diff --git a/app/programs/ProgramsPageClient.tsx b/app/programs/ProgramsPageClient.tsx
index a49a03e7b..d7bd3d658 100644
--- a/app/programs/ProgramsPageClient.tsx
+++ b/app/programs/ProgramsPageClient.tsx
@@ -13,7 +13,8 @@ import { BtnArrowSvg } from "../../components/landing/btn-arrow";
 function ProgramCard({ program }: { program: AirtableProgram }) {
   const wrapperRef = useRef<HTMLDivElement>(null);
   const now = new Date();
-  const isEnded = parseLocalDate(program.endDate) < now;
+  // If no end date, program runs indefinitely (never ends)
+  const isEnded = program.endDate ? parseLocalDate(program.endDate) < now : false;
   const isDraft = parseLocalDate(program.startDate) > now;
 
   const s = program.site;
@@ -41,7 +42,9 @@ function ProgramCard({ program }: { program: AirtableProgram }) {
     ? "Coming soon"
     : isEnded
       ? "Ended"
-      : `Ends ${parseLocalDate(program.endDate).toLocaleDateString("en-GB", { day: "numeric", month: "short" })}`;
+      : program.endDate
+        ? `Ends ${parseLocalDate(program.endDate).toLocaleDateString("en-GB", { day: "numeric", month: "short" })}`
+        : "Ongoing";
   const badgeEnded = isEnded || isDraft;
 
   // Italic metadata lines
@@ -709,10 +712,13 @@ export default function ProgramsPage({
     const bPinned = Number(Boolean(b.site?.pinned));
     if (aPinned !== bPinned) return bPinned - aPinned;
 
-    if (sort === "deadline-asc")
-      return parseLocalDate(a.endDate).getTime() - parseLocalDate(b.endDate).getTime();
-    if (sort === "deadline-desc")
-      return parseLocalDate(b.endDate).getTime() - parseLocalDate(a.endDate).getTime();
+    // For deadline sorting, treat null endDate as far future (never ends)
+    const FAR_FUTURE = new Date(9999, 11, 31).getTime();
+    const aEndTime = a.endDate ? parseLocalDate(a.endDate).getTime() : FAR_FUTURE;
+    const bEndTime = b.endDate ? parseLocalDate(b.endDate).getTime() : FAR_FUTURE;
+
+    if (sort === "deadline-asc") return aEndTime - bEndTime;
+    if (sort === "deadline-desc") return bEndTime - aEndTime;
     if (sort === "az") return a.name.localeCompare(b.name);
     return b.name.localeCompare(a.name);
   });
diff --git a/app/programs/edit/page.tsx b/app/programs/edit/page.tsx
index 07e7f3898..568001e97 100644
--- a/app/programs/edit/page.tsx
+++ b/app/programs/edit/page.tsx
@@ -2,7 +2,7 @@
 
 import { useState, useEffect, useRef } from "react";
 import { Navbar } from "../../../components/Navbar";
-import type { AirtableProgram } from "../../../lib/programs";
+import { parseLocalDate, type AirtableProgram } from "../../../lib/programs";
 import type { SiteProgram, ProjectType, ProgramFormat } from "../../../lib/site-programs";
 import { PROJECT_TYPE_OPTIONS, formatInPersonDate } from "../../../lib/site-programs";
 import { BtnArrowSvg } from "../../../components/landing/btn-arrow";
@@ -38,17 +38,16 @@ function CardPreview({ prog }: { prog: EditorProgram }) {
   const logoUrl = site?.logoUrl ?? null;
   const bgImageUrl = draft.bgType === "image" ? (site?.bgImageUrl ?? null) : null;
   const now = new Date();
-  function parseLocalDate(iso: string) {
-    const [y, m, d] = iso.split("-").map(Number);
-    return new Date(y, m - 1, d);
-  }
-  const isEnded = parseLocalDate(ysws.endDate) < now;
+  // If no end date, program runs indefinitely (never ends)
+  const isEnded = ysws.endDate ? parseLocalDate(ysws.endDate) < now : false;
   const isDraft = parseLocalDate(ysws.startDate) > now;
   const badgeLabel = isDraft
     ? "Coming soon"
     : isEnded
       ? "Ended"
-      : `Ends ${parseLocalDate(ysws.endDate).toLocaleDateString("en-GB", { day: "numeric", month: "short" })}`;
+      : ysws.endDate
+        ? `Ends ${parseLocalDate(ysws.endDate).toLocaleDateString("en-GB", { day: "numeric", month: "short" })}`
+        : "Ongoing";
   const badgeEnded = isEnded || isDraft;
   const buttonText = isEnded ? "See the site" : "Start now";
   const buttonColor = draft.buttonColor || "#ec3750";
@@ -1716,17 +1715,19 @@ export default function EditPage() {
                           color: "var(--muted)",
                         }}
                       >
-                        {new Date(prog.ysws.startDate).toLocaleDateString("en-GB", {
+                        {parseLocalDate(prog.ysws.startDate).toLocaleDateString("en-GB", {
                           day: "numeric",
                           month: "short",
                           year: "numeric",
                         })}{" "}
                         –{" "}
-                        {new Date(prog.ysws.endDate).toLocaleDateString("en-GB", {
-                          day: "numeric",
-                          month: "short",
-                          year: "numeric",
-                        })}
+                        {prog.ysws.endDate
+                          ? parseLocalDate(prog.ysws.endDate).toLocaleDateString("en-GB", {
+                              day: "numeric",
+                              month: "short",
+                              year: "numeric",
+                            })
+                          : "Ongoing"}
                       </span>
                       <span style={{ color: "var(--red)", fontSize: 14, marginLeft: 8 }}>
                         {expanded === prog.ysws.name ? "▲" : "▼"}
diff --git a/components/landing/events.tsx b/components/landing/events.tsx
index f8eb17777..d5fac72dd 100644
--- a/components/landing/events.tsx
+++ b/components/landing/events.tsx
@@ -25,7 +25,8 @@ function SkeletonCard() {
 // ── Dynamic event card ───────────────────────────────────────────────────────
 function EventCard({ program }: { program: AirtableProgram }) {
   const wrapperRef = useRef<HTMLDivElement>(null);
-  const endDate = parseLocalDate(program.endDate);
+  // endDate may be null for indefinite programs
+  const endDate = program.endDate ? parseLocalDate(program.endDate) : null;
 
   const s = program.site;
   const bgColor = s?.bgColor ?? "var(--surface)";
@@ -60,8 +61,10 @@ function EventCard({ program }: { program: AirtableProgram }) {
     } else {
       badgeLabel = `${start.getDate()} ${start.toLocaleDateString("en-GB", { month: "short" })} – ${end.getDate()} ${end.toLocaleDateString("en-GB", { month: "short" })} ${end.getFullYear()}`;
     }
-  } else {
+  } else if (endDate) {
     badgeLabel = `Ends ${endDate.toLocaleDateString("en-GB", { day: "numeric", month: "short" })}`;
+  } else {
+    badgeLabel = "Ongoing";
   }
 
   return (
diff --git a/lib/programs-data.ts b/lib/programs-data.ts
index c3ea79f27..8e8414b96 100644
--- a/lib/programs-data.ts
+++ b/lib/programs-data.ts
@@ -26,7 +26,7 @@ async function readPrograms({ fresh = false }: FetchProgramsOptions = {}): Promi
   }
 
   const params = new URLSearchParams();
-  params.set("filterByFormula", "AND(NOT({Start Date}=''), NOT({End Date}=''))");
+  params.set("filterByFormula", "NOT({Start Date}='')");
   params.append("fields[]", "Name");
   params.append("fields[]", "Start Date");
   params.append("fields[]", "End Date");
@@ -73,7 +73,7 @@ async function readPrograms({ fresh = false }: FetchProgramsOptions = {}): Promi
       id: record.id,
       name,
       startDate: record.fields["Start Date"],
-      endDate: record.fields["End Date"],
+      endDate: record.fields["End Date"] || null,
       websiteUrl: record.fields["Website URL"] ?? null,
       site: siteMap.get(name) ?? null,
     };
diff --git a/lib/programs.ts b/lib/programs.ts
index 439fdfcb3..095faa97f 100644
--- a/lib/programs.ts
+++ b/lib/programs.ts
@@ -4,7 +4,7 @@ export interface AirtableProgram {
   id: string;
   name: string;
   startDate: string;
-  endDate: string;
+  endDate: string | null;
   websiteUrl: string | null;
   site: SiteProgram | null;
 }
@@ -21,7 +21,8 @@ export function getProgramStatus(
   now = new Date(),
 ): ProgramStatus {
   const started = parseLocalDate(program.startDate) <= now;
-  const ended = parseLocalDate(program.endDate) < now;
+  // If no end date, program runs indefinitely (never ends)
+  const ended = program.endDate ? parseLocalDate(program.endDate) < now : false;
   return !started ? "draft" : ended ? "ended" : "ongoing";
 }