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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Willis Lam

Bib: 31876 •X •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Other)
#0 / 103
Age Group
Not available
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
26:36
3.11 mi
Rank: #20434
Start → 5K
26:36 | 8:34/mi
10K
52:33
6.21 mi
Rank: #19930 (+504)
5K → 10K
25:57 | 8:22/mi
15K
1:18:24
9.32 mi
Rank: #19640 (+290)
10K → 15K
25:51 | 8:20/mi
20K
1:44:38
12.43 mi
Rank: #19463 (+177)
15K → 20K
26:14 | 8:27/mi
HALF
1:50:17
13.11 mi
Rank: #19447 (+16)
20K → HALF
5:39 | 8:18/mi
25K
2:11:07
15.53 mi
Rank: #19394 (+53)
HALF → 25K
20:50 | 8:36/mi
30K
2:38:52
18.64 mi
Rank: #19354 (+40)
25K → 30K
27:45 | 8:56/mi
20M
2:51:21
20.00 mi
Rank: #19377 (-23)
30K → 20M
12:29 | 9:12/mi
21M
3:00:43
21.00 mi
Rank: #19277 (+100)
20M → 21M
9:22 | 9:22/mi
35K
3:07:25
21.75 mi
Rank: #19297 (-20)
21M → 35K
6:42 | 8:58/mi
23M
3:18:37
23.00 mi
Rank: #19256 (+41)
35K → 23M
11:12 | 8:57/mi
24M
3:27:43
24.00 mi
Rank: #19269 (-13)
23M → 24M
9:06 | 9:06/mi
40K
3:35:30
24.85 mi
Rank: #19250 (+19)
24M → 40K
7:47 | 9:07/mi
25.2M
3:38:45
25.20 mi
Rank: #19226 (+24)
40K → 25.2M
3:15 | 9:26/mi
FINISH
3:47:12
26.22 mi
Rank: #19129 (+97)
25.2M → FINISH
8:27 | 8:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:50:17
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:56:55
Pace8:56 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1526:368:3426:36
8:34
-
10K
6.21 mi12:19:1252:338:2825:57
8:22
-0:12
15K
9.32 mi12:45:031:18:248:2525:51
8:20
-0:02
20K
12.43 mi13:11:171:44:388:2626:14
8:27
+0:07
HALF
13.11 mi13:16:561:50:178:255:39
8:18
-0:09
25K
15.53 mi13:37:462:11:078:2720:50
8:36
+0:18
30K
18.64 mi14:05:312:38:528:3227:45
8:56
+0:20
20M
20.00 mi14:18:002:51:218:3512:29
9:12
+0:16
21M
21.00 mi14:27:223:00:438:379:22
9:22
+0:10
35K
21.75 mi14:34:043:07:258:386:42
8:58
-0:24
23M
23.00 mi14:45:163:18:378:3911:12
8:57
-0:01
24M
24.00 mi14:54:223:27:438:409:06
9:06
+0:09
40K
24.85 mi15:02:093:35:308:417:47
9:07
+0:01
25.2M
25.20 mi15:05:243:38:458:413:15
9:26
+0:19
FINISH
26.22 mi15:13:513:47:128:418:27
8:18
-1:08

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

8:18 /mi

Average Pace

8:40 /mi

Slowest Pace

9:26 /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

3:22:06

89% of race

Time at Steady Pace

25:06

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:40 /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 mi11:53:1526:368:3426:36
8:34
#20434
10K
6.21 mi12:19:1252:338:2825:57
8:22
#19930
15K
9.32 mi12:45:031:18:248:2525:51
8:20
#19640
20K
12.43 mi13:11:171:44:388:2626:14
8:27
#19463
HALF
13.11 mi13:16:561:50:178:255:39
8:18
#19447
25K
15.53 mi13:37:462:11:078:2720:50
8:36
#19394
30K
18.64 mi14:05:312:38:528:3227:45
8:56
#19354
20M
20.00 mi14:18:002:51:218:3512:29
9:12
#19377
21M
21.00 mi14:27:223:00:438:379:22
9:22
#19277
35K
21.75 mi14:34:043:07:258:386:42
8:58
#19297
23M
23.00 mi14:45:163:18:378:3911:12
8:57
#19256
24M
24.00 mi14:54:223:27:438:409:06
9:06
#19269
40K
24.85 mi15:02:093:35:308:417:47
9:07
#19250
25.2M
25.20 mi15:05:243:38:458:413:15
9:26
#19226
FINISH
26.22 mi15:13:513:47:128:418:27
8:18
#19129
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi20434888819120(Top 66%)84(Top 82%)84
10K6.21 mi3.10 mi19930+50486+286+219523(Top 67%)86(Top 83%)86
15K9.32 mi3.11 mi19640+29084+284+219120(Top 66%)84(Top 82%)84
20K12.43 mi3.11 mi19463+177848418988(Top 65%)80(Top 78%)80
HALF13.11 mi0.68 mi19447+16848419042(Top 66%)82(Top 80%)82
25K15.53 mi2.42 mi19394+53848419146(Top 66%)82(Top 80%)82
30K18.64 mi3.11 mi19354+4083+183+119263(Top 66%)79(Top 77%)79
20M20.00 mi1.36 mi19377-2382+182+119843(Top 68%)75(Top 73%)75
21M21.00 mi1.00 mi19277+10081+181+117974(Top 62%)67(Top 65%)67
35K21.75 mi0.75 mi19297-2082-182-119895(Top 69%)70(Top 68%)70
23M23.00 mi1.25 mi19256+4181+181+118285(Top 63%)65(Top 63%)65
24M24.00 mi1.00 mi19269-1382-182-119914(Top 69%)72(Top 70%)72
40K24.85 mi0.85 mi19250+19828218919(Top 65%)69(Top 67%)69
25.2M25.20 mi0.35 mi19226+2481+181+117083(Top 59%)67(Top 65%)67
FINISH26.22 mi1.02 mi19129+97818117051(Top 59%)62(Top 60%)62

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19120

X

84

Age Div

84

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19523

X

86

Age Div

86

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19120

X

84

Age Div

84

15K→20K

9.3 - 12.4 mi

Top 65%
×5
+106ft-86ft

Overall

18988

X

80

Age Div

80

20K→HALF

12.4 - 13.1 mi

Top 66%
×2
+19ft-37ft

Overall

19042

X

82

Age Div

82

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19146

X

82

Age Div

82

25K→30K

15.5 - 18.6 mi

Top 66%
×9
+181ft-148ft

Overall

19263

X

79

Age Div

79

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19843

X

75

Age Div

75

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

17974

X

67

Age Div

67

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

19895

X

70

Age Div

70

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18285

X

65

Age Div

65

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

19914

X

72

Age Div

72

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18919

X

69

Age Div

69

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17083

X

67

Age Div

67

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17051

X

62

Age Div

62

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2238*
Passed By
933
Net Change
+1305
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20434
5K → 10K610*106+504#20434#19930
10K → 15K346*56+290#19930#19640
15K → 20K230*53+177#19640#19463
20K → HALF3822+16#19463#19447
HALF → 25K14289+53#19447#19394
25K → 30K206*166+40#19394#19354
30K → 20M87110-23#19354#19377
20M → 21M13030+100#19377#19277
21M → 35K5979-20#19277#19297
35K → 23M10059+41#19297#19256
23M → 24M6477-13#19256#19269
24M → 40K7051+19#19269#19250
40K → 25.2M4420+24#19250#19226
25.2M → FINISH11215+97#19226#19129
TOTALS2238*933+1305

* 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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