MyMarathonPace.com - Terrain-adjusted pace bands and pacing spreadsheets for many popular marathons, marathon training plans, running calculators, elevation profiles, and other marathon information.
UltraPace is the ˙·٠•●♥ULTRA♥•٠·˙ pace calculator iPhone app for both runners of marathons and casual runners. It enables you to calculate pace, distance, finish time, calories burned, and speed, all in an intuitive, fun, real-time interface.