Sandra Star Im Schluck Marathon ((free))

The ISM, inaugurated in 2002, is renowned for its , variable weather (average 7 °C, frequent gusts), and a mid‑race “Schluck‑Loop” – a 3 km out‑and‑back segment with a sustained 8 % gradient. These characteristics impose distinct physiological and biomechanical demands compared to flat city marathons, making the event an ideal natural laboratory for studying endurance performance under mixed‑terrain stressors.

| Period | Total km | Low‑Intensity (≤ 65 % HRmax) | Moderate (65‑80 % HRmax) | High (> 80 % HRmax) | |--------|----------|-----------------------------|--------------------------|---------------------| | Oct‑Dec 2024 (Base) | 800 | 78 % | 15 % | 7 % | | Jan‑Mar 2025 (Polarized) | 950 | 81 % | 12 % | 7 % | | Apr‑Jun 2025 (Specific) | 860 | 68 % (incl. hill repeats) | 20 % | 12 % | | Taper (Jun‑Jul) | 210 | 90 % | 8 % | 2 % | sandra star im schluck marathon

It appears that Sandra Star is a participant or a notable figure in a Schluck Marathon, which translates to "gulp marathon" or "swallowing marathon" in English. This event seems to involve a competition or a challenge where individuals attempt to consume a large quantity of a beverage or liquid within a set time frame. The ISM, inaugurated in 2002, is renowned for