The process of running hard is described as follows:
1. He ran quickly down the runway like a wild horse out of control.
2. She leapt up lightly on the runway, as if she were a light swallow.
3. As he ran, he swung his hands back and forth and landed powerfully on the runway.
4. She breathed in the fresh air and felt the vigor of life in her morning run.
5. He sprinted swiftly to the finish line in the long-distance running race like an arrow off the string.
6. She ran on the runway with a vigorous stride, like a bird flying freely.
7. He ran on the playground with a firm stride and a gleam in his eye.
8. When she ran, she leaned forward slightly and swung her hands rhythmically.
9. He was running in the rain, his figure flashing in the rain curtain, looking extra tough.
10, When she was running, her hair fluttered in the wind, as if it were a beautiful sight.
11. He was running at night, his figure shining in the light, looking extraordinarily lonely.
12, She ran with a smile on her face, as if she was enjoying the beauty of life.
13. He was running on the snow, his footsteps steady and strong, as if he was challenging his limits.
14. When she was running, her body swayed from side to side, as if she was doing a beautiful dance.
15, He ran on the track, sweat sliding down his forehead, a testimony to his efforts.
16. She ran with a determined gaze, as if telling herself, I can do it!
17, He was running on the track, the wind blew across his face, that was the feeling of his challenging himself.
18, When she ran, her heart beat faster, that was her love and dedication to life.
19, He was running on the track, his feet light and strong, as if he was flying.
20, When she ran, her hands clenched into fists, that was her encouragement and support.
21, He was running on the track with his eyes fixed ahead, that was his determination and persistence to his goal.
22, Her body trembled slightly as she ran, that was her love and dedication to the sport.
23, He was running on the track, sweat soaked his clothes, that was his passion and determination for the challenge.
24, When she ran, her breathing was even and deep; it was her enjoyment and dedication to the sport.
25, He was running on the track, gradually increasing his speed, that was his challenge and transcendence of self.