John Isberg

Bib: 31902M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:52
Rank: #24106
Start5K
31:52 | 10:15/mi
10K· 6.21 mi
1:04:54
Rank: #24595 (-489)
5K10K
33:02 | 10:38/mi
15K· 9.32 mi
1:37:37
Rank: #24577 (+18)
10K15K
32:43 | 10:32/mi
20K· 12.43 mi
2:11:35
Rank: #24564 (+13)
15K20K
33:58 | 10:56/mi
Half· 13.11 mi
2:18:43
Rank: #24547 (+17)
20KHalf
7:08 | 10:27/mi
25K· 15.53 mi
2:45:19
Rank: #24438 (+109)
Half25K
26:36 | 10:58/mi
30K· 18.64 mi
3:20:35
Rank: #24276 (+162)
25K30K
35:16 | 11:21/mi
20M
3:36:21
Rank: #24232 (+44)
30K20M
15:46 | 11:36/mi
21M
3:48:32
Rank: #24162 (+70)
20M21M
12:11 | 12:11/mi
35K· 21.75 mi
3:56:50
Rank: #24149 (+13)
21M35K
8:18 | 11:06/mi
23M
4:11:29
Rank: #24124 (+25)
35K23M
14:39 | 11:42/mi
24M
4:22:57
Rank: #24116 (+8)
23M24M
11:28 | 11:28/mi
40K· 24.85 mi
4:33:01
Rank: #24079 (+37)
24M40K
10:04 | 11:46/mi
25.2M
4:37:21
Rank: #24075 (+4)
40K25.2M
4:20 | 12:34/mi
Finish· 26.22 mi
4:48:51
Rank: #24100 (-25)
25.2MFinish
11:30 | 11:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:43
Pace10:35 /mi
2nd Half
Distance13.11 mi
Time2:30:08
Pace11:27 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1031:5210:1531:52
10:15
-
10K
6.21 mi12:24:121:04:5410:2733:02
10:38
+0:23
15K
9.32 mi12:56:551:37:3710:2832:43
10:32
-0:06
20K
12.43 mi13:30:532:11:3510:3533:58
10:56
+0:24
Half
13.11 mi13:38:012:18:4310:357:08
10:27
-0:29
25K
15.53 mi14:04:372:45:1910:3926:36
10:58
+0:31
30K
18.64 mi14:39:533:20:3510:4635:16
11:21
+0:23
20M
20.00 mi14:55:393:36:2110:4915:46
11:36
+0:15
21M
21.00 mi15:07:503:48:3210:5312:11
12:11
+0:35
35K
21.75 mi15:16:083:56:5010:538:18
11:06
-1:05
23M
23.00 mi15:30:474:11:2910:5614:39
11:42
+0:36
24M
24.00 mi15:42:154:22:5710:5711:28
11:28
-0:14
40K
24.85 mi15:52:194:33:0110:5910:04
11:46
+0:18
25.2M
25.20 mi15:56:394:37:2111:004:20
12:34
+0:48
Finish
26.22 mi16:08:094:48:5111:0111:30
11:17
-1:17

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:15 /mi

Average Pace

11:01 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:19

57% of race

Time at Steady Pace

1:06:32

23% of race

Time at Slower Pace

57:00

20% of race

Average Pace: 11:01 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:1031:5210:1531:52
10:15
#24106
10K
6.21 mi12:24:121:04:5410:2733:02
10:38
#24595
15K
9.32 mi12:56:551:37:3710:2832:43
10:32
#24577
20K
12.43 mi13:30:532:11:3510:3533:58
10:56
#24564
Half
13.11 mi13:38:012:18:4310:357:08
10:27
#24547
25K
15.53 mi14:04:372:45:1910:3926:36
10:58
#24438
30K
18.64 mi14:39:533:20:3510:4635:16
11:21
#24276
20M
20.00 mi14:55:393:36:2110:4915:46
11:36
#24232
21M
21.00 mi15:07:503:48:3210:5312:11
12:11
#24162
35K
21.75 mi15:16:083:56:5010:538:18
11:06
#24149
23M
23.00 mi15:30:474:11:2910:5614:39
11:42
#24124
24M
24.00 mi15:42:154:22:5710:5711:28
11:28
#24116
40K
24.85 mi15:52:194:33:0110:5910:04
11:46
#24079
25.2M
25.20 mi15:56:394:37:2111:004:20
12:34
#24075
Finish
26.22 mi16:08:094:48:5111:0111:30
11:17
#24100
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi24106141431414324509(Top 92%)14302(Top 94%)14302(Top 1006%)
10K6.21 mi3.10 mi24595-48914366-22314366-22324920(Top 94%)14501(Top 96%)14501(Top 1020%)
15K9.32 mi3.11 mi24577+1814349+1714349+1724509(Top 92%)14302(Top 94%)14302(Top 1006%)
20K12.43 mi3.11 mi24564+1314329+2014329+2024528(Top 92%)14290(Top 94%)14290(Top 1005%)
Half13.11 mi0.68 mi24547+1714322+714322+724115(Top 91%)14113(Top 93%)14113(Top 992%)
25K15.53 mi2.42 mi24438+10914261+6114261+6123921(Top 90%)13987(Top 92%)13987(Top 984%)
30K18.64 mi3.11 mi24276+16214167+9414167+9423651(Top 89%)13822(Top 91%)13822(Top 972%)
20M20.00 mi1.36 mi24232+4414143+2414143+2423671(Top 89%)13769(Top 91%)13769(Top 968%)
21M21.00 mi1.00 mi24162+7014100+4314100+4323028(Top 86%)13440(Top 89%)13440(Top 945%)
35K21.75 mi0.75 mi24149+1314092+814092+823456(Top 88%)13588(Top 90%)13588(Top 956%)
23M23.00 mi1.25 mi24124+2514068+2414068+2423572(Top 89%)13660(Top 90%)13660(Top 961%)
24M24.00 mi1.00 mi24116+814060+814060+823821(Top 89%)13735(Top 91%)13735(Top 966%)
40K24.85 mi0.85 mi24079+3714034+2614034+2623602(Top 89%)13586(Top 90%)13586(Top 955%)
25.2M25.20 mi0.35 mi24075+414031+314031+323376(Top 88%)13487(Top 89%)13487(Top 948%)
Finish26.22 mi1.02 mi24100-2514038-714038-724406(Top 92%)14028(Top 92%)14028(Top 986%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24509

Males

14302

M55-59

14302

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24920

Males

14501

M55-59

14501

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24509

Males

14302

M55-59

14302

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24528

Males

14290

M55-59

14290

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24115

Males

14113

M55-59

14113

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

23921

Males

13987

M55-59

13987

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23651

Males

13822

M55-59

13822

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

23671

Males

13769

M55-59

13769

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

23028

Males

13440

M55-59

13440

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23456

Males

13588

M55-59

13588

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23572

Males

13660

M55-59

13660

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23821

Males

13735

M55-59

13735

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23602

Males

13586

M55-59

13586

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23376

Males

13487

M55-59

13487

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24406

Males

14028

M55-59

14028

Passing Analysis

Category:
Athletes Passed
1014
Passed By
1008
Net Change
+6
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24106
5K10K50539-489#24106#24595
10K15K137119+18#24595#24577
15K20K10087+13#24577#24564
20KHalf3922+17#24564#24547
Half25K14536+109#24547#24438
25K30K21048+162#24438#24276
30K20M6723+44#24276#24232
20M21M8515+70#24232#24162
21M35K2411+13#24162#24149
35K23M4924+25#24149#24124
23M24M3123+8#24124#24116
24M40K4811+37#24116#24079
40K25.2M106+4#24079#24075
25.2MFinish1944-25#24075#24100
TOTALS10141008+6
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing