5 sentences

1. 我从来没有跑马拉松。

   wǒ cóng​lái​méi​yǒu pǎo mǎ​lā​sōng.

   I have never run a marathon.

   Source: CCMatrix

2. 他每天都要跑步，还跑马拉松。

   tā měi​tiān dōu yào pǎo​bù, hái pǎo mǎ​lā​sōng.

   He runs every day and even runs marathons.

   Source: CCMatrix

3. 她觉得自己好像能跑马拉松。

   tā jué​de zì​jǐ hǎo​xiàng néng pǎo mǎ​lā​sōng.

   She felt like she could run a marathon.

   Source: CCMatrix

4. 跑马拉松并不是一件容易的事。

   pǎo mǎ​lā​sōng bìng​bù​shì yī​jiàn róng​yì de shì.

   Running a marathon is not an easy thing.

   Source: CCMatrix

5. 例如，马拉松运动员并不是为了马拉松训练而每天跑马拉松。

   lì​rú, mǎ​lā​sōng yùn​dòng​yuán bìng​bù​shì wèi​le mǎ​lā​sōng xùn​liàn ér měi​tiān pǎo mǎ​lā​sōng.

   Marathoners, for instance, don’t run marathons every day to train for a marathon.

   Source: CCMatrix