<http://schema.org/description>
"If you&amp;#039;re struggling to improve your running performance, you might want to think a little more about surfaces. Although it&amp;#039;s easier to go fast on hard surfaces like concrete, soft surfaces actually give you a more vigorous workout."^^<http://www.w3.org/2001/XMLSchema#string>
<http://adventure.howstuffworks.com/outdoor-activities/triathlons/training/soft-surface-triathlon-run-training2.htm>