The longest track and field event at the Summer Olympics is the 50-kilometer racewalk, which is about five miles longer than the marathon.
夏季奥运会最长的田径项目是50公里竞走,比马拉松距离还长大约5英里。
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Plant a tree or garden, or memorialize the person in some fitting way, such as running in a charity run or walk (a breast cancer race, for example) in honor of the lost loved one.
If you do run a race without training, you might simply run out of breath and have to walk. You might even have to stop altogether, or worse yet, you might get injured.