diff --git a/build.gradle b/build.gradle
index 44939a5..f5b2e38 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,7 +24,7 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-jdbc'
 	runtimeOnly 'mysql:mysql-connector-java'
 	runtimeOnly 'com.h2database:h2'
-	compileOnly 'org.projectlombok:lombok'
+	implementation 'org.projectlombok:lombok'
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	annotationProcessor 'org.projectlombok:lombok'
 	implementation 'org.springframework.boot:spring-boot-starter'
diff --git a/src/main/java/com/whyranoid/walkie/controller/ChallengeController.java b/src/main/java/com/whyranoid/walkie/controller/ChallengeController.java
index d471aea..fb13de6 100644
--- a/src/main/java/com/whyranoid/walkie/controller/ChallengeController.java
+++ b/src/main/java/com/whyranoid/walkie/controller/ChallengeController.java
@@ -3,6 +3,7 @@
 import com.whyranoid.walkie.domain.Challenge;
 import com.whyranoid.walkie.domain.ChallengeStatus;
 import com.whyranoid.walkie.dto.request.ChallengeStatusChangeRequest;
+import com.whyranoid.walkie.dto.request.ChallengeStatusCreateRequest;
 import com.whyranoid.walkie.service.ChallengeService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpHeaders;
@@ -37,4 +38,10 @@ public ResponseEntity getChallengeDetail(@RequestParam("challengeId") Long chall
     public ResponseEntity updateChallengeStatus(@RequestBody ChallengeStatusChangeRequest challengeStatusChangeRequest) {
         return ResponseEntity.ok(challengeService.updateChallengeStatus(challengeStatusChangeRequest));
     }
+
+    // 챌린지를 새로 시작하는 것으로 ChallengeStatus를 새로 만들어서 추가해야 함.
+    @PostMapping("/challenge-detail/start")
+    public ResponseEntity startChallenge(@RequestBody ChallengeStatusCreateRequest challengeStatusCreateRequest) {
+        return ResponseEntity.ok(challengeService.createChallengeStatus(challengeStatusCreateRequest));
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/whyranoid/walkie/domain/ChallengeStatus.java b/src/main/java/com/whyranoid/walkie/domain/ChallengeStatus.java
index f83d220..7b0197d 100644
--- a/src/main/java/com/whyranoid/walkie/domain/ChallengeStatus.java
+++ b/src/main/java/com/whyranoid/walkie/domain/ChallengeStatus.java
@@ -1,9 +1,6 @@
 package com.whyranoid.walkie.domain;
 
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-import lombok.Setter;
+import lombok.*;
 
 import javax.persistence.*;
 import javax.validation.constraints.NotNull;
@@ -20,11 +17,11 @@ public class ChallengeStatus {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long statusId;
 
-    @ManyToOne(optional = false, fetch = FetchType.EAGER)
+    @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "user_id", nullable = false)
     private Walkie walkie;
 
-    @ManyToOne(optional = false, fetch = FetchType.LAZY)
+    @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "challenge_id", nullable = false)
     private Challenge challenge;
 
@@ -35,4 +32,5 @@ public class ChallengeStatus {
     @NotNull
     @Column(nullable = false)
     private int progress = 0;
+
 }
diff --git a/src/main/java/com/whyranoid/walkie/dto/request/ChallengeStatusCreateRequest.java b/src/main/java/com/whyranoid/walkie/dto/request/ChallengeStatusCreateRequest.java
index c6e1685..bc319b6 100644
--- a/src/main/java/com/whyranoid/walkie/dto/request/ChallengeStatusCreateRequest.java
+++ b/src/main/java/com/whyranoid/walkie/dto/request/ChallengeStatusCreateRequest.java
@@ -1,2 +1,24 @@
-package com.whyranoid.walkie.dto.request;public class ChallengeStatusCreateRequest {
+package com.whyranoid.walkie.dto.request;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.validation.constraints.NotNull;
+
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Getter
+public class ChallengeStatusCreateRequest {
+    @NotNull
+    private Long userId;
+
+    @NotNull
+    private Long challengeId;
+
+    @Builder
+    public ChallengeStatusCreateRequest(Long userId, Long challengeId) {
+        this.userId = userId;
+        this.challengeId = challengeId;
+    }
 }
diff --git a/src/main/java/com/whyranoid/walkie/dto/response/ApiResponse.java b/src/main/java/com/whyranoid/walkie/dto/response/ApiResponse.java
index 2d1e935..01f9d5b 100644
--- a/src/main/java/com/whyranoid/walkie/dto/response/ApiResponse.java
+++ b/src/main/java/com/whyranoid/walkie/dto/response/ApiResponse.java
@@ -5,7 +5,7 @@
 
 @Getter
 @Builder
-public class ChallengeStatusChangeResponse {
+public class ApiResponse {
 
     Integer status;
     String message;
diff --git a/src/main/java/com/whyranoid/walkie/repository/ChallengeRepository.java b/src/main/java/com/whyranoid/walkie/repository/ChallengeRepository.java
index 6698135..fe9ebad 100644
--- a/src/main/java/com/whyranoid/walkie/repository/ChallengeRepository.java
+++ b/src/main/java/com/whyranoid/walkie/repository/ChallengeRepository.java
@@ -2,6 +2,7 @@
 
 import com.whyranoid.walkie.domain.Challenge;
 import com.whyranoid.walkie.domain.ChallengeStatus;
+import com.whyranoid.walkie.domain.Walkie;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Repository;
 import org.springframework.transaction.annotation.Transactional;
@@ -33,6 +34,14 @@ public List<ChallengeStatus> getDetailChallenge(Long challengeId, Long userId) {
                 .getResultList();
     }
 
+    public Challenge getChallengeById(Long challengeId) {
+        return em.find(Challenge.class, challengeId);
+    }
+
+    public Walkie getWalkieById(Long userId) {
+        return em.find(Walkie.class, userId);
+    }
+
     public void insertChallengeStatus(ChallengeStatus cs) {
         em.persist(cs);
     }
diff --git a/src/main/java/com/whyranoid/walkie/service/ChallengeService.java b/src/main/java/com/whyranoid/walkie/service/ChallengeService.java
index ac68817..135993d 100644
--- a/src/main/java/com/whyranoid/walkie/service/ChallengeService.java
+++ b/src/main/java/com/whyranoid/walkie/service/ChallengeService.java
@@ -2,15 +2,19 @@
 
 import com.whyranoid.walkie.domain.Challenge;
 import com.whyranoid.walkie.domain.ChallengeStatus;
+import com.whyranoid.walkie.domain.Walkie;
 import com.whyranoid.walkie.dto.request.ChallengeStatusChangeRequest;
-import com.whyranoid.walkie.dto.response.ChallengeStatusChangeResponse;
+import com.whyranoid.walkie.dto.request.ChallengeStatusCreateRequest;
+import com.whyranoid.walkie.dto.response.ApiResponse;
 import com.whyranoid.walkie.repository.ChallengeRepository;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 
+@Slf4j
 @Service
 @Transactional
 @RequiredArgsConstructor
@@ -26,10 +30,33 @@ public List<ChallengeStatus> getChallengeDetail(Long challengeId, Long userId) {
         return challengeRepository.getDetailChallenge(challengeId, userId);
     }
 
-    public ChallengeStatusChangeResponse updateChallengeStatus(ChallengeStatusChangeRequest challengeStatusChangeRequest) {
-        Character requestStatus = challengeStatusChangeRequest.getStatus();
-        Long requestStatusId = challengeStatusChangeRequest.getStatusId();
-        try {
+    public ApiResponse createChallengeStatus(ChallengeStatusCreateRequest challengeStatusCreateRequest) {
+
+        // walkie와 challenge는 클라이언트에서 보내줌, 근데 나는 userId랑 challengeId만 받고 싶은데..?
+        Long userId = challengeStatusCreateRequest.getUserId();
+        Long challengeId = challengeStatusCreateRequest.getChallengeId();
+
+        Challenge challenge = challengeRepository.getChallengeById(challengeId);
+        Walkie walkie = challengeRepository.getWalkieById(userId);
+
+        ChallengeStatus cs = new ChallengeStatus();
+        cs.setWalkie(walkie);
+        cs.setChallenge(challenge);
+        cs.setStatus('P');
+
+        challengeRepository.insertChallengeStatus(cs);
+
+        return ApiResponse.builder()
+                .status(200)
+                .message("챌린지가 시작되었습니다.")
+                .build();
+
+    }
+
+    public ApiResponse updateChallengeStatus(ChallengeStatusChangeRequest challengeStatusChangeRequest) {
+//        try {
+            Character requestStatus = challengeStatusChangeRequest.getStatus();
+            Long requestStatusId = challengeStatusChangeRequest.getStatusId();
             // 챌린지 중도 포기해서 삭제하려는 경우
             if(requestStatus == 'N') {
                 challengeRepository.deleteChallengeStatus(requestStatusId);
@@ -39,17 +66,17 @@ else if(requestStatus == 'C') {
                 challengeRepository.updateChallengeStatus(requestStatusId, requestStatus);
             }
 
-            challengeRepository.updateChallengeStatus(requestStatusId, requestStatus);
-            return ChallengeStatusChangeResponse.builder()
+            return ApiResponse.builder()
                     .status(200)
                     .message("성공")
                     .build();
-        } catch(Exception e) {
-            return ChallengeStatusChangeResponse.builder()
-                    .status(400)
-                    .message("실패")
-                    .build();
-        }
+//        }
+//        catch(Exception e) {
+//            return ApiResponse.builder()
+//                    .status(400)
+//                    .message("실패")
+//                    .build();
+//        }
 
     }
 }