Hell, if you really want to, you can get pretty close even at lower levels. Ninja 4: +7 Ranks, +3 Skill Focus, +5 Item, +4 Great Leap, +5 Dex (Agile Acrobat and +2 Dex race). That's a +24 right there. It takes a FRA instead of a SA, but your minimum jump is 25ft, giving you 50ft jumping per round.
If you go level 5, you've got enough cash for Boots of Striding and Springing, which gives another +4 (from the +10ft speed) and another +1 from ranks, to +29. That's 60ft per round, 90ft if you roll really lucky (20/20). That's also an average of 70-80 ft per round, rolling 10-11.
Anyway, point is, no it's not bad at all. You could probably actually do better with the Tiger Fang stuff, Sudden Leap, and Leaping Dragon Stance. -4 from losing the Great Leap still gives you +35, and you get three jumps per round.
Anyway, I'm kinda rambling here, if you didn't notice, so I'll shut up.