Complex sentence: Kristina Andreyevna Astakhova (born 25 February 1997) is a Russian pair skater partnered with Alexei Rogonov, she is the 2015 Winter Universiade silver medalist.
Split into simpler sentences: Kristina Andreyevna Astakhova (born 25 February 1997) is a Russian pair skater. With partner Alexei Rogonov, she is the 2015 Winter Universiade silver medalist.