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BOSTON MARATHON 2023

William Cooper

Bib: 2952•M

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:43
Rank: #1608
Start → 5K
19:43 | 6:21/mi
10K· 6.21 mi
39:12
Rank: #1603 (+5)
5K → 10K
19:29 | 6:16/mi
15K· 9.32 mi
58:50
Rank: #1635 (-32)
10K → 15K
19:38 | 6:19/mi
20K· 12.43 mi
1:18:33
Rank: #1617 (+18)
15K → 20K
19:43 | 6:21/mi
Half· 13.11 mi
1:22:48
Rank: #1604 (+13)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:38:02
Rank: #1539 (+65)
Half → 25K
15:14 | 6:17/mi
30K· 18.64 mi
1:58:04
Rank: #1473 (+66)
25K → 30K
20:02 | 6:27/mi
20M
2:06:53
Rank: #1461 (+12)
30K → 20M
8:49 | 6:29/mi
21M
2:13:40
Rank: #1436 (+25)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:18:23
Rank: #1432 (+4)
21M → 35K
4:43 | 6:18/mi
23M
2:26:33
Rank: #1419 (+13)
35K → 23M
8:10 | 6:31/mi
24M
2:32:56
Rank: #1406 (+13)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:38:32
Rank: #1394 (+12)
24M → 40K
5:36 | 6:33/mi
25.2M
2:40:54
Rank: #1394
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:47:26
Rank: #1398 (-4)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:48
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:24:38
Pace6:27 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1719:436:2119:43
6:21
-
10K
6.21 mi10:39:4639:126:1919:29
6:16
-0:05
15K
9.32 mi10:59:2458:506:1919:38
6:19
+0:03
20K
12.43 mi11:19:071:18:336:1919:43
6:21
+0:02
Half
13.11 mi11:23:221:22:486:194:15
6:14
-0:07
25K
15.53 mi11:38:361:38:026:1915:14
6:17
+0:03
30K
18.64 mi11:58:381:58:046:2020:02
6:27
+0:10
20M
20.00 mi12:07:272:06:536:218:49
6:29
+0:02
21M
21.00 mi12:14:142:13:406:226:47
6:47
+0:18
35K
21.75 mi12:18:572:18:236:224:43
6:18
-0:29
23M
23.00 mi12:27:072:26:336:228:10
6:31
+0:13
24M
24.00 mi12:33:302:32:566:226:23
6:23
-0:08
40K
24.85 mi12:39:062:38:326:235:36
6:33
+0:10
25.2M
25.20 mi12:41:282:40:546:232:22
6:52
+0:19
Finish
26.22 mi12:48:002:47:266:236:32
6:25
-0:27

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

6:14 /mi

Average Pace

6:23 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:04

99% of race

Time at Steady Pace

2:22

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /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 mi10:20:1719:436:2119:43
6:21
#1608
10K
6.21 mi10:39:4639:126:1919:29
6:16
#1603
15K
9.32 mi10:59:2458:506:1919:38
6:19
#1635
20K
12.43 mi11:19:071:18:336:1919:43
6:21
#1617
Half
13.11 mi11:23:221:22:486:194:15
6:14
#1604
25K
15.53 mi11:38:361:38:026:1915:14
6:17
#1539
30K
18.64 mi11:58:381:58:046:2020:02
6:27
#1473
20M
20.00 mi12:07:272:06:536:218:49
6:29
#1461
21M
21.00 mi12:14:142:13:406:226:47
6:47
#1436
35K
21.75 mi12:18:572:18:236:224:43
6:18
#1432
23M
23.00 mi12:27:072:26:336:228:10
6:31
#1419
24M
24.00 mi12:33:302:32:566:226:23
6:23
#1406
40K
24.85 mi12:39:062:38:326:235:36
6:33
#1394
25.2M
25.20 mi12:41:282:40:546:232:22
6:52
#1394
Finish
26.22 mi12:48:002:47:266:236:32
6:25
#1398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1608153215321730(Top 6%)1656(Top 11%)1656(Top 31%)
10K6.21 mi3.10 mi1603+51530+21530+21633(Top 6%)1559(Top 10%)1559(Top 29%)
15K9.32 mi3.11 mi1635-321562-321562-321730(Top 6%)1656(Top 11%)1656(Top 31%)
20K12.43 mi3.11 mi1617+181546+161546+161587(Top 6%)1517(Top 10%)1517(Top 29%)
Half13.11 mi0.68 mi1604+131533+131533+131486(Top 6%)1422(Top 9%)1422(Top 27%)
25K15.53 mi2.42 mi1539+651471+621471+621277(Top 5%)1220(Top 8%)1220(Top 23%)
30K18.64 mi3.11 mi1473+661408+631408+631368(Top 5%)1310(Top 9%)1310(Top 25%)
20M20.00 mi1.36 mi1461+121396+121396+121396(Top 5%)1331(Top 9%)1331(Top 25%)
21M21.00 mi1.00 mi1436+251372+241372+241354(Top 5%)1291(Top 9%)1291(Top 24%)
35K21.75 mi0.75 mi1432+41367+51367+51576(Top 6%)1496(Top 10%)1496(Top 28%)
23M23.00 mi1.25 mi1419+131354+131354+131492(Top 6%)1417(Top 9%)1417(Top 27%)
24M24.00 mi1.00 mi1406+131341+131341+131607(Top 6%)1520(Top 10%)1520(Top 29%)
40K24.85 mi0.85 mi1394+121329+121329+121714(Top 6%)1612(Top 11%)1612(Top 31%)
25.2M25.20 mi0.35 mi1394132913291317(Top 5%)1247(Top 8%)1247(Top 24%)
Finish26.22 mi1.02 mi1398-41332-31332-32047(Top 8%)1902(Top 13%)1902(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1730

Males

1656

M18-39

1656

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1633

Males

1559

M18-39

1559

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1730

Males

1656

M18-39

1656

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1587

Males

1517

M18-39

1517

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1486

Males

1422

M18-39

1422

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1277

Males

1220

M18-39

1220

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1368

Males

1310

M18-39

1310

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1396

Males

1331

M18-39

1331

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1354

Males

1291

M18-39

1291

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1576

Males

1496

M18-39

1496

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1492

Males

1417

M18-39

1417

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1607

Males

1520

M18-39

1520

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1714

Males

1612

M18-39

1612

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1317

Males

1247

M18-39

1247

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2047

Males

1902

M18-39

1902

Passing Analysis

Category:
Athletes Passed
564
Passed By
354
Net Change
+210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1608
5K → 10K8479+5#1608#1603
10K → 15K4779-32#1603#1635
15K → 20K5739+18#1635#1617
20K → Half196+13#1617#1604
Half → 25K738+65#1604#1539
25K → 30K8519+66#1539#1473
30K → 20M2816+12#1473#1461
20M → 21M3611+25#1461#1436
21M → 35K1814+4#1436#1432
35K → 23M3118+13#1432#1419
23M → 24M2613+13#1419#1406
24M → 40K2614+12#1406#1394
40K → 25.2M880#1394#1394
25.2M → Finish2630-4#1394#1398
TOTALS564354+210
📊

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