diff --git a/backend/trackmania-replays/gbx-header.js b/backend/trackmania-replays/gbx-header.js
index 84a9c4b..bccbf4e 100644
--- a/backend/trackmania-replays/gbx-header.js
+++ b/backend/trackmania-replays/gbx-header.js
@@ -61,7 +61,7 @@ class gbxHeader {
         }
 
         this.id = buff.readUInt32();
-        console.log(id)
+        console.log(this.id)
 
         if (this.version >=6)
         {
diff --git a/backend/trackmania-replays/gbx-replay.js b/backend/trackmania-replays/gbx-replay.js
new file mode 100644
index 0000000..bc1bc20
--- /dev/null
+++ b/backend/trackmania-replays/gbx-replay.js
@@ -0,0 +1,139 @@
+class gbxReplay {
+
+    CHUNKS_OFFSET = 17;
+    HEADER_OFFSET = 21;
+    UNASSIGNED = 0xFFFFFFFF;
+
+    calcChunkOffset(num) {
+        return (((num) * 8) + this.HEADER_OFFSET)
+    }
+
+    isNumber(id) { return (((id) & 0xC0000000) == 0)}
+    isString(id) { return (((id) & 0xC0000000) != 0)}
+    isUnassigned(id) {return ((id) == this.UNASSIGNED)}
+    getIndex(id) {return ((id) & 0x3FFFFFFF)}
+
+    readIdentifier(buff, idList, outString, stringLen)
+    {
+        if ( idList.version < 3 ) {
+            idList.version = buff.readUInt32();
+        }
+
+        let id = buff.readUInt32();
+        if(this.isUnassigned(id)) {
+            return;
+        }
+
+        if(this.isNumber(id)){
+            console.log("number")
+        }
+
+        if(idList.version == 2) {
+            outString = buff.readString(stringLen)
+            console.log(outString)
+        }
+
+        if(this.isString(id) && this.getIndex(id) == 0) {
+            outString = buff.readString(stringLen)
+            
+            console.log(outString)
+        }
+    }
+
+    parseReplayChunk(buff, chunkInfo) {
+        buff.seek(0+chunkInfo.dwOffset);
+        let version = buff.readUInt32();
+        let isVSK = version >= 9999 ? true : false;
+
+        let idList = { version: 0, index: 0, list:[[]]}
+
+        if( chunkInfo.dwSize <= 4) {
+            return;
+        }
+
+        if((!isVSK && version >= 3) || (isVSK && version >= 10000)) {
+            let outString = "";
+            this.readIdentifier(buff, idList, outString, 512);
+        }
+    }
+
+    parseAuthorChunk(buff, chunkInfo) {
+
+    }
+
+    parseCommunityChunk(buff, chunkInfo) {
+
+    }
+
+    parse(buff)
+    {
+        buff.seek(0+this.CHUNKS_OFFSET);
+        let numChunks = buff.readUInt32();
+
+        if(numChunks == 0) {
+            return true;
+        }
+        else if (numChunks > 0xff) {
+            return false;
+        }
+
+        let chunkId, chunkSize = 0;
+        let chunkOffset = this.calcChunkOffset(numChunks)
+        let chunkVersion = {}
+        let chunkCommunity = {}
+        let chunkAuthor = {}
+
+        for (let counter = 1; counter <= numChunks; counter++) {
+            chunkId = buff.readUInt32();
+            chunkSize = buff.readUInt32();
+
+            chunkSize &= 0x7FFFFFFF;
+
+            switch (chunkId){
+                case 0x03093000: // (TM)
+                case 0x2403F000: // (VSK, TM)
+                    chunkVersion.dwId = chunkId;
+                    chunkVersion.dwSize = chunkSize;
+                    chunkVersion.dwOffset = chunkOffset;
+                    chunkOffset += chunkSize;
+                    break;
+                case 0x03093001: // (TM)
+                case 0x2403F001: // (VSK, TM)
+                    chunkCommunity.dwId = chunkId;
+                    chunkCommunity.dwSize = chunkSize;
+                    chunkCommunity.dwOffset = chunkOffset;
+                    chunkOffset += chunkSize;
+                    //OutputTextFmt(hwndCtl, szOutput, _countof(szOutput), g_szChunk, dwCouter, dwChunkId, dwChunkSize);
+                    break;
+    
+                case 0x03093002: // (MP)
+                    chunkAuthor.dwId = chunkId;
+                    chunkAuthor.dwSize = chunkSize;
+                    chunkAuthor.dwOffset = chunkOffset;
+                    chunkOffset += chunkSize;
+                    //OutputTextFmt(hwndCtl, szOutput, _countof(szOutput), g_szChunk, dwCouter, dwChunkId, dwChunkSize);
+                    break;
+    
+                default:
+                    chunkOffset += chunkSize;
+                    //OutputTextFmt(hwndCtl, szOutput, _countof(szOutput), g_szChunk, dwCouter, dwChunkId, dwChunkSize);
+            }
+        }
+
+        if (chunkVersion.dwSize > 0) {
+            this.parseReplayChunk(buff, chunkVersion);
+        }
+
+        if (chunkCommunity.dwSize > 0) {
+            this.parseCommunityChunk(buff, chunkCommunity);
+        }
+
+        if (chunkAuthor.dwSize > 0) {
+            this.parseAuthorChunk(buff, chunkAuthor);
+        }
+    }
+
+         
+}
+
+module.exports = gbxReplay;
\ No newline at end of file
diff --git a/server.js b/server.js
index 3327ca0..7d8b9e4 100644
--- a/server.js
+++ b/server.js
@@ -61,6 +61,7 @@ const upload = require('./backend/routes/upload-replay');
 
 const AdvancableBuffer = require('./backend/utilities/AdvancableBuffer.js');
 const gbxHeader = require('./backend/trackmania-replays/gbx-header.js');
+const gbxReplay = require('./backend/trackmania-replays/gbx-replay');
   
 // handling CORS 
 app.use(cors());
@@ -205,8 +206,14 @@ app.post('/api/upload-replay', upload.single('file'),  (req, res) => {
   fs.readFile(file.path, function(err, buffer)
   {
     buff = new AdvancableBuffer(buffer);
-    header = new gbxHeader().parse(buffer);
+    header = new gbxHeader()
+    header.parse(buff);
+    console.log(header);
+    replay = new gbxReplay();
+    replay.parse(buff);
   })
+
+  res.status(200);
 }); 
   
 app.listen(3000, () => { 
diff --git a/src/app/components/season-details/season-details.component.html b/src/app/components/season-details/season-details.component.html
index 12b71f9..1573084 100644
--- a/src/app/components/season-details/season-details.component.html
+++ b/src/app/components/season-details/season-details.component.html
@@ -4,6 +4,7 @@
     <div *ngIf="isAuthenticated">
         <button (click)="openNewRaceDialog()">New Race</button>
     </div>
+    <button mat-raised-button class="full-width-button" color="primary" (click)="openUploadReplayDialog()">Upload Replay</button>
     <mat-divider></mat-divider>
     <br/>
     <mat-tab-group>
diff --git a/src/app/components/season-details/season-details.component.less b/src/app/components/season-details/season-details.component.less
index e69de29..7315d3f 100644
--- a/src/app/components/season-details/season-details.component.less
+++ b/src/app/components/season-details/season-details.component.less
@@ -0,0 +1,3 @@
+.full-width-button {
+    width: 100%;
+  }
\ No newline at end of file
diff --git a/src/app/components/season-details/season-details.component.ts b/src/app/components/season-details/season-details.component.ts
index 126910d..f00aad4 100644
--- a/src/app/components/season-details/season-details.component.ts
+++ b/src/app/components/season-details/season-details.component.ts
@@ -5,6 +5,7 @@ import { ApiService } from '../../services/api.service';
 import { Season, SeasonWeek, SeasonStandingsEntry } from '../../models/season';
 import { AuthService } from 'src/app/services/auth-service';
 import { NewRaceDialogComponent } from '../new-race-dialog/new-race-dialog.component';
+import { UploadReplayDialogComponent } from '../upload-replay-dialog/upload-replay-dialog.component';
 
 @Component({
   selector: 'app-season-details',
@@ -69,5 +70,21 @@ export class SeasonDetailsComponent {
     });
   }
 
+  openUploadReplayDialog(): void {
+    const dialogRef = this.dialog.open(UploadReplayDialogComponent, {
+      width: '400px',
+      data: { ...this.newRaceDetails }
+    });
+
+    dialogRef.afterClosed().subscribe(result => {
+      if (result) {
+        console.log('Follow details saved:', result);
+        // You can update your data or perform other actions here
+      } else {
+        console.log('Dialog canceled');
+      }
+    });
+  }
+
 }
 
diff --git a/src/app/components/upload-replay-dialog/upload-replay-dialog.component.html b/src/app/components/upload-replay-dialog/upload-replay-dialog.component.html
index c73f0a8..e080777 100644
--- a/src/app/components/upload-replay-dialog/upload-replay-dialog.component.html
+++ b/src/app/components/upload-replay-dialog/upload-replay-dialog.component.html
@@ -1 +1,12 @@
-<p>upload-replay-dialog works!</p>
+<input type="file" class="file-input"
+       (change)="onFileSelected($event)" #fileUpload>
+
+<div class="file-upload">
+
+   {{fileName || "No file uploaded yet."}}
+
+    <button mat-fab color="primary" class="upload-btn"
+      (click)="fileUpload.click()">
+        <mat-icon>attach_file</mat-icon>
+    </button>
+</div>
diff --git a/src/app/components/upload-replay-dialog/upload-replay-dialog.component.less b/src/app/components/upload-replay-dialog/upload-replay-dialog.component.less
index e69de29..06787c2 100644
--- a/src/app/components/upload-replay-dialog/upload-replay-dialog.component.less
+++ b/src/app/components/upload-replay-dialog/upload-replay-dialog.component.less
@@ -0,0 +1,3 @@
+.file-input {
+    display: none;
+}
\ No newline at end of file
diff --git a/src/app/components/upload-replay-dialog/upload-replay-dialog.component.ts b/src/app/components/upload-replay-dialog/upload-replay-dialog.component.ts
index be990fe..dfd94b0 100644
--- a/src/app/components/upload-replay-dialog/upload-replay-dialog.component.ts
+++ b/src/app/components/upload-replay-dialog/upload-replay-dialog.component.ts
@@ -1,4 +1,5 @@
 import { Component } from '@angular/core';
+import { ApiService } from '../../services/api.service';
 
 @Component({
   selector: 'app-upload-replay-dialog',
@@ -6,5 +7,20 @@ import { Component } from '@angular/core';
   styleUrls: ['./upload-replay-dialog.component.less']
 })
 export class UploadReplayDialogComponent {
+  fileName = '';
 
+  constructor(private apiService: ApiService) {}
+
+  onFileSelected(event: any) 
+  {
+    const file:File = event.target.files[0];
+    if (file) 
+    {
+        this.fileName = file.name;
+        let formData = new FormData();
+        formData.append("file", file);
+        const upload$ = this.apiService.postReplayUpload(formData);
+        upload$.subscribe();
+    }
+  }
 }