I had a really great experience! Three of us went zip lining and the other members of our party were able to walk to each zipline to watch and take pictures. One of our three guides was Cooper, and I apologize but I forgot the other guides names (all three were guys). I used to work at Full Blast Adventure Center in Durango (now Durango Adventures or something) back in 2017 and I absolutely loved it. The prices were very expensive and while the ziplines were fun they definitely weren't worth the price. The Denver course was so amazing! Their shortest zipline was longer and faster than Durango's longest and fastest zipline, and then there was 4 more lines all better! I felt that this tour was perfectly priced for the experience provided and I was really surprised by the length and speed of each line! As an employee I got to ride the ziplines several times in Durango and it was fun but nothing too spectacular so I admit I wasn't expecting much but was surprised by how much fun and exhilarating each of these ziplines were! While the safety waiver mentions a short hike to get to one of the ziplines, everyone in my party felt that it was a drastic understatement as it was not a short easy hike, but rather a 30 minute hike up several switchbacks done carrying heavy equipment, and everyone in the tour struggled with the hike.
All gear was sanitized very thoroughly and guides attempted to follow covid guidelines as much as possible, but it was not possible to remain socially distanced during the tour, although everyone did do a good job of keeping masks up.
I would recommend the 4 zipline package over the 6 zipline as the latter tour includes the challenging hike and is only one additional line and then repeating the first line (5 different lines total instead of 6 different lines).