One thousand yards. Doesn't seem like much. You can probably walk that distance in 10 minutes, maybe 12. A world-class male runner can run 1,000 yards in a little over two minutes.
Spread that 1,000 yards out over three months and it seems almost trivial.
Unless…
Unless you're carrying a football, with 11 strong, fast, skilled and highly-motivated opponents contesting every inch of that 1,000 yards, trying to drive a shoulder through your solar plexus or tackle you off your feet or move you completely off the field.
So yes, you have to be good to rush for 1,000 yards in a college football season.