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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Yu Chih Lai

Bib: 11586 β€’M β€’Age: N/A

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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 (M50-54)
#0 / 1868
Race Day Weather
51Β°/41Β°F
overcast clouds
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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
28:21
3.11 mi
Rank: #23176
Start β†’ 5K
28:21 | 9:08/mi
10K
57:31
6.21 mi
Rank: #23745 (-569)
5K β†’ 10K
29:10 | 9:24/mi
15K
1:25:25
9.32 mi
Rank: #23429 (+316)
10K β†’ 15K
27:54 | 8:59/mi
20K
1:53:53
12.43 mi
Rank: #23214 (+215)
15K β†’ 20K
28:28 | 9:10/mi
HALF
1:59:57
13.11 mi
Rank: #23167 (+47)
20K β†’ HALF
6:04 | 8:55/mi
25K
2:24:09
15.53 mi
Rank: #23400 (-233)
HALF β†’ 25K
24:12 | 9:59/mi
30K
2:57:07
18.64 mi
Rank: #23639 (-239)
25K β†’ 30K
32:58 | 10:37/mi
20M
3:12:26
20.00 mi
Rank: #23767 (-128)
30K β†’ 20M
15:19 | 11:17/mi
21M
3:24:09
21.00 mi
Rank: #23825 (-58)
20M β†’ 21M
11:43 | 11:43/mi
35K
3:31:53
21.75 mi
Rank: #23833 (-8)
21M β†’ 35K
7:44 | 10:21/mi
23M
3:46:26
23.00 mi
Rank: #23956 (-123)
35K β†’ 23M
14:33 | 11:38/mi
24M
3:56:30
24.00 mi
Rank: #23917 (+39)
23M β†’ 24M
10:04 | 10:04/mi
40K
4:05:12
24.85 mi
Rank: #23863 (+54)
24M β†’ 40K
8:42 | 10:11/mi
25.2M
4:09:10
25.20 mi
Rank: #23856 (+7)
40K β†’ 25.2M
3:58 | 11:31/mi
FINISH
4:18:59
26.22 mi
Rank: #23814 (+42)
25.2M β†’ FINISH
9:49 | 9:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:59:57
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:19:02
Pace10:37 /mi
πŸ“ŠPositive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1728:219:0828:21
9:08
-
10K
6.21 mi11:17:2757:319:1629:10
9:24
+0:16
15K
9.32 mi11:45:211:25:259:1027:54
8:59
-0:25
20K
12.43 mi12:13:491:53:539:1028:28
9:10
+0:11
HALF
13.11 mi12:19:531:59:579:106:04
8:55
-0:15
25K
15.53 mi12:44:052:24:099:1724:12
9:59
+1:04
30K
18.64 mi13:17:032:57:079:3132:58
10:37
+0:38
20M
20.00 mi13:32:223:12:269:3815:19
11:17
+0:40
21M
21.00 mi13:44:053:24:099:4411:43
11:43
+0:26
35K
21.75 mi13:51:493:31:539:457:44
10:21
-1:22
23M
23.00 mi14:06:223:46:269:5114:33
11:38
+1:17
24M
24.00 mi14:16:263:56:309:5210:04
10:04
-1:34
40K
24.85 mi14:25:084:05:129:528:42
10:11
+0:07
25.2M
25.20 mi14:29:064:09:109:543:58
11:31
+1:20
FINISH
26.22 mi14:38:554:18:599:549:49
9:38
-1:53

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

8:55 /mi

Average Pace

9:53 /mi

Slowest Pace

11:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:59:57

46% of race

Time at Steady Pace

1:00:31

23% of race

Time at Slower Pace

1:18:31

30% of race

Average Pace: 9:53 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:48:1728:219:0828:21
9:08
#23176
10K
6.21 mi11:17:2757:319:1629:10
9:24
#23745
15K
9.32 mi11:45:211:25:259:1027:54
8:59
#23429
20K
12.43 mi12:13:491:53:539:1028:28
9:10
#23214
HALF
13.11 mi12:19:531:59:579:106:04
8:55
#23167
25K
15.53 mi12:44:052:24:099:1724:12
9:59
#23400
30K
18.64 mi13:17:032:57:079:3132:58
10:37
#23639
20M
20.00 mi13:32:223:12:269:3815:19
11:17
#23767
21M
21.00 mi13:44:053:24:099:4411:43
11:43
#23825
35K
21.75 mi13:51:493:31:539:457:44
10:21
#23833
23M
23.00 mi14:06:223:46:269:5114:33
11:38
#23956
24M
24.00 mi14:16:263:56:309:5210:04
10:04
#23917
40K
24.85 mi14:25:084:05:129:528:42
10:11
#23863
25.2M
25.20 mi14:29:064:09:109:543:58
11:31
#23856
FINISH
26.22 mi14:38:554:18:599:549:49
9:38
#23814
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23176138211382122606(Top 78%)13582(Top 83%)13582(Top 727%)
10K6.21 mi3.10 mi23745-56914116-29514116-29524230(Top 83%)14356(Top 88%)14356(Top 769%)
15K9.32 mi3.11 mi23429+31613958+15813958+15822606(Top 78%)13582(Top 83%)13582(Top 727%)
20K12.43 mi3.11 mi23214+21513842+11613842+11622606(Top 78%)13552(Top 83%)13552(Top 725%)
HALF13.11 mi0.68 mi23167+4713822+2013822+2022280(Top 77%)13408(Top 82%)13408(Top 718%)
25K15.53 mi2.42 mi23400-23313928-10613928-10624251(Top 84%)14307(Top 88%)14307(Top 766%)
30K18.64 mi3.11 mi23639-23914015-8714015-8724535(Top 85%)14308(Top 88%)14308(Top 766%)
20M20.00 mi1.36 mi23767-12814072-5714072-5725382(Top 87%)14638(Top 90%)14638(Top 784%)
21M21.00 mi1.00 mi23825-5814095-2314095-2324580(Top 85%)14204(Top 87%)14204(Top 760%)
35K21.75 mi0.75 mi23833-814088+714088+723960(Top 83%)13902(Top 85%)13902(Top 744%)
23M23.00 mi1.25 mi23956-12314128-4014128-4025603(Top 88%)14642(Top 90%)14642(Top 784%)
24M24.00 mi1.00 mi23917+3914093+3514093+3522988(Top 79%)13364(Top 82%)13364(Top 715%)
40K24.85 mi0.85 mi23863+5414058+3514058+3522390(Top 77%)13011(Top 80%)13011(Top 697%)
25.2M25.20 mi0.35 mi23856+714044+1414044+1423473(Top 81%)13522(Top 83%)13522(Top 724%)
FINISH26.22 mi1.02 mi23814+4214010+3414010+3422777(Top 78%)13209(Top 81%)13209(Top 707%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
Γ—21
+97ft-345ft

Overall

22606

Males

13582

M50-54

13582

5K→10K

3.1 - 6.2 mi

Top 83%
Γ—5
+79ft-138ft

Overall

24230

Males

14356

M50-54

14356

10K→15K

6.2 - 9.3 mi

Top 78%
Γ—3
+67ft-78ft

Overall

22606

Males

13582

M50-54

13582

15K→20K

9.3 - 12.4 mi

Top 78%
Γ—5
+106ft-86ft

Overall

22606

Males

13552

M50-54

13552

20K→HALF

12.4 - 13.1 mi

Top 77%
Γ—2
+19ft-37ft

Overall

22280

Males

13408

M50-54

13408

HALF→25K

13.1 - 15.5 mi

Top 84%
Γ—4
+66ft-88ft

Overall

24251

Males

14307

M50-54

14307

25K→30K

15.5 - 18.6 mi

Top 85%
Γ—9
+181ft-148ft

Overall

24535

Males

14308

M50-54

14308

30K→20M

18.6 - 20.0 mi

Top 87%
Γ—5
+64ft-50ft

Overall

25382

Males

14638

M50-54

14638

20M→21M

20.0 - 21.0 mi

Top 85%
Γ—8
+106ft-24ft

Overall

24580

Males

14204

M50-54

14204

21M→35K

21.0 - 21.8 mi

Top 83%
Γ—7
+17ft-86ft

Overall

23960

Males

13902

M50-54

13902

35K→23M

21.8 - 23.0 mi

Top 88%
Γ—5
+23ft-63ft

Overall

25603

Males

14642

M50-54

14642

23M→24M

23.0 - 24.0 mi

Top 79%
Γ—6
+12ft-82ft

Overall

22988

Males

13364

M50-54

13364

24M→40K

24.0 - 24.9 mi

Top 77%
Γ—1
+6ft-20ft

Overall

22390

Males

13011

M50-54

13011

40K→25.2M

24.9 - 25.2 mi

Top 81%
Γ—1
+13ft-16ft

Overall

23473

Males

13522

M50-54

13522

25.2M→FINISH

25.2 - 26.2 mi

Top 78%
Γ—2
+22ft-21ft

Overall

22777

Males

13209

M50-54

13209

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1260*
Passed By
1269
Net Change
-638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#23176
5K β†’ 10K54200-569#23176#23745
10K β†’ 15K354*38+316#23745#23429
15K β†’ 20K275*60+215#23429#23214
20K β†’ HALF558+47#23214#23167
HALF β†’ 25K58200-233#23167#23400
25K β†’ 30K76200-239#23400#23639
30K β†’ 20M38166-128#23639#23767
20M β†’ 21M43101-58#23767#23825
21M β†’ 35K4250-8#23825#23833
35K β†’ 23M38161-123#23833#23956
23M β†’ 24M6829+39#23956#23917
24M β†’ 40K7723+54#23917#23863
40K β†’ 25.2M169+7#23863#23856
25.2M β†’ FINISH6624+42#23856#23814
TOTALS1260*1269-638

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

πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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