walkathon
noun/ˈwɔːkəθɒn/
/ˈwɔːkəθɑːn/
- an event in which a lot of people participate in a long-distance walk to raise money for a charity
步行马拉松：很多人参加长途步行为慈善事业筹款的活动 - an annual walkathon for cancer research
一年一度的癌症研究步行马拉松
- an annual walkathon for cancer research