The men's 1500 metre freestyle competition of the swimming events at the 1973 World Aquatics Championships took place on September 8.
Records Prior to the competition, the existing world and championship records were as follows.
The following records were established during the competition:
Date Event Name Nationality Time Record 8 September Timed Final François Deley 16:41.53 CR 8 September Timed Final Hakon Iverson 16:28.49 CR 8 September Timed Final Stephen Holland 15:31.85 WR
Results 26 swimmers participated in 4 heats. The event was a timed final. The first three heats were contested in the morning with the fourth and final heat contested in the evening. Rank Heat Lane Name Nationality Time Notes 4 - Stephen Holland 15:31.85 WR 4 - Rick DeMont 15:35.44 4 - Brad Cooper 15:45.04 4 - John Kinsella 15:58.70 4 - Bengt Gingsjö 16:06.01 4 - Mark Treffers 16:09.33 4 - Anders Bellbring 16:12.01 4 - Valentin Parinov 16:18.24 2 - Hakon Iverson 16:28.49 CR 3 - Andreas Meier 16:28.78 11 3 - G. Castillo 16:31.74 12 3 - Klaus Dockhorn 16:32.00 13 1 - François Deley 16:41.53 CR 14 2 - Csaba Tóth 16:44.36 15 3 - José Bas 16:55.70 16 2 - Deane Buckboro 16:55.79 17 3 - Michael Ker 17:00.62 18 2 - Hans-Joachim Geisler 17:04.23 19 3 - Marc Lazzaro 17:08.52 20 3 - Dusan Grozaj 17:09.15 21 2 - Vladimir Kobelev 17:09.54 22 2 - Luis Reinaldo Fleck 17:11.62 23 1 - Krasimir Enchev 17:18.01 24 1 - Fernando Cañales 17:43.21 25 1 - Alberto Vivoni 17:53.29 26 2 - Eugen Almer 21:40.70 1 - L. Díaz 1 - Ali Kinawi 3 - Thierry Lalot
References