Here is the full list of all 27 Ragdoll Runners achievements.
Land in the sand pit during a Triple Jump
Win the highest medal on 100 Metres
Win the highest medal on 60 Metres
Run a whole race on one leg
Win the highest medal on 30 Metres
Run backwards over 3 meters
Hit the takeoff board perfectly in a jump event
Run at 40 km/h for 3 seconds
Reach 45 km/h
Landing on the bottom in a jump event
Run at 35 km/h for 3 seconds
Win the highest medal on 10 Metres
Jump higher than 2 meters
Run at 30 km/h for 4 seconds
Make a 6 meters step while running
Run at 25 km/h for 4 seconds
Run at 20 km/h for 4 seconds
Fall heavily on the head
Run at 15 km/h for 4 seconds
Run at 5 km/h for 5 seconds
Run at 10 km/h for 4 seconds
Win the highest medal on the Long Jump
Win the highest medal on Triple Jump
Win all the highest medals
Win the highest medal on 110M Hurdles
Finish a 110M Hurdles leaving all hurdles standing
Win the highest medal on 60M Hurdles