Trail Race T-Shirt Designer

I need help designing a shirt. My husband enjoys trail running with friends and often comes up with names for their most challenging endeavors. "Tour de Rancho" is what they call a training run that encompasses all trails in our local park, Ranch San Antonio. For his birthday, I'd like to get him and his friends a tech tee that looks like an official trail running race shirt for "Tour de Rancho", and I am not creative enough to come up with a design. To save money on printing, I'd like it to have two to three colors max.