The Grande Trail da Serra D’Arga is a trail running event taking place from October 2 to 4, 2026, in the Serra d’Arga region of Portugal. It features multiple race distances including 100 km, 50 km, 31 km, 17 km, 15 km, a 12 km walk, and a kids’ trail with distances from 250 m to 2100 m.<\/p>\n
Open to athletes aged 18 and over, the event is part of the Best Trails Series, the ATRP National Circuit 2027, and scores points for ITRA and UTMB. The courses traverse mountainous terrain with significant elevation gains, passing through preserved villages, rivers, and natural landmarks, offering a challenging and scenic experience.<\/p>\n
The event includes a festive atmosphere with cultural performances and awards ceremonies, catering to a wide range of participants from elite trail runners to families and youth.<\/p>\n","organizer_description":"
Regulation link \u2197<\/a><\/strong> Start\/finish locations:<\/strong> Start times per category\/distance:<\/strong> Cut-off times:<\/strong> Registration deadline:<\/strong> September 25, 2026<\/p>\n Surface types:<\/strong> Mountain trails with technical terrain and significant elevation changes<\/p>\n Course format:<\/strong> Circular routes for all distances<\/p>\n Race routes:<\/strong> Timing method:<\/strong> Electronic chip timing integrated into bib<\/p>\n Toilets and aid station placement:<\/strong> Parking and shuttle details:<\/strong> Participants must arrange their own transport; transfer available for 100km participants from Dem to Caminha upon request<\/p>\n Drop bag policy:<\/strong> For GTSA 100km, drop bags accepted before start and transported to Base de Vida<\/p>\n Prizes:<\/strong> Trophies awarded for overall and age categories; team classification prizes based on top 3 athletes’ times<\/p>\n","race_benefits":" \ud83c\udfbd Athlete kit: bib number, race-related gifts
\nRegulation link \u2197<\/a><\/p>\n
\n\u2022 GTSA 100km: Caminha (start), Dem (finish)
\n\u2022 GTSA 50km and GTSA 15km: Dem
\n\u2022 GTSA 31km, GTSA 17km, Caminhada 12km, GTSA Kids: S\u00e3o Louren\u00e7o da Montaria<\/p>\n
\n\u2022 GTSA 100km: October 2, 22:00
\n\u2022 GTSA 50km and GTSA 15km: October 3, 08:00
\n\u2022 GTSA 31km: October 4, 09:00
\n\u2022 GTSA 17km and Caminhada 12km: October 4, 09:30
\n\u2022 GTSA Kids: October 4, 12:30<\/p>\n
\n\u2022 GTSA 100km: 24 hours with intermediate cut-offs at km 50 (10 hours) and km 80 (19 hours)
\n\u2022 GTSA 50km: 14 hours with cut-off at km 31.5 (9 hours)
\n\u2022 GTSA 31km, 17km, and 15km: no time limits<\/p>\n
\n\u2022 GTSA 100km: Caminha, Vila Praia de \u00c2ncora, Dem, Arga de Baixo, Arga de Cima, Cerquido, Montaria, Pedrulhos, finish in Dem
\n\u2022 GTSA 50km: Circular route starting and finishing in Dem, passing through villages and natural landmarks
\n\u2022 GTSA 31km, 17km, 15km, Caminhada 12km, and Kids races: Circular routes starting and finishing in S\u00e3o Louren\u00e7o da Montaria<\/p>\n
\n\u2022 Multiple aid stations per distance with liquids and food; athletes must carry their own hydration containers<\/p>\n
\n\ud83c\udfc5 Finisher prize: medal
\n\u23f1\ufe0f Timing + live results via chip timing
\n\ud83d\udedf Safety support: emergency and medical teams on course
\n\ud83d\udee1\ufe0f Insurance: personal accident insurance included in registration fee
\n\ud83e\udd64 Aid stations: liquids and food at multiple points; athletes must carry their own hydration containers
\n\ud83d\udebf Showers available after the race
\n\ud83e\uddf3 Drop-bag service for 100km participants
\n\ud83c\udfc6 Trophies for top finishers in general and age categories<\/p>\n","event_faq_headline":"FAQ","event_faq_items":[{"item_title":"How do I get to the event?","item_description":"The event is accessible via the A28 highway, exit 28 (Dem). Participants must arrange their own transport. A transfer is available for 100km participants from Dem to Caminha if requested by email before September 30, 2026."},{"item_title":"Can children participate?","item_description":"Yes, there is a GTSA Kids race on October 4 with distances from 250 m to 2100 m for ages up to 16 years."},{"item_title":"How do I register?","item_description":"Registration is done online at https:\/\/www.carlossanatureevents.com\/pt\/gtsa. The deadline is September 25, 2026."},{"item_title":"What is the elevation gain of the races?","item_description":"The 100km race has 4594m elevation gain, 50km has 2500m, 31km has 1200m, 17km has 700m, and 15km has 953m."},{"item_title":"Is special equipment required?","item_description":"Mandatory equipment includes an operational headlamp (for 100km and 50km), operational mobile phone, survival blanket, whistle, and water reservoir. A waterproof jacket with hood is recommended for all distances."}],"event_date_start":"20261002","event_date_end":"20261003","event_start_time":"","event_country":"portugal","event_ticket_url":"https:\/\/www.carlossanatureevents.com\/pt\/gtsa","event_rating":"","is_hot_event":false,"event_participants_count":"0","organizer_avatar":false,"event_gallery":false,"purchasing_all_variations_through_woocommerce":false,"optional_extras":false,"event_latitude":"41.79228","event_longitude":"-8.73088","organizer_website":{"title":"","url":"","target":"","0":""}},"_links":{"self":[{"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/product\/58168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/comments?post=58168"}],"version-history":[{"count":1,"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/product\/58168\/revisions"}],"predecessor-version":[{"id":58169,"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/product\/58168\/revisions\/58169"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/media\/58240"}],"wp:attachment":[{"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/media?parent=58168"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/product_brand?post=58168"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/product_cat?post=58168"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/racefinder.pt\/en\/wp-json\/wp\/v2\/product_tag?post=58168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}