Taric Runes explained
There's one set of runes for Taric on patch 14.9 that is the clear favorite for LoL players and pros alike. The best Taric rune paths on the position 
Support are 
Resolve as the primary path and 
Inspiration as the secondary path with a pick rate of 30%. Besides picking runes on Taric you should learn how to play Taric and if you are interested in pro matches take a look on how a pro builds Taric. If you want to discuss 
Taric then you should visit the champion subreddit.
Taric runes from primary path
Resolve empowers the survivability of Taric and increases the tankiness. Most of high elo players – and our LoL pros in the the major regions – have agreed that Glacial Augment is the best keystone rune to run on Taric. This keystone rune slows enemy champion on your first basic attack. This slow can by followed up by a skill shot of Taric to force the opponent in a dangerous situation. Other primary runes on Taric are 
Font of Life, 
Bone Plating and 
Revitalize.
Font of Life provides your teammates with more sustain by healing them whenever they attack a champion whose movement you've recently impaired. Bone Plating make Taric overall tankier, by decreasing the amount of poke damage in the early game. Revitalize inceases heals and shields you distribute or receive.
Taric runes from secondary path
When it comes to your secondary path, most Taric players prefer to go with Inspiration. Inspiration opens creative opportunities on Taric troughout the match. On the Inspiration path, the best runes for Taric are Cosmic Insight and Hextech Flashtraption.
Cosmic Insight grants summoner spell and item haste. Having an extra way to decrease the distance with the Hextech Flashtraption will make an engage much easier to pull off.
FAQ for Taric Runes
Which is the best keystone rune on Taric?
The best keystone rune on Taric is Glacial Augment. This Taric runes setup is then referred as Taric Glacial Augment.
What runes does Taric use?
Runes from the paths Resolve and Inspiration are the most used runes on Taric. For the exact pick rates of Taric runes used, you have to study the rune distribution presented.