Your running pace is usually measured by your average mile time, or at least, by what I understand. I'm a competitive distance runner, so I'm also familiar with the term Race Pace - which is the pace you run at during a race. These are different.
Young hippos can only stay under water for about half a minute, but adults can stay submerged up to six minutes. Source(s): http://www.awf.org/wildlives/140 johnslat Â· 1 decade ago
Green sea turtles can stay under water for as long as five hours even though the length of a feeding dive is usually five minutes or less. Their heart rate slows to conserve oxygen: nine minutes may elapse between heartbeats.