Fieldday is a full program that runs in your browser and needs JavaScript. Please enable JavaScript, or use its engine as tools without it:
- Padel & Pickleball Scheduler – Fair Americano or Mexicano doubles rounds with balanced sit-outs, scores and standings.
- Tournament Bracket Maker – Single or double elimination or round robin: seeded brackets, byes, results and downloads.
- Elo/Glicko Rating Lab – Rate players from game results with Elo, Glicko-1 and Glicko-2; history chart and win odds.
- Sports What-If Simulator – Simulate a match or a small league with a Poisson goal model — and replay “what if”.
- Sports Travel-Fatigue Estimator – Travel distance, time-zone jumps, rest and back-to-backs per game as a fatigue score.
- Running Pace & Splits – Pace, time or distance in km or miles, splits, race predictions, treadmill speed, laps.
- One-Rep-Max & Plate Loader – 1RM from any set (7 formulas + average), % and RPE tables, and which plates to load.
- Random Generator – Random numbers, dice, coins, list picks, shuffles, fair teams, dates, strings and UUIDs.
- Jet Lag Planner – A day-by-day sleep, light and caffeine plan to beat jet lag, with calendar export.
← Fieldday · Tutorials
Fieldday
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