How young is too young to run a marathon?
11-year-old reportedly becomes the youngest person to run a half marathon in all 50 states
90-year-old marathon runner breaking world records
Record-Breaking! The Youngest Person in His Category to Complete a Marathon
Meet Calix Fattmann: Youngest Person to Run 100th Marathon
13-Year-Old FASTEST Long Distance Runner 💪
He ran a MARATHON without training 😱🏃♂️ #shorts
UNBELIEVABLE Six Year Old runs FULL MARATHON! [kids run marathon]
B.C. runner misses 60-hour marathon cutoff by 6 seconds
102-Year-Old is a Champion Sprinter
Young mini marathon runner
18 years after saving his life, marathon athlete runs for Boston Children's
The Fastest 10-Year-Old In World History
Youngest Boston Marathon Runner Preparing For Race
This Man Catches Marathon Cheaters And Calls Them Out On His Blog | TODAY
A full week of marathon training
Marathon's youngest athlete running for Be Like Brit
Meet Jacqui Bell: The youngest person to run an ultra marathon on every continent
11-year-old Completes Marathon on All 7 Continents
Mantz and Young Run Olympic Standard at Chicago Marathon