Fast Fall

From Halopedia, the Halo wiki

Fast Fall is an achievement in Halo: The Master Chief Collection. It is worth 10 gamerscore. It is awarded by beating the par time on all Halo: Reach campaign levels.

Par Times
Level Achievement Par Time
Winter Contingency Winter Urgency 15:00
ONI: Sword Base Just Like Storming a Castle 10:00
Nightfall Now Just You Gúta Minute 10:00
Tip of the Spear Generous Tipper 15:00
Long Night of Solace Sabre Metrics 25:00
Exodus Quicker Than Reading the Book 20:00
New Alexandria One For the Record Books 20:00
The Package Speedy Delivery 20:00
The Pillar of Autumn Wait, How'd the Ship Get Down Here? 20:00