About
The race is run 500m under the surface of the earth in the tunnels of a old salt mine.<br>The temperature is 21°C.
Kristallmarathon im Erlebnis Bergwerk Merkers
by triathlonverein-barchfeld
by triathlonverein-barchfeld
The race is run 500m under the surface of the earth in the tunnels of a old salt mine.<br>The temperature is 21°C.
