Stats for Marathon Runners
Predict your marathon time with machine learning. Compare course difficulty across hundreds of races worldwide.
How It Works
Compare Difficulty
Enter your target time and see how elevation, weather, and surface affect your finish across different courses.
Connect Strava
Link your Strava account to sync training data automatically. We analyse your runs to understand your fitness.
Track Your Progress
Our model combines your PBs, mileage, and training load into a predicted finish time - re-estimated after every run, so you can see it come down.
1,000+
Upcoming Races
60+
Countries Covered
90%+
Prediction Accuracy
Popular Marathons
REVEL Mt. Charleston MarathonHawaii Bird Conservation MarathonSundance to Spearfish MarathonBoundary Bay MarathonGranite State MarathonBears Ears MarathonFredericton MarathonHamburg MarathonBrainerd Jaycees Run for the Lakes MarathonRevel Reno Tahoe Marathon11th Eker I Run Marathon & 15KMud Mountain Dam (Spring) MarathonColorado MarathonSudbury Rocks MarathonSt. George Marathon and Half MarathonDrumheller MarathonOcean City Running Festival MarathonOttawa Fall Colours MarathonMarathon Izmir AvekLentemarathon AmstelveenCalifornia International MarathonWhidbey Island MarathonHyannis MarathonAlexander the Great MarathonNiagara Falls MarathonStennis Space Center MarathonRim Rock MarathonSri Chinmoy MarathonFrisco MarathonYork Marathon
Marathons by Country
Ready to find your next race?
Browse marathons and half marathons with real-time difficulty ratings.