The ins and outs of measuring Olympic records

NBC Olympics
Athletes are getting faster and faster, and the technology used at the Olympics needs to keep pace. Kira Dixon learns more about timing on the track.
NBC Olympics
Athletes are getting faster and faster, and the technology used at the Olympics needs to keep pace. Kira Dixon learns more about timing on the track.
KTVZ NewsChannel 21 is committed to providing a forum for civil and constructive conversation.
Please keep your comments respectful and relevant. You can review our Community Guidelines by clicking here
If you would like to share a story idea, please submit it here.