A.M. 12 miles total. Benjamin did 7, Logan and Andrew 5, Jenny 4, Joseph 3, Jacob 1. Benjamin and I did a couple of pickups to help him feel race pace - 300 in 53.3, and 200 in 34.6.
P.M. Took Benjamin, Jenny, Julia, Joseph and Jacob to chess instruction by GM Rashad Babaev. This was the first time any of us have met a grandmaster. It was an educational experience. We were studying a position where there was only one right move. We had 10 minutes to find it. Benjamin did. I asked GM Babaev how long it takes a GM to see something like this. His response that he sees it right away, it feels good, and because it does he starts calculating what would happen if he made it.
The difference between a class A player or even an expert and myself (class B) is that they see tactical traps more consistently. However a GM sees more than that - he sees long-term positional weaknesses that can actually be exploited, and he sees the path to make it happen. He also intuitively knows if he can deal with various tactical issues that may arise on his way to exploiting the weakness - there are many lower skill players that can observe the weakness, but unlike a GM they only observe - they cannot do much about it.