Malphite Runes explained
There's one set of runes for Malphite on patch 14.23 that is the clear favorite for LoL players and pros alike. The best Malphite rune paths on the position 
Top are 
Resolve as the primary path and 
Sorcery as the secondary path with a pick rate of 32%. Besides picking runes on Malphite you should learn how to play Malphite and if you are interested in pro matches take a look on how a pro builds Malphite. If you want to discuss 
Malphite then you should visit the champion subreddit.
Malphite runes from primary path
Resolve empowers the survivability of Malphite and increases the tankiness. Most of high elo players – and our LoL pros in the the major regions – have agreed that Grasp of the Undying is the best keystone rune to run on Malphite. This keystone rune gives Malphite alot of sustain and helps to force your opposing champion out of the lane. Other primary runes on Malphite are Demolish, Second Wind and Overgrowth.
Demolish increases your pressure on the enemy turrets. This rune will help you to punish bad roams or backtimings of your lane opponent. Second Wind powers up your sustainablity in lane by healing after taking damage from an enemy champion. Overgrowth increases your maximum amount of health.
Malphite runes from secondary path
When it comes to your secondary path, most Malphite players prefer to go with Sorcery. Sorcery empoweres abilities of Malphite and increases the available champion resources. On the Sorcery path, the best runes for Malphite are 
Manaflow Band and 
Transcendence.
This is usually followed up by taking Manaflow Band for additional mana and mana regenaration. Transcendence for some more Ability Haste.
FAQ for Malphite Runes
Which is the best keystone rune on Malphite?
The best keystone rune on Malphite is Grasp of the Undying. This Malphite runes setup is then referred as Malphite Grasp of the Undying.
What runes does Malphite use?
Runes from the paths Resolve and Sorcery are the most used runes on Malphite. For the exact pick rates of Malphite runes used, you have to study the rune distribution presented.