Running tips, training insights, and race-day strategies from your AI coach.
You've finished 50Ks. But 50 miles starts a different race after mile 35 — one your 50K training never touched. Here's how to close the gap.
What VDOT is, the five Daniels training zones (Easy, Marathon, Threshold, Interval, Repetition), and how to get all of them from a single recent race.
How many carbs, how much fluid, and how much sodium per hour for an ultramarathon — the real ranges, why gut training matters, and how to dial in your own numbers.
Enter one recent race result and get predicted finish times from 5K to 100 miles. Free, no signup. Here's the math behind it, where it works, and where it lies to you.
Pace is just time divided by distance. Here's how to use a pace calculator to set even splits, why even pacing beats going out hot, and how to turn the number into a race-day plan.
Strava now connects to Claude AI. Here's what the MCP connector actually does, what it costs, and how to get AI training analysis without the setup.
Speed training can improve your ultramarathon finish time by 15-25 minutes without sacrificing durability. Learn which intervals and tempos actually transfer to 50K racing.
Learn why running tired on Sunday teaches your body the core demand of a 100-miler. Discover when to add consecutive long runs and how to validate the adaptation in your training data.
Build a 50K training plan designed for ultrarunning durability, not speed. Learn the metrics that predict readiness and a proven 12-week training structure.
Your watch records elevation gain on every run. Here's how to actually use those numbers to plan ultra training and predict race performance.
Your training splits already know how your ultra will go. Five signals to read in your data — weeks before the start line.
How to train for Western States 100 — canyon climbs, downhill quads, heat acclimation, and pacing the most competitive ultra in North America.
A data-based readiness checklist for your first 100-miler. Use your Strava training metrics to honestly answer: are you actually ready?
Your GPS watch calculates ACWR every week but never explains it. Here's how ultra runners actually use training load data to avoid injuries.
The 9 exercises that prevent injury and build durability for 50K to 100-mile races. Plus a 12-week programming guide for ultra runners.
How to handle ultra aid stations in under 5 minutes without underfueling. The pre-arrival checklist, in-station workflow, and downstream bonk math.
Honest comparison of Strava, TrainingPeaks, and NavRun for ultra runners. What works for 100-mile training, what doesn't, and what to use when.
Why runners over 40 dominate ultras — the science of masters performance, recovery, and how to train as your body changes.
What ultra runners actually carry vs what stays in the drop bag. A gear-by-gear breakdown of mandatory kit, dead weight, and pack organization.
Named mental frameworks ultra runners use when the brain says stop. The pain cave, the 10-minute rule, chunking, mantras, and reframing pain.
Your ultra race splits, heart rate, and pace data hold the forensic evidence of where you left time. Here's how to read them.
A 6-metric framework to measure if your back-to-back long runs are producing adaptations. Track ultra training effectiveness using Strava data.
The 5 numbers ultra runners should check every Monday. Learn which weekly training metrics actually predict race readiness and injury risk.
Science-based recovery timelines after ultramarathons. How long to rest after a 50K, 50-miler, 100K, or 100-miler — and when to start running again.
Spot overtraining before it sidelines you. Learn the 7 warning signs ultra runners miss and how to monitor training load without guessing.
The 6 daily habits that keep high-mileage ultra runners healthy. Science-backed injury prevention for 50K to 100-mile training.
How altitude affects ultra performance and a practical prep plan for sea level runners racing above 5,000 feet. Acclimatization, pacing, and fueling tips.
Specific real food options ultra runners use during 50-mile and 100-mile races. Includes what to carry, what to grab at aid stations, and when to eat what.
How much sodium you actually need per hour during an ultra, how to test your sweat rate, and how to avoid hyponatremia. Science-backed hydration guide.
A week-by-week gut training protocol for ultra runners. Build race-day nutrition tolerance so your stomach cooperates at mile 60.
How to calculate your calorie targets and build a nutrition plan for 50K to 100-mile ultras. Includes a per-hour fueling framework.
A clear decision framework for when to drop from an ultramarathon and how to process a DNF without regret. Physical, mental, and contextual factors.
The complete guide to crewing and pacing an ultramarathon. Gear checklists, aid station tactics, night pacing tips, and the mistakes that cost runners hours.
How to train for, gear up, and mentally survive the dark hours of a 100-mile ultramarathon. Practical strategies from sports science and race experience.
Learn power hiking technique, when to hike vs run, and how to train the skill that saves your legs and wins ultramarathons. Free training tips inside.
Road runner going off-road? Learn the gear, technique, and training shifts you need for a safe, fun transition to trail running.
Racing 50Ks, 50-milers, and 100s in one year? Learn how to structure your ultra season with A/B/C race tiers, recovery blocks, and smart periodization.
Break your 5K PR with proven workouts, race-day execution tips, and a data-driven approach to finding your realistic goal pace.
Negative splits, even splits, or positive splits — which pacing strategy leads to a faster race? The science, the tradeoffs, and when to trust the plan.
Your road PR means nothing on trails. Learn why pace drops 10-20%, how to set realistic trail goals, and why effort matters more than splits.
Master the marathon taper: cut mileage correctly, keep intensity, and arrive at the start line fit, fresh, and ready to PR. Week-by-week guide.
Strava tracks your runs, but it won't warn you about injury risk, predict your race time, or build your next training plan. Here's what's missing.
What really happens when AI builds your running plan. The data, the logic, the limits -- and what to look for in a good one.