Category Events - United States, Douglas (WY) We are gearing up for our summer shenanigans! Save. The. Date. June 8, 2018. 6:00pm 💥5th annual JacKalope Rainbow Run will be a tad different this year. We will incorporate an inflatable obstacle course on our colorful 5k course! ❤️All donations from the run will benefit Chad Johnson and his family as he battles cancer.