Marathon is a rune effect in [[File:IconSprint.png|leftSprint]]''', a [[SprintFury]]''' is a Fury Spending -spending [[Barbarian skill]] unlocked at [[clvl|Level]] 24.

A This rune effect offers a substantial increase to the duration and speed of the Sprint.  ==Skill Rune Effects==Refer to the [[Crimson RuneSprint rune effects]] placed article for a thorough description of the rune effects in it this skill, including screenshots and videos. {{skill description header}}<skill class="Barbarian">Sprint</skill><skill class="Barbarian" rune="Marathon">Sprint</skill>  ==Media== Screenshots and videos will alter be added post-release.  ==Development== Prior to the February 2012 skill in and rune overhaul, this effect was granted by the [[Crimson Rune]], which created the following way.skill effect: