Vinco Sports caught all the action at the National XC relays at Cumbernaud:
http://www.youtube.com/watch?v=8wsRBPwUQWc&feature=youtu.be
This takes you to the 8 minute highlights package and there’s action there across all four races on the day.
The second link takes you to the complete play-list from the event (five videos in all).
https://www.youtube.com/playlist?list=PLmLOsp-Ue_yTAMGQNx7EkGA8dvtbs8UL6