diff --git a/cogs/slash/school_slash.py b/cogs/slash/school_slash.py
index 982bb1a..3b6df67 100644
--- a/cogs/slash/school_slash.py
+++ b/cogs/slash/school_slash.py
@@ -90,9 +90,10 @@ class SchoolSlash(commands.Cog):
     _compbio_group = SlashCommandGroup("compbio", "Commands voor compbio opdrachten")
 
     @_compbio_group.command(name="leaderboard", description="Gesorteerd en ingevuld leaderboard")
-    async def _compbio_lb_slash(self, ctx: ApplicationContext):
+    async def _compbio_lb_slash(self, ctx: ApplicationContext,
+                                benchmark: Option(int, "De specifieke benchmark om op te halen (default k=600)", choices=[6, 10, 50, 600], default=600)):
         await ctx.response.defer()
-        lb = leaderboards.CompbioLeaderboard(ctx)
+        lb = leaderboards.CompbioLeaderboard(ctx, kmer=benchmark)
         await lb.respond()
 
     @_compbio_group.command(name="submit", description="Link een Dodona-submission aan jouw username")
diff --git a/data/menus/leaderboards.py b/data/menus/leaderboards.py
index a1b2f68..af97e18 100644
--- a/data/menus/leaderboards.py
+++ b/data/menus/leaderboards.py
@@ -125,6 +125,11 @@ class CompbioLeaderboard(Leaderboard):
     colour: discord.Colour = field(default=discord.Colour.green())
     title: str = field(default="Leaderboard Computationele Biologie #2")
     reverse: bool = False
+    kmer: int = 600
+
+    def __post_init__(self):
+        self.title += f" (k = {self.kmer})"
+        super().__post_init__()
 
     def get_submission_user(self, submission_id: str) -> str:
         with open("files/compbio_benchmarks_2.json", "r") as fp:
@@ -137,8 +142,17 @@ class CompbioLeaderboard(Leaderboard):
         return f"[# {submission_id}]"
 
     def get_data(self) -> list[tuple]:
+        files = {
+            6: "J02459.1",
+            10: "J02459.1",
+            50: "J02459.1",
+            600: "AF033819.3"
+        }
+
+        url = f"https://github.ugent.be/raw/computationele-biologie/benchmarks-2022/main/reconstruction/{files[self.kmer]}.{self.kmer}mers.md"
         headers = {"Authorization": f"token {settings.UGENT_GH_TOKEN}"}
-        result = requests.get(f"https://github.ugent.be/raw/computationele-biologie/benchmarks-2022/main/reconstruction/J02459.1.50mers.md", headers=headers).text
+        result = requests.get(url, headers=headers).text
+
         # Remove table headers
         result = result.split("\n")[2:]
         data = []