Frenzied Berserkers and Knight Protectors in Complete Warrior get a Supreme Cleave ability that lets them take a 5' step in between cleave attempts. Supreme Cleave was a feat in 3.0, but it looks like it stopped being a feat in 3.5, possibly.
Races:
Xeph Burst ability +10' (1st) +20' (5th) +30' (9th) lasts 3 rounds, 3/day Competence
Thrikreen +30 Racial to Jump
Class Dips:
Horse Totem Barabarian 2 +10' and Run feat
Fist of the Forest 1 +10'
Duskblade 1 (2-3/day Swift Expeditious Retreat +30')
Cleric +10' (Celerity domain -- See below)
Bloodclaw Master 2 Tiger Claw Synergy +10' while in Tiger Claw stance
Traits/Feats:
Quick Trait: +10', -1HP/level
Planar Touchstone: Catalogs of Enlightenment (Celerity) +10 feet
Speed of Thought +10' Insight (Req's PP reserve (for Psionic Focus) and Wis 13)
Mental Leap +30 to Jump Check (Expend Psionic Focus)
Leap of the Heavens No increased DC for not running, +5 competence on Jump if you do.
Manuevers/Stances/Skill Tricks
Sudden Leap Swift action automatically Jump check, move the result of your check.
Leaping Dragon Stance +10 to Jump Checks, considered running
Extreme Leap Horizontal Jump of 10' or more allows you to move 10' as a swift action
Also see:
http://rpg.stackexchange.com/q...and-higher-in-dd-3-5