1. 障碍赛跑：obstacle course 超越障碍训练场 | obstacle race 障碍赛跑 | obstacle 障碍
2. 越障竞赛：obstacle quasi-static crossing ==> 准静态越障 | obstacle race ==> 越障竞赛 | obstacle shadow ==> 障碍影
3. 障碍跑：obstacle 障碍 | obstacle race 障碍跑 | this 指代前面
4. 障礙賽：three-legged race 二人三腳賽跑 | obstacle race 障礙賽 | egg-and-spoon race 湯匙盛蛋賽跑
1. Water wave race includes circling race and obstacle race, and the water wave group relay race is competing by groups.
2. The Hilton Beijing lobby will be transformed into an obstacle course on Feb 16 for the first annual Pancake Race.