I mean im just now 18…….So Im still a little wet behind the ears. I dont wanna call myself a Covid Baby cause thats not what got me into cycling. But I have not been doing this as long as some.
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That’s awesome. Nowhere to go but up!! 
I guess it depends which gravel worlds Neil is referring to in that article. The Lauf Gravel worlds or the UCI Gravel World Championships. In the 2024 edition of UCI Gravel Worlds Marianne Vos won with in a sprint finish on a Cervelo Caledonia with 33mm Dugast tires. For 2025 Vos switched to a 45mm front and 42mm rear on a Cervelo Aspero. She was outsprinted by Lorena Wiebe’s who was riding a Crux and using 40mm Specialized Pathfinder Pro’s.
Tom Pidcock ran 35mm Terreno Pro’s at UCI World’s last year. Finished 6th. Race was won by Florian Vermeersch who was on 40mm Continental Terra Speed
But in general 9 years later from that article I would say those tire recs would be 5-7mm wider these days now that more bikes have wider clearance and there are more good options 35mm and greater
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Just to be clear, I was sharing a reply to the question “what do the different gravel categories mean?” not “I think you should use these old tire sizes” 
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