North Herts Road Runners' Andri Johnston returned from injury to clock 1:46.03 at the Royal Parks half marathon in London.
It came exactly a year after she tore ankle ligaments while running with her pet husky Ace and she said: "I couldn't walk at all for two weeks, was on crutches for four and still have some pain, even when walking.
"When I ran my last half marathon in February I ended up in extreme pain, so this really was a comeback half for me."
Rob Harris came home in 1:18.47, ahead of David Edwards (1:41.33) and Tash Pitman (1:41.34).
Laurie Scott completed the 'highly recommended' Loch Ness Marathon in a personal best 4:08.44 and praised the 'great atmosphere and spectacular scenery'.
Lindsay Cook dipped under 30 minutes at the popular Hitchin 5k, while Shahab Ahmed clocked 17.58 ahead of Andreea Weisl-Shaw (27.00) and training partner Tracey McCreath, whose time of 31.29 was her third-fastest ever.
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