Namur

Van der Poel untouchable while error on the grid left Van Aert chasing from the start.

Slippery, technical course gave Brand second World Cup win of the season as she soloed away from Vos, second, and Worst, third.

Wout van Aert captured the victory in Namur, Belgium on Sunday at the UCI Cyclocross World Cup with a dominating performance.

Evie Richards (Trek Factory Racing) powered through the cold and mud to solo to victory in Namur, Belgium on Sunday at the UCI Cyclocross World Cup.

The UCI World Cup round at Namur saw Nikki Harris take her first series victory as Mathieu van der Poel won a tough fight with Wout Van Aert

Mathieu van der Poel prevails in a last-lap free-for-all with Wout Van Aert in the UCI World Cup stop at Namur

The world champion uncorks a stellar final lap to win the UCI World Cup round at the citadel of Namur

Nikki Harris won the fourth round of the UCI World Cup series in Namur

Dan Seaton photographed the fast, muddy racing action at the Belgian citadel on Sunday

The fourth round of the 'cross World Cup delivers plenty of action on a classic, heavy course in Belgium as Nash and Pauwels take wins

In a photo essay encompassing the 12-day Christmas period, Dan Seaton details the heart of Belgian cyclocross season

Dan Seaton captures the action at the latest cyclocross World Cup stop in Belgium

Photos from a filthy, challenging World Cup round at the citadel of Namur

Results from the UCI World Cup stop at Namur

Compton defeats world champ Vos to extend her lead in the World Cup as Mouray masters the mud

The two American juniors score big in Belgium

More photos from the 2012 World Cup stop at Namur

Dan Seaton captures the action at the muddy, marvelous Namur World Cup

Results from the Namur round of the 2012-13 UCI World Cup

The U.S. national champion extends her lead in the overall World Cup standings

Dan Seaton captures the muddy magic of the World Cup race at the citadel of Namur.

Men

• 1. Sven Nys (BEL), Landbouwkrediet, 1:03:04
• 2. Niels Albert (BEL), BKCP-Powerplus, at 0:05
• 3. Klaas Vantornout (BEL), Sunweb-Revor, at 0:21
• 4. Kevin Pauwels (BEL), Sunweb-Revor, at 0:26
• 5. Zdenek Stybar (CZE), Quick Step Cycling Team, at 0:32

Women

• 1. Marianne Vos (NED), Nederland Bloeit, at :36:53
• 2. Lucie Chainel-Lefevre (FRA), at 0:54
• 3. Katherine Compton (USA), Rabobank-Giant Off-Road Team, at 1:11
• 4. Sanne Cant (BEL), Boxx Veldritacademie, at 1:40
• 5. Helen Wyman (GBR), Kona Factory Racing, at 1:44

Sven Nys bounced back from Saturday's DNF to win a two-man battle with Niels Albert and take the lead in the UCI World Cup on Sunday at Namur.

World champion Marianne Vos (Nederland Bloeit) won round four of the UCI World Cup on Sunday in Namur.