Rest or recovery

Training: 

take a complete rest day

or

40 minutes:
20m R arm OH carry
20m L arm OH carry
60 sec FLR
Seated rope pull, length of gym
5 inch worm "roll outs" 
duck walk, length of gym
1-2 skin the cats

or

10K row, 18-20SPM, 2K row pace + 30 sec
(8:00 2K, 2:00/500m = 50:00 10K, 2:30/500, etc.)