See head to head with these two athletes in all events
| 400 m hurdles | ||
| Kaliese Spencer JAM | Natalya Antyukh RUS | |
| WC Berlin 2009-08-20 | 53.56 (4) | 54.11 (6) |
| Hanzekovic Zagreb 2009-08-31 | 54.69 (1) | 55.38 (3) |
| Diamond Shanghai 2010-05-23 | 55.59 (6) | 54.83 (2) |
| GGala Roma 2010-06-10 | 53.48 (2) | 54.00 (3) |
| Herc Monaco 2010-07-22 | 53.63 (1) | 54.24 (2) |
| Aviva London 2010-08-14 | 53.78 (1) | 55.89 (6) |
| WK Zürich 2010-08-19 | 53.33 (1) | 55.14 (4) |
| Areva Saint-Denis 2011-07-08 | 53.45 (2) | 54.41 (3) |
| WC Daegu 2011-09-01 | 54.01 (4) | 53.85 (3) |
| WK Zürich 2011-09-08 | 53.36 (1) | 54.50 (4) |
| Rieti 2011 Rieti 2011-09-10 | 53.60 (1) | 55.05 (2) |
| GGala Roma 2012-05-31 | 54.39 (1) | 55.83 (7) |
| OG London 2012-08-08 | 53.66 (4) | 52.70 (1) |
| Athletissima Lausanne 2012-08-23 | 53.49 (1) | 55.82 (7) |
| Aviva Birmingham 2012-08-26 | 53.78 (1) | 54.95 (4) |
| Pre Eugene OR 2013-06-01 | 55.03 (3) | 57.74 (8) |
| WC Moskva 2013-08-12 | did not reach final (0) tie! | did not reach final (0) |
| DNG Stockholm 2013-08-22 | 54.88 (2) | 56.33 (7) |
| WK Zürich 2013-08-29 | 54.22 (2) | 55.92 (6) |
| Bislett Oslo 2014-06-11 | 54.94 (1) | 58.06 (7) |
| Wins: | 16 | 3 |