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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Dave Williams

Bib: 7929 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
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
26:57
3.11 mi
Rank: #21051
Start → 5K
26:57 | 8:41/mi
10K
55:39
6.21 mi
Rank: #22523 (-1472)
5K → 10K
28:42 | 9:15/mi
15K
1:22:43
9.32 mi
Rank: #22131 (+392)
10K → 15K
27:04 | 8:43/mi
20K
1:50:24
12.43 mi
Rank: #21954 (+177)
15K → 20K
27:41 | 8:55/mi
HALF
1:56:22
13.11 mi
Rank: #21923 (+31)
20K → HALF
5:58 | 8:46/mi
25K
2:18:20
15.53 mi
Rank: #21816 (+107)
HALF → 25K
21:58 | 9:04/mi
30K
2:46:28
18.64 mi
Rank: #21440 (+376)
25K → 30K
28:08 | 9:04/mi
20M
2:58:59
20.00 mi
Rank: #21314 (+126)
30K → 20M
12:31 | 9:13/mi
21M
3:08:26
21.00 mi
Rank: #21152 (+162)
20M → 21M
9:27 | 9:27/mi
35K
3:15:04
21.75 mi
Rank: #21096 (+56)
21M → 35K
6:38 | 8:52/mi
23M
3:26:42
23.00 mi
Rank: #21024 (+72)
35K → 23M
11:38 | 9:18/mi
24M
3:35:45
24.00 mi
Rank: #20964 (+60)
23M → 24M
9:03 | 9:03/mi
40K
3:43:31
24.85 mi
Rank: #20883 (+81)
24M → 40K
7:46 | 9:06/mi
25.2M
3:47:00
25.20 mi
Rank: #20865 (+18)
40K → 25.2M
3:29 | 10:07/mi
FINISH
3:55:49
26.22 mi
Rank: #20805 (+60)
25.2M → FINISH
8:49 | 8:40/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:22
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time1:59:27
Pace9:07 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:0426:578:4126:57
8:41
-
10K
6.21 mi11:03:4655:398:5828:42
9:15
+0:34
15K
9.32 mi11:30:501:22:438:5327:04
8:43
-0:32
20K
12.43 mi11:58:311:50:248:5427:41
8:55
+0:12
HALF
13.11 mi12:04:291:56:228:535:58
8:46
-0:09
25K
15.53 mi12:26:272:18:208:5521:58
9:04
+0:18
30K
18.64 mi12:54:352:46:288:5628:08
9:04
0:00
20M
20.00 mi13:07:062:58:598:5712:31
9:13
+0:09
21M
21.00 mi13:16:333:08:268:599:27
9:27
+0:14
35K
21.75 mi13:23:113:15:048:596:38
8:52
-0:35
23M
23.00 mi13:34:493:26:429:0011:38
9:18
+0:26
24M
24.00 mi13:43:523:35:459:009:03
9:03
-0:15
40K
24.85 mi13:51:383:43:319:007:46
9:06
+0:03
25.2M
25.20 mi13:55:073:47:009:013:29
10:07
+1:01
FINISH
26.22 mi14:03:563:55:499:018:49
8:40
-1:27

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

8:40 /mi

Average Pace

9:00 /mi

Slowest Pace

10:07 /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

3:52:20

99% of race

Time at Steady Pace

3:29

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:00 /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 mi10:35:0426:578:4126:57
8:41
#21051
10K
6.21 mi11:03:4655:398:5828:42
9:15
#22523
15K
9.32 mi11:30:501:22:438:5327:04
8:43
#22131
20K
12.43 mi11:58:311:50:248:5427:41
8:55
#21954
HALF
13.11 mi12:04:291:56:228:535:58
8:46
#21923
25K
15.53 mi12:26:272:18:208:5521:58
9:04
#21816
30K
18.64 mi12:54:352:46:288:5628:08
9:04
#21440
20M
20.00 mi13:07:062:58:598:5712:31
9:13
#21314
21M
21.00 mi13:16:333:08:268:599:27
9:27
#21152
35K
21.75 mi13:23:113:15:048:596:38
8:52
#21096
23M
23.00 mi13:34:493:26:429:0011:38
9:18
#21024
24M
24.00 mi13:43:523:35:459:009:03
9:03
#20964
40K
24.85 mi13:51:383:43:319:007:46
9:06
#20883
25.2M
25.20 mi13:55:073:47:009:013:29
10:07
#20865
FINISH
26.22 mi14:03:563:55:499:018:49
8:40
#20805
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi21051127611276121260(Top 73%)12903(Top 79%)12903(Top 535%)
10K6.21 mi3.10 mi22523-147213508-74713508-74723737(Top 82%)14113(Top 86%)14113(Top 585%)
15K9.32 mi3.11 mi22131+39213314+19413314+19421260(Top 73%)12903(Top 79%)12903(Top 535%)
20K12.43 mi3.11 mi21954+17713225+8913225+8921511(Top 74%)13006(Top 80%)13006(Top 539%)
HALF13.11 mi0.68 mi21923+3113207+1813207+1821547(Top 74%)13042(Top 80%)13042(Top 540%)
25K15.53 mi2.42 mi21816+10713154+5313154+5321415(Top 74%)12952(Top 79%)12952(Top 537%)
30K18.64 mi3.11 mi21440+37612953+20112953+20119859(Top 68%)12110(Top 74%)12110(Top 502%)
20M20.00 mi1.36 mi21314+12612868+8512868+8519911(Top 69%)12070(Top 74%)12070(Top 500%)
21M21.00 mi1.00 mi21152+16212789+7912789+7918299(Top 63%)11290(Top 69%)11290(Top 468%)
35K21.75 mi0.75 mi21096+5612761+2812761+2819459(Top 67%)11720(Top 72%)11720(Top 486%)
23M23.00 mi1.25 mi21024+7212717+4412717+4419816(Top 68%)11847(Top 73%)11847(Top 491%)
24M24.00 mi1.00 mi20964+6012673+4412673+4419663(Top 68%)11714(Top 72%)11714(Top 485%)
40K24.85 mi0.85 mi20883+8112624+4912624+4918778(Top 65%)11252(Top 69%)11252(Top 466%)
25.2M25.20 mi0.35 mi20865+1812608+1612608+1619735(Top 68%)11733(Top 72%)11733(Top 486%)
FINISH26.22 mi1.02 mi20805+6012573+3512573+3518914(Top 65%)11334(Top 69%)11334(Top 470%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21
+97ft-345ft

Overall

21260

Males

12903

M45-49

12903

5K→10K

3.1 - 6.2 mi

Top 82%
×5
+79ft-138ft

Overall

23737

Males

14113

M45-49

14113

10K→15K

6.2 - 9.3 mi

Top 73%
×3
+67ft-78ft

Overall

21260

Males

12903

M45-49

12903

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21511

Males

13006

M45-49

13006

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21547

Males

13042

M45-49

13042

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21415

Males

12952

M45-49

12952

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19859

Males

12110

M45-49

12110

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

19911

Males

12070

M45-49

12070

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18299

Males

11290

M45-49

11290

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19459

Males

11720

M45-49

11720

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19816

Males

11847

M45-49

11847

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19663

Males

11714

M45-49

11714

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18778

Males

11252

M45-49

11252

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1
+13ft-16ft

Overall

19735

Males

11733

M45-49

11733

25.2M→FINISH

25.2 - 26.2 mi

Top 65%
×2
+22ft-21ft

Overall

18914

Males

11334

M45-49

11334

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2140*
Passed By
603
Net Change
+246
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21051
5K → 10K19200-1472#21051#22523
10K → 15K439*47+392#22523#22131
15K → 20K252*75+177#22131#21954
20K → HALF4817+31#21954#21923
HALF → 25K17265+107#21923#21816
25K → 30K396*20+376#21816#21440
30K → 20M15327+126#21440#21314
20M → 21M1686+162#21314#21152
21M → 35K7317+56#21152#21096
35K → 23M11442+72#21096#21024
23M → 24M8121+60#21024#20964
24M → 40K9918+81#20964#20883
40K → 25.2M3820+18#20883#20865
25.2M → FINISH8828+60#20865#20805
TOTALS2140*603+246

* 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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Activity Data

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