The former European cyclocross champion hasn't raced since February after returning a positive test for a breast cancer treatment drug.
The 28-year-old said he doesn't know how a metabolite of a breast cancer medication got into his system.
Belgian cross rider's A-sample positive for breast cancer treatment drug.
Heavily favored Belgian 'crossers hoping to avoid road worlds fiasco as absence of van Aert, van der Poel levels the playing field.
Brand makes it 17 season wins, Pidcock derailed by final-lap crash in last weekend of racing before the Fayetteville worlds.
World Cup champion Iserbyt takes dominant win in northern France as van Aert and Pidcock sit out the race.
Van Aert is six for six in 'cross wins while Brand has been on the podium in 13 consecutive races, with wins in her last four starts.
Van Aert smashes season standouts Iserbyt and Aerts with bullish performance at Superprestige Boom: 'I had not expected this'
Van Aert wins by more than 90 seconds despite late crash, Tom Pidcock places seventh after two spills in his first race of season.
Iserbyt extends lead in World Cup standings after searing, crash-riddled battle with Aerts.
Betsema moves into series lead in women's, Eli Iserbyt retains spot at top of classification in men's.
Racers and fans will get a look at the 2022 world championship course.
The 2021 worlds bronze medalist is gearing up for the coming 'cross season.
Lucinda Brand seals Superprestige classification to add to her world title and World Cup overall.
Don't expect to see fans lining the course, or crowding the pits in Ostend, Belgium on January 30 - 31.
Frozen temperatures, heavy rain, and an extremely difficult course combine to make Namur World Cup race one of crashes, abandons, and epic racing.
The second round of the Superprestige series saw the riders with the control and luck to come through the mud take the wins.
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Aerts takes World Cup title after Van Aert finishes race disappointed in third.
For the second week in a row, Toon Aerts and Wout Van Aert face off, and Aerts again beats the reigning world 'cross champion.