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BOSTON MARATHON 2023

Michael Jackson

Bib: 9961•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:45/mi
24:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
46:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:10:28
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:39:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:57:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:22:51
↑ 181↓ 1480.2%
20M
8:09/mi
2:33:56
↑ 64↓ 500.2%
21M
8:42/mi
2:42:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:48:01
↑ 17↓ 861.7%
23M
7:35/mi
2:57:31
↑ 23↓ 630.6%
24M
7:31/mi
3:05:02
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:11:34
↓ 200.3%
25.2M
7:53/mi
3:14:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:32/mi
3:21:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:02
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:42:56
Pace7:51 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4624:067:4524:06
7:45
-
10K
6.21 mi11:13:3846:587:3422:52
7:22
-0:23
15K
9.32 mi11:37:081:10:287:3423:30
7:34
+0:12
20K
12.43 mi12:00:451:34:057:3423:37
7:36
+0:02
Half
13.11 mi12:05:421:39:027:334:57
7:15
-0:21
25K
15.53 mi12:24:241:57:447:3518:42
7:43
+0:28
30K
18.64 mi12:49:312:22:517:4025:07
8:05
+0:22
20M
20.00 mi13:00:362:33:567:4211:05
8:09
+0:04
21M
21.00 mi13:09:182:42:387:458:42
8:42
+0:33
35K
21.75 mi13:14:412:48:017:445:23
7:12
-1:30
23M
23.00 mi13:24:112:57:317:439:30
7:35
+0:23
24M
24.00 mi13:31:423:05:027:437:31
7:31
-0:04
40K
24.85 mi13:38:143:11:347:426:32
7:38
+0:07
25.2M
25.20 mi13:40:573:14:177:432:43
7:53
+0:15
Finish
26.22 mi13:48:383:21:587:437:41
7:32
-0:21

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

7:12 /mi

Average Pace

7:43 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:12

16% of race

Time at Steady Pace

2:01:09

60% of race

Time at Slower Pace

47:37

24% of race

Average Pace: 7:42 /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 mi10:50:4624:067:4524:06
7:45
#11961
10K
6.21 mi11:13:3846:587:3422:52
7:22
#10542
15K
9.32 mi11:37:081:10:287:3423:30
7:34
#10585
20K
12.43 mi12:00:451:34:057:3423:37
7:36
#10437
Half
13.11 mi12:05:421:39:027:334:57
7:15
#10314
25K
15.53 mi12:24:241:57:447:3518:42
7:43
#10299
30K
18.64 mi12:49:312:22:517:4025:07
8:05
#10463
20M
20.00 mi13:00:362:33:567:4211:05
8:09
#10524
21M
21.00 mi13:09:182:42:387:458:42
8:42
#10573
35K
21.75 mi13:14:412:48:017:445:23
7:12
#10389
23M
23.00 mi13:24:112:57:317:439:30
7:35
#10158
24M
24.00 mi13:31:423:05:027:437:31
7:31
#10020
40K
24.85 mi13:38:143:11:347:426:32
7:38
#9892
25.2M
25.20 mi13:40:573:14:177:432:43
7:53
#9802
Finish
26.22 mi13:48:383:21:587:437:41
7:32
#9714
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi119619093909310686(Top 40%)8494(Top 56%)8494(Top 379%)
10K6.21 mi3.10 mi10542+14198436+6578436+6579296(Top 35%)7743(Top 51%)7743(Top 346%)
15K9.32 mi3.11 mi10585-438458-228458-2210686(Top 40%)8494(Top 56%)8494(Top 379%)
20K12.43 mi3.11 mi10437+1488386+728386+7210092(Top 38%)8118(Top 53%)8118(Top 362%)
Half13.11 mi0.68 mi10314+1238317+698317+698253(Top 31%)7067(Top 47%)7067(Top 315%)
25K15.53 mi2.42 mi10299+158289+288289+2810370(Top 39%)8185(Top 54%)8185(Top 365%)
30K18.64 mi3.11 mi10463-1648317-288317-2811535(Top 43%)8599(Top 57%)8599(Top 384%)
20M20.00 mi1.36 mi10524-618326-98326-911363(Top 43%)8425(Top 56%)8425(Top 376%)
21M21.00 mi1.00 mi10573-498321+58321+511624(Top 44%)8391(Top 55%)8391(Top 374%)
35K21.75 mi0.75 mi10389+1848212+1098212+1096517(Top 24%)5597(Top 37%)5597(Top 250%)
23M23.00 mi1.25 mi10158+2318067+1458067+1457002(Top 26%)5830(Top 38%)5830(Top 260%)
24M24.00 mi1.00 mi10020+1387961+1067961+1067813(Top 29%)6208(Top 41%)6208(Top 277%)
40K24.85 mi0.85 mi9892+1287867+947867+947567(Top 28%)5979(Top 39%)5979(Top 267%)
25.2M25.20 mi0.35 mi9802+907807+607807+605837(Top 22%)4857(Top 32%)4857(Top 217%)
Finish26.22 mi1.02 mi9714+887729+787729+788825(Top 33%)6653(Top 44%)6653(Top 297%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10686

Males

8494

M40-44

8494

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9296

Males

7743

M40-44

7743

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10686

Males

8494

M40-44

8494

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10092

Males

8118

M40-44

8118

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8253

Males

7067

M40-44

7067

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10370

Males

8185

M40-44

8185

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11535

Males

8599

M40-44

8599

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11363

Males

8425

M40-44

8425

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11624

Males

8391

M40-44

8391

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6517

Males

5597

M40-44

5597

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7002

Males

5830

M40-44

5830

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7813

Males

6208

M40-44

6208

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7567

Males

5979

M40-44

5979

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5837

Males

4857

M40-44

4857

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8825

Males

6653

M40-44

6653

Passing Analysis

Category:
Athletes Passed
3274*
Passed By
1027
Net Change
+2247
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11961
5K → 10K1442*23+1419#11961#10542
10K → 15K173216-43#10542#10585
15K → 20K22779+148#10585#10437
20K → Half1252+123#10437#10314
Half → 25K147132+15#10314#10299
25K → 30K119283-164#10299#10463
30K → 20M58*119-61#10463#10524
20M → 21M62111-49#10524#10573
21M → 35K1862+184#10573#10389
35K → 23M2354+231#10389#10158
23M → 24M15113+138#10158#10020
24M → 40K145*17+128#10020#9892
40K → 25.2M900+90#9892#9802
25.2M → Finish114*26+88#9802#9714
TOTALS3274*1027+2247

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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