No, I think you had two 50's and moved right into the 70's.

1 minute rest between sets

1 x 300 on 5:00 rev IM D/K/S REC

12 x 50 on 1:00 IMO/free EN1

3 x 5 x 50; descend each round of 5 EN1-EN3
& within each round of 5
set #1 on 1:00
set #2 on :55
set #3 on :50

1 x 100 on 2:00 CH EZ REC

8 x 75 on 3:00 Sprint SP1
25 free/25 stroke/25 FK SLOB

5 x 50 on 1:10 CH EZ REC

2,600 Meters