Are you looking for an in-town trail to walk? The Santa Fe River Trail is a great option, and I especially like to start at Frenchy’s Barn Park and walk towards downtown.
This trail is easy and paved and you can walk the full 6.1 miles if you like or cover only a portion of it for a shorter jaunt.
https://www.alltrails.com/trail/us/new-mexico/santa-fe-river-trail-via-frenchys-barn-park