A Fat Ass or fatass is a type of informal ultramarathon running event which started in the San Francisco Bay Area in late 1970s. Typically organized as a low-key grassroots race that is 25 km (16 mi) or longer, the Fat Ass is usually free to enter.
A Fat Ass or fatass is a type of informal ultramarathon running event which started in the San Francisco Bay Area in late 1970s. Typically organized as a low-key grassroots race that is 25 km (16 mi) or longer, the Fat Ass is usually free to enter.
Source: Wikipedia "Fat Ass" · CC BY-SA 4.0
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