Мы удивились, когда узнали, что они

Мы удивились, когда узнали, что они за день прошли 7 километров.

Результаты (английский) 1:

We were surprised when they learned that they one day have passed 7 miles.

Результаты (английский) 2:

We were surprised when they learned that they were held for a day 7 kilometers.

Результаты (английский) 3:

we were surprised when they learned that day passed 7 kilometers.