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Baseball · Level 5: Upper-Intermediate · Sub-level 5.2

Base-Running Decisions

10 tests · 100 facts · updated 28 October 2026 · markdown

First to third, scoring from second, tagging up from third, going on contact, the outs and third base, breaking up a double play, running with two outs and a full count, line drives, the extra base on a throw, and speed and risk.

Each test below is ten questions on Insporta. The list under a test is what the questions check: one fact per question, with the source it was written from. Read it before the test, or come back from a wrong answer.

Test 1First to third on a singleTake a test

  1. The right fielder has the longest throw to third.

    Source: General baseball reference · recall

  2. The left fielder is close to third base.

    Source: General baseball reference · recall

  3. He reads how fast the fielder gets to the ball.

    Source: General baseball reference · recall

  4. A ball in front of him lets him judge the play without the coach.

    Source: General baseball reference · recall

  5. A quick, charging fielder can throw him out at third.

    Source: General baseball reference · recall

  6. From third, a fly ball or groundout can bring him home.

    Source: General baseball reference · recall

  7. On a ball behind him, the runner relies on the coach's signal.

    Source: General baseball reference · recall

  8. Read, round, check the coach, slide.

    Source: General baseball reference · applied

  9. The longer the throw to third, the easier the extra base.

    Source: General baseball reference · applied

  10. From right field the throw to third is the longest.

    Source: General baseball reference · applied

Test 2Scoring from second on a singleTake a test

  1. A two-out runner is already moving when the ball is hit.

    Source: General baseball reference · recall

  2. A short throw home gives the runner less time.

    Source: General baseball reference · recall

  3. A strong arm or nobody out argues for holding him.

    Source: General baseball reference · recall

  4. With nobody out, there are many other ways to score.

    Source: General baseball reference · recall

  5. With two outs, the inning ends on any out, so taking a chance is worth it.

    Source: General baseball reference · recall

  6. The infielder can cut the throw to stop the batter taking second.

    Source: General baseball reference · recall

  7. Moving on the pitch puts him in motion as the ball is hit.

    Source: General baseball reference · recall

  8. Contact, round third, wave, slide.

    Source: General baseball reference · applied

  9. Deep balls far from home give the runner time.

    Source: General baseball reference · applied

  10. A windmilling arm sends the runner home.

    Source: General baseball reference · applied

Test 3Tagging up from thirdTake a test

  1. A runner must tag up and leave only after the catch.

    Source: General baseball reference · recall

  2. A fielder close to the infield can get the ball home in time.

    Source: General baseball reference · recall

  3. A fake can force a hurried, wild throw.

    Source: General baseball reference · recall

  4. A caught foul fly is a live catch, so runners may tag up.

    Source: General baseball reference · recall

  5. Set up to run, he loses no time once the ball is caught.

    Source: General baseball reference · recall

  6. Deep flies score anyway; medium ones depend on the arm.

    Source: General baseball reference · recall

  7. If a batted ball hits him in foul ground it is only a foul ball.

    Source: General baseball reference · recall

  8. Tag, catch, go, sprint.

    Source: General baseball reference · applied

  9. The deeper the fly, the longer the throw home.

    Source: General baseball reference · applied

  10. A fielder that close can throw him out at home.

    Source: General baseball reference · applied

Test 4Going on contactTake a test

  1. On contact he breaks for home as soon as the ball is on the ground.

    Source: General baseball reference · recall

  2. Late in close games, teams risk the runner to get the run.

    Source: General baseball reference · recall

  3. A hard ball to a fielder can get the runner thrown out at home.

    Source: General baseball reference · recall

  4. He breaks only on a slow or wide grounder.

    Source: General baseball reference · recall

  5. Fielded on the mound, the ball is a short toss from the plate.

    Source: General baseball reference · recall

  6. Breaking on a liner that is caught leaves him stranded off the bag.

    Source: General baseball reference · recall

  7. A drawn-in infielder can throw home in time.

    Source: General baseball reference · recall

  8. Ball down, break, the out at first, the run scores.

    Source: General baseball reference · applied

  9. Slow balls far from home are best; a ball to the pitcher is worst.

    Source: General baseball reference · applied

  10. He does not wait to see where the grounder goes.

    Source: General baseball reference · applied

Test 5The outs and third baseTake a test

  1. Being thrown out at third with nobody out or two out costs too much.

    Source: General baseball reference · recall

  2. From second with nobody out he could score on later hits anyway.

    Source: General baseball reference · recall

  3. With two outs he runs on contact and scores from second on a single.

    Source: General baseball reference · recall

  4. With one out, a fly ball or grounder can score him from third.

    Source: General baseball reference · recall

  5. Each runner thrown out is an out the hitters did not use.

    Source: General baseball reference · recall

  6. Fans coined it for runners thrown out doing something risky.

    Source: General baseball reference · recall

  7. A very fast runner may be safe often enough to justify it.

    Source: General baseball reference · recall

  8. Nobody out is worst; with one out the gain at third is biggest.

    Source: General baseball reference · applied

  9. With one out, third base turns a fly into a run.

    Source: General baseball reference · applied

  10. With nobody out, second base already put him in scoring position.

    Source: General baseball reference · applied

Test 6Breaking up a double playTake a test

  1. A good slide makes the throw to first harder and can save the batter.

    Source: General baseball reference · recall

  2. A 'bona fide' slide aims at the base, not the man.

    Source: General baseball reference · recall

  3. Interference lets the umpire call the batter-runner out too.

    Source: General baseball reference · recall

  4. Utley's 2015 playoff slide broke Rubén Tejada's leg and led to the rule.

    Source: General baseball reference · recall

  5. Footwork around the bag keeps the fielder clear of the slide.

    Source: General baseball reference · recall

  6. Running hard can beat the relay throw.

    Source: General baseball reference · recall

  7. Fielders who expect hard slides may rush their throws.

    Source: General baseball reference · recall

  8. A good slide and a hard run can save one out.

    Source: General baseball reference · applied

  9. Slides at the base are legal; slides at the man are not.

    Source: General baseball reference · applied

  10. Going straight for the bag is what the rule asks for.

    Source: General baseball reference · applied

Test 7Running with two outs and a full countTake a test

  1. The runner starts as the pitcher delivers, not when the ball is hit.

    Source: General baseball reference · recall

  2. Every runner is forced, so they go with the pitch.

    Source: General baseball reference · recall

  3. A head start lets a runner from first score on a double.

    Source: General baseball reference · recall

  4. A walk would push runners along; he has to challenge the hitter.

    Source: General baseball reference · recall

  5. With two outs and few strikes left, a head start rarely hurts.

    Source: General baseball reference · recall

  6. Strike three is the third out, whatever the runners did.

    Source: General baseball reference · recall

  7. With fewer than two outs, a line-out can catch them off the base.

    Source: General baseball reference · recall

  8. Already moving at the pitch, he never has to stop.

    Source: General baseball reference · applied

  9. Full counts send runners almost always; early counts less often.

    Source: General baseball reference · applied

  10. Strike three ends the inning whatever they do, so they go.

    Source: General baseball reference · applied

Test 8Line drives and freezingTake a test

  1. Halfway he can get back if it is caught or advance if it drops.

    Source: General baseball reference · recall

  2. A quick catch gives the fielder time to throw back to the base.

    Source: General baseball reference · recall

  3. A runner who leaves before a catch can be put out by a throw back.

    Source: General baseball reference · recall

  4. A liner caught by the shortstop can be thrown to second quickly.

    Source: General baseball reference · recall

  5. Only when the liner is past the infield does the runner go.

    Source: General baseball reference · recall

  6. With two outs a catch ends the inning, so he runs right away.

    Source: General baseball reference · recall

  7. A fielder catches a liner, steps on a base and tags a runner.

    Source: General baseball reference · recall

  8. Catch and step on the base before the runner gets back.

    Source: General baseball reference · applied

  9. Liners are caught fast; ground balls cannot be caught on the fly.

    Source: General baseball reference · applied

  10. Holding still keeps him close enough to get back.

    Source: General baseball reference · applied

Test 9Taking the extra base on a throwTake a test

  1. A throw to the plate lets the trailing runner move up.

    Source: General baseball reference · recall

  2. Cutting the throw keeps the batter from taking an extra base.

    Source: General baseball reference · recall

  3. He follows the lead runner and can gain a base on throws.

    Source: General baseball reference · recall

  4. A low throw to the cut-off man lets the defence choose where to go.

    Source: General baseball reference · recall

  5. A misplaced throw gives runners free bases.

    Source: General baseball reference · recall

  6. A throw sailing high or wide can let him take another base.

    Source: General baseball reference · recall

  7. Throws over the cut-off man let trailing runners move up.

    Source: General baseball reference · recall

  8. A throw home opens second for the trailing runner.

    Source: General baseball reference · applied

  9. High throws allow extra bases; holding the ball stops them.

    Source: General baseball reference · applied

  10. Nobody is left to throw to second, so he moves up.

    Source: General baseball reference · applied

Test 10Speed and riskTake a test

  1. A team has only 27 outs, and each wasted one costs scoring chances.

    Source: General baseball reference · recall

  2. When one run matters, the extra base is worth more.

    Source: General baseball reference · recall

  3. Speed forces quick plays, which lead to mistakes.

    Source: General baseball reference · recall

  4. MLB measures a runner's fastest one-second window, in feet per second.

    Source: General baseball reference · recall

  5. Around 30 ft/s or more is elite; about 27 is average.

    Source: General baseball reference · recall

  6. Good reads and judgement gain bases without speed.

    Source: General baseball reference · recall

  7. It counts extra bases taken and outs made on the bases.

    Source: General baseball reference · recall

  8. Higher sprint speeds are faster.

    Source: General baseball reference · applied

  9. The closer and later the game, the more one base matters.

    Source: General baseball reference · applied

  10. Few big-leaguers reach that speed.

    Source: General baseball reference · applied

Sources

General baseball references, WBSC and league material, coaching manuals; original questions authored, nothing reproduced. Numbered rules belong to the Rules category.

  • General baseball reference100