田径运动是一项包括多种不同项目的运动，主要分为跑步、跳跃、投掷和多项全能四个大类。以下是其中一些常见的项目：

1. 短跑：包括100米、200米和400米短跑。这些项目要求选手在短距离内以最快的速度奔跑。

2. 长跑：包括800米、1500米、5000米和10000米长跑。这些项目要求选手在较长的距离内保持持久的耐力和速度。

3. 障碍赛跑：包括110米和400米栏。这些项目要求选手在跑道上跨过一定高度和间隔的栏杆。

4. 接力赛：包括4x100米和4x400米接力赛。这些项目要求四名选手依次完成一定距离的奔跑，需要高度的合作和默契。

5. 跳高：要求选手在跳起来的时候越过一个高度杆。

6. 跳远：要求选手在起跳时跳跃尽可能远的距离。

7. 三级跳远：要求选手在起跳时跳跃三次，最终达到尽可能远的距离。

8. 掷铅球：要求选手将一个重量为7.26公斤的铅球投掷尽可能远的距离。

9. 掷铁饼：要求选手将一个重量为2公斤的铁饼投掷尽可能远的距离。

以上是田径运动中一些常见的项目。这些项目不仅考验了选手的体能和技术水平，也需要选手具备良好的心理素质和团队合作能力。

Track and field is a sport that includes a variety of different events, mainly divided into four categories: running, jumping, throwing, and multi-event. Here are some of the common events:

1. Sprinting: includes 100m, 200m, and 400m sprints. These events require athletes to run as fast as possible over a short distance.

2. Long distance running: includes 800m, 1500m, 5000m, and 10000m long distance running. These events require athletes to maintain endurance and speed over a longer distance.

3. Hurdles: includes 110m and 400m hurdles. These events require athletes to jump over a certain height and distance of hurdles on the track.

4. Relay races: includes 4x100m and 4x400m relay races. These events require four athletes to complete a certain distance of running in turn, requiring high cooperation and coordination.

5. High jump: requires athletes to jump over a height bar when jumping.

6. Long jump: requires athletes to jump as far as possible when jumping.

7. Triple jump: requires athletes to jump three times when jumping, and finally achieve the farthest distance.

8. Shot put: requires athletes to throw a 7.26 kg shot put as far as possible.

9. Discus throw: requires athletes to throw a 2 kg discus as far as possible.

The above are some common events in track and field. These events not only test athletes' physical fitness and technical level, but also require athletes to have good psychological qualities and teamwork ability.