Gather 1 Nether Wart
Gather 1 Water Bottle
Gather 1 Blaze Powder
Gather 1 Sugar
Place the Water Bottle in a Brewing Stand
Add Blaze Powder to power the Brewing Stand
Brew the Water Bottle with Nether Wart to make an Awkward Potion
Brew the Awkward Potion with Sugar to make a Potion of Swiftness
Optional: add Redstone to extend the duration
Optional: add Glowstone Dust to make a stronger version of the potion