Swim with 200m TT

The following swim set was done:
w/u:12 x 50m easy (15secs rest after each)
8 x 75m  of: 2 x 25m easy, 20secs rest, 1 x 25m ALL OUT, 20secs rest,
200m ALL OUT (no paddles/pb), 4mins rest,
8 x 75m  of: 2 x 25m easy, 20secs rest, 1 x 25m ALL OUT, 20secs rest,
200m ALL OUT (no paddles/pb), 4mins rest,
4 x 100m easy c/d

Both the 200mtrs were on 3mins 40 secs at Jindalee Pool (50m).  So, even though it appears as though I have gone backwards I think it makes a difference performing them in a 50m pool - that's my story and I'm sticking to it!