Activity jon.roberts220161@gmail.com 26/10/2025 Pentrefelin Circuit Details for Jon RobertsDate and Start TimeGradeOriginDetail Wed 06-08-2025 08:03 amEasyCoros0CriteriaOverall1st Half2nd Half% ChangeDistance8.25 km3.84 km4.42 km15 %Time00:58:4100:29:2100:29:210 %Pace07:07 /km07:39 /km06:39 /km-13 %Average HR124 bpm127121-5 %Running Efficiency (Pace/HR)52.958.348.3-17 %Own System 3 Zone System using Maximum Heart Rate (Version 3)Own System 5 Zone System using Maximum Heart Rate (Version 1)Own System 7 Zone System using Maximum Heart Rate (Version 1)Garmin 5 Zone System using Maximum Heart Rate (Version 1)Coros 6 Zone System using Maximum Heart Rate (Version 1)Coros 6 Zone System using Threshold Heart Rate (Version 1)Coros 6 Zone System using Heart Rate Reserve (Version 1)Zone% Max HRHR Limits% RunZone 10-60 %0-102 bpm0 %Zone 261-70 %103-119 bpm21 %Zone 371-80 %120-136 bpm73 %Zone 481-90 %137-153 bpm6 %Zone 591-100 %154-169 bpm0 %KMTimePaceElevationDescentOverall1K00:07:0607:06 /km45m5m40m2K00:13:2906:23 /km6m14m-8m3K00:21:0907:40 /km43m14m29m4K00:30:3309:24 /km71m5m66m5K00:37:3607:03 /km6m15m-9m6K00:43:5806:22 /km1m28m-27m7K00:50:2406:26 /km1m29m-28m8K00:56:5306:29 /km2m45m-43m