There are plenty of people who stay young and fit
有很多人即使早就过了退休年龄
well beyond retirement age.
仍然能保持年轻活力
They mainly do it the traditional way -
他们大多用的是传统方式
through lots and lots of exercise.
进行大量的运动
Today, I've come to the London Marathon.
今天 我来到伦敦马拉松赛
Nearly 36,000 bodies of all shapes and sizes
将近三万六千个不同体型的人
are tackling the 26-mile course.
挑战四十二公里长跑
Some are young,
有一些是年轻人
many not so young.
但很多却不是
There's an absolutely fantastic atmosphere here.
这里的气氛实在太棒了
Now, I have never run the marathon
我从没跑过马拉松
and I have no plans to ever run the marathon,
也没打算任何参加马拉松
but there are plenty of people running today
可今天参赛的很多人
who are far older than me.
都比我年长很多
There are seven thousand people and in their 50's,
其中有七千多位年逾五旬的人
and incredibly enough,
更加难以置信的是
there are seven people who are in their 80s or older.
有七位年逾八旬或年纪更大的长者

重点解释：

1.plenty of 很多的

例句：This bread has plenty of flavor.
这面包味道真好。

2.come to 来到（某地）

例句：He will come to soon after the operation.
手术后不久他就会醒来。