John Simpson

Bib: 31541M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:50
Rank: #28043
Start5K
35:50 | 11:32/mi
10K· 6.21 mi
1:13:25
Rank: #28042 (+1)
5K10K
37:35 | 12:06/mi
15K· 9.32 mi
1:47:50
Rank: #27703 (+339)
10K15K
34:25 | 11:05/mi
20K· 12.43 mi
2:24:32
Rank: #27508 (+195)
15K20K
36:42 | 11:49/mi
Half· 13.11 mi
2:32:09
Rank: #27471 (+37)
20KHalf
7:37 | 11:10/mi
25K· 15.53 mi
3:03:52
Rank: #27458 (+13)
Half25K
31:43 | 13:05/mi
30K· 18.64 mi
3:40:23
Rank: #27116 (+342)
25K30K
36:31 | 11:45/mi
20M
3:58:32
Rank: #27111 (+5)
30K20M
18:09 | 13:21/mi
21M
4:11:18
Rank: #27037 (+74)
20M21M
12:46 | 12:46/mi
35K· 21.75 mi
4:20:00
Rank: #27008 (+29)
21M35K
8:42 | 11:38/mi
23M
4:35:14
Rank: #26944 (+64)
35K23M
15:14 | 12:10/mi
24M
4:47:36
Rank: #26911 (+33)
23M24M
12:22 | 12:22/mi
40K· 24.85 mi
4:58:11
Rank: #26864 (+47)
24M40K
10:35 | 12:22/mi
25.2M
5:03:10
Rank: #26867 (-3)
40K25.2M
4:59 | 14:27/mi
Finish· 26.22 mi
5:15:26
Rank: #26872 (-5)
25.2MFinish
12:16 | 12:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:09
Pace11:36 /mi
2nd Half
Distance13.11 mi
Time2:43:17
Pace12:27 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0835:5011:3235:50
11:32
-
10K
6.21 mi12:34:431:13:2511:4937:35
12:06
+0:34
15K
9.32 mi13:09:081:47:5011:3434:25
11:05
-1:01
20K
12.43 mi13:45:502:24:3211:3836:42
11:49
+0:44
Half
13.11 mi13:53:272:32:0911:367:37
11:10
-0:39
25K
15.53 mi14:25:103:03:5211:5031:43
13:05
+1:55
30K
18.64 mi15:01:413:40:2311:4936:31
11:45
-1:20
20M
20.00 mi15:19:503:58:3211:5618:09
13:21
+1:36
21M
21.00 mi15:32:364:11:1811:5812:46
12:46
-0:35
35K
21.75 mi15:41:184:20:0011:578:42
11:38
-1:08
23M
23.00 mi15:56:324:35:1411:5815:14
12:10
+0:32
24M
24.00 mi16:08:544:47:3611:5912:22
12:22
+0:12
40K
24.85 mi16:19:294:58:1112:0010:35
12:22
0:00
25.2M
25.20 mi16:24:285:03:1012:024:59
14:27
+2:05
Finish
26.22 mi16:36:445:15:2612:0212:16
12:02
-2:25

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

11:05 /mi

Average Pace

12:02 /mi

Slowest Pace

14:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:34

27% of race

Time at Steady Pace

2:41:15

51% of race

Time at Slower Pace

1:07:37

21% of race

Average Pace: 12:02 /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 mi11:57:0835:5011:3235:50
11:32
#28043
10K
6.21 mi12:34:431:13:2511:4937:35
12:06
#28042
15K
9.32 mi13:09:081:47:5011:3434:25
11:05
#27703
20K
12.43 mi13:45:502:24:3211:3836:42
11:49
#27508
Half
13.11 mi13:53:272:32:0911:367:37
11:10
#27471
25K
15.53 mi14:25:103:03:5211:5031:43
13:05
#27458
30K
18.64 mi15:01:413:40:2311:4936:31
11:45
#27116
20M
20.00 mi15:19:503:58:3211:5618:09
13:21
#27111
21M
21.00 mi15:32:364:11:1811:5812:46
12:46
#27037
35K
21.75 mi15:41:184:20:0011:578:42
11:38
#27008
23M
23.00 mi15:56:324:35:1411:5815:14
12:10
#26944
24M
24.00 mi16:08:544:47:3611:5912:22
12:22
#26911
40K
24.85 mi16:19:294:58:1112:0010:35
12:22
#26864
25.2M
25.20 mi16:24:285:03:1012:024:59
14:27
#26867
Finish
26.22 mi16:36:445:15:2612:0212:16
12:02
#26872
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi28043159861598626769(Top 94%)15466(Top 96%)15466(Top 648%)
10K6.21 mi3.10 mi28042+115977+915977+927992(Top 99%)15954(Top 99%)15954(Top 669%)
15K9.32 mi3.11 mi27703+33915849+12815849+12826769(Top 94%)15466(Top 96%)15466(Top 648%)
20K12.43 mi3.11 mi27508+19515771+7815771+7826946(Top 95%)15517(Top 96%)15517(Top 650%)
Half13.11 mi0.68 mi27471+3715757+1415757+1426734(Top 94%)15408(Top 96%)15408(Top 646%)
25K15.53 mi2.42 mi27458+1315733+2415733+2427347(Top 96%)15658(Top 97%)15658(Top 656%)
30K18.64 mi3.11 mi27116+34215583+15015583+15025231(Top 89%)14645(Top 91%)14645(Top 614%)
20M20.00 mi1.36 mi27111+515570+1315570+1326768(Top 94%)15262(Top 95%)15262(Top 640%)
21M21.00 mi1.00 mi27037+7415532+3815532+3824755(Top 87%)14253(Top 89%)14253(Top 597%)
35K21.75 mi0.75 mi27008+2915519+1315519+1325314(Top 89%)14503(Top 90%)14503(Top 608%)
23M23.00 mi1.25 mi26944+6415489+3015489+3025355(Top 89%)14513(Top 90%)14513(Top 608%)
24M24.00 mi1.00 mi26911+3315460+2915460+2926163(Top 92%)14894(Top 92%)14894(Top 624%)
40K24.85 mi0.85 mi26864+4715432+2815432+2825469(Top 90%)14508(Top 90%)14508(Top 608%)
25.2M25.20 mi0.35 mi26867-315431+115431+126713(Top 94%)15123(Top 94%)15123(Top 634%)
Finish26.22 mi1.02 mi26872-515426+515426+526838(Top 94%)15220(Top 95%)15220(Top 638%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26769

Males

15466

M45-49

15466

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

27992

Males

15954

M45-49

15954

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26769

Males

15466

M45-49

15466

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

26946

Males

15517

M45-49

15517

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26734

Males

15408

M45-49

15408

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

27347

Males

15658

M45-49

15658

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25231

Males

14645

M45-49

14645

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

26768

Males

15262

M45-49

15262

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24755

Males

14253

M45-49

14253

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

25314

Males

14503

M45-49

14503

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25355

Males

14513

M45-49

14513

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

26163

Males

14894

M45-49

14894

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25469

Males

14508

M45-49

14508

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26713

Males

15123

M45-49

15123

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

26838

Males

15220

M45-49

15220

Passing Analysis

Category:
Athletes Passed
1417
Passed By
246
Net Change
+1171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28043
5K10K7271+1#28043#28042
10K15K3401+339#28042#27703
15K20K20510+195#27703#27508
20KHalf381+37#27508#27471
Half25K7158+13#27471#27458
25K30K3442+342#27458#27116
30K20M3631+5#27116#27111
20M21M795+74#27111#27037
21M35K345+29#27037#27008
35K23M728+64#27008#26944
23M24M4714+33#26944#26911
24M40K503+47#26911#26864
40K25.2M69-3#26864#26867
25.2MFinish2328-5#26867#26872
TOTALS1417246+1171
📊

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