Here are a couple of small sample videos of The 2017 Mass State Tri that I do some marshaling for.
View: https://www.youtube.com/watch?v=i8Ll4THG23E
View: https://www.youtube.com/watch?v=-PTMy2pOZbU
View: https://www.youtube.com/watch?v=i8Ll4THG23E
View: https://www.youtube.com/watch?v=-PTMy2pOZbU