QA
4	Javier Reja Muñoz	Spain	53.30	QB
5	Tomasz Moździerski	Poland	53.73	QB
6	Maksim Popov	RCF	54.42	QB
7	Nicolás Crosta	Argentina	56.47	QB
8	Robert Wydera	Poland	59.74

Semifinal 2

Rank	Name	Country	Time	Notes
1	Eddie Potdevin	France	50.59	QA
2	Emilio Atamañuk	Argentina	51.23	QA
3	Adrián Mosquera	Spain	52.73	QA
4	Egor Firsov	RCF	53.39	QB
5	Mirko Nicoli	Italy	53.90	QB
6	Abel Aber	France	55.02	QB
7	Koichi Imai	Japan	56.28	QB
8	Allgower Maruae	Tahiti	58.99	qB

Finals

Final B

Competitors in this final raced for positions 10 to 18.^[8]

Rank	Name	Country	Time
1	Tomasz Moździerski	Poland	52.43
2	Egor Firsov	RCF	53.08
3	Javier Reja Muñoz	Spain	53.30
4	Maksim Popov	RCF	53.74
5	Abel Aber	France	54.47
6	Mirko Nicoli	Italy	54.72
7	Koichi Imai	Japan	55.35
8	Nicolás Crosta	Argentina	55.39
9	Allgower Maruae	Tahiti	58.02

Final A

Competitors raced for positions 1 to 9, with medals going to the top three.^[9]

Rank	Name	Country	Time
	Jack Eyers	Great Britain	50.01
	Stuart Wood	Great Britain	50.13
	Vladyslav Yepifanov	Ukraine	50.55
4	Giovane Vieira de Paula	Brazil	51.04
5	Eddie Potdevin	France	51.04
6	Markus Swoboda	Austria	51.46
7	Emilio Atamañuk	Argentina	51.67
8	Caio Ribeiro de Carvalho	Brazil	52.27
9	Adrián Mosquera	Spain	53.25