The veteran, who recently took third place at the Totnes 10k, clocked 17.59 minutes to claim his first victory in the multi-terrain event.
He has previously finished second on a couple of occasions and third, while he was fourth last month.
Despite wet conditions, Bale ran 37 seconds faster than he had done in July to see off the challenge of Tavistock’s Edward Horn and Launceston’s Darren Evans.
Horn took second place in 18.06 minutes, with Evans just two seconds behind in third.
Molly Skeil was first women home in 20.04 minutes, which was 10 seconds ahead of Storm’s Lauren Knox, who came second. Erme Valley Harriers’ Emma Lake was third women in 20.38 minutes.
Although the weather was poor, there was a good turnout, with 207 finishers.
Full results can be found HERE. (picture gallery below)
Meanwhile, at the Devon Open Series at Braunton on Sunday, Tavistock youngster Nicolas Maczugowski continued his good form in the under-13 shot. He comfortably won with a throw of 9.72m. He is currently ranked 23rd in the UK in that event.
Erme Valley Harriers’ Adam Dingley is ranked in the top 25 of the under-13 75m hurdles. He ran a PB of 12.59 seconds at Braunton, but it was wind-assisted.
City of Plymouth’s Hannah Gellatly was another athlete to impress. She threw 44.69m to win the under-17 hammer.
Full results from the Devon Open can be found HERE.