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BOSTON MARATHON 2026

Brian Williams

Bib: 31429•M

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Top 31%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
27:15
3.11 mi
Rank: #21533
Start → 5K
27:15 | 8:47/mi
10K
51:46
6.21 mi
Rank: #19211 (+2322)
5K → 10K
24:31 | 7:54/mi
15K
1:16:31
9.32 mi
Rank: #18441 (+770)
10K → 15K
24:45 | 7:58/mi
20K
1:41:54
12.43 mi
Rank: #18163 (+278)
15K → 20K
25:23 | 8:11/mi
HALF
1:47:19
13.11 mi
Rank: #18086 (+77)
20K → HALF
5:25 | 7:57/mi
25K
2:07:17
15.53 mi
Rank: #17901 (+185)
HALF → 25K
19:58 | 8:14/mi
30K
2:33:24
18.64 mi
Rank: #17577 (+324)
25K → 30K
26:07 | 8:25/mi
20M
2:45:00
20.00 mi
Rank: #17471 (+106)
30K → 20M
11:36 | 8:33/mi
21M
2:53:51
21.00 mi
Rank: #17329 (+142)
20M → 21M
8:51 | 8:51/mi
35K
2:59:59
21.75 mi
Rank: #17246 (+83)
21M → 35K
6:08 | 8:12/mi
23M
3:10:23
23.00 mi
Rank: #17052 (+194)
35K → 23M
10:24 | 8:19/mi
24M
3:18:42
24.00 mi
Rank: #16977 (+75)
23M → 24M
8:19 | 8:19/mi
40K
3:26:06
24.85 mi
Rank: #16956 (+21)
24M → 40K
7:24 | 8:40/mi
25.2M
3:29:20
25.20 mi
Rank: #16959 (-3)
40K → 25.2M
3:14 | 9:23/mi
FINISH
3:37:26
26.22 mi
Rank: #16849 (+110)
25.2M → FINISH
8:06 | 7:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:19
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2927:158:4727:15
8:47
-
10K
6.21 mi12:17:0051:468:2024:31
7:54
-0:53
15K
9.32 mi12:41:451:16:318:1324:45
7:58
+0:04
20K
12.43 mi13:07:081:41:548:1225:23
8:11
+0:13
HALF
13.11 mi13:12:331:47:198:125:25
7:57
-0:14
25K
15.53 mi13:32:312:07:178:1219:58
8:14
+0:17
30K
18.64 mi13:58:382:33:248:1426:07
8:25
+0:11
20M
20.00 mi14:10:142:45:008:1611:36
8:33
+0:08
21M
21.00 mi14:19:052:53:518:178:51
8:51
+0:18
35K
21.75 mi14:25:132:59:598:176:08
8:12
-0:39
23M
23.00 mi14:35:373:10:238:1710:24
8:19
+0:07
24M
24.00 mi14:43:563:18:428:178:19
8:19
0:00
40K
24.85 mi14:51:203:26:068:187:24
8:40
+0:21
25.2M
25.20 mi14:54:343:29:208:193:14
9:23
+0:43
FINISH
26.22 mi15:02:403:37:268:188:06
7:57
-1:26

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:54 /mi

Average Pace

8:18 /mi

Slowest Pace

9:23 /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

2:58:06

82% of race

Time at Steady Pace

36:06

17% of race

Time at Slower Pace

3:14

1% of race

Average Pace: 8:18 /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 mi11:52:2927:158:4727:15
8:47
#21533
10K
6.21 mi12:17:0051:468:2024:31
7:54
#19211
15K
9.32 mi12:41:451:16:318:1324:45
7:58
#18441
20K
12.43 mi13:07:081:41:548:1225:23
8:11
#18163
HALF
13.11 mi13:12:331:47:198:125:25
7:57
#18086
25K
15.53 mi13:32:312:07:178:1219:58
8:14
#17901
30K
18.64 mi13:58:382:33:248:1426:07
8:25
#17577
20M
20.00 mi14:10:142:45:008:1611:36
8:33
#17471
21M
21.00 mi14:19:052:53:518:178:51
8:51
#17329
35K
21.75 mi14:25:132:59:598:176:08
8:12
#17246
23M
23.00 mi14:35:373:10:238:1710:24
8:19
#17052
24M
24.00 mi14:43:563:18:428:178:19
8:19
#16977
40K
24.85 mi14:51:203:26:068:187:24
8:40
#16956
25.2M
25.20 mi14:54:343:29:208:193:14
9:23
#16959
FINISH
26.22 mi15:02:403:37:268:188:06
7:57
#16849
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21533129771297716726(Top 58%)10913(Top 67%)10913(Top 721%)
10K6.21 mi3.10 mi19211+232211946+103111946+103116380(Top 56%)10765(Top 66%)10765(Top 711%)
15K9.32 mi3.11 mi18441+77011633+31311633+31316726(Top 58%)10913(Top 67%)10913(Top 721%)
20K12.43 mi3.11 mi18163+27811507+12611507+12617289(Top 60%)11117(Top 68%)11117(Top 734%)
HALF13.11 mi0.68 mi18086+7711472+3511472+3516669(Top 57%)10883(Top 67%)10883(Top 719%)
25K15.53 mi2.42 mi17901+18511381+9111381+9116995(Top 59%)10943(Top 67%)10943(Top 723%)
30K18.64 mi3.11 mi17577+32411225+15611225+15616298(Top 56%)10550(Top 65%)10550(Top 697%)
20M20.00 mi1.36 mi17471+10611155+7011155+7016425(Top 57%)10488(Top 64%)10488(Top 693%)
21M21.00 mi1.00 mi17329+14211076+7911076+7915266(Top 53%)9938(Top 61%)9938(Top 656%)
35K21.75 mi0.75 mi17246+8311024+5211024+5215768(Top 54%)10093(Top 62%)10093(Top 667%)
23M23.00 mi1.25 mi17052+19410910+11410910+11414522(Top 50%)9473(Top 58%)9473(Top 626%)
24M24.00 mi1.00 mi16977+7510858+5210858+5215775(Top 54%)9955(Top 61%)9955(Top 658%)
40K24.85 mi0.85 mi16956+2110830+2810830+2816573(Top 57%)10226(Top 63%)10226(Top 675%)
25.2M25.20 mi0.35 mi16959-310821+910821+916676(Top 57%)10284(Top 63%)10284(Top 679%)
FINISH26.22 mi1.02 mi16849+11010752+6910752+6914829(Top 51%)9435(Top 58%)9435(Top 623%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16726

Males

10913

M60-64

10913

5K→10K

3.1 - 6.2 mi

Top 56%
×5
+79ft-138ft

Overall

16380

Males

10765

M60-64

10765

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16726

Males

10913

M60-64

10913

15K→20K

9.3 - 12.4 mi

Top 60%
×5
+106ft-86ft

Overall

17289

Males

11117

M60-64

11117

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16669

Males

10883

M60-64

10883

HALF→25K

13.1 - 15.5 mi

Top 59%
×4
+66ft-88ft

Overall

16995

Males

10943

M60-64

10943

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16298

Males

10550

M60-64

10550

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16425

Males

10488

M60-64

10488

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15266

Males

9938

M60-64

9938

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15768

Males

10093

M60-64

10093

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14522

Males

9473

M60-64

9473

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15775

Males

9955

M60-64

9955

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16573

Males

10226

M60-64

10226

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16676

Males

10284

M60-64

10284

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14829

Males

9435

M60-64

9435

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
5052*
Passed By
368
Net Change
+4684
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21533
5K → 10K2324*2+2322#21533#19211
10K → 15K788*18+770#19211#18441
15K → 20K318*40+278#18441#18163
20K → HALF814+77#18163#18086
HALF → 25K218*33+185#18086#17901
25K → 30K385*61+324#17901#17577
30K → 20M13630+106#17577#17471
20M → 21M16321+142#17471#17329
21M → 35K9613+83#17329#17246
35K → 23M208*14+194#17246#17052
23M → 24M11540+75#17052#16977
24M → 40K6948+21#16977#16956
40K → 25.2M2326-3#16956#16959
25.2M → FINISH12818+110#16959#16849
TOTALS5052*368+4684

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing