Recently I've started to do a lot of walking and cycling.

最近我开始进行大量的远足和骑车运动。

《柯林斯英汉双解大词典》

For example, You'll do a lot of walking.

例如：Youll do a lot of walking(你将走很远的路)。

youdao

Wear strong shoes as we shall do a lot of walking.

请穿结实的鞋子，因为我们要走许多的路。

youdao

There are also a lot of people who do not keep to the left of the trail when walking, or stay on the pedestrian side when the trail is split into cycle and pedestrian sections.

BBC: Speedy Taff Trail cyclists in Cardiff told 'slow down'