{"id":11405,"date":"2026-02-02T09:41:08","date_gmt":"2026-02-02T09:41:08","guid":{"rendered":"https:\/\/www.ultrax.ai\/?post_type=educational-material&#038;p=11405"},"modified":"2026-03-09T14:29:20","modified_gmt":"2026-03-09T14:29:20","slug":"four-week-endurance-planning-and-programming-manual-u19","status":"publish","type":"educational-material","link":"https:\/\/www.ultrax.ai\/de\/educational-material\/four-week-endurance-planning-and-programming-manual-u19\/","title":{"rendered":"Four Week Endurance Planning and Programming Manual \u2013 U19"},"content":{"rendered":"<ul class=\"wp-block-list\">\n<li>Structured four-week endurance program designed for <strong>U19 football players<\/strong><\/li>\n\n\n\n<li><strong>Return to competition after hamstring injury<\/strong>, with position-specific examples<\/li>\n\n\n\n<li>Practical application of <strong>periodization principles<\/strong> in endurance development<\/li>\n\n\n\n<li>Integration of <strong>high- and low-intensity endurance methods<\/strong> (polarisation model)<\/li>\n\n\n\n<li>Use of <strong>testing, monitoring, and load management<\/strong> (GPS, RPE, field tests)<\/li>\n\n\n\n<li>Ready-to-use <strong>training sessions, drills, and microcycle examples<\/strong> created in Ultrax<\/li>\n<\/ul>","protected":false},"featured_media":11406,"template":"","meta":{"_acf_changed":true,"inline_featured_image":false},"ebook-topic":[],"educational-materials-category":[40],"class_list":["post-11405","educational-material","type-educational-material","status-publish","has-post-thumbnail","hentry","educational-materials-category-educational-materials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Four Week Endurance Planning and Programming Manual \u2013 U19 | Ultrax AI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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