The phrase "a nonstop challenge" is correct and usable in written English.
It can be used to describe a situation or task that is continuously demanding or difficult without breaks.
Example: "The project turned out to be a nonstop challenge, requiring constant adjustments and problem-solving from the team."
Alternatives: "an ongoing challenge" or "a relentless challenge".
During the spring of 1968, in direct competition with the Observer's Transatlantic Race, the Sunday Times launched a nonstop challenge, the Golden Globe round-the-world yacht race.
"People sell their businesses and leave because the taxes are so punitive," said Dan Shedd, president of the Taylor Box Company in Warren, which has laid off more than half its employees since Thanksgiving and faces, he said, "a nonstop challenge to try to stay relevant".
Many biotechnology companies place so much emphasis on getting new products through the pipeline and into the marketplace that they create a nonstop challenge zone for their employees.
Industry Can Have Nonstop Challenges.
Jeantot recently competed in the Globe Challenge, a nonstop race round the world from France.
And international regattas such as the Whitbread race and the Globe Challenge, a nonstop race around the world for solo skippers, have gained in stature.
It was the first time that supporters of Mr. Iliescu, elected President by a landslide on Sunday, had challenged a nonstop protest by anti-Iliescu demonstrators occupying University Square since April 22.
Do you see yourself enjoying a nonstop mix of new challenges, or digging further into your area of mastery?
In November 2004, seeking to challenge the record for a nonstop solo voyage around the world, MacArthur set out from Falmouth, Cornwall, in her 23-metre (75-foot) carbon-fibre trimaran B & Q.
Look for the next several months to be a nonstop pageant of subpoenas, hearings and court challenges.
