diff --git a/blog/sexp/sexp_components.py b/blog/sexp/sexp_components.py
index 948bdc2..83ac832 100644
--- a/blog/sexp/sexp_components.py
+++ b/blog/sexp/sexp_components.py
@@ -165,15 +165,18 @@ def _post_admin_nav_html(ctx: dict) -> str:
 
     parts = []
 
-    # External links to events service
+    # External links to events / market services
     events_url_fn = ctx.get("events_url")
+    market_url_fn = ctx.get("market_url")
     if callable(events_url_fn):
-        for path, label in [
-            (f"/{slug}/calendars/", "calendars"),
-            (f"/{slug}/markets/", "markets"),
-            (f"/{slug}/payments/", "payments"),
+        for url_fn, path, label in [
+            (events_url_fn, f"/{slug}/calendar/", "calendar"),
+            (market_url_fn, f"/{slug}/", "markets"),
+            (events_url_fn, f"/{slug}/payments/", "payments"),
         ]:
-            href = events_url_fn(path)
+            if not callable(url_fn):
+                continue
+            href = url_fn(path)
             parts.append(sexp(
                 '(div :class "relative nav-group" (a :href h :class c l))',
                 h=href, c=nav_btn, l=label,
@@ -2573,7 +2576,7 @@ def render_nav_entries_oob(associated_entries, calendars, post: dict, ctx: dict
 
         if e_start:
             entry_path = (
-                f"/{post_slug}/calendars/{cal_slug}/"
+                f"/{post_slug}/{cal_slug}/"
                 f"{e_start.year}/{e_start.month}/{e_start.day}"
                 f"/entries/{getattr(entry, 'id', '')}/"
             )
@@ -2581,7 +2584,7 @@ def render_nav_entries_oob(associated_entries, calendars, post: dict, ctx: dict
             if e_end:
                 date_str += f" \u2013 {e_end.strftime('%H:%M')}"
         else:
-            entry_path = f"/{post_slug}/calendars/{cal_slug}/"
+            entry_path = f"/{post_slug}/{cal_slug}/"
             date_str = ""
 
         href = events_url_fn(entry_path) if events_url_fn else entry_path
@@ -2599,7 +2602,7 @@ def render_nav_entries_oob(associated_entries, calendars, post: dict, ctx: dict
     for calendar in (calendars or []):
         cal_name = getattr(calendar, "name", "")
         cal_slug = getattr(calendar, "slug", "")
-        cal_path = f"/{post_slug}/calendars/{cal_slug}/"
+        cal_path = f"/{post_slug}/{cal_slug}/"
         href = events_url_fn(cal_path) if events_url_fn else cal_path
 
         item_parts.append(sexp(
diff --git a/blog/templates/_types/post/_entry_items.html b/blog/templates/_types/post/_entry_items.html
index d221e85..e671368 100644
--- a/blog/templates/_types/post/_entry_items.html
+++ b/blog/templates/_types/post/_entry_items.html
@@ -4,7 +4,7 @@
 {% set has_more_entries = has_more if has_more is defined else (associated_entries.has_more if associated_entries is defined else False) %}
 
 {% for entry in entry_list %}
-  {% set _entry_path = '/' + post.slug + '/calendars/' + entry.calendar_slug + '/' + entry.start_at.year|string + '/' + entry.start_at.month|string + '/' + entry.start_at.day|string + '/entries/' + entry.id|string + '/' %}
+  {% set _entry_path = '/' + post.slug + '/' + entry.calendar_slug + '/' + entry.start_at.year|string + '/' + entry.start_at.month|string + '/' + entry.start_at.day|string + '/entries/' + entry.id|string + '/' %}
   <a
     href="{{ events_url(_entry_path) }}"
     class="{{styles.nav_button_less_pad}}"
diff --git a/blog/templates/_types/post/admin/_nav.html b/blog/templates/_types/post/admin/_nav.html
index c0bfab6..d40ca34 100644
--- a/blog/templates/_types/post/admin/_nav.html
+++ b/blog/templates/_types/post/admin/_nav.html
@@ -1,11 +1,11 @@
 {% import 'macros/links.html' as links %}
 <div class="relative nav-group">
-  <a href="{{ events_url('/' + post.slug + '/calendars/') }}" class="{{styles.nav_button}}">
-    calendars
+  <a href="{{ events_url('/' + post.slug + '/calendar/') }}" class="{{styles.nav_button}}">
+    calendar
   </a>
 </div>
 <div class="relative nav-group">
-  <a href="{{ events_url('/' + post.slug + '/markets/') }}" class="{{styles.nav_button}}">
+  <a href="{{ market_url('/' + post.slug + '/') }}" class="{{styles.nav_button}}">
     markets
   </a>
 </div>
diff --git a/blog/templates/_types/post/admin/_nav_entries_oob.html b/blog/templates/_types/post/admin/_nav_entries_oob.html
index 7a8b8d1..60199fc 100644
--- a/blog/templates/_types/post/admin/_nav_entries_oob.html
+++ b/blog/templates/_types/post/admin/_nav_entries_oob.html
@@ -5,7 +5,7 @@
 {% call nav_entries_oob(has_items) %}
   {% if associated_entries and associated_entries.entries %}
     {% for entry in associated_entries.entries %}
-      {% set _entry_path = '/' + post.slug + '/calendars/' + entry.calendar_slug + '/' + entry.start_at.year|string + '/' + entry.start_at.month|string + '/' + entry.start_at.day|string + '/entries/' + entry.id|string + '/' %}
+      {% set _entry_path = '/' + post.slug + '/' +entry.calendar_slug + '/' + entry.start_at.year|string + '/' + entry.start_at.month|string + '/' + entry.start_at.day|string + '/entries/' + entry.id|string + '/' %}
       <a
         href="{{ events_url(_entry_path) }}"
         class="{{styles.nav_button_less_pad}}">
@@ -22,7 +22,7 @@
   {% endif %}
   {% if calendars %}
     {% for calendar in calendars %}
-      {% set local_href=events_url('/' + post.slug + '/calendars/' + calendar.slug + '/') %}
+      {% set local_href=events_url('/' + post.slug + '/' +calendar.slug + '/') %}
       <a
         href="{{ local_href }}"
         class="{{styles.nav_button_less_pad}}">
diff --git a/blog/templates/_types/post_data/header/_header.html b/blog/templates/_types/post_data/header/_header.html
index 27eaf6f..d3cfee0 100644
--- a/blog/templates/_types/post_data/header/_header.html
+++ b/blog/templates/_types/post_data/header/_header.html
@@ -1,7 +1,7 @@
 {% import 'macros/links.html' as links %}
 {% macro header_row(oob=False) %}
   {% call links.menu_row(id='post_data-row', oob=oob) %}
-    <a href="{{ events_url('/' + post.slug + '/calendars/') }}" class="flex gap-2 px-3 py-2 rounded whitespace-normal text-center break-words leading-snug">
+    <a href="{{ events_url('/' + post.slug + '/calendar/') }}" class="flex gap-2 px-3 py-2 rounded whitespace-normal text-center break-words leading-snug">
       <i class="fa fa-database" aria-hidden="true"></i>
       <div>data</div>
     </a>
diff --git a/events/app.py b/events/app.py
index 52c1031..cb5c082 100644
--- a/events/app.py
+++ b/events/app.py
@@ -90,10 +90,11 @@ def create_app() -> "Quart":
         url_prefix="/<slug>",
     )
 
-    # Calendars nested under post slug: /<slug>/calendars/...
+    # Calendars nested under post slug: /<slug>/<calendar_slug>/...
+    # Listing stays at /<slug>/calendars/, individual at /<slug>/<calendar_slug>/
     app.register_blueprint(
         register_calendars(),
-        url_prefix="/<slug>/calendars",
+        url_prefix="/<slug>",
     )
 
     # Markets nested under post slug: /<slug>/markets/...
diff --git a/events/bp/calendars/routes.py b/events/bp/calendars/routes.py
index 2bdd9e1..d46e2b5 100644
--- a/events/bp/calendars/routes.py
+++ b/events/bp/calendars/routes.py
@@ -32,7 +32,7 @@ def register():
 
     # ---------- Pages ----------
 
-    @bp.get("/")
+    @bp.get("/calendars/")
     @cache_page(tag="calendars")
     async def home(**kwargs):
         from shared.sexp.page import get_template_context
@@ -46,7 +46,7 @@ def register():
         return await make_response(html)
 
 
-    @bp.post("/new/")
+    @bp.post("/calendars/new/")
     @require_admin
     @clear_cache(tag="calendars", tag_scope="all")
     async def create_calendar(**kwargs):
diff --git a/events/bp/fragments/routes.py b/events/bp/fragments/routes.py
index 8d46096..43be5a5 100644
--- a/events/bp/fragments/routes.py
+++ b/events/bp/fragments/routes.py
@@ -58,7 +58,7 @@ def register():
             )
             for entry in entries:
                 entry_path = (
-                    f"/{post_slug}/calendars/{entry.calendar_slug}/"
+                    f"/{post_slug}/{entry.calendar_slug}/"
                     f"{entry.start_at.year}/{entry.start_at.month}/"
                     f"{entry.start_at.day}/entries/{entry.id}/"
                 )
@@ -87,7 +87,7 @@ def register():
                 g.s, container_type, container_id,
             )
             for cal in calendars:
-                href = events_url(f"/{post_slug}/calendars/{cal.slug}/")
+                href = events_url(f"/{post_slug}/{cal.slug}/")
                 html_parts.append(render_sexp(
                     '(~calendar-link-nav :href href :name name :nav-class nav-class)',
                     href=href, name=cal.name, **{"nav-class": nav_class},
diff --git a/events/sexp/sexp_components.py b/events/sexp/sexp_components.py
index 5694058..f80af3e 100644
--- a/events/sexp/sexp_components.py
+++ b/events/sexp/sexp_components.py
@@ -1250,7 +1250,7 @@ def _entry_card_html(entry, page_info: dict, pending_tickets: dict,
 
     day_href = ""
     if page_slug and entry.start_at:
-        day_href = events_url_fn(f"/{page_slug}/calendars/{entry.calendar_slug}/day/{entry.start_at.strftime('%Y/%-m/%-d')}/")
+        day_href = events_url_fn(f"/{page_slug}/{entry.calendar_slug}/day/{entry.start_at.strftime('%Y/%-m/%-d')}/")
     entry_href = f"{day_href}entries/{entry.id}/" if day_href else ""
 
     # Title (linked or plain)
@@ -1332,7 +1332,7 @@ def _entry_card_tile_html(entry, page_info: dict, pending_tickets: dict,
 
     day_href = ""
     if page_slug and entry.start_at:
-        day_href = events_url_fn(f"/{page_slug}/calendars/{entry.calendar_slug}/day/{entry.start_at.strftime('%Y/%-m/%-d')}/")
+        day_href = events_url_fn(f"/{page_slug}/{entry.calendar_slug}/day/{entry.start_at.strftime('%Y/%-m/%-d')}/")
     entry_href = f"{day_href}entries/{entry.id}/" if day_href else ""
 
     # Title
@@ -2762,7 +2762,7 @@ def render_post_nav_entries_oob(associated_entries, calendars, post) -> str:
     if has_entries:
         for entry in associated_entries.entries:
             entry_path = (
-                f"/{slug}/calendars/{entry.calendar_slug}/"
+                f"/{slug}/{entry.calendar_slug}/"
                 f"{entry.start_at.year}/{entry.start_at.month}/{entry.start_at.day}/"
                 f"entries/{entry.id}/"
             )
@@ -2781,7 +2781,7 @@ def render_post_nav_entries_oob(associated_entries, calendars, post) -> str:
     if calendars:
         for cal in calendars:
             cs = getattr(cal, "slug", "")
-            local_href = events_url(f"/{slug}/calendars/{cs}/")
+            local_href = events_url(f"/{slug}/{cs}/")
             items += sexp(
                 '(a :href lh :class nb'
                 '  (i :class "fa fa-calendar" :aria-hidden "true")'
diff --git a/events/templates/_types/all_events/_card.html b/events/templates/_types/all_events/_card.html
index 0005563..7f6846a 100644
--- a/events/templates/_types/all_events/_card.html
+++ b/events/templates/_types/all_events/_card.html
@@ -7,7 +7,7 @@
     {# Left: event info #}
     <div class="flex-1 min-w-0">
       {% if page_slug %}
-        {% set day_href = events_url('/' ~ page_slug ~ '/calendars/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
+        {% set day_href = events_url('/' ~ page_slug ~ '/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
       {% else %}
         {% set day_href = '' %}
       {% endif %}
diff --git a/events/templates/_types/all_events/_card_tile.html b/events/templates/_types/all_events/_card_tile.html
index 3f8855f..84a628f 100644
--- a/events/templates/_types/all_events/_card_tile.html
+++ b/events/templates/_types/all_events/_card_tile.html
@@ -4,7 +4,7 @@
 {% set page_title = pi.get('title') %}
 <article class="rounded-xl bg-white shadow-sm border border-stone-200 overflow-hidden">
   {% if page_slug %}
-    {% set day_href = events_url('/' ~ page_slug ~ '/calendars/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
+    {% set day_href = events_url('/' ~ page_slug ~ '/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
   {% else %}
     {% set day_href = '' %}
   {% endif %}
diff --git a/events/templates/_types/page_summary/_card.html b/events/templates/_types/page_summary/_card.html
index 27f12cb..3223d76 100644
--- a/events/templates/_types/page_summary/_card.html
+++ b/events/templates/_types/page_summary/_card.html
@@ -6,7 +6,7 @@
   <div class="flex flex-col sm:flex-row sm:items-start justify-between gap-3">
     {# Left: event info #}
     <div class="flex-1 min-w-0">
-      {% set day_href = events_url('/' ~ page_slug ~ '/calendars/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
+      {% set day_href = events_url('/' ~ page_slug ~ '/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
       {% set entry_href = day_href ~ 'entries/' ~ entry.id ~ '/' %}
       <a href="{{ entry_href }}" class="hover:text-emerald-700">
         <h2 class="text-lg font-semibold text-stone-900">{{ entry.name }}</h2>
diff --git a/events/templates/_types/page_summary/_card_tile.html b/events/templates/_types/page_summary/_card_tile.html
index 7d13cca..5144386 100644
--- a/events/templates/_types/page_summary/_card_tile.html
+++ b/events/templates/_types/page_summary/_card_tile.html
@@ -3,7 +3,7 @@
 {% set page_slug = pi.get('slug', post.slug) %}
 {% set page_title = pi.get('title') %}
 <article class="rounded-xl bg-white shadow-sm border border-stone-200 overflow-hidden">
-  {% set day_href = events_url('/' ~ page_slug ~ '/calendars/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
+  {% set day_href = events_url('/' ~ page_slug ~ '/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
   {% set entry_href = day_href ~ 'entries/' ~ entry.id ~ '/' %}
   <div class="p-3">
     <a href="{{ entry_href }}" class="hover:text-emerald-700">
diff --git a/events/templates/_types/post/admin/_nav.html b/events/templates/_types/post/admin/_nav.html
index c0237d6..4be48c7 100644
--- a/events/templates/_types/post/admin/_nav.html
+++ b/events/templates/_types/post/admin/_nav.html
@@ -1,11 +1,11 @@
 {% import 'macros/links.html' as links %}
 <div class="relative nav-group">
-  <a href="{{ events_url('/' + post.slug + '/calendars/') }}" class="{{styles.nav_button}}">
-    calendars
+  <a href="{{ events_url('/' + post.slug + '/calendar/') }}" class="{{styles.nav_button}}">
+    calendar
   </a>
 </div>
 <div class="relative nav-group">
-  <a href="{{ events_url('/' + post.slug + '/markets/') }}" class="{{styles.nav_button}}">
+  <a href="{{ market_url('/' + post.slug + '/') }}" class="{{styles.nav_button}}">
     markets
   </a>
 </div>
diff --git a/events/templates/_types/post/admin/_nav_entries_oob.html b/events/templates/_types/post/admin/_nav_entries_oob.html
index 2523112..a661658 100644
--- a/events/templates/_types/post/admin/_nav_entries_oob.html
+++ b/events/templates/_types/post/admin/_nav_entries_oob.html
@@ -5,7 +5,7 @@
 {% call nav_entries_oob(has_items) %}
   {% if associated_entries and associated_entries.entries %}
     {% for entry in associated_entries.entries %}
-      {% set _entry_path = '/' + post.slug + '/calendars/' + entry.calendar_slug + '/' + entry.start_at.year|string + '/' + entry.start_at.month|string + '/' + entry.start_at.day|string + '/entries/' + entry.id|string + '/' %}
+      {% set _entry_path = '/' + post.slug + '/' +entry.calendar_slug + '/' + entry.start_at.year|string + '/' + entry.start_at.month|string + '/' + entry.start_at.day|string + '/entries/' + entry.id|string + '/' %}
       <a
         href="{{ events_url(_entry_path) }}"
         class="{{styles.nav_button_less_pad}}">
@@ -22,7 +22,7 @@
   {% endif %}
   {% if calendars %}
     {% for calendar in calendars %}
-      {% set local_href=events_url('/' + post.slug + '/calendars/' + calendar.slug + '/') %}
+      {% set local_href=events_url('/' + post.slug + '/' +calendar.slug + '/') %}
       <a
         href="{{ local_href }}"
         class="{{styles.nav_button_less_pad}}">
diff --git a/events/templates/fragments/container_cards_entries.html b/events/templates/fragments/container_cards_entries.html
index 53ce49f..0242f1c 100644
--- a/events/templates/fragments/container_cards_entries.html
+++ b/events/templates/fragments/container_cards_entries.html
@@ -11,7 +11,7 @@
     <div class="flex gap-2 px-2">
       {% for entry in widget_entries %}
         {% set _post_slug = slug_map.get(post_id, '') %}
-        {% set _entry_path = '/' + _post_slug + '/calendars/' + entry.calendar_slug + '/' + entry.start_at.year|string + '/' + entry.start_at.month|string + '/' + entry.start_at.day|string + '/entries/' + entry.id|string + '/' %}
+        {% set _entry_path = '/' + _post_slug + '/' + entry.calendar_slug + '/' + entry.start_at.year|string + '/' + entry.start_at.month|string + '/' + entry.start_at.day|string + '/entries/' + entry.id|string + '/' %}
         <a
           href="{{ events_url(_entry_path) }}"
           class="flex flex-col gap-1 px-3 py-2 bg-stone-50 hover:bg-stone-100 rounded border border-stone-200 transition text-sm whitespace-nowrap flex-shrink-0 min-w-[180px]">