{
  "id": 9354047,
  "title": "4-legged Korean robot runs full marathon on single charge",
  "url": "https://urgent.news/2026/09/23/4-legged-korean-robot-runs-full-marathon-on-single-charge",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-23T15:02:04.000Z",
  "source": {
    "name": "The Korea Times",
    "slug": "the-korea-times",
    "url": "https://www.koreatimes.co.kr/southkorea/20260924/4-legged-korean-robot-runs-full-marathon-on-single-charge"
  },
  "original_language": "en",
  "account": "In the realm of legged robotics, the ability to maintain endurance has traditionally been a significant challenge. While quadruped machines can perform impressive feats such as backflips, navigating through rubble, and ascending staircases with remarkable agility, their high-performance motors typically consume battery reserves within less than an hour. However, in the rural regions of North Gyeongsang Province, a quadrupedal robot named RAIBO2 managed to traverse over four hours, crossing a full 42-kilometer marathon distance while leaving spectators and even human runners in awe. This remarkable achievement was made possible by engineers at the Korea Advanced Institute of Science and Technology (KAIST) who developed the innovative RAIBO2 quadrupedal robot. The groundbreaking feat was recently documented in the prestigious scientific journal Nature, marking the first time Korean robotics research has graced the main pages of the esteemed publication. This milestone occurred during the annual Sangju Dried Persimmon Marathon, a local event named after the region's renowned fruit, where RAIBO2 competed alongside human runners.",
  "summary": "In the world of legged robotics, endurance has long been the ultimate hurdle. While four-legged machines can backflip, negotiate rubble and scale staircases with uncanny agility, their high-performance motors typically drain battery reserves in less than an hour. But along the rural stretches of North Gyeongsang Province, a dog-like machine spent over four hours trotting past orchards and…",
  "key_points": [
    "RAIBO2 quadruped robot completes full marathon",
    "Developed by KAIST engineers, endures 4 hours",
    "Published in Nature, first Korean robotics feat"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "The Korea Times",
        "title": "4-legged Korean robot runs full marathon on single charge",
        "url": "https://urgent.news/2026/09/23/4-legged-korean-robot-runs-full-marathon-on-single-charge-9357390",
        "published": "2026-09-23T15:22:04.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}