There are a lot of variables.
Friday trails need to be done in time to get everyone to the BBQ. I lead Hells that day to keep it moving. With the new shortcut exit, it is easier.
Cliffhanger is 6 to 8 hours.
Poison spider is 5 to 7 hours.
Golden spike can be from 5 hours with a good group and committed to moving, to 26 hours. Yes, it has happened.
Pritchett 5 to 8 with no breakdowns.
Copper ridge, no idea. Never have ran it. I am assuming a full day. It looks like it can be cut short or made longer depending on time. I am assuming a lot of picture taking stops.
Steel bender. 3 to 6 hours. We do this one on sunday because 1/2 of the trail can be bypassed if people need to leave.
Keeping a good pace is important to having a shorter day. Some people say I push too hard. But most have figured out to go to a higher gear between obstacles. No need to poke along at 2mph on smooth ground. I can not wheel with jeep clubs for this reason.
The other reason I like to keep moving, other than shear boredom, is if there is breakage, we have more time to fix it.
@76zimmer, I know you can move. We ran that night in Michigan. I can not promise you will not put a branch through your windshield, but it is much less likely to happen in Moab.