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BOSTON MARATHON 2023

William Koenig

Bib: 1972•M

OH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:33
Rank: #1403
Start → 5K
19:33 | 6:18/mi
10K· 6.21 mi
38:56
Rank: #1432 (-29)
5K → 10K
19:23 | 6:14/mi
15K· 9.32 mi
58:11
Rank: #1333 (+99)
10K → 15K
19:15 | 6:12/mi
20K· 12.43 mi
1:17:19
Rank: #1205 (+128)
15K → 20K
19:08 | 6:10/mi
Half· 13.11 mi
1:21:31
Rank: #1209 (-4)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:36:38
Rank: #1184 (+25)
Half → 25K
15:07 | 6:14/mi
30K· 18.64 mi
1:56:20
Rank: #1137 (+47)
25K → 30K
19:42 | 6:20/mi
20M
2:04:50
Rank: #1097 (+40)
30K → 20M
8:30 | 6:15/mi
21M
2:11:22
Rank: #1054 (+43)
20M → 21M
6:32 | 6:32/mi
35K· 21.75 mi
2:15:52
Rank: #1032 (+22)
21M → 35K
4:30 | 6:01/mi
23M
2:23:48
Rank: #1005 (+27)
35K → 23M
7:56 | 6:20/mi
24M
2:29:47
Rank: #967 (+38)
23M → 24M
5:59 | 5:59/mi
40K· 24.85 mi
2:35:00
Rank: #927 (+40)
24M → 40K
5:13 | 6:06/mi
25.2M
2:37:16
Rank: #918 (+9)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:43:20
Rank: #884 (+34)
25.2M → Finish
6:04 | 5:57/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:31
Pace6:13 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:49
Pace6:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5719:336:1819:33
6:18
-
10K
6.21 mi10:39:2038:566:1619:23
6:14
-0:04
15K
9.32 mi10:58:3558:116:1519:15
6:12
-0:02
20K
12.43 mi11:17:431:17:196:1319:08
6:10
-0:02
Half
13.11 mi11:21:551:21:316:134:12
6:09
-0:01
25K
15.53 mi11:37:021:36:386:1315:07
6:14
+0:05
30K
18.64 mi11:56:441:56:206:1419:42
6:20
+0:06
20M
20.00 mi12:05:142:04:506:148:30
6:15
-0:05
21M
21.00 mi12:11:462:11:226:156:32
6:32
+0:17
35K
21.75 mi12:16:162:15:526:154:30
6:01
-0:31
23M
23.00 mi12:24:122:23:486:157:56
6:20
+0:19
24M
24.00 mi12:30:112:29:476:145:59
5:59
-0:21
40K
24.85 mi12:35:242:35:006:145:13
6:06
+0:07
25.2M
25.20 mi12:37:402:37:166:142:16
6:34
+0:28
Finish
26.22 mi12:43:442:43:206:146:04
5:57
-0:37

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

5:57 /mi

Average Pace

6:14 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:04

99% of race

Time at Steady Pace

2:16

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:19:5719:336:1819:33
6:18
#1403
10K
6.21 mi10:39:2038:566:1619:23
6:14
#1432
15K
9.32 mi10:58:3558:116:1519:15
6:12
#1333
20K
12.43 mi11:17:431:17:196:1319:08
6:10
#1205
Half
13.11 mi11:21:551:21:316:134:12
6:09
#1209
25K
15.53 mi11:37:021:36:386:1315:07
6:14
#1184
30K
18.64 mi11:56:441:56:206:1419:42
6:20
#1137
20M
20.00 mi12:05:142:04:506:148:30
6:15
#1097
21M
21.00 mi12:11:462:11:226:156:32
6:32
#1054
35K
21.75 mi12:16:162:15:526:154:30
6:01
#1032
23M
23.00 mi12:24:122:23:486:157:56
6:20
#1005
24M
24.00 mi12:30:112:29:476:145:59
5:59
#967
40K
24.85 mi12:35:242:35:006:145:13
6:06
#927
25.2M
25.20 mi12:37:402:37:166:142:16
6:34
#918
Finish
26.22 mi12:43:442:43:206:146:04
5:57
#884
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1403133313331219(Top 5%)1162(Top 8%)1162(Top 22%)
10K6.21 mi3.10 mi1432-291365-321365-321490(Top 6%)1423(Top 9%)1423(Top 27%)
15K9.32 mi3.11 mi1333+991269+961269+961219(Top 5%)1162(Top 8%)1162(Top 22%)
20K12.43 mi3.11 mi1205+1281147+1221147+122927(Top 3%)880(Top 6%)880(Top 17%)
Half13.11 mi0.68 mi1209-41151-41151-41161(Top 4%)1110(Top 7%)1110(Top 21%)
25K15.53 mi2.42 mi1184+251129+221129+221081(Top 4%)1029(Top 7%)1029(Top 19%)
30K18.64 mi3.11 mi1137+471085+441085+441033(Top 4%)982(Top 6%)982(Top 19%)
20M20.00 mi1.36 mi1097+401045+401045+40769(Top 3%)729(Top 5%)729(Top 14%)
21M21.00 mi1.00 mi1054+431003+421003+42720(Top 3%)679(Top 4%)679(Top 13%)
35K21.75 mi0.75 mi1032+22982+21982+21722(Top 3%)682(Top 4%)682(Top 13%)
23M23.00 mi1.25 mi1005+27956+26956+26915(Top 3%)870(Top 6%)870(Top 16%)
24M24.00 mi1.00 mi967+38920+36920+36516(Top 2%)487(Top 3%)487(Top 9%)
40K24.85 mi0.85 mi927+40880+40880+40489(Top 2%)460(Top 3%)460(Top 9%)
25.2M25.20 mi0.35 mi918+9871+9871+9616(Top 2%)583(Top 4%)583(Top 11%)
Finish26.22 mi1.02 mi884+34838+33838+33621(Top 2%)590(Top 4%)590(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1219

Males

1162

M18-39

1162

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1490

Males

1423

M18-39

1423

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1219

Males

1162

M18-39

1162

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

927

Males

880

M18-39

880

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1161

Males

1110

M18-39

1110

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1081

Males

1029

M18-39

1029

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1033

Males

982

M18-39

982

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

769

Males

729

M18-39

729

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

720

Males

679

M18-39

679

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

722

Males

682

M18-39

682

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

915

Males

870

M18-39

870

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

516

Males

487

M18-39

487

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

489

Males

460

M18-39

460

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

616

Males

583

M18-39

583

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

621

Males

590

M18-39

590

Passing Analysis

Category:
Athletes Passed
666
Passed By
147
Net Change
+519
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1403
5K → 10K5887-29#1403#1432
10K → 15K1067+99#1432#1333
15K → 20K1313+128#1333#1205
20K → Half48-4#1205#1209
Half → 25K3611+25#1209#1184
25K → 30K6316+47#1184#1137
30K → 20M422+40#1137#1097
20M → 21M485+43#1097#1054
21M → 35K231+22#1054#1032
35K → 23M303+27#1032#1005
23M → 24M391+38#1005#967
24M → 40K411+40#967#927
40K → 25.2M101+9#927#918
25.2M → Finish351+34#918#884
TOTALS666147+519
📊

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