45 | Junko Kazukawa
Junko Kazukawa is a Japanese-born women's ultra running pioneer best
known for having finished the Leadville 100-mile race 10 times. Junko is a two-time
breast cancer survivor with more than three decades of experience in health, fitness,
and training. She currently works as an ultra endurance coach with Boundless.
Junko lives and trains in Denver, Colorado, and has completed 24 100-mile trail races
so far, including Leadville, UTMB, Mt. Fuji, Ultra Fiord in Patagonia. She's the first
female to finish the Grand Slam of ultra running in 2015. She was Lead Woman three
times, in 2014, 2015 and…
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