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BOSTON MARATHON 2023

Brent Williams

Bib: 1640•M

TX

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:16
Rank: #1131
Start → 5K
19:16 | 6:12/mi
10K· 6.21 mi
38:36
Rank: #1230 (-99)
5K → 10K
19:20 | 6:13/mi
15K· 9.32 mi
58:00
Rank: #1264 (-34)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:17:26
Rank: #1237 (+27)
15K → 20K
19:26 | 6:15/mi
Half· 13.11 mi
1:21:34
Rank: #1219 (+18)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:36:21
Rank: #1130 (+89)
Half → 25K
14:47 | 6:06/mi
30K· 18.64 mi
1:55:17
Rank: #975 (+155)
25K → 30K
18:56 | 6:06/mi
20M
2:03:31
Rank: #918 (+57)
30K → 20M
8:14 | 6:04/mi
21M
2:09:47
Rank: #862 (+56)
20M → 21M
6:16 | 6:16/mi
35K· 21.75 mi
2:14:06
Rank: #831 (+31)
21M → 35K
4:19 | 5:46/mi
23M
2:21:29
Rank: #769 (+62)
35K → 23M
7:23 | 5:54/mi
24M
2:27:19
Rank: #742 (+27)
23M → 24M
5:50 | 5:50/mi
40K· 24.85 mi
2:32:28
Rank: #716 (+26)
24M → 40K
5:09 | 6:01/mi
25.2M
2:34:43
Rank: #701 (+15)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:40:45
Rank: #686 (+15)
25.2M → Finish
6:02 | 5:55/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:21:34
Pace6:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:19:11
Pace6:02 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4519:166:1219:16
6:12
-
10K
6.21 mi10:39:0538:366:1319:20
6:13
+0:01
15K
9.32 mi10:58:2958:006:1319:24
6:15
+0:02
20K
12.43 mi11:17:551:17:266:1419:26
6:15
0:00
Half
13.11 mi11:22:031:21:346:134:08
6:03
-0:12
25K
15.53 mi11:36:501:36:216:1214:47
6:06
+0:03
30K
18.64 mi11:55:461:55:176:1118:56
6:06
0:00
20M
20.00 mi12:04:002:03:316:118:14
6:04
-0:02
21M
21.00 mi12:10:162:09:476:116:16
6:16
+0:12
35K
21.75 mi12:14:352:14:066:104:19
5:46
-0:30
23M
23.00 mi12:21:582:21:296:097:23
5:54
+0:08
24M
24.00 mi12:27:482:27:196:085:50
5:50
-0:04
40K
24.85 mi12:32:572:32:286:085:09
6:01
+0:11
25.2M
25.20 mi12:35:122:34:436:082:15
6:31
+0:30
Finish
26.22 mi12:41:142:40:456:086:02
5:55
-0:36

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

5:46 /mi

Average Pace

6:08 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:30

99% of race

Time at Steady Pace

2:15

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:08 /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 mi10:19:4519:166:1219:16
6:12
#1131
10K
6.21 mi10:39:0538:366:1319:20
6:13
#1230
15K
9.32 mi10:58:2958:006:1319:24
6:15
#1264
20K
12.43 mi11:17:551:17:266:1419:26
6:15
#1237
Half
13.11 mi11:22:031:21:346:134:08
6:03
#1219
25K
15.53 mi11:36:501:36:216:1214:47
6:06
#1130
30K
18.64 mi11:55:461:55:176:1118:56
6:06
#975
20M
20.00 mi12:04:002:03:316:118:14
6:04
#918
21M
21.00 mi12:10:162:09:476:116:16
6:16
#862
35K
21.75 mi12:14:352:14:066:104:19
5:46
#831
23M
23.00 mi12:21:582:21:296:097:23
5:54
#769
24M
24.00 mi12:27:482:27:196:085:50
5:50
#742
40K
24.85 mi12:32:572:32:286:085:09
6:01
#716
25.2M
25.20 mi12:35:122:34:436:082:15
6:31
#701
Finish
26.22 mi12:41:142:40:456:086:02
5:55
#686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1131106910691393(Top 5%)1326(Top 9%)1326(Top 25%)
10K6.21 mi3.10 mi1230-991165-961165-961426(Top 5%)1360(Top 9%)1360(Top 26%)
15K9.32 mi3.11 mi1264-341201-361201-361393(Top 5%)1326(Top 9%)1326(Top 25%)
20K12.43 mi3.11 mi1237+271178+231178+231226(Top 5%)1173(Top 8%)1173(Top 22%)
Half13.11 mi0.68 mi1219+181161+171161+17896(Top 3%)853(Top 6%)853(Top 16%)
25K15.53 mi2.42 mi1130+891075+861075+86733(Top 3%)692(Top 5%)692(Top 13%)
30K18.64 mi3.11 mi975+155925+150925+150499(Top 2%)467(Top 3%)467(Top 9%)
20M20.00 mi1.36 mi918+57871+54871+54429(Top 2%)395(Top 3%)395(Top 7%)
21M21.00 mi1.00 mi862+56816+55816+55313(Top 1%)287(Top 2%)287(Top 5%)
35K21.75 mi0.75 mi831+31786+30786+30330(Top 1%)304(Top 2%)304(Top 6%)
23M23.00 mi1.25 mi769+62726+60726+60214(Top 0.8%)190(Top 1%)190(Top 4%)
24M24.00 mi1.00 mi742+27699+27699+27305(Top 1%)279(Top 2%)279(Top 5%)
40K24.85 mi0.85 mi716+26674+25674+25374(Top 1%)349(Top 2%)349(Top 7%)
25.2M25.20 mi0.35 mi701+15659+15659+15539(Top 2%)507(Top 3%)507(Top 10%)
Finish26.22 mi1.02 mi686+15644+15644+15565(Top 2%)536(Top 4%)536(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1393

Males

1326

M18-39

1326

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1426

Males

1360

M18-39

1360

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1393

Males

1326

M18-39

1326

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1226

Males

1173

M18-39

1173

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

896

Males

853

M18-39

853

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

733

Males

692

M18-39

692

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

499

Males

467

M18-39

467

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

429

Males

395

M18-39

395

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

313

Males

287

M18-39

287

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

330

Males

304

M18-39

304

35K→23M

21.8 - 23.0 mi

Top 0.8%
×5stories
+23ft-63ft

Overall

214

Males

190

M18-39

190

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

305

Males

279

M18-39

279

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

374

Males

349

M18-39

349

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

539

Males

507

M18-39

507

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

565

Males

536

M18-39

536

Passing Analysis

Category:
Athletes Passed
665
Passed By
220
Net Change
+445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1131
5K → 10K23122-99#1131#1230
10K → 15K2963-34#1230#1264
15K → 20K5124+27#1264#1237
20K → Half191+18#1237#1219
Half → 25K901+89#1219#1130
25K → 30K1561+155#1130#975
30K → 20M581+57#975#918
20M → 21M560+56#918#862
21M → 35K310+31#862#831
35K → 23M620+62#831#769
23M → 24M281+27#769#742
24M → 40K271+26#742#716
40K → 25.2M150+15#716#701
25.2M → Finish205+15#701#686
TOTALS665220+445
📊

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