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

Context: The short versionI did better than I hoped in the swim and on the bike , and paid for it with my run . The long versionI was feeling good going in . Really good . At 159 lbs , I was 21 lbs down on my New Years weight .

Answer:

I might have participated in a triathlon .



What sporting event might have I participated in ?