diff --git a/src/main/java/com/example/enjoy/controller/HomeController.java b/src/main/java/com/example/enjoy/controller/HomeController.java
index 25e966a..0b9d4fb 100644
--- a/src/main/java/com/example/enjoy/controller/HomeController.java
+++ b/src/main/java/com/example/enjoy/controller/HomeController.java
@@ -1,11 +1,8 @@
 package com.example.enjoy.controller;
 
-
-import ch.qos.logback.core.model.Model;
 import com.example.enjoy.dto.TrackProgressDto;
 import com.example.enjoy.service.TrackService;
 import lombok.RequiredArgsConstructor;
-import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -18,17 +15,10 @@ public class HomeController {
     private final TrackService trackService;
 
     @GetMapping("/home")
-    public String showMyProgress(Model model) { // 1. Model 객체를 파라미터로 추가
-        // TODO: 추후 Spring Security 등과 연동하여 실제 로그인한 사용자 ID를 가져와야 함
-        Long currentStudentId = 1L; // 2. 테스트용 임시 학생 ID 사용
-
-        // 3. 학생의 이수 현황을 계산하는 새로운 서비스 메서드 호출
-        List<TrackProgressDto> progressData = trackService.calculateTrackProgress(currentStudentId);
-
-        // 4. 조회된 데이터를 "progressData"라는 이름으로 모델에 추가
-        //model.addAttribute("progressData", progressData);
-
-        // 5. 데이터를 표시할 뷰(html)의 이름을 반환
-        return "home";
+    public List<TrackProgressDto> getProgress() {
+        // 1. 반환 타입을 List<TrackProgressDto>로 변경
+        Long currentStudentId = 1L;
+        // 2. 서비스 호출 후 데이터를 바로 반환
+        return trackService.calculateTrackProgress(currentStudentId);
     }
 }
diff --git a/src/main/java/com/example/enjoy/controller/TrackController.java b/src/main/java/com/example/enjoy/controller/TrackController.java
index 9460444..e77fa79 100644
--- a/src/main/java/com/example/enjoy/controller/TrackController.java
+++ b/src/main/java/com/example/enjoy/controller/TrackController.java
@@ -1,4 +1,32 @@
 package com.example.enjoy.controller;
 
+import com.example.enjoy.dto.TrackDetailDto;
+import com.example.enjoy.service.TrackService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api/tracks")
 public class TrackController {
+
+    private final TrackService trackService;
+
+    /**
+     * 특정 트랙의 상세 정보를 조회하는 API
+     * @param trackId 조회할 트랙의 ID
+     * @return TrackDetailDto - 트랙의 상세 정보
+     */
+    @GetMapping("/{trackId}")
+    public TrackDetailDto getTrackDetailsById(@PathVariable Long trackId) {
+
+        // TODO: 추후 Spring Security 연동 후 실제 로그인한 학생 ID를 가져와야 함
+        Long currentStudentId = 1L;
+
+        // 5. 서비스의 메서드를 호출하여 결과를 받아온 후, 그대로 반환
+        return trackService.getTrackDetails(currentStudentId, trackId);
+    }
 }
diff --git a/src/main/java/com/example/enjoy/dto/CourseStatusDto.java b/src/main/java/com/example/enjoy/dto/CourseStatusDto.java
index dcbe8f9..5c8ca1a 100644
--- a/src/main/java/com/example/enjoy/dto/CourseStatusDto.java
+++ b/src/main/java/com/example/enjoy/dto/CourseStatusDto.java
@@ -1,5 +1,6 @@
 package com.example.enjoy.dto;
 
+import lombok.Data;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -7,8 +8,8 @@
  * 과목 정보 DTO
  * (title, year, semester, code, status)
  */
-@Getter
-@Setter
+
+@Data
 public class CourseStatusDto {
 
     private String title;    // 과목명 (기존 courseName)
diff --git a/src/main/java/com/example/enjoy/dto/TrackDetailDto.java b/src/main/java/com/example/enjoy/dto/TrackDetailDto.java
index 9b1a5bb..f69fee5 100644
--- a/src/main/java/com/example/enjoy/dto/TrackDetailDto.java
+++ b/src/main/java/com/example/enjoy/dto/TrackDetailDto.java
@@ -1,21 +1,19 @@
 package com.example.enjoy.dto;
 
+import lombok.Data;
 import lombok.Getter;
 import lombok.Setter;
 import java.util.List;
 
 /**
  * 상세 UI 화면의 트랙 탭 하나의 전체 정보를 담는 DTO
- * 새로 정의된 CourseStatusDto를 사용
  */
-@Getter
-@Setter
-public class TrackDetailDto {
-
-    private String trackName;           // 트랙 이름
-    private int completedCount;         // 이수한 과목 수
-    private int requiredCount = 6;      // 이수 필요 과목 수
 
-    // 리스트의 타입이 새로운 CourseStatusDto로 변경
-    private List<CourseStatusDto> courses;
+@Data // 또는 @Getter, @Setter 등
+public class TrackDetailDto {
+    private Long trackId;
+    private String trackName;
+    private String department;
+    private String description; // 트랙에 대한 설명 추가
+    private List<CourseStatusDto> courses; // 트랙에 포함된 과목 목록
 }
diff --git a/src/main/java/com/example/enjoy/entity/StudentCourse.java b/src/main/java/com/example/enjoy/entity/StudentCourse.java
index 674d50c..af517cb 100644
--- a/src/main/java/com/example/enjoy/entity/StudentCourse.java
+++ b/src/main/java/com/example/enjoy/entity/StudentCourse.java
@@ -8,7 +8,7 @@
 
 @Entity
 @Getter
-public class StudentCourse {
+public class StudentCourse { // 학생이 실제로 이수한 과목
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
diff --git a/src/main/java/com/example/enjoy/entity/TrackCourse.java b/src/main/java/com/example/enjoy/entity/TrackCourse.java
index c9f0156..c50ee73 100644
--- a/src/main/java/com/example/enjoy/entity/TrackCourse.java
+++ b/src/main/java/com/example/enjoy/entity/TrackCourse.java
@@ -1,10 +1,11 @@
 package com.example.enjoy.entity;
 
 import jakarta.persistence.*;
+import lombok.Data;
 import lombok.Getter;
 
 @Entity
-@Getter
+@Data
 public class TrackCourse {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
diff --git a/src/main/java/com/example/enjoy/repository/ScheduledCourseRepository.java b/src/main/java/com/example/enjoy/repository/ScheduledCourseRepository.java
deleted file mode 100644
index 2a82b5e..0000000
--- a/src/main/java/com/example/enjoy/repository/ScheduledCourseRepository.java
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.example.enjoy.repository;
-
-public interface ScheduledCourseRepository {
-}
diff --git a/src/main/java/com/example/enjoy/repository/TrackCourseRepository.java b/src/main/java/com/example/enjoy/repository/TrackCourseRepository.java
deleted file mode 100644
index d263ef0..0000000
--- a/src/main/java/com/example/enjoy/repository/TrackCourseRepository.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package com.example.enjoy.repository;
-
-import com.example.enjoy.entity.TrackCourse;
-import org.springframework.data.jpa.repository.JpaRepository;
-
-public interface TrackCourseRepository extends JpaRepository<TrackCourse, Long> {
-}
\ No newline at end of file
diff --git a/src/main/java/com/example/enjoy/repository/TrackRepository.java b/src/main/java/com/example/enjoy/repository/TrackRepository.java
index 99c2f63..c35d37c 100644
--- a/src/main/java/com/example/enjoy/repository/TrackRepository.java
+++ b/src/main/java/com/example/enjoy/repository/TrackRepository.java
@@ -3,10 +3,21 @@
 import com.example.enjoy.entity.Track;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
 import java.util.List;
+import java.util.Optional;
 
 public interface TrackRepository extends JpaRepository<Track, Long> {
 
     @Query("SELECT DISTINCT t FROM Track t LEFT JOIN FETCH t.courses")
     List<Track> findAllWithCourses();
+
+    /**
+     * 특정 ID의 트랙을 과목 정보와 함께 조회합니다 (N+1 문제 해결).
+     * @param trackId 트랙 ID
+     * @return 트랙 정보 (Optional)
+     */
+    @Query("SELECT t FROM Track t JOIN FETCH t.courses WHERE t.id = :trackId")
+    Optional<Track> findByIdWithCourses(@Param("trackId") Long trackId);
 }
\ No newline at end of file
diff --git a/src/main/java/com/example/enjoy/repository/UserRepository.java b/src/main/java/com/example/enjoy/repository/UserRepository.java
deleted file mode 100644
index 01913a7..0000000
--- a/src/main/java/com/example/enjoy/repository/UserRepository.java
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.example.enjoy.repository;
-
-public interface UserRepository {
-}
\ No newline at end of file
diff --git a/src/main/java/com/example/enjoy/service/TrackService.java b/src/main/java/com/example/enjoy/service/TrackService.java
index 7afb620..dd1d328 100644
--- a/src/main/java/com/example/enjoy/service/TrackService.java
+++ b/src/main/java/com/example/enjoy/service/TrackService.java
@@ -1,6 +1,8 @@
 package com.example.enjoy.service;
 
 import com.example.enjoy.dto.CourseDto;
+import com.example.enjoy.dto.CourseStatusDto;
+import com.example.enjoy.dto.TrackDetailDto;
 import com.example.enjoy.dto.TrackProgressDto;
 import com.example.enjoy.entity.StudentCourse;
 import com.example.enjoy.entity.Track;
@@ -9,6 +11,7 @@
 import com.example.enjoy.repository.TrackRepository;
 import org.springframework.stereotype.Service;
 import lombok.RequiredArgsConstructor;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -23,8 +26,6 @@ public class TrackService {
     private final TrackRepository trackRepository;
     private final StudentCourseRepository studentCourseRepository; // 기존 기능
 
-    // ... (기존의 saveStudentCoursesFromExcel, calculateTrackProgress 메서드) ...
-
     /**
      * 모든 트랙 정보를 학과별로 그룹화하여 반환하는 메서드
      */
@@ -37,6 +38,9 @@ public Map<String, List<Track>> getAllTracksGroupedByDepartment() {
                 .collect(Collectors.groupingBy(Track::getDepartment));
     }
 
+    /**
+     * 학생이 이수한 과목 이름을 Set으로 반환하는 private 메서드
+     */
     public List<TrackProgressDto> calculateTrackProgress(Long studentId) {
         // 1. 학생의 이수 과목 목록 조회
         Set<String> completedCourseNames = studentCourseRepository.findByStudentId(studentId)
@@ -89,4 +93,67 @@ public List<TrackProgressDto> calculateTrackProgress(Long studentId) {
 
         return progressList;
     }
+
+    /**
+     * 학생이 이수한 과목 이름을 Set으로 반환하는 메서드
+     */
+    @Transactional(readOnly = true)
+    public TrackDetailDto getTrackDetails(Long studentId, Long trackId) {
+
+        // 1. [리팩토링] 학생 이수 과목 조회 로직을 private 메서드로 호출
+        Set<String> completedCourseNames = getCompletedCourseNames(studentId);
+
+        // 2. ID로 트랙 정보와 소속 과목들을 한번에 조회
+        Track track = trackRepository.findByIdWithCourses(trackId)
+                .orElseThrow(() -> new IllegalArgumentException("존재하지 않는 트랙입니다."));
+
+        // 3. 트랙의 과목 목록을 CourseStatusDto 리스트로 변환
+        List<CourseStatusDto> courseStatusList = track.getCourses().stream()
+                .map(trackCourse -> {
+                    // 4. [수정] DTO 객체 생성 및 실제 필드에 맞게 데이터 세팅
+                    CourseStatusDto dto = new CourseStatusDto();
+                    dto.setTitle(trackCourse.getCourseName());
+                    // (TrackCourse 엔티티에 getCourseCode, getYear, getSemester가 있다고 가정합니다)
+                    dto.setCode(trackCourse.getCourseCode());
+                    dto.setYear(trackCourse.getAcademicYear());
+                    dto.setSemester(trackCourse.getAcademicSemester());
+
+                    // 5. [수정 & 리팩토링] 이수 여부를 판단하고, 그 결과에 따라 status(String) 값을 세팅
+                    if (isCourseCompleted(trackCourse, completedCourseNames)) {
+                        dto.setStatus("COMPLETED");
+                    } else {
+                        dto.setStatus("NONE");
+                    }
+
+                    return dto;
+                })
+                .collect(Collectors.toList());
+
+        // 6. 최종적으로 TrackDetailDto를 조립하여 반환
+        TrackDetailDto trackDetailDto = new TrackDetailDto();
+        trackDetailDto.setTrackId(track.getId());
+        trackDetailDto.setTrackName(track.getName());
+        trackDetailDto.setDepartment(track.getDepartment());
+        trackDetailDto.setCourses(courseStatusList);
+
+        return trackDetailDto;
+    }
+
+    /**
+     * 학생 ID로 해당 학생이 이수한 모든 과목명을 조회합니다.
+     */
+    private Set<String> getCompletedCourseNames(Long studentId) {
+        return studentCourseRepository.findByStudentId(studentId)
+                .stream()
+                .map(StudentCourse::getCourseName)
+                .collect(Collectors.toSet());
+    }
+
+    /**
+     * 특정 과목이 이수 완료되었는지 확인합니다. (과목 별칭 포함)
+     */
+    private boolean isCourseCompleted(TrackCourse course, Set<String> completedCourseNames) {
+        return completedCourseNames.contains(course.getCourseName()) ||
+                (course.getCourseAlias() != null && completedCourseNames.contains(course.getCourseAlias()));
+    }
 }