Race the North Face Brandon Hills - September 9, 2023
Run for the Toad to host trail 50K championships - Canadian Running Magazine
Canada's Evan Dunfee breaks national 50k race walking record in victory | CBC Sports
Ultramarathon - Wikipedia
Norway's Petter Northug celebrates winning the gold medal during the Men's 50k mass start classic Cross Country race at the Vancouver 2010 Olympics in Whistler, British Columbia, Canada, Sunday, Feb. 28, 2010. (
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Men's 50K Race Walk Champ Walks Faster Than Most of Us Run | Runner's World
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Athletics-Poland's Tomala wins gold after switch to 50km walk | Reuters