Human Leveling Guide

As a human you will start in an area, called Northsire Valley, you will see a church and some people.

1. Go past them and start killing the wolves until you get level

2. When you get level 2, pick up the quest called, A Threat Within. Turn it in, in the church and pick up Kobold Camp Cleanup.
Go out and get the quest Eagen Peltskinner. Turn in the quest, the guy can be found near the church. Get the next quest Wolves Across the Border.
Kill wolves until you get 8 Tough Wolf Meats and after it is done, go and kill 10 Kobold Vermin. If you are not level 3 kill some more Kobolds.

3. Turn in the quests and get the next quest Investigate Echo Ridge. Kill Kobold Workers until you get level 4 and the quest is completed.

4. Turn in the quest and take the follow up Skirmish at Echo Ridge and kill the Kobold Laborers inside the cave until you get level 5 and the quest is completed.

5. Turn in the quest and get the last follow up, Report to Goldshire.
Pick up the quests Brotherhood of Thieves and Milly Osworth. Go to Milly and get the follow up Milly Harvest.
Go east and cross the river and kill Defias Thugs until you get 12 Red Burlap Bandana while doing this get 8 Milly's Harvest at the field. Go back and turn in the quests and pick up Bounty on Garrick Padfoot. Kill Garrick and loot his head. Turn in the quest.
By now you are level 6, so it is time to go to Goldshire.

For the map:
1. Wolves
2. Kobold Vermins
3. Kobold Workers
4. Echo Ridge
5. Defias Thug
6. Milly's Harvest
7. Garrick Padfoot

1. Follow the road and pick up Rest and Relaxation. Keep folowing the road until you reach Goldshire. there turn in Report to Goldshire and Rest and Relaxation. It is also very important to make Goldshire your home.

2. Pick up these quests: Gold Dust Exchange, Kobold Candles, The Fargodeep Mine and A Fishy Peril. Hand in Fishy Peril and get Further Concerns.

3.Head to Stonefield Farm and pick up the quests, Lost Necklace, Speak to Gramma and Princess Must Die!

4. Turn in Lost Necklace at Maclure Vineyards and get the follow up, Pie for Billy. Turn in Speak to Granma and get the quest Note to William. Kill boars in the farm to get 4 Chunk of Boar Meat and turn in Pie for Billy. Pick up the next quest, Goldthooth.

5.Go to the Fargodeep Mine and kill the kobolds to get gold dust and candles and find the kobold called Goldthooth and kill him and loot the necklace. Turn in the quests, Gold Dust Exchange, Kobold Candles, The Fargodeep Mine, Goldtooth and Note to William. Congratulations you get level 7.

For the map:
1. Get the quests
2. Stonfield Farm
3. Maclure Vineyards
4. Kill Boars
5. Get the Pie for Billy
6. Give the Pie for Billy
7. Fargodeep Mine and Goldtooth
8./9. Turn in quests

1.Turn in all the comleted quests and pick up Westbrook Garrissson Needs Help and turn it in at the garrisson and pick up the follow ups, Riverpaw Gnoll Bounty and Wanted: "Hogger".

2. Kill Gnolls until you get 8 Painted Gnoll Armband.

3.Find Hogger and kill him. Turn in the quests at Westbrook Garrisson.
If you are not level 10 by now, go and kill some more gnolls.

4. Now, it is time to go back to Goldshire and pick up the quest Report to Gryan Stoutmantle and go to Westfall.

For the map:
1. Turn in and get quest in Goldshire
2. Pick up the follow up quests
3. Kill the gnolls and Hogger
4. Turn in quests
5. Get the quest to Westfall

If you want to get level 80 under 8 days, I recommend you to check out the in-game iDemise Leveling Guide, which is the best guide available as it tells you exactly what to do and puts an arrow in the middle of your screen pointing in the right direction. You will never get lost again!
It is an universal guide, so it covers all races and classes not only humans.
Actually, it is an automated in-game guide, so you don't have to alt+tab out the game to check out what the guide says. It automatically chooses the best quests for your level and will give you advanced tips to further accelerate your leveling speed.
Virtually, you will follow the fastest route to level 80!

I recommended iDemise Guide to one of my friend and he got his level 80 druid in 8 days. He was a complete newbie with no gaming experience. Read his story here.