I want to set a time limit for the "Katte 100-Mile Race"!!
Author: LoveBeerExecutions: 1043
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Trail Running: A Must-Read for RDs of the “Do-It-Yourself 100-Mile Race”?! Calculate the time limit based on distance (km) and cumulative elevation gain (m).
I am using the course profiles for ONTAKE100, UTMF, Shinetsu Five Peaks Trail Running Race, KOUMI100, Torenic World Saitama, HURT100, Grand Raid Reunion, UTMB, OMAN by UTMB, and Andorra Ultra Trail as references.(Source: Kimino’s Great Adventure)
I created scatter plots for each race showing the gradient (cumulative elevation gain in meters per kilometer) or km-effort (distance plus cumulative elevation gain divided by 100) against the time limit, and calculated the time limit using the resulting regression equation.
I created scatter plots for each race showing the gradient (cumulative elevation gain in meters per kilometer) or km-effort (distance plus cumulative elevation gain divided by 100) against the time limit, and calculated the time limit using the resulting regression equation.
| From gradient (m/km) | Time |
| From ITRA's km-effort | Time |
[From gradient (m/km)] ⇒ Time limit = 0.909 × (cumulative elevation gain / distance) - 7.07; Coefficient of determination = 0.5346
[From ITRA km-effort] ⇒ Time limit = 0.444 × (Distance + Cumulative Elevation / 100) - 70.4; Coefficient of Determination = 0.6153
[From ITRA km-effort] ⇒ Time limit = 0.444 × (Distance + Cumulative Elevation / 100) - 70.4; Coefficient of Determination = 0.6153
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