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BOSTON MARATHON 2023

Jeffrey King

Bib: 4720•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M40-44)
#0 / 2241
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:51
Rank: #3764
Start → 5K
20:51 | 6:43/mi
10K· 6.21 mi
41:35
Rank: #3890 (-126)
5K → 10K
20:44 | 6:40/mi
15K· 9.32 mi
1:02:18
Rank: #3860 (+30)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:23:05
Rank: #3726 (+134)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:27:36
Rank: #3719 (+7)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:46
Rank: #3594 (+125)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:04:59
Rank: #3476 (+118)
25K → 30K
21:13 | 6:50/mi
20M
2:14:56
Rank: #3668 (-192)
30K → 20M
9:57 | 7:20/mi
21M
2:22:16
Rank: #3655 (+13)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:27:19
Rank: #3650 (+5)
21M → 35K
5:03 | 6:45/mi
23M
2:35:59
Rank: #3580 (+70)
35K → 23M
8:40 | 6:55/mi
24M
2:42:43
Rank: #3553 (+27)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:48:38
Rank: #3519 (+34)
24M → 40K
5:55 | 6:55/mi
25.2M
2:51:09
Rank: #3497 (+22)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:57:57
Rank: #3471 (+26)
25.2M → Finish
6:48 | 6:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:36
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:30:21
Pace6:54 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0620:516:4320:51
6:43
-
10K
6.21 mi10:43:5041:356:4220:44
6:40
-0:03
15K
9.32 mi11:04:331:02:186:4120:43
6:40
0:00
20K
12.43 mi11:25:201:23:056:4120:47
6:41
+0:01
Half
13.11 mi11:29:511:27:366:414:31
6:37
-0:04
25K
15.53 mi11:46:011:43:466:4116:10
6:40
+0:03
30K
18.64 mi12:07:142:04:596:4221:13
6:50
+0:10
20M
20.00 mi12:17:112:14:566:459:57
7:20
+0:30
21M
21.00 mi12:24:312:22:166:467:20
7:20
0:00
35K
21.75 mi12:29:342:27:196:465:03
6:45
-0:35
23M
23.00 mi12:38:142:35:596:478:40
6:55
+0:10
24M
24.00 mi12:44:582:42:436:476:44
6:44
-0:11
40K
24.85 mi12:50:532:48:386:475:55
6:55
+0:11
25.2M
25.20 mi12:53:242:51:096:482:31
7:18
+0:23
Finish
26.22 mi13:00:122:57:576:486:48
6:40
-0:38

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

6:37 /mi

Average Pace

6:48 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:09

89% of race

Time at Steady Pace

19:48

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:23:0620:516:4320:51
6:43
#3764
10K
6.21 mi10:43:5041:356:4220:44
6:40
#3890
15K
9.32 mi11:04:331:02:186:4120:43
6:40
#3860
20K
12.43 mi11:25:201:23:056:4120:47
6:41
#3726
Half
13.11 mi11:29:511:27:366:414:31
6:37
#3719
25K
15.53 mi11:46:011:43:466:4116:10
6:40
#3594
30K
18.64 mi12:07:142:04:596:4221:13
6:50
#3476
20M
20.00 mi12:17:112:14:566:459:57
7:20
#3668
21M
21.00 mi12:24:312:22:166:467:20
7:20
#3655
35K
21.75 mi12:29:342:27:196:465:03
6:45
#3650
23M
23.00 mi12:38:142:35:596:478:40
6:55
#3580
24M
24.00 mi12:44:582:42:436:476:44
6:44
#3553
40K
24.85 mi12:50:532:48:386:475:55
6:55
#3519
25.2M
25.20 mi12:53:242:51:096:482:31
7:18
#3497
Finish
26.22 mi13:00:122:57:576:486:48
6:40
#3471
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3764353835383826(Top 14%)3597(Top 24%)3597(Top 161%)
10K6.21 mi3.10 mi3890-1263662-1243662-1244076(Top 15%)3827(Top 25%)3827(Top 171%)
15K9.32 mi3.11 mi3860+303638+243638+243826(Top 14%)3597(Top 24%)3597(Top 161%)
20K12.43 mi3.11 mi3726+1343524+1143524+1143489(Top 13%)3303(Top 22%)3303(Top 147%)
Half13.11 mi0.68 mi3719+73516+83516+83581(Top 13%)3389(Top 22%)3389(Top 151%)
25K15.53 mi2.42 mi3594+1253401+1153401+1153130(Top 12%)2985(Top 20%)2985(Top 133%)
30K18.64 mi3.11 mi3476+1183291+1103291+1103185(Top 12%)3001(Top 20%)3001(Top 134%)
20M20.00 mi1.36 mi3668-1923464-1733464-1735799(Top 22%)5137(Top 34%)5137(Top 229%)
21M21.00 mi1.00 mi3655+133456+83456+83739(Top 14%)3462(Top 23%)3462(Top 154%)
35K21.75 mi0.75 mi3650+53446+103446+103844(Top 14%)3538(Top 23%)3538(Top 158%)
23M23.00 mi1.25 mi3580+703381+653381+653363(Top 13%)3116(Top 21%)3116(Top 139%)
24M24.00 mi1.00 mi3553+273358+233358+233283(Top 12%)3038(Top 20%)3038(Top 136%)
40K24.85 mi0.85 mi3519+343322+363322+363418(Top 13%)3119(Top 21%)3119(Top 139%)
25.2M25.20 mi0.35 mi3497+223301+213301+212936(Top 11%)2691(Top 18%)2691(Top 120%)
Finish26.22 mi1.02 mi3471+263271+303271+303343(Top 13%)3001(Top 20%)3001(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3826

Males

3597

M40-44

3597

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4076

Males

3827

M40-44

3827

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3826

Males

3597

M40-44

3597

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3489

Males

3303

M40-44

3303

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3581

Males

3389

M40-44

3389

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3130

Males

2985

M40-44

2985

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3185

Males

3001

M40-44

3001

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5799

Males

5137

M40-44

5137

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3739

Males

3462

M40-44

3462

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3844

Males

3538

M40-44

3538

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3363

Males

3116

M40-44

3116

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3283

Males

3038

M40-44

3038

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3418

Males

3119

M40-44

3119

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2936

Males

2691

M40-44

2691

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3343

Males

3001

M40-44

3001

Passing Analysis

Category:
Athletes Passed
1208
Passed By
915
Net Change
+293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3764
5K → 10K147273-126#3764#3890
10K → 15K132102+30#3890#3860
15K → 20K17844+134#3860#3726
20K → Half2316+7#3726#3719
Half → 25K14318+125#3719#3594
25K → 30K17254+118#3594#3476
30K → 20M23215-192#3476#3668
20M → 21M6047+13#3668#3655
21M → 35K3328+5#3655#3650
35K → 23M9626+70#3650#3580
23M → 24M5629+27#3580#3553
24M → 40K5319+34#3553#3519
40K → 25.2M297+22#3519#3497
25.2M → Finish6337+26#3497#3471
TOTALS1208915+293
📊

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