Here is the full list of all 44 Wipeout: In the Zone achievements worth 1,000 gamerscore.
Crossed the Big Balls without wiping out.
Got Motivated and survived.
Backpedal for 15 seconds uninterrupted.
Balance for 15 seconds uninterrupted.
Run on a Treadmill 45 seconds without stopping.
Trudge through mud as a male character for 10 seconds uninterrupted.
Finish Bruiseball without touching any mud or water.
Swing from Rope to Rope 5 times without falling.
Pump a Pump 20 times in 10 seconds.
Bounce between the Mega Big Balls 10 times in a row.
Get hit by the Crankshaft and survive to the next checkpoint.
Wipe out within the first 5 seconds of a course.
Get flung forward by a Hammer.
Earn a bonus of 30 seconds or more on the Sweeper.
Suffer exactly one wipeout on the last obstacle of a course.
Finish Episode 5 as John Henson or John Anderson.
As John Henson, beat John Anderson in 2-player multiplayer or vice versa.
Get flung into the background as Matt Kunitz.
Complete a Mimic Board as Jill Wagner.
Win a 4-player multiplayer episode as the only female character.
Win a 4-player multiplayer episode as the only male character.
Be blasted as any female character.
Each player gets blasted at least once in a 4-player game.
Get hit by 3 blaster shots simultaneously.
Finish any Qualifier 3 times in a Practice session.
Finish Bruiseball or the Wipealot 4 times in a Practice session.
Finish any Wipeout Zone 5 times in a Practice session.
Beat a Hard Wipeout Zone without wiping out once.
Wipe out on every obstacle of a Wipeout Zone.
Finish the game with an average time of 5:00.000 per episode or better.
Finish the game with an average time of 4:00.000 per episode or better.
Beat Episode 1 with a time of 4:30.000 or better.
Beat Episode 2 with a time of 4:30.000 or better.
Beat Episode 3 with a time of 4:00.000 or better.
Beat Episode 4 with a time of 4:00.000 or better.
Beat Episode 5 with a time of 4:00.000 or better.
Beat Episode 6 with a time of 3:30.000 or better.
Beat Episode 7 with a time of 3:30.000 or better.
Beat Episode 8 with a time of 3:30.000 or better.
Beat Episode 9 with a time of 3:30.000 or better.
Finish the Tryouts.
Finish all the Easy episodes.
Finish all the Medium episodes.
Finish all the Hard episodes.