1. Until indicates the time of change of an activity or situation.

Pattern 1: verb + until + time
They waited until six o'clock.
The boys studied until midnight.

Pattern 2: verb + until + beginning of event
They lived here until their wedding; then they left.
She was busy until her graduation.
They didn't watch the game until halftime.

Jogging Tips and Guidelines

The Even Pace Rule

The best way to race to a personal best is to maintain an even pace from start to finish. Most of the 10,000 meter and marathon world records set in the last decade have featured almost metronome like pacing. If you run too fast early in the race, you almost always pay for it later, warns Jon Sinclair, the U.S. 12 K record holder and now an online coach anaerobic.net . The Exception This doesnt apply on hilly courses or on windy days, when the objective is to run an even effort.