I have a 2018 dark blue closeout Salsa Marrakesh after my LBS did not have a Trek 520 in stock. It is in the top 10 of Trek dealers so I figured I would not have luck at other dealerships for the 520. I am on the short side of average so it’s hard to find frames for me. I tried the Surly Trucker and had high hopes for it, but it killed my neck and lower back because of the stretched frame. I am sure it’s a great bike though if the geometry fits. So I tried the Marrakesh and it fits like a glove. After I swapped out the stock Maxxis Roamer 42 tires with the Schwalbe Marathon Supremes I am shocked at how fast I can go on such a big bike. I can maintain 16 m.p.h. paces without too much effort. Yes, it’s slower on hills but nothing terrible. I have not been on anything larger than a 60 mile ride but my legs were tired before my lower back and neck. The Brooks saddle is finally getting broken in after a year, that is my only quibble.