"We are into double figures with the number of nuisance fires we have had to tackle in the last 24 hours alone.
"In west Cumbria we were called out 13 times. These types of fires take time to put out and could delay us getting to a serious emergency where people really need our help.
"We simply can not be in two places at once and our resources are stretched."
More top news
It marked it's anniversary as the 40th event with a ceremonial start at the sponsor, tyre manufacturer Pirelli's, Carlisle factory.
Torrential rain in the run up to today's crucial play off game between Salford City and Workington Reds.
A charity fundraiser from the Carlisle area has admitted stealing more than £21,500 belonging to Cancer Research UK.