Winter run 200 meters. How can I do ah???

Tomorrow morning around 8 o'clock. Our school physical test (third-year)

ah, but the winter cold. School's rule to wear shorts to run. (I was in Shenzhen .15 degrees The following are feel cold)

Are there any ways to get the body warm up. will not give cold to shiver.

also not confused tired. Otherwise, do not run 200 meters of the edge.

---

I am a school track and field team in general, if more cold days, we will first two laps wearing a jogging warm-up jacket, took off his coat, after preparing for the races can look at the thigh rubbing Fengyoujing these places, rubbing one will heats up.

400 meters around the playground jogging two laps, half-way do not stop. Absolutely easy to use