a second to realize what was going on. meanwhile i was moving at six minute pace in a pitch black tunnel. i stepped in a puddle and got one foot soaked.
the night before i had been talking to my wife about my practice run in the tunnel and which of my two head lamps i was going to bring. i commented that it was important my light worked, because unlike middle pack runners who would have light around them from other runners, there was a chance i would be in front. just to be safe i decided to bring a second light.
i turned on the other light and put it 