(CNN)On day 10 at Rio 2016, world champion Allyson Felix was dramatically denied gold in the 400-meter final by a diving Shaunae Miller, while record-holder David Rudisha successfully defended his Olympic title in the men's 800-meter final.
Monday's other highlights:
- Russian boxer booed after winning gold medal (2206)
- Hurdles star eliminated after false start, following rain delay (2148)
- Italian wins cycling gold despite controversial crash (1821)
- Slip costs teen gymnast Simone Biles in record bid (1621)
Scroll down below for all the action -- and go to cnn.com/olympics for full Rio coverage
