Under Armour Charged Assert 9: What and who is it for? 

The Charged Assert 9 is a daily trainer from Under Armour that's made for neutral runners. With its configuration, the shoe is perfect for the following: 


  • Daily runs
  • Jogs 
  • Cross-training 
  • Casual wear

Distance: Short distance (nothing over 5k) 


  • Pavement
  • Grass
  • Track
  • Turf
  • Gym rubber floor 


The current trend of Under Armour Charged Assert 9.
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Jens Jakob Andersen
Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.