diff --git a/supabase/migrations/20231212232610_create_hackathons_table.sql b/supabase/migrations/20231212232610_create_hackathons_table.sql
new file mode 100644
index 0000000..9873a05
--- /dev/null
+++ b/supabase/migrations/20231212232610_create_hackathons_table.sql
@@ -0,0 +1,14 @@
+create table "public"."hackathons" (
+    "id" bigint generated by default as identity not null,
+    "created_at" timestamp with time zone default now(),
+    "title" text,
+    "description" text
+);
+
+
+alter table "public"."hackathons" enable row level security;
+
+CREATE UNIQUE INDEX hackathons_pkey ON public.hackathons USING btree (id);
+
+alter table "public"."hackathons" add constraint "hackathons_pkey" PRIMARY KEY using index "hackathons_pkey";
+alter table "public"."hackathons" add column "updated_at" timestamp with time zone default now();
\ No newline at end of file
diff --git a/supabase/migrations/20231212235012_create_user_roles_table.sql b/supabase/migrations/20231212235012_create_user_roles_table.sql
new file mode 100644
index 0000000..39e4fbc
--- /dev/null
+++ b/supabase/migrations/20231212235012_create_user_roles_table.sql
@@ -0,0 +1,26 @@
+CREATE TYPE user_role AS ENUM ('admin', 'event_coordinator', 'participant');
+
+create table "public"."user_roles" (
+    "id" bigint generated by default as identity not null
+);
+
+alter table "public"."user_roles" add column "role" user_role default 'participant'::user_role;
+
+alter table "public"."user_roles" add column "user_id" uuid;
+
+alter table "public"."user_roles" enable row level security;
+
+CREATE UNIQUE INDEX user_roles_pkey ON public.user_roles USING btree (id);
+
+alter table "public"."user_roles" add constraint "user_roles_pkey" PRIMARY KEY using index "user_roles_pkey";
+
+alter table "public"."user_roles" add constraint "user_roles_user_id_fkey" FOREIGN KEY (user_id) REFERENCES profiles(id) not valid;
+
+alter table "public"."user_roles" validate constraint "user_roles_user_id_fkey";
+
+create policy "Enable read access for user owned roles"
+on "public"."user_roles"
+as permissive
+for select
+to public
+using ((auth.uid() = user_id));
\ No newline at end of file
diff --git a/supabase/migrations/20231213001948_create_participants_table.sql b/supabase/migrations/20231213001948_create_participants_table.sql
new file mode 100644
index 0000000..e413fde
--- /dev/null
+++ b/supabase/migrations/20231213001948_create_participants_table.sql
@@ -0,0 +1,38 @@
+create table "public"."hackathons_participants" (
+    "user_id" uuid not null,
+    "hackathon_id" bigint not null
+);
+
+
+alter table "public"."hackathons_participants" enable row level security;
+
+create table "public"."participants" (
+    "id" bigint generated by default as identity not null,
+    "created_at" timestamp with time zone default now(),
+    "user_id" uuid
+);
+
+
+alter table "public"."participants" enable row level security;
+
+alter table "public"."profiles" add column "bio" text;
+
+CREATE UNIQUE INDEX hackathons_participants_pkey ON public.hackathons_participants USING btree (user_id, hackathon_id);
+
+CREATE UNIQUE INDEX participants_pkey ON public.participants USING btree (id);
+
+alter table "public"."hackathons_participants" add constraint "hackathons_participants_pkey" PRIMARY KEY using index "hackathons_participants_pkey";
+
+alter table "public"."participants" add constraint "participants_pkey" PRIMARY KEY using index "participants_pkey";
+
+alter table "public"."hackathons_participants" add constraint "hackathons_participants_hackathon_id_fkey" FOREIGN KEY (hackathon_id) REFERENCES hackathons(id) not valid;
+
+alter table "public"."hackathons_participants" validate constraint "hackathons_participants_hackathon_id_fkey";
+
+alter table "public"."hackathons_participants" add constraint "hackathons_participants_user_id_fkey" FOREIGN KEY (user_id) REFERENCES profiles(id) not valid;
+
+alter table "public"."hackathons_participants" validate constraint "hackathons_participants_user_id_fkey";
+
+alter table "public"."participants" add constraint "participants_user_id_fkey" FOREIGN KEY (user_id) REFERENCES profiles(id) not valid;
+
+alter table "public"."participants" validate constraint "participants_user_id_fkey";
\ No newline at end of file
diff --git a/supabase/migrations/20231213004446_update_rls_hackathons.sql b/supabase/migrations/20231213004446_update_rls_hackathons.sql
new file mode 100644
index 0000000..a475cfa
--- /dev/null
+++ b/supabase/migrations/20231213004446_update_rls_hackathons.sql
@@ -0,0 +1,27 @@
+create policy "Enable insert for authenticated users with admin/event_co role"
+on "public"."hackathons"
+as permissive
+for insert
+to authenticated
+with check ((auth.uid() IN ( SELECT user_roles.user_id
+   FROM user_roles
+  WHERE ((user_roles.role = 'admin'::user_role) OR (user_roles.role = 'event_coordinator'::user_role)))));
+
+
+create policy "Enable read access for all users"
+on "public"."hackathons"
+as permissive
+for select
+to public
+using (true);
+
+
+create policy "Enable update for authenticated users with admin/event_co role"
+on "public"."hackathons"
+as permissive
+for update
+to authenticated
+using ((auth.uid() IN ( SELECT user_roles.user_id
+   FROM user_roles
+  WHERE ((user_roles.role = 'admin'::user_role) OR (user_roles.role = 'event_coordinator'::user_role)))))
+with check (true);
\ No newline at end of file