Participants at Tata Mumbai Marathon 2018 at Worli Sealink in Mumbai on Sunday. Pic/PTI

More than 2,000 runners from the over 44,000 participants of the Mumbai Marathon last morning had to be given medical attention, and two serious cases - one suffering from a cardiac arrest and another from a stroke that left his left side partially paralysed - needed hospitalisation. Most cases were of muscle cramps, dehydration, minor injuries and exhaustion.