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| Event type

100 metres Freestyle, Men

Date22 August – 1 September 1920
StatusOlympic
LocationZwemstadion van Antwerpen, Antwerpen
Participants31 from 15 countries
Olympic Record 1:02.4 / Duke Kahanamoku USA / 9 July 1912

The race was expected to be between Norman Ross, who had won the event at the 1919 Inter-Allied Games, and Duke Kahanamoku, the defending Olympic champion, but The Duke was far the better sprinter. The Olympic record was 1:02.4, set by Kahanamoku in the 1912 semi-finals. He also held the world record, having recorded 1:01.4 in 1918. In the finals, Kahanamoku won easily, with Ross fourth. William Herald of Australia filed a protest, claiming that Ross had fouled him. Ross was disqualified and the final re-swum. The finish was exactly the same, except for the absence of Ross. Kahanamoku broke his world record in the first final and equalled the existing mark in the re-swim.

PosSwimmerNOCR1SFFirst FinalFinal
1Duke KahanamokuUSA1:01.8 (1 h1)1:01.4 (1 h1)1:00.4 (1)1:01.4 (1)Gold
2Pua Kele KealohaUSA1:02.0 (1 h3)1:02.4 (1 h2)1:02.2 (2)1:02.6 (2)Silver
3Bill HarrisUSA1:04.4 (1 h6)1:04.2 (2 h1)1:03.2 (3)1:03.0 (3)Bronze
4Billy HeraldAUS1:08.8 (2 h5)1:05.8 (3 h2)– (4)1:03.8 (4)
AC r3/3Norman RossUSA1:04.4 (1 h5)1:04.8 (2 h2)1:03.8 (AC)DQ
3 h1 r3/4George VernotCAN1:05.2 (1 h4)1:05.8 (3 h1)
4 h1 r3/4Agostino FrassinettiITA1:11.8 (1 h2)– (4 h1)
4 h2 r3/4Ivan StedmanAUS1:04.2 (2 h3)– (4 h2)
5 h1 r3/4Václav BucháčekTCH1:19.2 (2 h2)– (5 h1)
5 h2 r3/4Orvar TrolleSWE1:07.8 (3 h4)– (5 h2)
6 h1 r3/4Harry HayAUS1:06.8 (2 h4)– (6 h1)
6 h2 r3/4Keith KirklandAUS1:08.0 (2 h1)– (6 h2)
7 h2 r3/4Ko KorstenNED1:05.6 (2 h6)– (7 h2)
3 h1 r1/4Jean van SilfhoutNED1:09.0 (3 h1)
3 h2 r1/4Ângelo GammaroBRA1:22.0 (3 h2)
3 h3 r1/4Henri Padou, Sr.FRA1:08.4 (3 h3)
3 h5 r1/4Mario MassaITA1:10.4 (3 h5)
3 h6 r1/4Jack DickinGBR1:10.0 (3 h6)
4 h1 r1/4Georges PouilleyFRA– (4 h1)
4 h2 r1/4Harold AnnisonGBR– (4 h2)
4 h3 r1/4Martial Van SchelleBEL– (4 h3)
4 h4 r1/4Léon PeschLUX– (4 h4)
4 h5 r1/4Rémi WeilFRA– (4 h5)
4 h6 r1/4Alfred SteenNOR– (4 h6)
5 h1 r1/4Albert DickinGBR– (5 h1)
5 h3 r1/4Jean JenniSUI– (5 h3)
5 h4 r1/4Leslie SavageGBR– (5 h4)
5 h5 r1/4Masayoshi UchidaJPN– (5 h5)
6 h3 r1/4Kenkichi SaitoJPN– (6 h3)
6 h4 r1/4Orlando AmêndolaBRA– (6 h4)
7 h4 r1/4Gérard BlitzBEL– (7 h4)

Round One (22 August 1920 — 18:30)

Top two in each heat and the fastest third-place advanced to the semi-finals.

Heat One

PosLaneSwimmerNOCTime
1Duke KahanamokuUSA1:01.8QOR
2Keith KirklandAUS1:08.0Q
3Jean van SilfhoutNED1:09.0
4Georges PouilleyFRA
5Albert DickinGBR

Heat Two

PosLaneSwimmerNOCTime
1Agostino FrassinettiITA1:11.8Q
2Václav BucháčekTCH1:19.2Q
3Ângelo GammaroBRA1:22.0
4Harold AnnisonGBR

Heat Three

PosLaneSwimmerNOCTime
1Pua Kele KealohaUSA1:02.0Q
2Ivan StedmanAUS1:04.2Q
3Henri Padou, Sr.FRA1:08.4
4Martial Van SchelleBEL
5Jean JenniSUI
6Kenkichi SaitoJPN

Heat Four

PosLaneSwimmerNOCTime
1George VernotCAN1:05.2Q
2Harry HayAUS1:06.8Q
3Orvar TrolleSWE1:07.8q
4Léon PeschLUX
5Leslie SavageGBR
6Orlando AmêndolaBRA
7Gérard BlitzBEL

Heat Five

PosLaneSwimmerNOCTime
1Norman RossUSA1:04.4Q
2Billy HeraldAUS1:08.8Q
3Mario MassaITA1:10.4
4Rémi WeilFRA
5Masayoshi UchidaJPN

Heat Six

PosLaneSwimmerNOCTime
1Bill HarrisUSA1:04.4Q
2Ko KorstenNED1:05.6Q
3Jack DickinGBR1:10.0
4Alfred SteenNOR

Semi-Finals (23 August 1920 — 15:15)

Top two in each heat and the fastest third-place advanced to the final.

Heat One

PosLaneSwimmerNOCTime
1Duke KahanamokuUSA1:01.4QOR
2Bill HarrisUSA1:04.2Q
3George VernotCAN1:05.8
4Agostino FrassinettiITA
5Václav BucháčekTCH
6Harry HayAUS

Heat Two

PosLaneSwimmerNOCTime
1Pua Kele KealohaUSA1:02.4Q
2Norman RossUSA1:04.8Q
3Billy HeraldAUS1:05.8q
4Ivan StedmanAUS
5Orvar TrolleSWE
6Keith KirklandAUS
7Ko KorstenNED

First Final (24 August 1920 — 17:10)

PosLaneSwimmerNOCTime
1Duke KahanamokuUSA1:00.4=WR
2Pua Kele KealohaUSA1:02.2
3Bill HarrisUSA1:03.2
4Billy HeraldAUS
ACNorman RossUSA1:03.8DQ1

Final (29 August 1920 — 16:45)

PosLaneSwimmerNOCTime
1Duke KahanamokuUSA1:01.4
2Pua Kele KealohaUSA1:02.6
3Bill HarrisUSA1:03.0
4Billy HeraldAUS1:03.8