{"page":"https://www.roxtimes.com/athletes/jack-klopfenstein-f7e8a8b5","name":"Jack Klopfenstein","nationality":"USA","races":17,"best":{"time":"1:01:25","time_s":3685},"results":[{"race":"2026 Boston","date":"2026-10-08","page":"https://www.roxtimes.com/races/s9/boston","division":"doubles-mixed","label":"Doubles Mixed","age_group":"30-34","time":"56:28","time_s":3388,"place":6,"of":1730,"age_group_place":2,"age_group_of":414,"partner":"Erin Mullen","runs_s":1837,"stations_s":1337,"roxzone_s":218,"splits":{"runs":["3:08","3:41","3:50","3:56","3:54","3:54","4:03","4:14"],"stations":{"skiErg":"3:51","sledPush":"1:42","sledPull":"2:33","burpeeBroadJump":"2:54","rowErg":"4:01","farmersCarry":"1:19","sandbagLunges":"2:02","wallBalls":"3:55"}}},{"race":"2026 Washington DC","date":"2026-09-03","page":"https://www.roxtimes.com/races/s9/washington-dc","division":"open-men","label":"Open Men","age_group":"30-34","time":"1:01:25","time_s":3685,"place":24,"of":2855,"age_group_place":12,"age_group_of":687,"partner":null,"runs_s":1827,"stations_s":1581,"roxzone_s":282,"splits":{"runs":["2:52","3:43","3:53","4:01","4:16","3:58","4:02","3:45"],"stations":{"skiErg":"4:16","sledPush":"3:04","sledPull":"2:58","burpeeBroadJump":"3:21","rowErg":"4:18","farmersCarry":"1:41","sandbagLunges":"2:52","wallBalls":"3:51"}}},{"race":"2026 Stockholm","date":"2026-06-18","page":"https://www.roxtimes.com/races/s8/stockholm-2","division":"doubles-mixed","label":"Doubles Mixed","age_group":"25-29","time":"57:51","time_s":3471,"place":148,"of":668,"age_group_place":61,"age_group_of":108,"partner":"Anna Foley","runs_s":null,"stations_s":null,"roxzone_s":null,"splits":{"runs":[null,null,null,null,null,null,null,null],"stations":{"skiErg":null,"sledPush":null,"sledPull":null,"burpeeBroadJump":null,"rowErg":null,"farmersCarry":null,"sandbagLunges":null,"wallBalls":null}}},{"race":"2026 Stockholm","date":"2026-06-18","page":"https://www.roxtimes.com/races/s8/stockholm-2","division":"pro-doubles-men","label":"Pro Doubles Men","age_group":"30-34","time":"57:54","time_s":3474,"place":248,"of":704,"age_group_place":68,"age_group_of":101,"partner":"Chris Ash","runs_s":1843,"stations_s":1361,"roxzone_s":274,"splits":{"runs":["2:11","3:40","3:58","4:06","4:03","4:11","4:12","4:26"],"stations":{"skiErg":"3:26","sledPush":"1:49","sledPull":"3:13","burpeeBroadJump":"2:16","rowErg":"3:55","farmersCarry":"1:30","sandbagLunges":"2:42","wallBalls":"3:50"}}},{"race":"2026 Monterrey","date":"2026-04-20","page":"https://www.roxtimes.com/races/s8/monterrey","division":"pro-men","label":"Pro Men","age_group":"30-34","time":"1:09:46","time_s":4186,"place":21,"of":354,"age_group_place":7,"age_group_of":78,"partner":null,"runs_s":1940,"stations_s":1923,"roxzone_s":327,"splits":{"runs":["3:21","3:56","4:02","4:12","4:18","4:06","4:08","4:20"],"stations":{"skiErg":"4:00","sledPush":"3:52","sledPull":"4:32","burpeeBroadJump":"3:49","rowErg":"4:24","farmersCarry":"1:54","sandbagLunges":"4:09","wallBalls":"5:23"}}},{"race":"2026 Houston","date":"2026-03-26","page":"https://www.roxtimes.com/races/s8/houston","division":"pro-doubles-men","label":"Pro Doubles Men","age_group":"30-34","time":"54:57","time_s":3297,"place":4,"of":245,"age_group_place":3,"age_group_of":79,"partner":"Chris Ash","runs_s":1731,"stations_s":1315,"roxzone_s":256,"splits":{"runs":["3:45","3:26","3:31","3:30","3:29","3:33","3:44","3:56"],"stations":{"skiErg":"3:28","sledPush":"1:42","sledPull":"3:15","burpeeBroadJump":"2:17","rowErg":"3:39","farmersCarry":"1:26","sandbagLunges":"2:31","wallBalls":"3:37"}}},{"race":"2025 Dallas","date":"2025-11-21","page":"https://www.roxtimes.com/races/s8/dallas","division":"relay-men","label":"Relay Men","age_group":"U40","time":"54:00","time_s":3240,"place":2,"of":71,"age_group_place":2,"age_group_of":58,"partner":"David Henry, Chris Ash, Clay Bell","runs_s":null,"stations_s":null,"roxzone_s":null,"splits":{"runs":[null,null,null,null,null,null,null,null],"stations":{"skiErg":null,"sledPush":null,"sledPull":null,"burpeeBroadJump":null,"rowErg":null,"farmersCarry":null,"sandbagLunges":null,"wallBalls":null}}},{"race":"2025 Dallas","date":"2025-11-21","page":"https://www.roxtimes.com/races/s8/dallas","division":"pro-doubles-men","label":"Pro Doubles Men","age_group":"30-34","time":"54:28","time_s":3268,"place":7,"of":346,"age_group_place":5,"age_group_of":109,"partner":"Chris Ash","runs_s":1842,"stations_s":1271,"roxzone_s":160,"splits":{"runs":["4:00","3:38","3:50","3:47","3:48","3:49","3:59","3:55"],"stations":{"skiErg":"3:17","sledPush":"2:00","sledPull":"2:56","burpeeBroadJump":"1:47","rowErg":"3:43","farmersCarry":"1:27","sandbagLunges":"2:15","wallBalls":"3:46"}}},{"race":"2025 Dallas","date":"2025-11-21","page":"https://www.roxtimes.com/races/s8/dallas","division":"doubles-mixed","label":"Doubles Mixed","age_group":"30-34","time":"55:18","time_s":3318,"place":4,"of":1504,"age_group_place":3,"age_group_of":365,"partner":"Erin Mullen","runs_s":1867,"stations_s":1282,"roxzone_s":174,"splits":{"runs":["4:04","3:40","3:47","4:03","3:58","4:00","3:51","3:48"],"stations":{"skiErg":"3:37","sledPush":"1:40","sledPull":"2:50","burpeeBroadJump":"2:08","rowErg":"3:57","farmersCarry":"1:38","sandbagLunges":"2:12","wallBalls":"3:20"}}},{"race":"2025 Atlanta","date":"2025-10-31","page":"https://www.roxtimes.com/races/s8/atlanta","division":"doubles-mixed","label":"Doubles Mixed","age_group":"25-29","time":"59:45","time_s":3585,"place":1,"of":582,"age_group_place":1,"age_group_of":120,"partner":"Anna Foley","runs_s":1895,"stations_s":1416,"roxzone_s":279,"splits":{"runs":["3:26","3:54","4:07","4:03","4:04","4:06","3:56","4:03"],"stations":{"skiErg":"3:50","sledPush":"1:27","sledPull":"4:32","burpeeBroadJump":"2:11","rowErg":"3:58","farmersCarry":"1:29","sandbagLunges":"2:26","wallBalls":"3:43"}}},{"race":"2025 Boston","date":"2025-09-26","page":"https://www.roxtimes.com/races/s8/boston","division":"pro-doubles-men","label":"Pro Doubles Men","age_group":"30-34","time":"56:19","time_s":3379,"place":5,"of":224,"age_group_place":3,"age_group_of":61,"partner":"Chris Ash","runs_s":1846,"stations_s":1327,"roxzone_s":211,"splits":{"runs":["4:19","3:37","3:44","3:41","3:52","3:49","3:48","3:59"],"stations":{"skiErg":"3:25","sledPush":"1:38","sledPull":"2:54","burpeeBroadJump":"2:14","rowErg":"3:54","farmersCarry":"1:24","sandbagLunges":"2:49","wallBalls":"3:49"}}},{"race":"2025 World Championships","date":"2025-06-13","page":"https://www.roxtimes.com/races/s7/chicago","division":"pro-men","label":"Pro Men","age_group":"30-34","time":"1:04:12","time_s":3852,"place":133,"of":522,"age_group_place":45,"age_group_of":146,"partner":null,"runs_s":null,"stations_s":null,"roxzone_s":null,"splits":{"runs":[null,null,null,null,null,null,null,null],"stations":{"skiErg":null,"sledPush":null,"sledPull":null,"burpeeBroadJump":null,"rowErg":null,"farmersCarry":null,"sandbagLunges":null,"wallBalls":null}}},{"race":"2025 Miami Beach","date":"2025-04-19","page":"https://www.roxtimes.com/races/s7/miami-beach","division":"pro-doubles-men","label":"Pro Doubles Men","age_group":"30-39","time":"53:27","time_s":3207,"place":10,"of":102,"age_group_place":8,"age_group_of":61,"partner":"Chris Ash","runs_s":1727,"stations_s":1249,"roxzone_s":236,"splits":{"runs":["2:30","3:30","3:41","3:41","3:50","3:41","3:46","4:10"],"stations":{"skiErg":"3:22","sledPush":"1:43","sledPull":"3:03","burpeeBroadJump":"1:44","rowErg":"3:42","farmersCarry":"1:21","sandbagLunges":"2:15","wallBalls":"3:39"}}},{"race":"2025 Monterrey","date":"2025-04-05","page":"https://www.roxtimes.com/races/s7/monterrey","division":"doubles-men","label":"Doubles Men","age_group":"30-39","time":"56:53","time_s":3413,"place":3,"of":438,"age_group_place":2,"age_group_of":191,"partner":"Thomas Hill","runs_s":2027,"stations_s":1190,"roxzone_s":201,"splits":{"runs":["4:35","3:58","4:11","4:09","4:09","4:17","4:16","4:15"],"stations":{"skiErg":"3:35","sledPush":"1:19","sledPull":"2:11","burpeeBroadJump":"2:09","rowErg":"3:56","farmersCarry":"1:24","sandbagLunges":"1:59","wallBalls":"3:17"}}},{"race":"2025 Houston","date":"2025-03-15","page":"https://www.roxtimes.com/races/s7/houston","division":"pro-men","label":"Pro Men","age_group":"30-34","time":"1:04:17","time_s":3857,"place":13,"of":226,"age_group_place":5,"age_group_of":68,"partner":null,"runs_s":1921,"stations_s":1720,"roxzone_s":222,"splits":{"runs":["3:42","3:53","3:56","4:02","4:00","4:16","4:06","4:09"],"stations":{"skiErg":"4:02","sledPush":"2:43","sledPull":"3:58","burpeeBroadJump":"3:23","rowErg":"4:10","farmersCarry":"1:56","sandbagLunges":"3:42","wallBalls":"4:46"}}},{"race":"2025 Guadalajara","date":"2025-02-08","page":"https://www.roxtimes.com/races/s7/guadalajara","division":"pro-men","label":"Pro Men","age_group":"30-34","time":"1:14:01","time_s":4441,"place":11,"of":141,"age_group_place":3,"age_group_of":39,"partner":null,"runs_s":2151,"stations_s":1940,"roxzone_s":349,"splits":{"runs":["4:36","4:20","4:09","4:45","4:24","4:37","4:20","4:41"],"stations":{"skiErg":"4:08","sledPush":"3:21","sledPull":"4:47","burpeeBroadJump":"4:05","rowErg":"4:40","farmersCarry":"2:00","sandbagLunges":"3:43","wallBalls":"5:36"}}},{"race":"2024 Dallas","date":"2024-11-23","page":"https://www.roxtimes.com/races/s7/dallas","division":"pro-men","label":"Pro Men","age_group":"30-34","time":"1:08:01","time_s":4081,"place":19,"of":210,"age_group_place":8,"age_group_of":60,"partner":null,"runs_s":1989,"stations_s":1808,"roxzone_s":288,"splits":{"runs":["3:57","3:44","3:57","4:17","4:00","4:03","4:29","4:45"],"stations":{"skiErg":"4:07","sledPush":"3:25","sledPull":"4:20","burpeeBroadJump":"2:46","rowErg":"4:17","farmersCarry":"1:46","sandbagLunges":"4:05","wallBalls":"5:22"}}}],"note":"RoxTimes: HYROX results and analysis from the results the organiser published. Not affiliated with or endorsed by HYROX. \"Typical\" is the middle finisher of the field. Times in seconds and as h:mm:ss."}