Running 33:24 [4] 4.6 km (7:16 / km) +100m 6:33 / km
ahr:134 max:172
Ran loop through Luxembourg Garden. Was feeling good. Lots of runners. Only about half of them passed me and I passed the other half. But when I got almost back to Place Monge, I felt a twinge in my left calf. Must have retorn it. Chronic injury came back. Perhaps I was running too fast.