In training.

Rob says that running in the rain makes you feel indomitable. I think it makes you wet. But that may be the same thing.

Here’s what I do know. If I ever need to, I can run 5K (3.1 miles) if the temperature is 24 degrees (F). I can even run 5K if the temperature is 18 degrees (F). And, if the weather is 50 degrees and raining, I can also run 5K.

I didn’t know any of those things un...