Based on Schwalbe's ratings of Rolling, Road Grip, Off-road Grip, Protection and Durability, the Marathon Racer is the superior tire.
Panaracer also makes good tires. You could look to the 37-406 Pasela tire. Paselas are workhorses.
Originally Posted by
sjanzeir
(Emphasis mine.)
A bit of a conundrum here - would you go with the Citizen Active and stick with the same size, or would you go with the Racer and "size down" to 1.50?