Engage

Warmup
2-3 rounds
1 min ski
20 band pullaparts
20 Floor presses
10 kb drags

Prep: Starting weight on sled (2-3 warmup sets to get there)

Harness pulls are a variation on the sled that are often not utilized but are a great tool for full body training.
Coupling this with a quicka nd aggressive ski and finishing with a hard push will no doubt push you to the threshold