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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kuan-Shih Chuang

Bib: 13536 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 50%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Kuan-Shih

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment Β· 7:17/mi at mile 6.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase Β· Instant access Β· Downloadable PDF Β· Shareable report

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
22:46
3.11 mi
Rank: #11285
Start β†’ 5K
22:46 | 7:20/mi
10K
45:25
6.21 mi
Rank: #11158 (+127)
5K β†’ 10K
22:39 | 7:18/mi
15K
1:08:21
9.32 mi
Rank: #11322 (-164)
10K β†’ 15K
22:56 | 7:23/mi
20K
1:32:30
12.43 mi
Rank: #12081 (-759)
15K β†’ 20K
24:09 | 7:47/mi
HALF
1:37:44
13.11 mi
Rank: #12220 (-139)
20K β†’ HALF
5:14 | 7:41/mi
25K
1:57:40
15.53 mi
Rank: #13054 (-834)
HALF β†’ 25K
19:56 | 8:14/mi
30K
2:23:43
18.64 mi
Rank: #13597 (-543)
25K β†’ 30K
26:03 | 8:24/mi
20M
2:35:12
20.00 mi
Rank: #13762 (-165)
30K β†’ 20M
11:29 | 8:28/mi
21M
2:43:47
21.00 mi
Rank: #13730 (+32)
20M β†’ 21M
8:35 | 8:35/mi
35K
2:49:51
21.75 mi
Rank: #13779 (-49)
21M β†’ 35K
6:04 | 8:07/mi
23M
3:00:08
23.00 mi
Rank: #13786 (-7)
35K β†’ 23M
10:17 | 8:14/mi
24M
3:08:16
24.00 mi
Rank: #13806 (-20)
23M β†’ 24M
8:08 | 8:08/mi
40K
3:15:41
24.85 mi
Rank: #13926 (-120)
24M β†’ 40K
7:25 | 8:41/mi
25.2M
3:19:03
25.20 mi
Rank: #14029 (-103)
40K β†’ 25.2M
3:22 | 9:46/mi
FINISH
3:28:09
26.22 mi
Rank: #14371 (-342)
25.2M β†’ FINISH
9:06 | 8:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:44
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:50:25
Pace8:26 /mi
πŸ“ŠPositive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1422:467:2022:46
7:20
-
10K
6.21 mi11:14:5345:257:1922:39
7:18
-0:02
15K
9.32 mi11:37:491:08:217:2022:56
7:23
+0:05
20K
12.43 mi12:01:581:32:307:2724:09
7:47
+0:24
HALF
13.11 mi12:07:121:37:447:285:14
7:41
-0:06
25K
15.53 mi12:27:081:57:407:3519:56
8:14
+0:33
30K
18.64 mi12:53:112:23:437:4326:03
8:24
+0:10
20M
20.00 mi13:04:402:35:127:4611:29
8:28
+0:04
21M
21.00 mi13:13:152:43:477:488:35
8:35
+0:07
35K
21.75 mi13:19:192:49:517:496:04
8:07
-0:28
23M
23.00 mi13:29:363:00:087:5010:17
8:14
+0:07
24M
24.00 mi13:37:443:08:167:518:08
8:08
-0:06
40K
24.85 mi13:45:093:15:417:537:25
8:41
+0:33
25.2M
25.20 mi13:48:313:19:037:543:22
9:46
+1:05
FINISH
26.22 mi13:57:373:28:097:579:06
8:56
-0:50

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

7:18 /mi

Average Pace

7:57 /mi

Slowest Pace

9:46 /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

1:37:44

47% of race

Time at Steady Pace

1:21:57

39% of race

Time at Slower Pace

28:28

14% of race

Average Pace: 7:56 /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 mi10:52:1422:467:2022:46
7:20
#11285
10K
6.21 mi11:14:5345:257:1922:39
7:18
#11158
15K
9.32 mi11:37:491:08:217:2022:56
7:23
#11322
20K
12.43 mi12:01:581:32:307:2724:09
7:47
#12081
HALF
13.11 mi12:07:121:37:447:285:14
7:41
#12220
25K
15.53 mi12:27:081:57:407:3519:56
8:14
#13054
30K
18.64 mi12:53:112:23:437:4326:03
8:24
#13597
20M
20.00 mi13:04:402:35:127:4611:29
8:28
#13762
21M
21.00 mi13:13:152:43:477:488:35
8:35
#13730
35K
21.75 mi13:19:192:49:517:496:04
8:07
#13779
23M
23.00 mi13:29:363:00:087:5010:17
8:14
#13786
24M
24.00 mi13:37:443:08:167:518:08
8:08
#13806
40K
24.85 mi13:45:093:15:417:537:25
8:41
#13926
25.2M
25.20 mi13:48:313:19:037:543:22
9:46
#14029
FINISH
26.22 mi13:57:373:28:097:579:06
8:56
#14371
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 mi112858734873411776(Top 41%)8824(Top 54%)8824(Top 472%)
10K6.21 mi3.10 mi11158+1278633+1018633+10111054(Top 38%)8564(Top 52%)8564(Top 458%)
15K9.32 mi3.11 mi11322-1648681-488681-4811776(Top 41%)8824(Top 54%)8824(Top 472%)
20K12.43 mi3.11 mi12081-7598998-3178998-31714300(Top 49%)9861(Top 60%)9861(Top 528%)
HALF13.11 mi0.68 mi12220-1399053-559053-5514492(Top 50%)10001(Top 61%)10001(Top 535%)
25K15.53 mi2.42 mi13054-8349367-3149367-31416898(Top 58%)10896(Top 67%)10896(Top 583%)
30K18.64 mi3.11 mi13597-5439570-2039570-20316159(Top 56%)10485(Top 64%)10485(Top 561%)
20M20.00 mi1.36 mi13762-1659620-509620-5015900(Top 55%)10250(Top 63%)10250(Top 549%)
21M21.00 mi1.00 mi13730+329581+399581+3913638(Top 47%)9197(Top 56%)9197(Top 492%)
35K21.75 mi0.75 mi13779-499580+19580+115171(Top 52%)9830(Top 60%)9830(Top 526%)
23M23.00 mi1.25 mi13786-79553+279553+2713894(Top 48%)9199(Top 56%)9199(Top 492%)
24M24.00 mi1.00 mi13806-209544+99544+914618(Top 50%)9432(Top 58%)9432(Top 505%)
40K24.85 mi0.85 mi13926-1209570-269570-2616682(Top 57%)10267(Top 63%)10267(Top 550%)
25.2M25.20 mi0.35 mi14029-1039601-319601-3118404(Top 63%)11064(Top 68%)11064(Top 592%)
FINISH26.22 mi1.02 mi14371-3429724-1239724-12320196(Top 70%)11936(Top 73%)11936(Top 639%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
Γ—21
+97ft-345ft

Overall

11776

Males

8824

M50-54

8824

5K→10K

3.1 - 6.2 mi

Top 38%
Γ—5
+79ft-138ft

Overall

11054

Males

8564

M50-54

8564

10K→15K

6.2 - 9.3 mi

Top 41%
Γ—3
+67ft-78ft

Overall

11776

Males

8824

M50-54

8824

15K→20K

9.3 - 12.4 mi

Top 49%
Γ—5
+106ft-86ft

Overall

14300

Males

9861

M50-54

9861

20K→HALF

12.4 - 13.1 mi

Top 50%
Γ—2
+19ft-37ft

Overall

14492

Males

10001

M50-54

10001

HALF→25K

13.1 - 15.5 mi

Top 58%
Γ—4
+66ft-88ft

Overall

16898

Males

10896

M50-54

10896

25K→30K

15.5 - 18.6 mi

Top 56%
Γ—9
+181ft-148ft

Overall

16159

Males

10485

M50-54

10485

30K→20M

18.6 - 20.0 mi

Top 55%
Γ—5
+64ft-50ft

Overall

15900

Males

10250

M50-54

10250

20M→21M

20.0 - 21.0 mi

Top 47%
Γ—8
+106ft-24ft

Overall

13638

Males

9197

M50-54

9197

21M→35K

21.0 - 21.8 mi

Top 52%
Γ—7
+17ft-86ft

Overall

15171

Males

9830

M50-54

9830

35K→23M

21.8 - 23.0 mi

Top 48%
Γ—5
+23ft-63ft

Overall

13894

Males

9199

M50-54

9199

23M→24M

23.0 - 24.0 mi

Top 50%
Γ—6
+12ft-82ft

Overall

14618

Males

9432

M50-54

9432

24M→40K

24.0 - 24.9 mi

Top 57%
Γ—1
+6ft-20ft

Overall

16682

Males

10267

M50-54

10267

40K→25.2M

24.9 - 25.2 mi

Top 63%
Γ—1
+13ft-16ft

Overall

18404

Males

11064

M50-54

11064

25.2M→FINISH

25.2 - 26.2 mi

Top 70%
Γ—2
+22ft-21ft

Overall

20196

Males

11936

M50-54

11936

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
985*
Passed By
2134
Net Change
-3086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#11285
5K β†’ 10K307*180+127#11285#11158
10K β†’ 15K124200-164#11158#11322
15K β†’ 20K36200-759#11322#12081
20K β†’ HALF5144-139#12081#12220
HALF β†’ 25K27200-834#12220#13054
25K β†’ 30K67200-543#13054#13597
30K β†’ 20M62200-165#13597#13762
20M β†’ 21M10472+32#13762#13730
21M β†’ 35K4594-49#13730#13779
35K β†’ 23M8895-7#13779#13786
23M β†’ 24M6787-20#13786#13806
24M β†’ 40K33153-120#13806#13926
40K β†’ 25.2M6109-103#13926#14029
25.2M β†’ FINISH14200-342#14029#14371
TOTALS985*2134-3086

* 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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