"challenge seeking" is a correct and usable phrase in written English.
You can use it to describe someone who is always looking for new challenges and opportunities to test their own abilities. For example, "John is a challenge seeking individual who is always looking for ways to push himself."
THE CHALLENGE Seeking to revive her long-neglected personal life, Ms. Gignilliat announced to her core staff in January 2010 that she was stepping back.
For example, NASA introduced a challenge seeking an algorithm to automatically detect moon craters among billions of orbital images, a process that could provide valuable information about the origins of the moon and earth.
In 1970, Perry filed a lawsuit that MCC says was the world's first legal challenge seeking the right of same-sex couples to marry.
Republicans who had brought the challenge sought to force a legislative session this summer to revise the budget, and on Monday they repeated their call for new budget cuts.
The future bottom line challenge seeks to accelerate a move away from single-minded financial short-termism and will aim to expand corporate accountability beyond financial gains to include negative and positive contributions to the economy, environment and society.
Another challenge seeks principled reasons for denying general covariance.
The council said the challenge sought to overturn its decision to suspend temporarily the movement of live animals at the port.
The second phase of the challenge sought green tech ideas to power the home, specifically addressing household energy efficiency including management software, appliances and air conditioning; and renewable power, from solar, wind, hydro and biomass.
The contest, officially known as the Defense Threat Reduction Agency's (DTRA's) Algorithm Challenge, sought a better way to identify organisms and genes in a DNA sample to identify possible bioterror threats.
An emerging approach to this grand challenge seeks to embed the diverse set of environmental perspectives and interests in the everyday practice of the people most responsible for using and creating new materials chemists.
Just as Burden had himself shot to see what it would be like, many participants in the Challenge seek to transform themselves as an act of public inquiry.
