CamelBak Rim Runner: Primary uses: Peak bagging, and fast packing. Winter: Telemark and Nordic day trips.
CamelBak Cloud Walker: Primary uses: Same for my wife--Peak bagging, and fast packing. Winter: Telemark and Nordic day trips.
CamelBak HAWG: Primary uses: Adventure races: AdventureExtreme 12 and 24 hours. I also use the original "old school" HAWG (1996) for mountain bike training and endurance racing.
More information> Proper Hydration for adventure racing and endurance sports competitions
Bottom Line: Match the race requirements and your personal needs to find the smallest and lightest pack available. These packs are considered large and are used on multi-day adventure races or multiple days fast packing. Small Hydration packs>>
 CamelBak Chaos Hydration Pack - 2L CamelBak made the low-profile Chaos Hydration Pack durable for all of your hardcore descents. Suck down all two liters of water during your ski or biking adventures. |  CamelBak Charm Hydration Pack 1.5L - Women's The CamelBak Womens Charm Hydration Pack is super easy to fill, has a zip pocket for keys and energy gel, and actually feels comfy on your back. |  CamelBak Day Star Hydration Pack 2L - Women's A CamelBak designed specifically for women? Yeah baby! Bust out for that day hike with the CamelBak Womens 2L Day Star Hydration Pack. |
 CamelBak Hydrobak Hydration Pack - 1.5L The CamelBak Hydrobak Hydration Pack combines absolute comfort with a high-performance, low-profile design. |  CamelBak Lobo Hydration Pack - 3L CamelBaks 3 Liter Lobo Hydration Pack keeps you watered throughout your grueling bike ride. |  CamelBak Mayhem Hydration Pack - 3L CamelBak made the Mayhem Hydration Pack with durable nylon, and burly zippers, and a 3L reservoir, so this pack takes your adrenaline-crazed bike rides and rough gravel crashes in stride. |
 CamelBak Octane XC Hydration Pack - 2L Thanks to a two-liter water reservoir and stash pockets on the sides of the waist-belt, the CamelBak Octane XC Hydration Pack takes care of your watering and fueling needs. |  CamelBak Rogue Hydration Backpack - 2.1L Going on a century ride? Go longer and feel stronger with CamelBaks streamlined Rogue Hydration Backpack. This pack holds two liters of water, a bike pump, tools, and an energy bar. |  CamelBak Sno Angel Hydration Pack - Women's Thanks to curved harness straps, the CamelBak Womens SnoAngel Hydration Pack keeps you comfortable on the hill. Stash your keys and wallet in the front pocket, fill the two-liter water reservoir, and ... more info. |
 CamelBak Sugar Hydration Pack - Women's The CamelBak Womens Sugar Hydration Pack carries water, a few snacks, and an extra layer for a day on the slopes. Thanks to a curved harness and high sternum strap, this backpack wont feel like an ... more info. |  CamelBak Velocity Hydration Pack - 2.1L Bring extra snacks with you for the long haul, or enjoy a shorter, scenic bike ride with CamelBaks 2.1L Velocity Hydration Pack. A detachable saddle bag holds 30cu in of cargo to keep you going for ... more info. |  CamelBak Zoid Hydration Pack The CamelBak Zoid hydration pack holds 72 ounces of water and sports a low-profile design for when you only bring the essentials. |
 DAKINE Drafter Bike Pack - 700cu in The DAKINE Drafter Bike Pack is a small- to medium-sized hydration pack with a 70oz Flowlock reservoir and a versatile organization system for your mountain biking essentials. |  The North Face Gulper Backpack - 550cu in Pack snacks in The North Face Gulper Backpack, store your bike pump in the external elastic pump holder, and head up the road. With a two liter water reservoir, this pack keeps you hydrated on ... more info. |  The North Face Hammerhead Backpack - 730cu in Hammerhead sharks are a bit disconcerting. So is running out of water halfway through your day hike. Thanks to a 100oz water reservoir, The North Face Hammerhead Backpack keeps you watered for a few ... more info. |
 The North Face Mako Hydration Backpack - Women's - 730cu in Sometimes backpack straps make you feel like youre wearing one of those old, U-shaped orange life jackets. Thanks to a womens-specific hip-belt and shoulder harness, The North Face Womens Mako ... more info. |  The North Face Sailfin Hydration Pack - Women's - 185cu in The North Face built the Womens Sailfin Hydration Pack with rubberized mesh shoulder straps and a sternum strap, so this pack and the 70oz water reservoir remain snug on your back while you go the ... more info. |  The North Face Thresher Hydration Pack - 250cu in Grab The North Face Thresher Hydration Pack and fill the two-liter water reservoir for your bike ride. Secure your bike pump in the outside elastic pump holder, and stick a windbreaker under the ... more info. |
Other backpacks for adventure racing and backcountry travel: