40min

40分を過ぎてふくらはぎが痛む予感がしたので着地に気遣い走った。

結果、痛みは無かったが太腿がとても疲れた。

I had a feeling that the calves would hurt after 40 minutes and I ran into the landings carefully. 

As a result, there was no pain but the thigh was very tired.