Cycling at the 1948 Summer Olympics – Men's tandem
The men's tandem cycling event at the 1948 Summer Olympics took place between 7 and 11 August and was one of six events at the 1948 Olympics.
Results
First round
The first round took place on 7 August. The winners from each heat advanced to the quarterfinals. The losing pairs competed in the repechage round.Heat 1
| Rank | Name | Nationality | Time |
| 1 | Jean Roth Max Aeberli | 4:24.6 | |
| 2 | Klaas Buchly Tinus van Gelder |
Heat 2
| Rank | Name | Nationality | Time |
| 1 | Hans Andresen Evan Klamer | 4:53.6 | |
| 2 | Louis Van Schill Roger De Pauw |
Heat 3
| Rank | Name | Nationality | Time |
| 1 | Ferdinando Terruzzi Renato Perona | 4:58.4 | |
| 2 | Oscar Giacché Miguel Passi |
Heat 4
| Rank | Name | Nationality | Time |
| 1 | René Faye Gaston Dron | 4:34.8 | |
| 2 | Marvin Thomson Al Stiller |
Heat 5
| Rank | Name | Nationality | Time |
| 1 | Reg Harris Alan Bannister | 5:37.9 | |
| 2 | Marvin Thomson Al Stiller |
Repechage
The repechage round took place on 7 August. The winners from each plus the fastest losing team advanced to the quarterfinals.Heat 1
| Rank | Name | Nationality | Time |
| 1 | Louis Van Schill Roger De Pauw | 3:05.6 | |
| 2 | Klaas Buchly Tinus van Gelder | ||
| 3 | Oscar Giacché Miguel Passi |
Heat 2
| Rank | Name | Nationality | Time |
| 1 | Marvin Thomson Al Stiller | 3:54.5 | |
| 2 | Kurt Nemetz Erich Welt |
Quarterfinals
The quarterfinal round took place on 9 August. The winners from each heat advanced to the semifinals.Heat 1
| Rank | Name | Nationality | Time |
| 1 | Reg Harris Alan Bannister | 7:57.8 | |
| 2 | Klaas Buchly Tinus van Gelder |
Heat 2
| Rank | Name | Nationality | Time |
| 1 | René Faye Gaston Dron | 5:26.3 | |
| 2 | Hans Andresen Evan Klamer |
Heat 3
| Rank | Name | Nationality | Time |
| 1 | Jean Roth Max Aeberli | 3:58.5 | |
| 2 | Marvin Thomson Al Stiller |
Heat 4
| Rank | Name | Nationality | Time |
| 1 | Ferdinando Terruzzi Renato Perona | 4:35.6 | |
| 2 | Louis Van Schill Roger De Pauw |
Semifinals
The semifinal round took place on 9 August. The winners from each heat competed for the gold medal. The remaining teams competed for the bronze.Heat 1
| Rank | Name | Nationality | Time |
| 1 | Reg Harris Alan Bannister | 6:06.4 | |
| 2 | René Faye Gaston Dron |
Heat 2
| Rank | Name | Nationality | Time |
| 1 | Ferdinando Terruzzi Renato Perona | 4:36.9 | |
| 2 | Jean Roth Max Aeberli |
Final
The final races took place on 11 August and consisted of two best-of-three series. Italy won the gold medal series against the British team 2–1, while France took home the bronze against Switzerland by winning their series 2–0.Gold medal race
| Rank | Name | Nationality | Time | Time | Time |
| Ferdinando Terruzzi Renato Perona | 4:38.8 | 3:55.1 | |||
| Reg Harris Alan Bannister | 3:56.6 |
Bronze medal race
| Rank | Name | Nationality | Time | Time |
| René Faye Gaston Dron | 3:59.9 | 2:56.2 | ||
| 4 | Jean Roth Max Aeberli |
Final standings
| Rank | Name | Nationality |
| Ferdinando Terruzzi Renato Perona | ||
| Reg Harris Alan Bannister | ||
| René Faye Gaston Dron | ||
| 4 | Jean Roth Max Aeberli | |
| 5 | Louis Van Schill Roger De Pauw | |
| 5 | Hans Andresen Evan Klamer | |
| 5 | Klaas Buchly Tinus van Gelder | |
| 5 | Marvin Thomson Al Stiller | |
| 9 | Kurt Nemetz Erich Welt | |
| 10 | Oscar Giacché Miguel Passi |