Dennis Leiber is a German teacher who has completed on 8 seasons of Ninja Warrior Germany. He often competes along his father Rainer Leiber
Ninja Warrior Germany Results:[]
| NWG | Result | Notes |
|---|---|---|
| 2 | Failed Rolling Log(Qualifiers) | |
| 3 | Failed Warped Wall | Failed to complete the obstacle in his thre attempts |
| 4 | Failed Hang Slider (Qualifiers) | |
| 5 | Failed Lightning Bolts(Stage 1) | |
| 6 | Failed Burn Rubber (Stage 2) | |
| 7 | Failed Cliffhanger (Stage 1) | |
| 8 | Failed Lightning Bolts (Semi-Finals) | First time he went out in the Semi-Finals |