Wind At Back

(Spell Compendium, page 239, DnD 3.5)

Evocation

Level: ; Druid 4
Components: V, S
Casting Time: 1 standard action
Range: Medium (100 ft. + 10 ft./level)
Target: One creature/level, no two of which are more than 30 ft. apart
Duration: 12 hours
Saving Throw: Fortitude negates (harmless)
Spell Resistance: Yes (harmless)

You intone the words that will give you and your allies speed and stamina for the long journey ahead. Your companions are bathed in a soft green radiance as the spell is cast.

This spell doubles the overland speed (PH 164) of all subjects, assuming they are all traveling together in the same direction, including pack animals and mounts. This spell does not affect nonliving material. The spell does not affect tactical speed.