After winning gold in Vancouver in the 500 meters , as well as the last two world titles , Mo finished fifth in Sochi .
The KOC 's concerns over speed skater Mo Tae - bum 's inconsistency turned out to be well - founded .
After winning gold in Vancouver in the 500 meters , as well as the last two world titles , Mo Tae - bum finished fifth in Sochi .
The KOC 's concerns over speed skater Mo Tae - bum 's inconsistency turned out to be well - founded .