diff --git a/app/constants.ts b/app/constants.ts
index cd0cb542d..0e8b0f0a4 100644
--- a/app/constants.ts
+++ b/app/constants.ts
@@ -73,3 +73,16 @@ export const CUSTOMIZED_CSS_VARS_NAME = "css";
 export const MAX_AP = 57;
 
 export const ONE_HOUR_IN_MS = 60 * 60 * 1000;
+
+export const SPLATOON_3_XP_BADGE_VALUES = [
+  3400, 3300, 3200, 3100, 3000, 2900, 2800, 2700, 2600,
+] as const;
+export const findSplatoon3XpBadgeValue = (xPower: number) => {
+  for (const value of SPLATOON_3_XP_BADGE_VALUES) {
+    if (xPower >= value) {
+      return value;
+    }
+  }
+
+  return null;
+};
diff --git a/app/db/models/users/queries.server.ts b/app/db/models/users/queries.server.ts
index 900916e9f..f056aa00f 100644
--- a/app/db/models/users/queries.server.ts
+++ b/app/db/models/users/queries.server.ts
@@ -34,6 +34,7 @@ import forcePatronSql from "./forcePatron.sql";
 import makeVideoAdderSql from "./makeVideoAdder.sql";
 import linkPlayerSql from "./linkPlayer.sql";
 import unlinkPlayerSql from "./unlinkPlayer.sql";
+import { syncXPBadges } from "~/features/badges";
 
 const upsertStm = sql.prepare(upsertSql);
 export function upsert(
@@ -279,4 +280,5 @@ export function linkPlayer({
 }) {
   unlinkPlayerStm.run({ userId });
   linkPlayerStm.run({ userId, playerId });
+  syncXPBadges();
 }
diff --git a/app/features/badges/index.ts b/app/features/badges/index.ts
new file mode 100644
index 000000000..6691b2ef4
--- /dev/null
+++ b/app/features/badges/index.ts
@@ -0,0 +1 @@
+export { syncXPBadges } from "./queries/syncXPBadges.server";
diff --git a/app/features/badges/queries/syncXPBadges.server.ts b/app/features/badges/queries/syncXPBadges.server.ts
new file mode 100644
index 000000000..0fb265be2
--- /dev/null
+++ b/app/features/badges/queries/syncXPBadges.server.ts
@@ -0,0 +1,60 @@
+import invariant from "tiny-invariant";
+import {
+  SPLATOON_3_XP_BADGE_VALUES,
+  findSplatoon3XpBadgeValue,
+} from "~/constants";
+import { sql } from "~/db/sql";
+
+const badgeCodeToIdStm = sql.prepare(/* sql */ `
+  select "id"
+    from "Badge"
+    where "code" = @code
+`);
+
+const deleteBadgeOwnerStm = sql.prepare(/* sql */ `
+  delete from "TournamentBadgeOwner"
+    where "badgeId" = @badgeId
+`);
+
+const userTopXPowersStm = sql.prepare(/* sql */ `
+  select
+    "SplatoonPlayer"."userId",
+    max("XRankPlacement"."power") as "xPower"
+  from
+    "SplatoonPlayer"
+  left join "XRankPlacement" on "XRankPlacement"."playerId" = "SplatoonPlayer"."id"
+  where "SplatoonPlayer"."userId" is not null
+  group by "SplatoonPlayer"."userId"
+`);
+
+const addXPBadgeStm = sql.prepare(/* sql */ `
+  insert into "TournamentBadgeOwner" ("badgeId", "userId")
+  values (
+    (select "id" from "Badge" where "code" = @code),
+    @userId
+  )
+`);
+
+export const syncXPBadges = sql.transaction(() => {
+  for (const value of SPLATOON_3_XP_BADGE_VALUES) {
+    const badgeId = badgeCodeToIdStm
+      .pluck()
+      .get({ code: String(value) }) as number;
+
+    invariant(badgeId, `Badge ${value} not found`);
+
+    deleteBadgeOwnerStm.run({ badgeId });
+  }
+
+  const userTopXPowers = userTopXPowersStm.all() as Array<{
+    userId: number;
+    xPower: number;
+  }>;
+
+  for (const { userId, xPower } of userTopXPowers) {
+    const badgeValue = findSplatoon3XpBadgeValue(xPower);
+    if (!badgeValue) continue;
+
+    addXPBadgeStm.run({ code: String(badgeValue), userId });
+  }
+});
diff --git a/app/routes/badges/$id.tsx b/app/routes/badges/$id.tsx
index 4cd40dda3..63a976726 100644
--- a/app/routes/badges/$id.tsx
+++ b/app/routes/badges/$id.tsx
@@ -18,6 +18,7 @@ import { BADGES_PAGE } from "~/utils/urls";
 import { type BadgesLoaderData } from "../badges";
 import { type TFunction } from "react-i18next";
 import { useTranslation } from "~/hooks/useTranslation";
+import { SPLATOON_3_XP_BADGE_VALUES } from "~/constants";
 
 export interface BadgeDetailsContext {
   badgeName: string;
@@ -104,7 +105,10 @@ export function badgeExplanationText(
   if (badge.code === "patreon_plus") {
     return t("patreon+");
   }
-  if (badge.code.startsWith("xp")) {
+  if (
+    badge.code.startsWith("xp") ||
+    SPLATOON_3_XP_BADGE_VALUES.includes(Number(badge.code) as any)
+  ) {
     return t("xp", { xpText: badge.displayName });
   }
 
diff --git a/package.json b/package.json
index f61e63dda..7b75cfd8b 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "replace-weapon-names": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register scripts/replace-weapon-names.ts",
     "placements": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register scripts/placements/index.ts",
     "hex-to-filter": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register scripts/hex-to-filter.ts",
+    "sync-xp-badges": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register scripts/sync-xp-badges.ts",
     "lint:ts": "eslint . --ext .ts,.tsx",
     "lint:css": "stylelint \"app/styles/**/*.css\"",
     "prettier:check": "prettier --check . --loglevel warn",
diff --git a/public/static-assets/badges/2600.avif b/public/static-assets/badges/2600.avif
new file mode 100644
index 000000000..98a7e870c
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diff --git a/public/static-assets/badges/2600.gif b/public/static-assets/badges/2600.gif
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index 000000000..c80efec64
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diff --git a/public/static-assets/badges/2600.png b/public/static-assets/badges/2600.png
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index 000000000..41d27f38d
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diff --git a/public/static-assets/badges/2700.avif b/public/static-assets/badges/2700.avif
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diff --git a/public/static-assets/badges/3000.avif b/public/static-assets/badges/3000.avif
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diff --git a/public/static-assets/badges/3400.avif b/public/static-assets/badges/3400.avif
new file mode 100644
index 000000000..301839cbe
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diff --git a/public/static-assets/badges/3400.gif b/public/static-assets/badges/3400.gif
new file mode 100644
index 000000000..f2232f075
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diff --git a/public/static-assets/badges/3400.png b/public/static-assets/badges/3400.png
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diff --git a/scripts/placements/index.ts b/scripts/placements/index.ts
index fccd0f19b..a206806d8 100644
--- a/scripts/placements/index.ts
+++ b/scripts/placements/index.ts
@@ -6,6 +6,7 @@ import { sql } from "~/db/sql";
 import type { XRankPlacement } from "~/db/types";
 import { type MainWeaponId, mainWeaponIds } from "~/modules/in-game-lists";
 import { xRankSchema } from "./schemas";
+import { syncXPBadges } from "~/features/badges";
 
 const rawJsonNumber = process.argv[2]?.trim();
 invariant(rawJsonNumber, "jsonNumber is required (argument 1)");
@@ -50,6 +51,7 @@ async function main() {
   }
 
   addPlacements(placements);
+  syncXPBadges();
   console.log(`done reading in ${placements.length} placements`);
 }
 
diff --git a/scripts/sync-xp-badges.ts b/scripts/sync-xp-badges.ts
new file mode 100644
index 000000000..ac349ec1b
--- /dev/null
+++ b/scripts/sync-xp-badges.ts
@@ -0,0 +1,7 @@
+/* eslint-disable no-console */
+import "dotenv/config";
+import { syncXPBadges } from "~/features/badges";
+
+syncXPBadges();
+
+console.log("Synced XP badges");