Vanmarcke's heart issues worse than expected: "I am not allowed to participate in sport now, maybe even permanently"
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Follow us on GoogleSep Vanmarcke quit cycling last year after he was diagnosed with heart arrhythmia. He moved to the team leader position at Israel-Premier Tech, but after a year, he said goodbye to that role as well: he wanted to
spend more time with his family. Now, the Belgian talks openly to Het Nieuwsblad about his condition and how it affected him.
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As a team leader, Vanmarcke never really felt quite in place. "I had doubts all season," he says. "After I was forced to stop racing last summer, I started quickly as team leader. And I immediately felt that this was something that suited me. I am good with people; I have much experience and can work out and discuss tactics. But it also felt wrong. Partly because I had to stop racing myself."
In addition, his health also played a role in his decision. "At the end of September, a year after I had to stop racing, I had to undergo new heart tests. They noticed atrial fibrillation (cardiac arrhythmia in which the heart starts beating irregularly, ed.). It was the third problem in my heart they discovered after cardiac arrhythmia and scar tissue. Two weeks ago, I had to undergo surgery for that, and during that procedure, they discovered other problems. As a result, further tests are now pending."
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"First, I was a top athlete, now I'm not allowed to exercise anymore"
"Even before these new health problems, I was already indecisive about quitting as a team leader, but it was a trigger for me to make the decision," says the 36-year-old former cyclist. His heart problems have turned life completely upside down. "I cannot participate in sport for now, maybe even permanently. That's very difficult. First, I was a top athlete. Next, I wasn't allowed to ride a bike, and now, I'm not even allowed to participate in sports. That's like when they tape a journalist's mouth shut and chop their hands off."
As a former top athlete, I find it very difficult to switch gears from being fully engaged in cycling every day to not being allowed to exercise. "But I must say: I'm dealing with it well now. However, I am now a bit 'on hold' because I am waiting for further tests. Mentally, it's not easy to deal with, but when I was told that there were new problems and that I was no longer allowed to participate in sports, I thought I would be even worse off mentally."
The first blow, quitting cycling, hit Vanmarcke harder. "This is a difficult sequel added to the whole situation, but I have been fighting that battle in my head for a year and a half. I don't feel like going through such a long process again. So, I must accept it, adapt, and see what I can do. Occasionally, it is still difficult to turn the switch. At a moment of weakness, I think I have been given a life sentence for what I enjoyed doing. At a more positive moment, I think I can still do a lot and ride an electric bicycle. I want to be positive and not feel the whole thing burdens me."
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Latest Comments
- Checking out the European course beforehand is smart. Hope she enjoys racing at home, whatever the result.jennifer1902-11-2026
- How does the starting order get decided in cyclocross? Eighth sounds impressive if she had to work her way through the whole field.cadencekingm02-11-2026
- The article’s timeline seems a bit muddled: it says this was the 2026 Koppenbergcross, then calls it her final race of 2025–Still, her progress is encouraging.pedalpowe2902-11-2026
- It’s lovely to see her smiling and thanking the fans. Taking things week by week sounds like the right approach after such a difficult year.patriciaw02-11-2026
- Eighth after starting on the back row at the Koppenberg is a strong ride. Good to see Fem building race rhythm without the pressure of chasing victories.tourdeforce902-11-2026
- I don’t understand how you can break vertebrae and not feel much pain there. Does that mean the collarbone injury was just more noticeable, or can spinal fractures sometimes cause very little pain? Hope he’s fully healed soon.sprocketspiny01-11-2026
- The recovery-score details are interesting, but they’re not a substitute for proper medical advice. Hopefully the team are keeping a close eye on him and letting the scans—not the urge to train—set the timetable.jennifer1901-11-2026
- Pogacar’s point about the safety gap between the Tour and smaller races is spot on. Riders are going faster than ever, yet some finishes still have awkward turns and road furniture right in the finale. Organisers need to take this seriously.gearguru3301-11-2026
- Two extra vertebrae fractures is a frightening discovery, especially after the concussion and collarbone injury. Glad he’s recovering, but it shows why coming back too soon would be a terrible risk.breakawaybikerd01-11-2026
- The team says it wants answers “as quickly as possible”, but speed shouldn’t come at the expense of a thorough investigation. Since Picnic PostNL commissioned it, will the full report be published? The team’s transparency will matter as much as who leads the inquiry.cyclechamp4530-10-2026


