Here are some other sites on the internet that you may find useful:
Backyard Rebellion Games Listing
NASGA
North American Scottish Games Athletics – Online resource for just about everything related to the games, including schedules, past scores, and an online discussion forum.
Highland Games Records
Compiled list of the current records in each event and division, with other helpful links.
Scottish Masters Athletics International
SMAI is the sanctioning authority and host for the Masters World Championships (Masters as being defined as age 40 and over)