Psychology / Decision-Making / Strategy
Psychology / Decision-Making / StrategyRunyon's Law
Favorites do not always win; underdogs do not always lose.
Popularity
Usefulness
Aliases
Uncertain-outcome principle
Domains
Strategy, competition, decision-making, risk
Definition
- Runyon's Law holds that the faster runner does not always win the race and the weaker fighter does not always lose — outcomes are never fully certain.
Core Idea
- Favorites do not always win; underdogs do not always lose.
- Chance, conditions, and effort make outcomes uncertain.
- Never assume a result is guaranteed by apparent advantage.
How It Works
- Real contests involve variability, luck, and momentum.
- The stronger party can falter; the weaker can seize an opening.
- So both the favored and the underdog should stay alert and try.
Usage Example
- A heavily favored team loses to an underdog that prepares well and exploits a weakness — a reminder that advantage is not destiny.
Famous Example
- Example: The sentiment echoes Damon Runyon's quip that the race is not always to the swift, nor the battle to the strong — "but that's the way to bet."
- Why it fits this rule: It captures the gap between likely and certain outcomes.
- Verification status: The phrasing traces to Runyon (and ultimately Ecclesiastes); used as a maxim about uncertainty.
Use Cases / Situations Where It Applies
- Competitive strategy and risk assessment.
- Guarding against overconfidence.
- Encouraging underdogs to compete.
When Not to Use or Common Misuse
- Do not use uncertainty to ignore real probabilities and odds.
- Do not treat every underdog as likely to win.
- Do not abandon preparation by trusting to luck.
Rule Invention / Origin
- Invented by: Associated with Damon Runyon; idea rooted in Ecclesiastes.
- Year of invention: Early 20th century (Runyon's phrasing).
- Country / context of origin: United States.
Evidence / Research Basis
- A maxim about variance and uncertainty rather than an empirical law.