Others have used Prairie Mtn to push their limits. The fastest known times (FKT) to the summit have been recorded here. Note that the 10th fastest ditch-to-ditch-to-ditch on Strava is 2 hours 3 minutes. My fastest is 2 hours 37 minutes on 2022.06.11 - at the age of 58. Not bad!
The Manitou Springs Incline, also known as the Manitou Incline or simply the Incline, is a popular hiking trail rising above Manitou Springs, Colorado, near Colorado Springs. The incline gains 2,011 feet (613 m) of elevation in 0.88 miles (1.42 km) horizontal.
This is a great video showing in what time can Kilian Jornet run a vertical kilometer. The answer? Twice as fast as I can! Note that he IS a professional athlete and 23 years younger than I am. :-)