Here’s the link to sign up for the photo walk if you are interested in participating. http://kelbyone.com/photowalk/walk/grand-junction-co-united-states-downtown/
Here’s the link to the prizes if you are debating on participating, so far there is only 1 walker signed up, so your chances of winning locally are high.
http://kelbyone.com/photowalk/prizes/

The the walk route & such for more information one when/where, remember you must sign up on the website to qualify for the prizes.