The District Track Club is an elite running group in Washington, DC. And coach Tom Brumlik is here to help demystify 800m training. The 800-meter distance is a magical race: it’s a terrifying journey into the heart of middle distance running. Us distance runners are used to metering out our effort, cautiously sipping fuel to conserve energy, and waiting for the perfect moment to strike. We’re creatures of patience, willing to grind for miles and execute a well-planned pacing strategy…