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
Environmental Threats
Category:
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
How We Can Keep Plastics Out of Our Ocean
03:10
Magazine
Tiger Sharks: Swimming With an Awesome Predator
01:36
101 Videos
Climate Change 101 with Bill Nye
04:09
NG Live!: The Power of Photography to Prove
11:10
News
Heart-Wrenching Video: Starving Polar Bear on Iceless Land
01:22
Why the Ocean Matters
02:40
Short Film Showcase
Kids Take Action Against Ocean Plastic
04:11
A Way Forward: Facing Climate Change
07:43
News
What Happens If Your Town Runs Out of Water?
04:35
News
See a Farm Convert Pig Poop to Electricity
05:15
News
Photo Evidence: Glacier National Park Is Melting Away
03:13
Short Film Showcase
Step Into a Miniature World of Animated Paper Wildlife
02:39
News
WATCH: Fire Tornado Captured in Rare Video
00:51
News
Here's How Much Plastic Trash Is Littering the Earth
01:23
News
Watch an Eerie Tree Burning From the Inside in California Wildfire
01:03
101 Videos
Venus 101
03:28
Show More Videos
