Complex sentence: The biggest casualty of the session was Kimi Raikkonen who got held up by Marcus Ericsson, he got a lap of 1:42.173 which wasn't fast enough to get into Q3 as the heavens opened and made the session a wash out.
Split into simpler sentences: The biggest casualty of the session was Kimi Räikkönen who got held up by Marcus Ericsson. Räikkönen recorded a lap of 1:42.173, which was not fast enough to get into Q3 as the heavens opened and made the session a wash out.