What's the time difference between an Olympic triathlete's run and a 10,000m track athlete?

We're now settling into Auckland and getting ready to see the world's best compete.

Which begged the question today, what's the difference between an Olympic 10,000m track athlete and a triathlete? You might be surprised that it's not a lot. Here are the split times from the London 2012 Olympics:

Men's 10,000 m 27:30.42
Mohamed Farah

Women's 10,000 30:20.75
Tir Dibaba

Men's triathlon (run split only)
Allistar Brownlee 29:07

Women's triathlon (run split only)
Nicola Spirig 33:41

Resources:
http://www.bbc.co.uk/sport/mobile/olympics/2012/stories/18902984

http://www.slowtwitch.com/News/Spirig_tops_London_photo_finish__2967.html