patagonia lightweight duffel 45l Black Hole™ – Worn Wear® Its large main compartment Travel Bag Patagonia Black Hole

Check your local Dollar General store for availability.

there is a pouch on the interior and a band for the bladder to be mounted, but no hole for the hose, meaning it just has to be lazily draped out of the side of the main pocket

Love it!See all Laptop Backpacks Product Description A black polyester and nylon backpack featuring a padded compartment for laptops up to 17 inches.$134.99 Your price for this item is $134.99 Targus - Octave III Backpack for 15.6 Laptops - Papyrus SKU: J7QXPVCQCGSee all Laptop Backpacks Product Description A lightweight papyrus-colored nylon backpack with padded laptop pocket, breathable back, and multiple easy-access compartments.$16.99 Your price for this item is $16.99Save $23Was $39.99The previous price was $39.99 Samsonite - Modern Utility Laptop Backpack for 15.6" Laptop - Charcoal/Charcoal Heather SKU: J7GJFVC7CF Great

It has multiple organization pockets, too

However, unless your race is self-supported, you might not need to carry as much as fastpacks allow