Kosiak Löwe - chickened out

So I am way behind with writing, but not much to report. I just chickened out of the Kosiak Löwe. I already signed up for the race, which was a 13km bike ride uphill (mountain bike) and then about 3-5km uphill run. The run did not bother me but I am not much of a mountain biker. So the week before I tried it with a friend of mine and the first 8km were normal road and were no trouble. Then it got little bit off road but still no trouble. But the last 3km were horrible, they put rubble on the road and I had real trouble to keep a straight line and the handlebar under control. I got up with just falling off the bike twice, since I had clicks and did not get out of them fast enough. I think that is nothing for me.

Downhill the rubble part was even worse and my natural chickeness of biking did not help so I fell onto the rubble and grazed my leg. But the normal road downhill was great fun, the cars could not even keep up - it was super.
At the bottom I noticed that my leg was hurt worse than I thought and small stones were underneath my skin like splinter so I washed that out. Well for the kosiak it was not fun enough so I cancelled that race.