Based on the context and the answer, generate a question. 

Context: It was time to refuel , so I tossed my bottle and prepared for the handoff . I grabbed the water with my right hand , heard a noise , and felt the biker hit me from behind . I was left to steer with my right wrist and my very non dominant left hand . It was only by God 's Good Grace that I did n't crash , but the guy who hit me was n't so lucky .

Answer:

I was in an accident with another person .



What may have caused you to almost crash during the bike event ?