She endured humid conditions to defend her crown.
It was the first sub-1 hour half on Czech soil.
The previous record was held by Jen Rhines who set it in 2006.
Kenyan blazes 2:41 final kilometer to break 5-year-old course record by seven seconds. Written by: David Monti (c) 2010 Race Results
Perfect Running Weather and Fast Course Provides a Fast Race for 4th Annual Bay Area Event Click Here For Photos California’s fastest