Athletics at the 2008 Summer Olympics – Women's 4 × 100 metres relay
The women's 4 × 100 metres relay event at the 2008 Olympic Games took place on 21 and 22 August at the Beijing Olympic Stadium.
There were 16 NOCs competing at this event. These 16 NOCs were selected by the average of the two best marks at the qualifying period. Finland and Cuba were qualified but withdrew and were replaced by Thailand and Nigeria.
In 2016, the victorious Russian relay team was disqualified for doping, as Yuliya Chermoshanskaya had her samples reanalyzed and tested positive for two prohibited substances. Another Russian, Guschina, was also later sanctioned for doping.
Records
Prior to this competition, the existing world and Olympic records were as follows.No new world or Olympic records were set for this event.
Qualification summary
Results
All times shown are in seconds.- Q denotes automatic qualification.
- q denotes fastest losers.
- DNS denotes did not start.
- DNF denotes did not finish.
- DSQ denotes disqualified
- AR denotes area record.
- NR denotes national record.
- PB denotes personal best.
- SB denotes season's best.
Round 1
Final
| Rank | Lane | Nation | Competitors | Results | Notes |
| 5 | Olivia Borlée, Hanna Mariën, Élodie Ouédraogo, Kim Gevaert | 42.54 | NR | ||
| 3 | Franca Idoko, Gloria Kemasuode, Halimat Ismaila, Oludamola Osayomi | 43.04 | SB | ||
| 8 | Rosemar Coelho Neto, Lucimar de Moura, Thaissa Presti, Rosângela Santos | 43.14 | SB | ||
| 4 | 9 | Anne Möllinger, Verena Sailer, Cathleen Tschirch, Marion Wagner | 43.28 | ||
| DNF | 7 | Jeanette Kwakye, Montell Douglas, Emily Freeman, Emma Ania | |||
| DNF | 6 | Shelly-Ann Fraser, Sherone Simpson, Kerron Stewart, Veronica Campbell-Brown | |||
| DSQ | 2 | Ewelina Klocek, Daria Korczyńska, Dorota Jędrusińska, Joanna Kocielnik | |||
| DSQ | 4 | Evgeniya Polyakova, Aleksandra Fedoriva, Yulia Gushchina, Yuliya Chermoshanskaya | DSQ | Doping case |