Photos are broken down *ROUGHLY* by race start time. If somebody raced in the 6pm race, and was still on the trail near 7pm, they may end up in the 7pm group of photos. So it's best to browse all the galleries if you're looking for somebody specifically.
Digital copies (800x600) are free for the taking (for non-commercial use). Right-click, "save as".
Full-res, 300DPI images that you can print at 8x10 (or bigger) are $10.
8x10" or 8x12" prints are $25.