Berikut 21 event yang berlangsung sebelum dan saat PON XXI berlangsung:
- Aceh Tourism Roadshow (Medan): 3-4 Agustus
- Banda Aceh Fun Bike (Banda Aceh): 11 Agustus
- Festival Permainan Rakyat (Pidie): 28-29 Agustus
- Festival Kemilau Pidie (Pidie): Pidie
- Aceh Tamiang Art & Food Festival (Aceh Tamiang): 31 Agustus-2 September
- Pameran Kebudayaan Aceh (Banda Aceh): 1-30 September
- Aceh Local Band (Banda Aceh): 3-4 September
- Festival Krueng Daroy (Banda Aceh): 6-8 September
- Gebyar PON (Banda Aceh): 6-12 September
- Aceh International Orienteering (Sabang): 6-8 September
- Festival Pesona Pesisir Timur (Langsa): 6-8 September
- Gala Dinner PON (Banda Aceh): 8 September
- Road to PON; Festival NOBAR Gampong Opening Ceremony PON XXI 2024 (Banda Aceh dan sekitarnya): 8 September
- Pameran Kisah Smong di Pulau Simeulue (Banda Aceh): 9 September-9 Oktober
- Festival Rapai Geurimpheng & Aceh Perkusi (Banda Aceh):13-18 September
- Digital Entrepreneur Festival (Banda Aceh): 13-15 September
- Expo UMKM Produk Unggulan Aceh (Banda Aceh):13-18 September
- Bireuen Coffee and Culinary Festival (Bireuen): 12-14 September
- Serinen Festival Art and Culture (Aceh Tengah): 14-15 September
- UMKM Rameune Nagan Raya Expo (Nagan Raya): 15-20 September
- Aceh Carnaval (Banda Aceh): awal September. []
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