Polly Smith has jumped up to second in the Hunts AC all-time ranking list for the 5km distance.
The 17 year-old produced a time of 20:04 when in the Cambridge Parkrun - the first time she has lined up in the event for two-and-a-half years.
In the process she knocked 51 seconds off her personal best and is now within nine seconds of the quickest-ever time by a Hunts AC female which belongs to Siobhan Skinner.
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