Long story short, being in Migros with a Swiss friend and telling them how weird I thought it was they sold horse meat, turned into me getting an invitation to the races

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Now I love a day out at the races, and have had many enjoyable days at Haydock. But I know it's not exactly big over here, so was wondering if anyone had any experience with it, particularly Dielsdorf? The next event is on May 8th, with the main race being the Swiss 2000 Guineas.
Cheers