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BOSTON MARATHON 2023

Stephen Johnson

Bib: 27259•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:44
Rank: #20095
Start → 5K
27:44 | 8:56/mi
10K· 6.21 mi
54:25
Rank: #19444 (+651)
5K → 10K
26:41 | 8:35/mi
15K· 9.32 mi
1:21:02
Rank: #19009 (+435)
10K → 15K
26:37 | 8:34/mi
20K· 12.43 mi
1:47:33
Rank: #18527 (+482)
15K → 20K
26:31 | 8:32/mi
Half· 13.11 mi
1:53:17
Rank: #18455 (+72)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:14:06
Rank: #18157 (+298)
Half → 25K
20:49 | 8:35/mi
30K· 18.64 mi
2:41:13
Rank: #17649 (+508)
25K → 30K
27:07 | 8:44/mi
20M
2:52:45
Rank: #17352 (+297)
30K → 20M
11:32 | 8:29/mi
21M
3:01:37
Rank: #17084 (+268)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
3:07:39
Rank: #16924 (+160)
21M → 35K
6:02 | 8:04/mi
23M
3:18:18
Rank: #16712 (+212)
35K → 23M
10:39 | 8:30/mi
24M
3:26:34
Rank: #16558 (+154)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:34:00
Rank: #16454 (+104)
24M → 40K
7:26 | 8:42/mi
25.2M
3:37:21
Rank: #16433 (+21)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:45:29
Rank: #16276 (+157)
25.2M → Finish
8:08 | 7:59/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:53:17
Pace8:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:52:12
Pace8:34 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5227:448:5627:44
8:56
-
10K
6.21 mi12:11:3354:258:4526:41
8:35
-0:21
15K
9.32 mi12:38:101:21:028:4226:37
8:34
-0:01
20K
12.43 mi13:04:411:47:338:3926:31
8:32
-0:02
Half
13.11 mi13:10:251:53:178:385:44
8:24
-0:08
25K
15.53 mi13:31:142:14:068:3820:49
8:35
+0:11
30K
18.64 mi13:58:212:41:138:3927:07
8:44
+0:09
20M
20.00 mi14:09:532:52:458:3811:32
8:29
-0:15
21M
21.00 mi14:18:453:01:378:398:52
8:52
+0:23
35K
21.75 mi14:24:473:07:398:386:02
8:04
-0:48
23M
23.00 mi14:35:263:18:188:3710:39
8:30
+0:26
24M
24.00 mi14:43:423:26:348:368:16
8:16
-0:14
40K
24.85 mi14:51:083:34:008:377:26
8:42
+0:26
25.2M
25.20 mi14:54:293:37:218:383:21
9:43
+1:01
Finish
26.22 mi15:02:373:45:298:368:08
7:59
-1:44

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

7:59 /mi

Average Pace

8:36 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:26

10% of race

Time at Steady Pace

2:43:06

72% of race

Time at Slower Pace

39:57

18% of race

Average Pace: 8:36 /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 mi11:44:5227:448:5627:44
8:56
#20095
10K
6.21 mi12:11:3354:258:4526:41
8:35
#19444
15K
9.32 mi12:38:101:21:028:4226:37
8:34
#19009
20K
12.43 mi13:04:411:47:338:3926:31
8:32
#18527
Half
13.11 mi13:10:251:53:178:385:44
8:24
#18455
25K
15.53 mi13:31:142:14:068:3820:49
8:35
#18157
30K
18.64 mi13:58:212:41:138:3927:07
8:44
#17649
20M
20.00 mi14:09:532:52:458:3811:32
8:29
#17352
21M
21.00 mi14:18:453:01:378:398:52
8:52
#17084
35K
21.75 mi14:24:473:07:398:386:02
8:04
#16924
23M
23.00 mi14:35:263:18:188:3710:39
8:30
#16712
24M
24.00 mi14:43:423:26:348:368:16
8:16
#16558
40K
24.85 mi14:51:083:34:008:377:26
8:42
#16454
25.2M
25.20 mi14:54:293:37:218:383:21
9:43
#16433
Finish
26.22 mi15:02:373:45:298:368:08
7:59
#16276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20095121981219818231(Top 68%)11574(Top 76%)11574(Top 219%)
10K6.21 mi3.10 mi19444+65111998+20011998+20018783(Top 71%)11810(Top 78%)11810(Top 223%)
15K9.32 mi3.11 mi19009+43511849+14911849+14918231(Top 68%)11574(Top 76%)11574(Top 219%)
20K12.43 mi3.11 mi18527+48211687+16211687+16217070(Top 64%)11083(Top 73%)11083(Top 210%)
Half13.11 mi0.68 mi18455+7211655+3211655+3217105(Top 64%)11114(Top 73%)11114(Top 210%)
25K15.53 mi2.42 mi18157+29811510+14511510+14516721(Top 63%)10851(Top 72%)10851(Top 205%)
30K18.64 mi3.11 mi17649+50811283+22711283+22715655(Top 59%)10334(Top 68%)10334(Top 196%)
20M20.00 mi1.36 mi17352+29711142+14111142+14113550(Top 51%)9392(Top 62%)9392(Top 178%)
21M21.00 mi1.00 mi17084+26811024+11811024+11812647(Top 48%)8885(Top 59%)8885(Top 168%)
35K21.75 mi0.75 mi16924+16010958+6610958+6612570(Top 47%)8821(Top 58%)8821(Top 167%)
23M23.00 mi1.25 mi16712+21210838+12010838+12013267(Top 50%)9038(Top 60%)9038(Top 171%)
24M24.00 mi1.00 mi16558+15410755+8310755+8313049(Top 49%)8884(Top 59%)8884(Top 168%)
40K24.85 mi0.85 mi16454+10410686+6910686+6914453(Top 54%)9438(Top 62%)9438(Top 179%)
25.2M25.20 mi0.35 mi16433+2110671+1510671+1516127(Top 61%)10171(Top 67%)10171(Top 192%)
Finish26.22 mi1.02 mi16276+15710605+6610605+6611987(Top 45%)8285(Top 55%)8285(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18231

Males

11574

M18-39

11574

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18783

Males

11810

M18-39

11810

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18231

Males

11574

M18-39

11574

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17070

Males

11083

M18-39

11083

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

17105

Males

11114

M18-39

11114

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16721

Males

10851

M18-39

10851

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15655

Males

10334

M18-39

10334

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13550

Males

9392

M18-39

9392

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12647

Males

8885

M18-39

8885

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12570

Males

8821

M18-39

8821

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13267

Males

9038

M18-39

9038

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13049

Males

8884

M18-39

8884

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14453

Males

9438

M18-39

9438

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16127

Males

10171

M18-39

10171

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11987

Males

8285

M18-39

8285

Passing Analysis

Category:
Athletes Passed
4088
Passed By
269
Net Change
+3819
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20095
5K → 10K762111+651#20095#19444
10K → 15K48146+435#19444#19009
15K → 20K49715+482#19009#18527
20K → Half797+72#18527#18455
Half → 25K31113+298#18455#18157
25K → 30K51911+508#18157#17649
30K → 20M2992+297#17649#17352
20M → 21M2713+268#17352#17084
21M → 35K1600+160#17084#16924
35K → 23M22311+212#16924#16712
23M → 24M1617+154#16712#16558
24M → 40K12319+104#16558#16454
40K → 25.2M3918+21#16454#16433
25.2M → Finish1636+157#16433#16276
TOTALS4088269+3819
📊

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