I Can Do A 3 Hour Triathlon Without Injury, But...

Today, on my way to work, I was running for a green light, on the sidewalk, when my toe caught the lip where a manhole cover was inset. It looked something like this one:

Anyway, my toe caught, and I went horizontal, landing on toes, knees, and hands.

My knees are scraped
my wrists are sore.

I need to lift
my feet up more!