Updated On: 10 July, 2016 07:37 AM IST | | PTI
<p>Rio-bound Indian sprinter Dutee Chand on Saturday said she is working hard to improve her speed endurance so that she doesn't taper off in the last 40 metres of the 100m event during next month's Olympics</p>

Dutee Chand
Bangalore: Rio-bound Indian sprinter Dutee Chand on Saturday said she is working hard to improve her speed endurance so that she doesn't taper off in the last 40 metres of the 100m event during next month's Olympics.

Dutee Chand