Neill Freeman, Steve Rhodes and Richard Williams all from Blakemore Food Service completed the gruelling trek up Ben Nevis, Scotland, Scalfell Pike, England and Mount Snowdon, Wales on Saturday (18 June).
The challenge requires walkers to scale the three mountains over a continuous 24 hour period. The walk covers an area of 25miles walking, a height of 10,000 feet and a car journey between mountains of 450 miles.
Neill Freeman, Blakemore Food Service commented: "We chose the Three Peaks Challenge as we wanted to do something a little different for our nominated charity of the year, Macmillan Cancer Nurses.
"We began the challenge at 3pm on Saturday afternoon and finished 23 ½ hours later. It was tough as we had to struggle with heavy rain and wind, however we would all do it again."
"We are over the moon to have raised £1,900 for the charity especially as our target was £1,000."