A kid I coached was recruited 2 weeks ago and signed last week. Was planning to return to school if necessary. Last year a kid was signed after WU20 meet (late in summer) although he was a sprinter. Kids can always red-shirt XC if not ready. Sometimes kids put down fast times after the HS season, and some programs have money left as they didn't sign the kids that they were really after. In the first case the long-time coach retired and they didn't do a great job recruiting because of it (new coach not in place until recently) - so money was left after transfers/graduations out of the program.