Here is the full list of all 22 KILLRUN achievements.
Find the present for a reward
Score 40 Stars in the Deadsim KILLRUN map pack
Set 10 Pro times on each KILLRUN map pack, Original, Reacher, Dawnbreaker and Deadsim
Set 1 Pro Time in the Deadsim KILLRUN map pack
Score 40 Stars in the Dawnbreaker KILLRUN map pack
Set 10 Pro times on each KILLRUN map pack, Original, Reacher and Dawnbreaker
Set 1 Pro Time in the Dawnbreaker KILLRUN map pack
Score 40 Stars in the Reacher KILLRUN map pack
Score 30 Stars in the Reacher KILLRUN map pack
Set 20 Pro times across the Original and Reacher KILLRUN map packs
Set 1 Pro Time in the Reacher KILLRUN map pack
Score 40 Stars in the Original KILLRUN map pack
Score 30 Stars in the Original KILLRUN map pack
Set a time for all maps in the Original JUMPER map pack
Set 6 Pro times across the Original and Reacher KILLRUN map packs
Set a time of 8 seconds or lower on Groundhog
Set 1 Pro Time in the Original KILLRUN map pack
Earn your first KILLRUN Star
Complete all training scenarios in the Training Facility
Complete the SANDBOX and STRAFE TRAINING maps
Kill 15 bots on Hard Mode when Bot amount 20 is selected
Kill 20 bots with 100 accuracy on Medium Mode in Training Facility