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Hjalmar Vosselman

TCS Amsterdam Marathon 2026

I'm running against cancer during TCS Amsterdam Marathon 2026

Last year I ran the Amsterdam Marathon for KiKa. This year, I’m running again, but for a different cause that has become much more personal.

A good friend of mine is recovering from a bone marrow transplant after being diagnosed with multiple myeloma. Seeing from close by what he and his family have been going through has made cancer research feel a lot less abstract. 

So this year I’ll be running the Amsterdam Marathon for KWF, to create a better life with and after cancer. The 42.2K are mine to do. If you’d like to help make them count for something more, I’d really appreciate your support.

Mijn updates

25K test done

Thursday 17th Sep 2026

I was a bit nervous about this one. Although I recently ran 23K with 1,200 meters of elevation in Norway, Friday’s 16K didn’t feel particularly easy.

My Copilot run coach called this 25K an important test to see where I stand and whether my target marathon pace is coming within reach. The plan was simple: run the first 18K easy at around 6:00/km, pick it up to around 5:45/km until 22K, and only if everything still felt good, finish the last 3K around 5:30/km.

It felt great. I was able to pick up the pace exactly as planned and finished feeling strong. Even better, today, on my birthday, my legs feel good.

Another big step towards Amsterdam. And an extra reminder of why I’m doing all these kilometers: raising money for KWF and cancer research. 

New Target Amount

Monday 14th Sep 2026

Due to the overwhelming generosity, the initial target amount was achieved within a day. With 34 days (and 12 runs)  to go, I raised the bar to 2 622 euro (any idee what that number is ?)

First big test coming up

Monday 14th Sep 2026

I decided to run the marathon after running 23 KM in the Norwegian Trollheimen Hills at the end of August. After recovering from the trail run, I am now building up endurance with 1 6KM run last Friday, which was not as easy as I hoped for. The real fist test is Wednesday when I need to run a 25KM with acceleration in speed at the end. Will keep you posted on progress.

Hjalmar's badges

Maak je persoonlijke actiepagina compleet.Complete your fundraising page

Actiepagina gemaaktFundraising page created

Update je persoonlijke actiepagina met een foto.Update your personal fundraising page with an image.

Foto's toegevoegdAdded pictures

Deel je persoonlijke actiepagina met bekenden door een e-mail te versturen.Share your personal fundraising page with people you know by sending an email.

E-mails verstuurdEmails sent

Laat iedereen zien dat je KWF een warm hart toedraagt met een eigen donatie op jouw actiepagina.Show everyone you care about KWF by making a donation on your fundraisng page.

Aan eigen actie gedoneerdDonated to own fundraising

Je hebt je streefbedrag gehaald, goed gedaan!You reached your target amount, well done!

Streefbedrag behaaldTarget amount achieved

Motiveer jezelf en verhoog je streefbedrag.Motivate yourself and increase your target amount.

Streefbedrag verhoogdTarget amount increased

Deze badge krijg je wanneer je 1000 euro aan donaties ophaalt.You will receive this badge when you raise 1000 euros in donations.

Top fondsenwerverWall of fame

Deel je persoonlijke actiepagina met je volgers via je social media kanalen.Share your personal action page with your followers through your social media channels.

Gedeeld op social mediaShared on social media

Bedank je donateurs via de e-mail functie in jouw account.Thank your donors via the email function in your account.

Donateurs bedanktThank you donors

Bij 500 euro aan donaties ontvang je je speciale KWF t-shirt!With a donation of 500 euros you will receive your special KWF t-shirt!

€500 euro opgehaald: t-shirt verdiend€500 raised: t-shirt earned

Doneer

Steun je deze actie?

Opgehaald

€2.301

Streefbedrag

€2.622

Doneer

Help jij me mijn doel te bereiken?

€100
€75
€50
€25
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Doneer

Mijn donateurs

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