Complex sentence: She won the gold medal in the womens'coxless pairs at the 2012 Olympic Games with Heather Stanning, the first gold medal won by TeamGB at the 2012 Games and the first ever British Olympic gold medal in women's rowing.
Split into simpler sentences: She won the gold medal in the womens'coxless pairs at the 2012 Olympic Games with Heather Stanning. It was the first gold medal won by TeamGB at the 2012 Games and the first ever British Olympic gold medal in women's rowing.