ultramarathons

"Many runners train for months to be able to complete marathons. "

"The student's excellent score on the math test was a significant achievement. "

"My uncle ran in the city marathon last weekend. "

"They are going to try climbing Mount Everest themselves."

"Consider that we’ve had three major events and the year has hardly begun."

"I just got back from my morning run."

"The children were running to catch the school bus. "

"The students are competing for the highest grade in the class. "

"Be sure to finish your homework before you go to bed!"

"The school's new uniform policy is the standard for all students. "

"From Moscow, the distance is relatively short to Saint Petersburg, relatively long to Novosibirsk, but even greater to Vladivostok."

"The teacher threw a challenge to the students: "Who can solve this difficult math problem?" "