Simplify the following text for a Grade 7 native English-speaking person.
Original: Hamilton won the on the road , however he was later judged to have gained an unfair advantage by cutting a chicane when he used a tarmac run off area to avoid hitting Kimi RÃ ikkÃ nen .
Simplified: He was left the race track in a chicane avoid hitting Kimi RÃ ikkÃ nen . The race officials said that gave Hamilton an unfair advantage .