What a peaceful event. The reason the speed was slightly down is that I was running on 5 cyl from shortly after leaving the parking lot. Luckily ZiMMie is a gentleman and drove to the shop mid-cruise to get me a replacement spark plug. Not sure why a 40k plug failed but luckily it was a short lived issue.
Then again maybe I should start driving slower more regularly. First event in a while with no one yelling afterwards.
Thanks for coming out everyone. I'm making a brand new route for Part 2 on July 27th and hope to see you there.