NATIONAL GEOGRAPHIC
VIDEO HOME
NAT GEO TV
NAT GEO WILD
KIDS
MORE VIDEOS
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
Exploration & Adventure
Running: What's Your Distance?
Elite marathon runner Caitlin Smith shares her passion for long distance running.
more
X
Exploration & Adventure
Running: What's Your Distance?
Adventure Sports
Adventure
Elite marathon runner Caitlin Smith shares her passion for long distance running.
X
Exploration & Adventure
Running: What's Your Distance?
Elite marathon runner Caitlin Smith shares her passion for long distance running.
Share Link
Featured Videos
Related
Zero to 60: Blustery Suffering
Zero to 60: The Journey Not the Destination
Zero to 60: Night Snowboarding
Zero to 60: King of the Jungle
Zero to 60: River Surfing
Zero to 60: Glacial Solitare
Zero to 60: A Space in Time
NG Live!: Bryan Smith: Adrenaline Filmmaking
Zero to 60: Deep Water Solo
Zero to 60: Many Faces in Different Places
NG Live!: The Moonshot
Zero to 60: Life in Oman
NG Live!: Gregg Treinish: Adventures in Conservation
Zero to 60: Keeping Pace
Zero to 60: Climbing Arches in Chad
Zero to 60: In Search of the Perfect Run
The Impossible Climb: Chris Sharma
NG Live!: Sarah and Eric McNair-Landry: Kite-Skiing in the Arctic
Radical Reels: Miller’s Thriller: Ski BASE (Custom edit for the Radical Reels Tour)
Radical Reels: Concrete Dreams
Radical Reels: From the Inside Out (Custom edit for the Radical Reels Tour)
Radical Reels: Here We Go Again (Custom edit for the Radical Reels Tour)
Egypt Antiquities Missing
Running: Ever Last
Walking Across Yosemite Falls
Radical Reels: The Art of Flight (Special Edit)
Anaconda Bite
Radical Reels: Narsicame
Radical Reels: Reel Rock: Race for the Nose
NG Live!: Alone on the Ice: The Best Survival Story You've Never Heard
Radical Reels: All.I.Can: Perseverance (Custom edit for the Radical Reels Tour)
NG Live!: Mike Libecki & Cory Richards: Antarctic Mountain Climbing
Radical Reels: Frontier (Custom edit for the Radical Reels Tour)
Brothers Wild: Timmy and Sean O'Neill
Alone on the Wall: Alex Honnold
Radical Reels: Whitewater Grand Prix
Fly or Die: Dean Potter
Radical Reels: Cat Skiing
Kayak Waterfall Record
Hiking the Colorado Trail
Edurne Pasaban: 2011 Adventurer of the Year
Meet the 2013 Adventurers of the Year
Underground Adventure: Spelunking
Chigger Infestation
Adventurers of the Year in Action!
Snowkiting Greenland
Shark Attack: Survival Guide
Newest
Technology
Category:
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
Vincent J. Musi: Where the Wild Things Live
24:20
News
Why a Giant Machine Is Digging a Tunnel Under D.C.
02:30
News
Baby Blue Whale Nursing (Exclusive Drone Footage)
02:03
Pumpkin Catapult
03:09
I Didn't Know That: Inside a Plasma TV
01:17
News
Ancient Maya Cities Found Hidden in Guatemalan Jungle
01:40
News
Mars Rover's "Seven Minutes of Terror"
03:10
News
NASA Probe to Explore Jupiter
01:57
News
Watch How Ordinary Objects Can Be Turned Into Robots
00:58
News
T. Rex in 3-D
00:50
NG Live!: Shah Selbe: Using Tech to Protect the Seas
14:27
News
Mobile Technology and the Art of the Possible
15:44
News
Tracking Illegal Fishing—From Space
03:16
News
Horses vs. Horsepower: Watch Historic Rides Race Each Other
03:20
Magazine
What It Takes to Film Hummingbirds in Slow Motion
02:18
News
Beloved Robot Dogs Honored In Funeral Ceremony
03:19
Show More Videos
