Johnathon Chamberlain

Bib: 6577M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:38
Rank: #20312
Start5K
8:34/mi
26:38 split
10K· 6.21 mi
54:30
Rank: #21286 (-974)
5K10K
8:58/mi
27:52 split
15K· 9.32 mi
1:23:23
Rank: #22053 (-767)
10K15K
9:18/mi
28:53 split
20K· 12.43 mi
1:53:07
Rank: #22365 (-312)
15K20K
9:34/mi
29:44 split
Half· 13.11 mi
1:59:35
Rank: #22431 (-66)
20KHalf
9:29/mi
6:28 split
25K· 15.53 mi
2:23:45
Rank: #22626 (-195)
Half25K
9:58/mi
24:10 split
30K· 18.64 mi
3:01:33
Rank: #23502 (-876)
25K30K
12:10/mi
37:48 split
20M
3:15:08
Rank: #23304 (+198)
30K20M
10:00/mi
13:35 split
21M
3:28:49
Rank: #23567 (-263)
20M21M
13:41/mi
13:41 split
35K· 21.75 mi
3:36:55
Rank: #23581 (-14)
21M35K
10:50/mi
8:06 split
23M
3:50:31
Rank: #23527 (+54)
35K23M
10:52/mi
13:36 split
24M
4:00:49
Rank: #23465 (+62)
23M24M
10:18/mi
10:18 split
40K· 24.85 mi
4:09:54
Rank: #23411 (+54)
24M40K
10:37/mi
9:05 split
25.2M
4:13:19
Rank: #23321 (+90)
40K25.2M
9:54/mi
3:25 split
Finish· 26.22 mi
4:22:53
Rank: #23255 (+66)
25.2MFinish
9:23/mi
9:34 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:35
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:23:18
Pace10:56 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5126:388:3426:38
8:34
-
10K
6.21 mi11:20:4354:308:4627:52
8:58
+0:24
15K
9.32 mi11:49:361:23:238:5728:53
9:18
+0:20
20K
12.43 mi12:19:201:53:079:0629:44
9:34
+0:16
Half
13.11 mi12:25:481:59:359:076:28
9:29
-0:05
25K
15.53 mi12:49:582:23:459:1524:10
9:58
+0:29
30K
18.64 mi13:27:463:01:339:4437:48
12:10
+2:12
20M
20.00 mi13:41:213:15:089:4513:35
10:00
-2:10
21M
21.00 mi13:55:023:28:499:5713:41
13:41
+3:41
35K
21.75 mi14:03:083:36:559:588:06
10:50
-2:51
23M
23.00 mi14:16:443:50:3110:0113:36
10:52
+0:02
24M
24.00 mi14:27:024:00:4910:0210:18
10:18
-0:34
40K
24.85 mi14:36:074:09:5410:039:05
10:37
+0:19
25.2M
25.20 mi14:39:324:13:1910:033:25
9:54
-0:43
Finish
26.22 mi14:49:064:22:5310:029:34
9:23
-0:31

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

8:34 /mi

Average Pace

10:02 /mi

Slowest Pace

13:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:23

32% of race

Time at Steady Pace

1:37:14

37% of race

Time at Slower Pace

1:22:16

31% of race

Average Pace: 10:02 /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 mi10:52:5126:388:3426:38
8:34
#20312
10K
6.21 mi11:20:4354:308:4627:52
8:58
#21286
15K
9.32 mi11:49:361:23:238:5728:53
9:18
#22053
20K
12.43 mi12:19:201:53:079:0629:44
9:34
#22365
Half
13.11 mi12:25:481:59:359:076:28
9:29
#22431
25K
15.53 mi12:49:582:23:459:1524:10
9:58
#22626
30K
18.64 mi13:27:463:01:339:4437:48
12:10
#23502
20M
20.00 mi13:41:213:15:089:4513:35
10:00
#23304
21M
21.00 mi13:55:023:28:499:5713:41
13:41
#23567
35K
21.75 mi14:03:083:36:559:588:06
10:50
#23581
23M
23.00 mi14:16:443:50:3110:0113:36
10:52
#23527
24M
24.00 mi14:27:024:00:4910:0210:18
10:18
#23465
40K
24.85 mi14:36:074:09:5410:039:05
10:37
#23411
25.2M
25.20 mi14:39:324:13:1910:033:25
9:54
#23321
Finish
26.22 mi14:49:064:22:5310:029:34
9:23
#23255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20312125681256823204(Top 82%)13933(Top 87%)13933(Top 620%)
10K6.21 mi3.10 mi21286-97413019-45113019-45122248(Top 78%)13449(Top 84%)13449(Top 599%)
15K9.32 mi3.11 mi22053-76713363-34413363-34423204(Top 82%)13933(Top 87%)13933(Top 620%)
20K12.43 mi3.11 mi22365-31213509-14613509-14623114(Top 81%)13842(Top 86%)13842(Top 616%)
Half13.11 mi0.68 mi22431-6613539-3013539-3023492(Top 83%)14001(Top 87%)14001(Top 623%)
25K15.53 mi2.42 mi22626-19513624-8513624-8523166(Top 82%)13819(Top 86%)13819(Top 615%)
30K18.64 mi3.11 mi23502-87613983-35913983-35925791(Top 91%)14892(Top 92%)14892(Top 663%)
20M20.00 mi1.36 mi23304+19813880+10313880+10320925(Top 74%)12555(Top 78%)12555(Top 559%)
21M21.00 mi1.00 mi23567-26313969-8913969-8925855(Top 91%)14817(Top 92%)14817(Top 659%)
35K21.75 mi0.75 mi23581-1413963+613963+623859(Top 84%)13820(Top 86%)13820(Top 615%)
23M23.00 mi1.25 mi23527+5413924+3913924+3922899(Top 81%)13295(Top 83%)13295(Top 592%)
24M24.00 mi1.00 mi23465+6213883+4113883+4122238(Top 78%)12925(Top 80%)12925(Top 575%)
40K24.85 mi0.85 mi23411+5413841+4213841+4222248(Top 78%)12858(Top 80%)12858(Top 572%)
25.2M25.20 mi0.35 mi23321+9013784+5713784+5716594(Top 58%)10187(Top 63%)10187(Top 453%)
Finish26.22 mi1.02 mi23255+6613739+4513739+4520745(Top 73%)12172(Top 76%)12172(Top 542%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23204

Males

13933

M40-44

13933

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22248

Males

13449

M40-44

13449

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23204

Males

13933

M40-44

13933

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

23114

Males

13842

M40-44

13842

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23492

Males

14001

M40-44

14001

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23166

Males

13819

M40-44

13819

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25791

Males

14892

M40-44

14892

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

20925

Males

12555

M40-44

12555

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25855

Males

14817

M40-44

14817

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23859

Males

13820

M40-44

13820

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

22899

Males

13295

M40-44

13295

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22238

Males

12925

M40-44

12925

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22248

Males

12858

M40-44

12858

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16594

Males

10187

M40-44

10187

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20745

Males

12172

M40-44

12172

Passing Analysis

Category:
Athletes Passed
999
Passed By
3942
Net Change
-2943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20312
5K10K421016-974#20312#21286
10K15K47814-767#21286#22053
15K20K97409-312#22053#22365
20KHalf1480-66#22365#22431
Half25K90285-195#22431#22626
25K30K25901-876#22626#23502
30K20M2002+198#23502#23304
20M21M20283-263#23304#23567
21M35K4256-14#23567#23581
35K23M10046+54#23581#23527
23M24M7614+62#23527#23465
24M40K7521+54#23465#23411
40K25.2M900+90#23411#23321
25.2MFinish8115+66#23321#23255
TOTALS9993942-2943
📊

Passing Visuals

Category:
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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