Race details

Byron McDonald

Place	Swimmer	Country	RT	Time
1	Roland Matthes	Germany	—	56.51
1	Mark Spitz	United States	—	55.98
2	Bruce Robertson	Canada	—	56.86
2	Jerry Heidenreich	United States	—	56.18
3	Byron McDonald	Canada	—	57.06
3	David Edgar	United States	—	56.88
4	Neil Rogers	Australia	—	57.28
4	Hartmut Flockner	Germany	—	56.96
5	Roger Pyttel	Germany	—	57.69
5	Juan Carlos Bello	Peru	—	57.51
6	Sergio Waismaun	Brazil	—	58.07
6	Robert Kasting	Canada	—	57.67
7	Lutz Stoklasa	Germany	—	58.33
7	John Mills	Great Britain	—	58.13
8	Geoffrey Ferreira	Trinidad & Tobago	—	58.54
8	Istvan Szentirmay	Hungary	—	58.25

Meet source; a separate document for this swim is not linked.