| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| world record 400m hurdles men | 1.18 | 0.9 | 5090 | 18 |
| world record 400m hurdles women | 1.02 | 0.5 | 7162 | 69 |
| men's 400m hurdles world record | 0.63 | 0.1 | 5384 | 24 |
| men's 400m hurdles world record progression | 1.45 | 0.5 | 2187 | 99 |
| men 400m hurdles world record progression | 0.34 | 1 | 4111 | 79 |
| women's 400m hurdles world record | 1.19 | 0.7 | 5443 | 33 |
| women's 400m hurdles world record progression | 1.43 | 0.9 | 9193 | 42 |
