Back2Fronts is an extensive mod that will overhaul your Call of Duty 2 game to a next level. This mod brings more variety, intensity, realism and battle-like experience. Try new weapons, fight new enemies, fulfil new missions and explore new options. Mod is SP and MP friendly (although primary part is SP).
This video shows pre-alpha Back2Fronts version of sprinting feature. It includes unique sprinting animation, breathing effects (sounds) and 2D HUD graphics (sprint energy meter). The video captures the usefulness of this feature for gameplay. The script was created by Tomalla, nonscript stuff is by me.
The sprinting feature has been updated, check out images section here to see it.