Editing 4SRD:Basics (section)

==SPEED==
Your speed tells you how far you can move in a round and still do something, such as attack or cast a spell. Your speed depends mostly on your race and what armour you are wearing.<br>
Dwarves, gnomes, and halflings have a speed of 25 feet (5 squares), or 20 feet (4 squares) when wearing heavy armour (except for dwarves, who move 25 feet in any armour).*<br>
Elves have a speed of 35 feet (7 squares), or 30 feet (6 squares) in heavy armour.*<br>
All other races have a speed of 30 feet (6 squares), or 25 feet (5 squares) in heavy armour.*<br>
If you use two move actions in a round (sometimes called a “double move” action), you can move up to double your speed.<br> 
If you run all out, you can move your speed plus 10 additional feet (2 squares). Running incurs combat advantage against you, and you take a -5 penalty to attack until the start of your next turn.*
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