I was the pacer for the 2:00 group for the 4 Bridges half marathon this morning. About mile 10, my watch (and those around me) started having a discrepancy with the mile markers. Sure enough, it only registered 12.4. I felt so bad for my crew of people chasing a PR or trying to get that accomplishment. We were on pace to finish in 1:59, so I'm sure they can feel good about that. Just weird that the course could be mismarked so badly.

Wow. Rare when a watch reads less than the official markers. I guess it'll look good on Athlinks

Was it a certified course?

Sooner Born said:

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Was it a certified course?

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According to their website, yes.

http://www.usatf.org/events/courses/maps/showMap.asp?courseID=TN16006BW

Does your GPS match the course?

Turnaround at MLK was put at the wrong place (Main St). The mile markers were matching my watch until mile 9 (as if they were measuring as they went), but marker 10 onward were wrong (as if checked backward from the finish).

Full was 0.63 miles too long! Unbelievable mistakes. These are the third marathon/half-marathon mistakes made in the last 3 years in Chattanooga.

Ouch. Not even the first time it's happened to this race...

http://www.timesfreepress.com/news/local/story/2017/oct/15/miscalculation-leaves-7-bridges-marathon-long-4-bridges-half-marathon-short/454564/