| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | Athletics at the 2016 Summer Olympics – Men's 4 × 100 metres relay - Records |  |  |  |  |
| 3 | Country | Athletes | Round | Time | Notes |
| 4 | Turkey | Izzet Safer, Jak Ali Harvey, Emre Zafer Barnes, Ramil Guliyev (TUR) | Heats | 38.30 s | - |
| 5 | China | Tang Xingqiang, Xie Zhenye, Su Bingtian, Zhang Peimeng (CHN) | Heats | 37.82 s | AR |
| 6 | Japan | Ryota Yamagata, Shota Iizuka, Yoshihide Kiryu, Asuka Cambridge (JPN) | Heats | 37.68 s | AR |
| 7 | Japan | Ryota Yamagata, Shota Iizuka, Yoshihide Kiryu, Asuka Cambridge (JPN) | Final | 37.60 s | AR |
| 8 | Canada | Akeem Haynes, Aaron Brown, Brendon Rodney, Andre De Grasse (CAN) | Final | 37.64 s | - |

Question: What was China's 4 x 100 m relay record?
Answer: In the 2016 Summer Olympics – Men's 4 × 100 metres relay, China finished with a record of 37.82 s.