It fits Ioss lap phenomenon and complex running and walkingevents in long distance race.
适用于长距离比赛时脱圈现象较复杂的跑、走项目。
2
As to marathon and long distance walkingevents, they would take place outside the stadium on road.
此外，马拉松与长距离竞走项目是在体育场外公路上进行的。
3
Four test events - race-walking, marathon, water ballet, and fence-play - will be held respectively at the Bird's Nest, water Cube and National Conference Center's Fencing Gymnasium on April 16-20.