Activity jon.roberts220161@gmail.com 26/10/2025 Pentrefelin Circuit Details for Jon RobertsDate and Start TimeGradeOriginDetail Fri 23-01-2026 09:16 amModerateCoros0CriteriaOverall1st Half2nd Half% ChangeDistance8.27 km3.74 km4.53 km21 %Time00:59:3500:29:4800:29:480 %Pace07:12 /km07:58 /km06:35 /km-17 %Average HR128 bpm1271313 %Running Efficiency (Pace/HR)55.360.751.7-15 %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 bpm1 %Zone 2a61-65 %103-111 bpm0 %Zone 2b66-70 %112-119 bpm5 %Zone 3a71-75 %120-128 bpm46 %Zone 3b76-80 %129-136 bpm31 %Zone 481-90 %137-153 bpm16 %Zone 591-100 %154-170 bpm0 %KMTimePaceElevationDescentOverall1K00:07:4707:47 /km62m16m46m2K00:14:4206:55 /km5m14m-9m3K00:22:4908:07 /km41m11m30m4K00:31:5409:05 /km73m8m65m5K00:38:4206:48 /km10m17m-7m6K00:45:0606:24 /km1m29m-28m7K00:51:2106:15 /km2m34m-32m8K00:57:4206:21 /km3m48m-45m