As the rules are, this is an any% run where you do run on Intense speed at some point, you are allowed to change your speed during the run; this is obv slower but if no one is able to comple the run with the Intense speed only in a faster time, this is legit WR. Also changing speed will reset the gained percentage to 10%, so if you death abuse at the beginning, changing speed is good for reaching 99% in 10 splits.