My current swimming schedule is

Week 1 Monday 5 x 50 Thursday 200 m
Week 2 Monday 5 x 50 Thursday 300 m
Week 3 Monday 3 x 100 Thursday 300 m
Week 4 Monday 2 x 150 Thursday 300 m
Week 5 Monday 2 x 250 Thursday 400 m
Week 6 Monday 2 x 250 Thursday 4 x 100 m

So if I adjust that as marked below do you think that would be good?
Week 1 Monday 5 x 50 Thursday 200 m
Week 2 Monday 5 x 50 Thursday 300 m
Week 3 Monday 3 x 100 Thursday 400 m
Week 4 Monday 2 x 150 Thursday 500 m
Week 5 Monday 2 x 250 Thursday 500 m
Week 6 Monday 2 x 250 Thursday 4 x 100 m