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BOSTON MARATHON 2023

Chris King

Bib: 29954•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:36
Rank: #17968
Start → 5K
8:34/mi
26:36 split
10K· 6.21 mi
52:46
Rank: #17857 (+111)
5K → 10K
8:25/mi
26:10 split
15K· 9.32 mi
1:19:05
Rank: #17746 (+111)
10K → 15K
8:28/mi
26:19 split
20K· 12.43 mi
1:45:41
Rank: #17592 (+154)
15K → 20K
8:34/mi
26:36 split
Half· 13.11 mi
1:51:25
Rank: #17558 (+34)
20K → Half
8:24/mi
5:44 split
25K· 15.53 mi
2:12:10
Rank: #17366 (+192)
Half → 25K
8:33/mi
20:45 split
30K· 18.64 mi
2:39:28
Rank: #17081 (+285)
25K → 30K
8:47/mi
27:18 split
20M
2:51:42
Rank: #17035 (+46)
30K → 20M
9:00/mi
12:14 split
21M
3:02:33
Rank: #17334 (-299)
20M → 21M
10:51/mi
10:51 split
35K· 21.75 mi
3:10:11
Rank: #17608 (-274)
21M → 35K
10:12/mi
7:38 split
23M
3:22:24
Rank: #17767 (-159)
35K → 23M
9:45/mi
12:13 split
24M
3:31:52
Rank: #17873 (-106)
23M → 24M
9:28/mi
9:28 split
40K· 24.85 mi
3:40:48
Rank: #18069 (-196)
24M → 40K
10:27/mi
8:56 split
25.2M
3:44:34
Rank: #18131 (-62)
40K → 25.2M
10:55/mi
3:46 split
Finish· 26.22 mi
3:54:21
Rank: #18235 (-104)
25.2M → Finish
9:36/mi
9:47 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:25
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:02:56
Pace9:23 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4926:368:3426:36
8:34
-
10K
6.21 mi12:14:5952:468:3026:10
8:25
-0:09
15K
9.32 mi12:41:181:19:058:2926:19
8:28
+0:03
20K
12.43 mi13:07:541:45:418:3026:36
8:34
+0:06
Half
13.11 mi13:13:381:51:258:305:44
8:24
-0:10
25K
15.53 mi13:34:232:12:108:3020:45
8:33
+0:09
30K
18.64 mi14:01:412:39:288:3327:18
8:47
+0:14
20M
20.00 mi14:13:552:51:428:3512:14
9:00
+0:13
21M
21.00 mi14:24:463:02:338:4210:51
10:51
+1:51
35K
21.75 mi14:32:243:10:118:457:38
10:12
-0:39
23M
23.00 mi14:44:373:22:248:4812:13
9:45
-0:27
24M
24.00 mi14:54:053:31:528:509:28
9:28
-0:17
40K
24.85 mi15:03:013:40:488:538:56
10:27
+0:59
25.2M
25.20 mi15:06:473:44:348:553:46
10:55
+0:28
Finish
26.22 mi15:16:343:54:218:579:47
9:36
-1:19

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

8:24 /mi

Average Pace

8:57 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:58

34% of race

Time at Steady Pace

1:32:44

40% of race

Time at Slower Pace

1:02:39

27% of race

Average Pace: 8:56 /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 mi11:48:4926:368:3426:36
8:34
#17968
10K
6.21 mi12:14:5952:468:3026:10
8:25
#17857
15K
9.32 mi12:41:181:19:058:2926:19
8:28
#17746
20K
12.43 mi13:07:541:45:418:3026:36
8:34
#17592
Half
13.11 mi13:13:381:51:258:305:44
8:24
#17558
25K
15.53 mi13:34:232:12:108:3020:45
8:33
#17366
30K
18.64 mi14:01:412:39:288:3327:18
8:47
#17081
20M
20.00 mi14:13:552:51:428:3512:14
9:00
#17035
21M
21.00 mi14:24:463:02:338:4210:51
10:51
#17334
35K
21.75 mi14:32:243:10:118:457:38
10:12
#17608
23M
23.00 mi14:44:373:22:248:4812:13
9:45
#17767
24M
24.00 mi14:54:053:31:528:509:28
9:28
#17873
40K
24.85 mi15:03:013:40:488:538:56
10:27
#18069
25.2M
25.20 mi15:06:473:44:348:553:46
10:55
#18131
Finish
26.22 mi15:16:343:54:218:579:47
9:36
#18235
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi17968114131141317599(Top 66%)11308(Top 75%)11308(Top 505%)
10K6.21 mi3.10 mi17857+11111399+1411399+1417716(Top 67%)11379(Top 75%)11379(Top 508%)
15K9.32 mi3.11 mi17746+11111356+4311356+4317599(Top 66%)11308(Top 75%)11308(Top 505%)
20K12.43 mi3.11 mi17592+15411300+5611300+5617239(Top 65%)11153(Top 73%)11153(Top 498%)
Half13.11 mi0.68 mi17558+3411282+1811282+1817135(Top 64%)11144(Top 73%)11144(Top 497%)
25K15.53 mi2.42 mi17366+19211188+9411188+9416536(Top 62%)10775(Top 71%)10775(Top 481%)
30K18.64 mi3.11 mi17081+28511047+14111047+14115972(Top 60%)10474(Top 69%)10474(Top 467%)
20M20.00 mi1.36 mi17035+4611025+2211025+2216547(Top 62%)10636(Top 70%)10636(Top 475%)
21M21.00 mi1.00 mi17334-29911118-9311118-9320482(Top 77%)12273(Top 81%)12273(Top 548%)
35K21.75 mi0.75 mi17608-27411216-9811216-9821771(Top 82%)12828(Top 85%)12828(Top 572%)
23M23.00 mi1.25 mi17767-15911266-5011266-5019270(Top 72%)11680(Top 77%)11680(Top 521%)
24M24.00 mi1.00 mi17873-10611301-3511301-3519091(Top 72%)11572(Top 76%)11572(Top 516%)
40K24.85 mi0.85 mi18069-19611368-6711368-6721076(Top 79%)12392(Top 82%)12392(Top 553%)
25.2M25.20 mi0.35 mi18131-6211393-2511393-2520241(Top 76%)12030(Top 79%)12030(Top 537%)
Finish26.22 mi1.02 mi18235-10411426-3311426-3320457(Top 77%)12160(Top 80%)12160(Top 543%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17599

Males

11308

M40-44

11308

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17716

Males

11379

M40-44

11379

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17599

Males

11308

M40-44

11308

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17239

Males

11153

M40-44

11153

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

17135

Males

11144

M40-44

11144

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16536

Males

10775

M40-44

10775

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

15972

Males

10474

M40-44

10474

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16547

Males

10636

M40-44

10636

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20482

Males

12273

M40-44

12273

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21771

Males

12828

M40-44

12828

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19270

Males

11680

M40-44

11680

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19091

Males

11572

M40-44

11572

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21076

Males

12392

M40-44

12392

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20241

Males

12030

M40-44

12030

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20457

Males

12160

M40-44

12160

Passing Analysis

Category:
Athletes Passed
1744
Passed By
2011
Net Change
-267
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17968
5K → 10K368257+111#17968#17857
10K → 15K249138+111#17857#17746
15K → 20K24995+154#17746#17592
20K → Half5824+34#17592#17558
Half → 25K22533+192#17558#17366
25K → 30K32944+285#17366#17081
30K → 20M10054+46#17081#17035
20M → 21M23322-299#17035#17334
21M → 35K16290-274#17334#17608
35K → 23M48207-159#17608#17767
23M → 24M33139-106#17767#17873
24M → 40K13209-196#17873#18069
40K → 25.2M971-62#18069#18131
25.2M → Finish24128-104#18131#18235
TOTALS17442011-267
📊

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