In a TT, you are looking for a maximal effort for the duration so it will require some pacing. 처음에는 견고해 보이다가 힘들어지고, 그다음에는 더 힘들어지고, 마지막에는 매우 힘들어집니다. it may require you to do it or times over the coming months to get used to it.