Activity jon.roberts220161@gmail.com 26/10/2025 Birks Fell and Buckden Pike Circuit Details for Jon RobertsDate and Start TimeGradeOriginDetail Wed 29-07-2026 07:19 amEasyCorosCriteriaOverall1st Half2nd Half% ChangeDistance29.86 km16.05 km13.81 km-14 %Time08:46:4504:23:2304:23:230 %Pace17:38 /km16:25 /km19:04 /km16 %Average HR118 bpm117100-15 %Running Efficiency (Pace/HR)124.9115.2114.4-1 %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 bpm12 %Zone 2a61-65 %103-111 bpm11 %Zone 2b66-70 %112-119 bpm33 %Zone 3a71-75 %120-128 bpm30 %Zone 3b76-80 %129-136 bpm8 %Zone 481-90 %137-153 bpm6 %Zone 591-100 %154-170 bpm0 %KMTimePaceElevationDescentOverall1K00:21:3421:34 /km368m1m367m2K00:40:1418:40 /km123m3m120m3K00:58:1317:59 /km46m5m41m4K01:13:3015:17 /km68m11m57m5K01:27:3414:04 /km21m16m5m6K01:42:0614:32 /km25m16m9m7K01:59:2217:16 /km14m18m-4m8K02:13:5714:35 /km21m19m2m9K02:28:3714:40 /km12m26m-14m10K02:42:5214:15 /km19m29m-10m11K02:59:0316:11 /km39m17m22m12K03:13:4114:38 /km15m39m-24m13K03:31:3117:50 /km0m226m-226m14K03:48:1116:40 /km134m127m7m15K04:23:3435:23 /km398m411m-13m16K04:38:3014:56 /km23m18m5m17K04:52:2213:52 /km12m13m-1m18K05:06:5614:34 /km12m19m-7m19K05:28:2421:28 /km57m26m31m20K05:44:0215:38 /km61m4m57m21K06:02:4018:38 /km117m1m116m22K06:47:3744:57 /km865m702m163m23K07:02:1014:33 /km21m34m-13m24K07:17:5215:42 /km6m69m-63m25K07:36:4218:50 /km26m36m-10m26K07:53:2916:47 /km4m75m-71m27K08:08:0414:35 /km4m89m-85m28K08:21:3013:26 /km1m65m-64m29K08:35:3614:06 /km1m116m-115m