WOC2007は20日、ミドル予選が行われた。本日で予選は終了、22日からは決勝が行われるが、日本選手が決勝の舞台に立つことはできなかった。次の舞台は25日のリレーを残すのみとなった。
予選の地図も順次公開されている。
Middle-Q MA MB MC WA WB WC
以下、速報より
| Women A | |||
| 1 |  Tatyana Riabkina | Russia | 00:26:52 |
| 2 |  Simone Niggli | Switzerland | 00:27:09 |
| 3 |  Emma Engstrand | Sweden | 00:27:30 |
| 15 |  Eva Makrai | Hungary | 00:35:55 |
| Men A | |||
| 1 | Valentin Novikov | Russia | 00:28:54 |
| 2 |  Anders Nordberg | Norway | 00:28:59 |
| 3 |  Martins Sirmais | Latvia | 00:29:00 |
| 15 |  Kiril Nikolov | Bulgaria | 00:32:45 |
| 26 |  Hiroyuki Kato | Japan | 00:38:02 |
| Women B | |||
| 1 |  Heli Jukkola | Finland | 00:26:43 |
| 2 |  Hanny Allston | Australia | 00:28:53 |
| 3 | Annika Billstam | Sweden | 00:29:24 |
| 15 | Anne Margrethe Hausken | Norway | 00:37:26 |
| 26 | Yoko Bamba | Japan | 01:02:27 |
| Men B | |||
| 1 |  Thierry Gueorgiou | France | 00:26:02 |
| 2 | Holger Hott | Norway | 00:27:47 |
| 3 |  Pavlo Ushkvarok | Ukraine | 00:27:52 |
| 15 |  Andreas Kraas | Estonia | 00:31:06 |
| 29 | Shigeyuki Koizumi | Japan | 00:39:28 |
| Women C | |||
| 1 | Helena Jansson | Sweden | 00:26:28 |
| 2 | Paula Haapakoski | Finland | 00:27:51 |
| 3 | Marianne Andersen | Norway | 00:28:02 |
| 15 |  Anna Gornicka-Antonowicz | Poland | 00:34:51 |
| 27 | Madoka Kogure | Japan | 01:08:15 |
| Men C | |||
| 1 | Daniel Hubmann | Switzerland | 00:26:44 |
| 2 |  Jonn Are Myhren | Netherlands | 00:27:23 |
| 3 | Julian Dent | Australia | 00:27:32 |
| 15 |  Henrikas Pauzas | Lithuania | 00:30:35 |
| 39 | Shunsuke Konno | Japan | DSQ |
