Sierra 117 - Legendary Speedrun Guide

Halo 3: "Sierra 117" - Legendary Speedrun Guide (Master Chief Collection)

Halo 3 MCC: Sierra 117 Legendary Par Time Speedrun Guide (Under 8 minutes!)

[Halo 3] Sierra 117 - Legendary Speedrun Guide

[WR] Halo 3 Sierra 117 Legendary Speedrun in 5:21

SasquatchSpeedruns

Halo MCC - Halo 3 Speedrun (Part 1: Sierra 117) - Devastating - Achievement Guide

Halo Completionist

Halo 3 "Sierra 117" Speedrun (Legendary Zero Shot World Record)

Halo 3 Legendary Speedrun Tutorial: Sierra 117

Halo 3 Speedrunning: Sierra 117 In-Depth Legendary Tutorial

[WR] Halo 3 Co-op Sierra 117 Legendary Speedrun in 4:49

SasquatchSpeedruns

Halo 3 Full Game Legendary in 1:08:13 WR

byNailz byNailz

Sierra 117 Easy Speedrun 4:51

Halo 3 Devastating Achievement: Sierra 117

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