College students passed the 800-meter physical examination in freshmen and sophomores in 4 minutes and 34 seconds, and passed in juniors and seniors in 4 minutes and 32 seconds. The grading standards are as follows: 100 (3 minutes 18 seconds), 90 (3 minutes 28 seconds), 80 (3 minutes 42 seconds), 70 (4 minutes 7 seconds) and 60 (4 minutes 32 seconds). According to the students' total academic year scores, the extension materials are rated as excellent with a score of 90 or above, good with a score of 80 to 89.9, passing with a score of 60 to 79.9, and failing with a score of 59.9 or below.