An evidence-graded knowledge base on distance running, biased toward what is real, science-based and proven, and honest about what is not. Start with the basics; it puts everything else in proportion.
Every claim-bearing page carries an evidence: grade (strong / moderate / limited / weak / contested) and cites its sources at the point of each claim. See the contributing guide for the schema and editorial stance.
Start here
- The basics (what actually matters) — run a lot, mostly easy; sleep well; eat a balanced diet; be consistent. Almost everything else is the last few per cent.
- Running for beginners — how to start from scratch and stay uninjured.
- Running for intermediates — the next stage, once you can run comfortably for half an hour.
- Individual variation — why even good average evidence is only a starting point for you.
- Motivation, habit and adherence — the real limiter is showing up; how to build the habit and keep it.
Physiology (concepts)
How the body produces and sustains running speed: VO₂max, lactate threshold, critical speed and power, running economy, durability, VO₂ kinetics, the energy systems, fat oxidation and metabolic flexibility, anaerobic capacity and speed reserve, glycogen, and the muscular and cardiovascular and respiratory adaptations training produces, the timelines that explain why injuries come from rushing, thermoregulation, fatigue mechanisms, biomechanics and gait and how intensity is carved into training zones.
Populations and health: the female runner, the menstrual cycle and training, pregnancy and postpartum running, masters runners, youth and adolescent runners, running and health, illness and immune function, air quality and pollution, heat illness, exercise-induced bronchoconstriction and early and late developers.
Training (techniques)
What to do and why, starting from the types of training: volume versus intensity, training for your own ability, training your limiter, base building, the long run, threshold and tempo, intervals, hill training, fartlek, double-threshold, 80-20, strides and drills, training aids, periodisation, tapering, strength training, plyometrics, heat acclimation, altitude training. Then how to apply it: the warm-up and cool-down, distance-specific training, ultramarathon and trail training, race pacing and racing tactics for racing other people rather than the clock. Managing the load and coming back: training-load management, cross-training and return to running. The major systems are surveyed, descriptively not promotionally, in training philosophies. Guiding intensity and the mind: heart-rate and effort-based training, mental training and sports psychology, and the run-walk method for beginners and comebacks. Practical conditions: treadmill running, running surfaces, cold-weather running, running in the dark, and music as a small aid, plus an honest look at breathing and respiratory training.
The training environment
How and with whom you train. Run clubs and group running, and parkrun in particular, are among the most reliable ways to stay consistent, though the headline health gains are mostly measured in self-selected joiners. Athletics clubs unlock affiliation, licensed coaching and the competition calendar, with no proven club effect beyond self-selection. Coaching helps most through individualisation and accountability, but no trial isolates a coaching effect over self-coaching. The training apps that track and prescribe give a modest, fading nudge, while their load metrics and AI plans are weaker than they look.
Racing distances (events)
Each event as a unit: its energy-system demands, its dominant limiter and the training it rewards, spun off the distance-specific training overview. On the track, the 800 m (won on speed reserve and lactate tolerance), the 1500 m and the mile (VO₂max and a kick) and the 3000 m (the bridge to long distance). On the road and longer track, the 5k (the classic VO₂max event), the 10k (VO₂max leaning to threshold), the half marathon (a threshold event) and the marathon (threshold, economy, durability and fuel). Ultras keep their own page under ultramarathon and trail training, and cross country is the off-road winter discipline, decided by terrain rather than distance.
Nutrition (nutrition)
Start with the foundation, daily carbohydrate, protein and energy needs, then how to evaluate any supplement claim, recognise the marketing playbook behind the shelf, and weigh the safety side in supplement contamination and anti-doping. The proven aids and practices: carbohydrate in races, gut training, pre-race fuelling, recovery nutrition, caffeine, nitrate, bicarbonate, iron, vitamin D and calcium and collagen and vitamin C. The honest take on hydration, electrolytes, magnesium and protein and supplements; the contested dietary strategies, low-carbohydrate and keto and carbohydrate periodisation; alcohol, omega-3, menthol, curcumin and plant-based running; and clearly caveated pages for the weak, hyped and marketing-driven stuff, CBD among it.
The bigger picture on fuelling and health: Relative Energy Deficiency in Sport (RED-S), body composition and weight, and disordered eating in runners.
Gear (gear)
How to choose running shoes and trail shoes, the super-shoes with the foam and plate inside them and the sole geometry (stack, drop and rocker) that shapes them, spikes, foam durability, barefoot and minimalist running, insoles and orthotics, and how to read GPS watches and heart-rate monitors without being fooled by vanity numbers, why continuous glucose monitors are not worth acting on, plus sports bras and running apparel: essential support and the honest case on socks and fabrics, compression apparel (little for performance) and hydration carriers.
Recovery (recovery)
Sleep, napping, adaptation, overtraining, recovery modalities, delayed onset muscle soreness, cold water immersion, active recovery, sauna, stretching, massage, and the gadgets (foam rolling, massage guns, compression boots), plus blood-flow-restriction training, monitoring, life stress, travel and jet lag, deload and detraining.
Injury (injury)
Staying on the road beats every marginal gain, so injury prevention and a sensible return to running earn their own pages. Most running injuries are overuse from training-load errors: bone stress injuries, tendinopathy (including Achilles), patellofemoral pain, plantar fasciopathy, calf and hamstring strains, the remaining common overuse injuries (iliotibial band, shin splints), and the everyday practical niggles and muscle cramps. The hands-on treatments people reach for are graded honestly in manual and passive therapies: shockwave is the one standout, while chiropractic, osteopathy, dry needling, acupuncture and the soft-tissue therapies (ART, Graston, cupping) mostly offer short-term, non-specific relief. General knowledge, not medical advice.
People (entities)
The coaches and scientists behind the methods: Lydiard, Daniels, Canova, Pfitzinger, Maffetone, Seiler, Iglói, Bakken, Noakes, Fitzgerald.
Sources (sources)
Every cited work, with its location and headline finding. Provenance is non-negotiable: every claim links back to one of these.