Complex sentence: In April 1910, he won the £10,000 prize offered for flying from London to Manchester, a distance of 195miles/298 km. The prize had been offered in 1906 by the "Daily Mail" for the first pilot to fly from London to Manchester within 24 hours.
Split into simpler sentences: In April 1910, he won the £10,000 prize offered for flying from London to Manchester, a distance of 195 miles (298 km). This prize had been offered in 1906 by the "Daily Mail" for the first pilot to fly from London to Manchester within 24 hours.