Sarah Trenter, of Woodbridge, led the intrepid climbers around the highest mountains in England, Scotland and Wales.
The fundraisers reached the peaks of Ben Nevis, Scafell Pike and Snowdon in a time of 25 hours and 50 minutes – just outside the 24-hour challenge.
Mrs Trenter, 33, a nurse at the hospital, organised the trip to fundraise for three causes which have helped her six-year-old son Charlie, who has been diagnosed with severe haemophilia.
The fundraising total of £5,000 will be split between Addenbrooke’s Hospital, The Beads of Courage UK, and Molly Olly’s Wishes.
Mrs Trenter said: “We all found it very tough, but we were really pleased with our time. The elements; the wind and the rain, really slow you down and changes the mood of the team, and climbing Scafell Pike was mostly in the dark.
“You need to persevere and have a positive attitude, and we were proud with our achievements. We would also like to thank everyone who has donated so far.”
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