diff --git a/docs/README.md b/docs/README.md
index e69de29..a74bb69 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -0,0 +1,17 @@
+# 입력 기능
+경주할 자동차 이름 입력 받기 (쉼표 구분)
+시도할 횟수 입력 받기
+# 유효성 검사 기능
+자동차 이름이 공백인 경우 IllegalArgumentException 발생
+자동차 이름이 5자 초과인 경우 IllegalArgumentException 발생
+시도 횟수가 숫자가 아닌 경우 IllegalArgumentException 발생
+시도 횟수가 0 이하인 경우 IllegalArgumentException 발생
+# 자동차 기능
+자동차 이름과 위치(position) 관리
+0~9 무작위 값이 4 이상이면 전진
+# 게임 진행 기능
+입력한 횟수만큼 라운드 반복 실행
+매 라운드 결과 출력 (이름 + 진행 막대)
+# 우승자 계산 및 출력 기능
+최대 위치값을 가진 자동차를 우승자로 선정 
+공동 우승자 쉼표로 구분하여 출력
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diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index a17a52e..66181f2 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -2,6 +2,7 @@
 
 public class Application {
     public static void main(String[] args) {
-        // TODO: 프로그램 구현
+        RacingGame game = new RacingGame();
+        game.run();
     }
-}
+}
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diff --git a/src/main/java/racingcar/Car.java b/src/main/java/racingcar/Car.java
new file mode 100644
index 0000000..0a40eb7
--- /dev/null
+++ b/src/main/java/racingcar/Car.java
@@ -0,0 +1,23 @@
+package racingcar;
+
+public class Car {
+    private final String name;
+    private int position;
+
+    public Car(String name) {
+        this.name = name;
+        this.position = 0;
+    }
+
+    public void move() {
+        position++;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getPosition() {
+        return position;
+    }
+}
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diff --git a/src/main/java/racingcar/InputHandler.java b/src/main/java/racingcar/InputHandler.java
new file mode 100644
index 0000000..b2f1b81
--- /dev/null
+++ b/src/main/java/racingcar/InputHandler.java
@@ -0,0 +1,30 @@
+package racingcar;
+
+import camp.nextstep.edu.missionutils.Console;
+import java.util.ArrayList;
+import java.util.List;
+
+public class InputHandler {
+
+    public List<Car> readCars() {
+        System.out.println("경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)");
+        String input = Console.readLine();
+        String[] names = input.split(",", -1);
+        return parseCars(names);
+    }
+
+    private List<Car> parseCars(String[] names) {
+        List<Car> cars = new ArrayList<>();
+        for (String name : names) {
+            Validator.validateCarName(name.trim());
+            cars.add(new Car(name.trim()));
+        }
+        return cars;
+    }
+
+    public int readAttemptCount() {
+        System.out.println("시도할 회수는 몇회인가요?");
+        String input = Console.readLine();
+        return Validator.validateAndParseAttemptCount(input);
+    }
+}
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diff --git a/src/main/java/racingcar/OutputHandler.java b/src/main/java/racingcar/OutputHandler.java
new file mode 100644
index 0000000..b26ebd1
--- /dev/null
+++ b/src/main/java/racingcar/OutputHandler.java
@@ -0,0 +1,29 @@
+package racingcar;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class OutputHandler {
+
+    public void printRoundResult(List<Car> cars) {
+        for (Car car : cars) {
+            System.out.println(car.getName() + " : " + buildProgressBar(car.getPosition()));
+        }
+        System.out.println();
+    }
+
+    private String buildProgressBar(int position) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < position; i++) {
+            sb.append("-");
+        }
+        return sb.toString();
+    }
+
+    public void printWinners(List<Car> winners) {
+        String names = winners.stream()
+                .map(Car::getName)
+                .collect(Collectors.joining(", "));
+        System.out.println("최종 우승자 : " + names);
+    }
+}
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diff --git a/src/main/java/racingcar/RacingGame.java b/src/main/java/racingcar/RacingGame.java
new file mode 100644
index 0000000..82c8c80
--- /dev/null
+++ b/src/main/java/racingcar/RacingGame.java
@@ -0,0 +1,67 @@
+package racingcar;
+
+import camp.nextstep.edu.missionutils.Randoms;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class RacingGame {
+
+    private static final int MOVE_THRESHOLD = 4;
+
+    private final InputHandler inputHandler;
+    private final OutputHandler outputHandler;
+
+    public RacingGame() {
+        this.inputHandler = new InputHandler();
+        this.outputHandler = new OutputHandler();
+    }
+
+    public void run() {
+        List<Car> cars = inputHandler.readCars();
+        int attemptCount = inputHandler.readAttemptCount();
+
+        System.out.println();
+        System.out.println("실행 결과");
+
+        playRounds(cars, attemptCount);
+
+        outputHandler.printWinners(findWinners(cars));
+    }
+
+    private void playRounds(List<Car> cars, int attemptCount) {
+        for (int i = 0; i < attemptCount; i++) {
+            playOneRound(cars);
+            outputHandler.printRoundResult(cars);
+        }
+    }
+
+    private void playOneRound(List<Car> cars) {
+        for (Car car : cars) {
+            moveIfPossible(car);
+        }
+    }
+
+    private void moveIfPossible(Car car) {
+        if (isMovable()) {
+            car.move();
+        }
+    }
+
+    private boolean isMovable() {
+        return Randoms.pickNumberInRange(0, 9) >= MOVE_THRESHOLD;
+    }
+
+    private List<Car> findWinners(List<Car> cars) {
+        int maxPosition = findMaxPosition(cars);
+        return cars.stream()
+                .filter(car -> car.getPosition() == maxPosition)
+                .collect(Collectors.toList());
+    }
+
+    private int findMaxPosition(List<Car> cars) {
+        return cars.stream()
+                .mapToInt(Car::getPosition)
+                .max()
+                .orElse(0);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/racingcar/Validator.java b/src/main/java/racingcar/Validator.java
new file mode 100644
index 0000000..07f6b25
--- /dev/null
+++ b/src/main/java/racingcar/Validator.java
@@ -0,0 +1,27 @@
+package racingcar;
+
+public class Validator {
+
+    private static final int MAX_NAME_LENGTH = 5;
+
+    public static void validateCarName(String name) {
+        if (name.isBlank()) {
+            throw new IllegalArgumentException("자동차 이름은 공백일 수 없습니다.");
+        }
+        if (name.length() > MAX_NAME_LENGTH) {
+            throw new IllegalArgumentException("자동차 이름은 5자 이하만 가능합니다: " + name);
+        }
+    }
+
+    public static int validateAndParseAttemptCount(String input) {
+        try {
+            int count = Integer.parseInt(input.trim());
+            if (count <= 0) {
+                throw new IllegalArgumentException("시도 횟수는 1 이상이어야 합니다.");
+            }
+            return count;
+        } catch (NumberFormatException e) {
+            throw new IllegalArgumentException("시도 횟수는 숫자여야 합니다.");
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/racingcar/RacingGameTest.java b/src/test/java/racingcar/RacingGameTest.java
new file mode 100644
index 0000000..32d7ea0
--- /dev/null
+++ b/src/test/java/racingcar/RacingGameTest.java
@@ -0,0 +1,59 @@
+package racingcar;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.*;
+
+class RacingGameTest {
+
+    @Test
+    @DisplayName("자동차가 이동 후 위치가 1 증가한다")
+    void carMoveTest() {
+        Car car = new Car("pobi");
+        car.move();
+        assertThat(car.getPosition()).isEqualTo(1);
+    }
+
+    @Test
+    @DisplayName("이동하지 않으면 위치는 0이다")
+    void carNoMoveTest() {
+        Car car = new Car("woni");
+        assertThat(car.getPosition()).isEqualTo(0);
+    }
+
+    @Test
+    @DisplayName("자동차 이름이 5자를 초과하면 예외가 발생한다")
+    void invalidCarNameLengthTest() {
+        assertThatThrownBy(() -> Validator.validateCarName("toolongname"))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    @DisplayName("자동차 이름이 공백이면 예외가 발생한다")
+    void blankCarNameTest() {
+        assertThatThrownBy(() -> Validator.validateCarName("   "))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    @DisplayName("시도 횟수가 숫자가 아니면 예외가 발생한다")
+    void invalidAttemptCountFormatTest() {
+        assertThatThrownBy(() -> Validator.validateAndParseAttemptCount("abc"))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    @DisplayName("시도 횟수가 0 이하이면 예외가 발생한다")
+    void invalidAttemptCountRangeTest() {
+        assertThatThrownBy(() -> Validator.validateAndParseAttemptCount("0"))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    @DisplayName("5자 이하의 유효한 이름은 예외가 발생하지 않는다")
+    void validCarNameTest() {
+        assertThatCode(() -> Validator.validateCarName("pobi"))
+                .doesNotThrowAnyException();
+    }
+}
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