У вашего броузера проблема в совместимости с HTML5
http://en.wikiloc.com/wikiloc/view.do?id=5306712
MTB AM ride from Bláfjöll to Hafnafjörður via Reykjavegur, Grindarskörð, Selvogsgata, Tvíbollahraun, Helgafell, Kaldársel, Selstígur and Hvaleyrarvatn.