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BOSTON MARATHON 2023

Brandon Williams

Bib: 415•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
17:39
Rank: #250
Start → 5K
17:39 | 5:41/mi
10K· 6.21 mi
35:28
Rank: #310 (-60)
5K → 10K
17:49 | 5:44/mi
15K· 9.32 mi
53:30
Rank: #328 (-18)
10K → 15K
18:02 | 5:48/mi
20K· 12.43 mi
1:11:51
Rank: #337 (-9)
15K → 20K
18:21 | 5:54/mi
Half· 13.11 mi
1:15:49
Rank: #341 (-4)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:30:04
Rank: #342 (-1)
Half → 25K
14:15 | 5:53/mi
30K· 18.64 mi
1:49:03
Rank: #360 (-18)
25K → 30K
18:59 | 6:07/mi
20M
1:57:24
Rank: #368 (-8)
30K → 20M
8:21 | 6:09/mi
21M
2:03:56
Rank: #371 (-3)
20M → 21M
6:32 | 6:32/mi
35K· 21.75 mi
2:08:20
Rank: #374 (-3)
21M → 35K
4:24 | 5:53/mi
23M
2:15:55
Rank: #362 (+12)
35K → 23M
7:35 | 6:03/mi
24M
2:21:50
Rank: #360 (+2)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:27:06
Rank: #352 (+8)
24M → 40K
5:16 | 6:10/mi
25.2M
2:29:23
Rank: #352
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:35:28
Rank: #351 (+1)
25.2M → Finish
6:05 | 5:58/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:49
Pace5:47 /mi
2nd Half
Distance13.11 mi
Time1:19:39
Pace6:05 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:4317:395:4117:39
5:41
-
10K
6.21 mi10:35:3235:285:4217:49
5:44
+0:03
15K
9.32 mi10:53:3453:305:4418:02
5:48
+0:04
20K
12.43 mi11:11:551:11:515:4718:21
5:54
+0:06
Half
13.11 mi11:15:531:15:495:473:58
5:49
-0:05
25K
15.53 mi11:30:081:30:045:4814:15
5:53
+0:04
30K
18.64 mi11:49:071:49:035:5118:59
6:07
+0:14
20M
20.00 mi11:57:281:57:245:528:21
6:09
+0:02
21M
21.00 mi12:04:002:03:565:546:32
6:32
+0:23
35K
21.75 mi12:08:242:08:205:544:24
5:53
-0:39
23M
23.00 mi12:15:592:15:555:557:35
6:03
+0:10
24M
24.00 mi12:21:542:21:505:555:55
5:55
-0:08
40K
24.85 mi12:27:102:27:065:555:16
6:10
+0:15
25.2M
25.20 mi12:29:272:29:235:562:17
6:37
+0:27
Finish
26.22 mi12:35:322:35:285:566:05
5:58
-0:39

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

5:41 /mi

Average Pace

5:56 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:26:39

94% of race

Time at Steady Pace

8:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:56 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:17:4317:395:4117:39
5:41
#250
10K
6.21 mi10:35:3235:285:4217:49
5:44
#310
15K
9.32 mi10:53:3453:305:4418:02
5:48
#328
20K
12.43 mi11:11:551:11:515:4718:21
5:54
#337
Half
13.11 mi11:15:531:15:495:473:58
5:49
#341
25K
15.53 mi11:30:081:30:045:4814:15
5:53
#342
30K
18.64 mi11:49:071:49:035:5118:59
6:07
#360
20M
20.00 mi11:57:281:57:245:528:21
6:09
#368
21M
21.00 mi12:04:002:03:565:546:32
6:32
#371
35K
21.75 mi12:08:242:08:205:544:24
5:53
#374
23M
23.00 mi12:15:592:15:555:557:35
6:03
#362
24M
24.00 mi12:21:542:21:505:555:55
5:55
#360
40K
24.85 mi12:27:102:27:065:555:16
6:10
#352
25.2M
25.20 mi12:29:272:29:235:562:17
6:37
#352
Finish
26.22 mi12:35:322:35:285:566:05
5:58
#351
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi250250250374(Top 1%)340(Top 2%)340(Top 6%)
10K6.21 mi3.10 mi310-60280-30280-30354(Top 1%)319(Top 2%)319(Top 6%)
15K9.32 mi3.11 mi328-18295-15295-15374(Top 1%)340(Top 2%)340(Top 6%)
20K12.43 mi3.11 mi337-9304-9304-9423(Top 2%)388(Top 3%)388(Top 7%)
Half13.11 mi0.68 mi341-4309-5309-5404(Top 2%)373(Top 2%)373(Top 7%)
25K15.53 mi2.42 mi342-1310-1310-1361(Top 1%)333(Top 2%)333(Top 6%)
30K18.64 mi3.11 mi360-18328-18328-18518(Top 2%)485(Top 3%)485(Top 9%)
20M20.00 mi1.36 mi368-8336-8336-8552(Top 2%)518(Top 3%)518(Top 10%)
21M21.00 mi1.00 mi371-3339-3339-3699(Top 3%)658(Top 4%)658(Top 12%)
35K21.75 mi0.75 mi374-3342-3342-3471(Top 2%)436(Top 3%)436(Top 8%)
23M23.00 mi1.25 mi362+12331+11331+11378(Top 1%)352(Top 2%)352(Top 7%)
24M24.00 mi1.00 mi360+2328+3328+3404(Top 2%)378(Top 2%)378(Top 7%)
40K24.85 mi0.85 mi352+8320+8320+8579(Top 2%)545(Top 4%)545(Top 10%)
25.2M25.20 mi0.35 mi352320320665(Top 2%)630(Top 4%)630(Top 12%)
Finish26.22 mi1.02 mi351+1319+1319+1651(Top 2%)620(Top 4%)620(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

374

Males

340

M18-39

340

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

354

Males

319

M18-39

319

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

374

Males

340

M18-39

340

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

423

Males

388

M18-39

388

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

404

Males

373

M18-39

373

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

361

Males

333

M18-39

333

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

518

Males

485

M18-39

485

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

552

Males

518

M18-39

518

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

699

Males

658

M18-39

658

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

471

Males

436

M18-39

436

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

378

Males

352

M18-39

352

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

404

Males

378

M18-39

378

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

579

Males

545

M18-39

545

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

665

Males

630

M18-39

630

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

651

Males

620

M18-39

620

Passing Analysis

Category:
Athletes Passed
98
Passed By
199
Net Change
-101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#250
5K → 10K767-60#250#310
10K → 15K422-18#310#328
15K → 20K514-9#328#337
20K → Half26-4#337#341
Half → 25K1213-1#341#342
25K → 30K826-18#342#360
30K → 20M412-8#360#368
20M → 21M47-3#368#371
21M → 35K36-3#371#374
35K → 23M164+12#374#362
23M → 24M75+2#362#360
24M → 40K102+8#360#352
40K → 25.2M220#352#352
25.2M → Finish1413+1#352#351
TOTALS98199-101
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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