 In the lead up to the 2012 Summer Olympics in London, Keizer and van Iersel competed at seven World Tour events.They medalled in two of them, winning bronze at the $300K Beijing Grand Slam, followed by silver at the $300K Gstaad Grand Slam.They notched victories against top-ranked teams including the Chinese team of Xue Chen and Zhang Xi, and the American team of Kessy and Ross.