{"niche":"What are the best running shoes for long-distance marathons?","description":"What are the best running shoes for long-distance marathons?","products":[{"brand":"Nike","model":"Alphafly 3","price_gbp":213.52,"origin_country":null,"specs":{"drop":"8 mm","weight":"218 g (Men's US 10)","cushioning":"ZoomX foam with forefoot Zoom Air units","stack_height":"Heel 38.1 mm; Forefoot 29.6 mm","midsole_material":"ZoomX foam with full-length carbon fiber plate","outsole_material":"Rubber"},"confidence_score":null,"sources":[{"label":"Nike","url":"https://www.nike.com/t/alphafly-3-mens-road-racing-shoes-5gZBgL","currency":"USD","source_country":"US","price":305.0,"price_gbp":228.5,"scraped_at":"2026-06-09T04:23:51.267044"},{"label":"RunRepeat","url":"https://runrepeat.com/nike-alphafly-3","currency":"USD","source_country":"US","price":285.0,"price_gbp":213.52,"scraped_at":"2026-06-09T04:23:55.157357"},{"label":"RTINGS","url":"https://www.rtings.com/running-shoes/reviews/nike/alphafly-3","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-09T04:23:59.263415"}],"summary":"The Alphafly 3 is a marathon-focused racing shoe combining ZoomX foam, forefoot Zoom Air units and a full-length carbon fiber plate for strong energy return and propulsion. It suits runners chasing marathon speed and PBs who want a highly cushioned, race-day performance shoe."},{"brand":"HOKA","model":"Cielo X1 3.0","price_gbp":205.99,"origin_country":null,"specs":{"drop":"7 mm","weight":"7.52 oz","cushioning":"Dual-layer PEBA superfoam","stack_height":"Heel 38 mm; Forefoot 31 mm","midsole_material":"PEBA foam with full-length carbon fiber plate","outsole_material":"Compression-molded polyurethane"},"confidence_score":null,"sources":[{"label":"HOKA","url":"https://www.hoka.com/en/us/all-gender-footwear/cielo-x1-3.0/1171927.html","currency":"USD","source_country":"US","price":275.0,"price_gbp":206.03,"scraped_at":"2026-06-09T04:24:31.270872"},{"label":"Running Warehouse","url":"https://www.runningwarehouse.com/HOKA_Cielo_X1_30/descpage-HCX13U1.html","currency":"USD","source_country":"US","price":274.95,"price_gbp":205.99,"scraped_at":"2026-06-09T04:24:35.703563"},{"label":"RunRepeat","url":"https://runrepeat.com/hoka-cielo-x-1-3-0","currency":"USD","source_country":"US","price":275.0,"price_gbp":206.03,"scraped_at":"2026-06-09T04:24:39.599214"}],"summary":"The Cielo X1 3.0 is a lightweight, carbon-plated marathon racing shoe with a highly rockered geometry and bouncy PEBA midsole designed for fast long-distance efforts. It suits competitive runners seeking a responsive, propulsive race-day shoe."},{"brand":"Saucony","model":"Endorphin Pro 5","price_gbp":179.77,"origin_country":null,"specs":{"drop":"8 mm","weight":"7.3 oz (M) / 6.3 oz (W)","cushioning":"Dual-layer PWRRUN HG (top) + PWRRUN PB (bottom)","stack_height":"39.5 mm heel / 31.5 mm forefoot","midsole_material":"PWRRUN HG and PWRRUN PB","outsole_material":"PWRTRAC rubber"},"confidence_score":null,"sources":[{"label":"Fleet Feet","url":"https://www.fleetfeet.com/products/mens-saucony-endorphin-pro-5","currency":"USD","source_country":"US","price":240.0,"price_gbp":179.81,"scraped_at":"2026-06-09T04:24:13.280735"},{"label":"Running Warehouse","url":"https://www.runningwarehouse.com/Saucony_Endorphin_Pro_5/descpage-SEP5W3.html","currency":"USD","source_country":"US","price":239.95,"price_gbp":179.77,"scraped_at":"2026-06-09T04:24:17.157856"}],"summary":"The Endorphin Pro 5 is a carbon-plated road racing shoe with a dual-layer superfoam midsole and an updated slotted carbon plate for a snappy, stable ride. It suits runners seeking a race-day super shoe that balances energy return, stability, and traction for distances from 5K to marathon."},{"brand":"ASICS","model":"Superblast 3","price_gbp":157.29,"origin_country":null,"specs":{"drop":"8 mm","weight":"239 g","cushioning":"FF LEAP / FF BLAST PLUS","stack_height":"46.5 mm heel / 38.5 mm forefoot","midsole_material":"FF LEAP and FF BLAST PLUS","outsole_material":"FF ASICSGRIP and RF AHAR LO"},"confidence_score":null,"sources":[{"label":"Running Warehouse","url":"https://www.runningwarehouse.com/ASICS_SUPERBLAST_3/descpage-AS3SB1.html","currency":"USD","source_country":"US","price":209.95,"price_gbp":157.29,"scraped_at":"2026-06-09T04:24:53.862763"},{"label":"ASICS (Australia product page)","url":"https://www.asics.com/au/en-au/blog/superblast-3-vs-superblast-2-running-shoe/","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-09T04:24:57.417482"},{"label":"RunRepeat","url":"https://runrepeat.com/asics-superblast-3","currency":"USD","source_country":"US","price":210.0,"price_gbp":157.33,"scraped_at":"2026-06-09T04:25:01.011150"}],"summary":"The ASICS Superblast 3 is a high-stack, highly cushioned unisex trainer using a two-layer FF LEAP / FF BLAST PLUS midsole for a bouncy, responsive ride. It suits runners seeking maximal cushioning and energy return for long runs and uptempo training while remaining relatively lightweight."}]}