Mr Lawrence ran the final 5.5km to the Remarkables skifield base building and described the exercise as "draining" but "very fulfilling [and] very satisfying when completed".
Another $200 had been raised through traditional donations collected in buckets and the less traditional "secret admirer daffodil", where staff paid for a daffodil to be delivered to another staff member of their choosing.
Rentals department team leader Gillian Leake said one staff member had received 16 secret daffodils from the same sponsor and had no idea as to who their secret admirer was.