show not tell

The car crashed on the road .I have to change this into a show sentence The V8 skidded off the motorway into a safety barrier. Here's another example:
The Ford sped off quiet Phillip street and smashed into a brick wall.

Cross country traning

Cross country training is easy for me because I am third fastest in my class.But there are lots of fast runners. I love to run. My goal is to run 12 laps without stopping. There will be some speedy runners to challenge me. I need to jog at first and then towards the end I should go be for! Sprint as fast as I can. i hope to come in the top 4 for my age.

Fractions