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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Yu Hsien Chang

Bib: 10263 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 45%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 48%
Age Group (M45-49)
#0 / 2413
Race Day Weather
51Β°/41Β°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
21:47
3.11 mi
Rank: #8646
Start β†’ 5K
21:47 | 7:01/mi
10K
44:21
6.21 mi
Rank: #9641 (-995)
5K β†’ 10K
22:34 | 7:16/mi
15K
1:07:18
9.32 mi
Rank: #10348 (-707)
10K β†’ 15K
22:57 | 7:24/mi
20K
1:31:21
12.43 mi
Rank: #11293 (-945)
15K β†’ 20K
24:03 | 7:45/mi
HALF
1:36:36
13.11 mi
Rank: #11474 (-181)
20K β†’ HALF
5:15 | 7:43/mi
25K
1:55:08
15.53 mi
Rank: #11646 (-172)
HALF β†’ 25K
18:32 | 7:39/mi
30K
2:20:40
18.64 mi
Rank: #12255 (-609)
25K β†’ 30K
25:32 | 8:14/mi
20M
2:31:45
20.00 mi
Rank: #12382 (-127)
30K β†’ 20M
11:05 | 8:10/mi
21M
2:40:38
21.00 mi
Rank: #12564 (-182)
20M β†’ 21M
8:53 | 8:53/mi
35K
2:46:34
21.75 mi
Rank: #12583 (-19)
21M β†’ 35K
5:56 | 7:56/mi
23M
2:57:07
23.00 mi
Rank: #12743 (-160)
35K β†’ 23M
10:33 | 8:26/mi
24M
3:05:34
24.00 mi
Rank: #12929 (-186)
23M β†’ 24M
8:27 | 8:27/mi
40K
3:12:51
24.85 mi
Rank: #13019 (-90)
24M β†’ 40K
7:17 | 8:32/mi
25.2M
3:16:01
25.20 mi
Rank: #13048 (-29)
40K β†’ 25.2M
3:10 | 9:11/mi
FINISH
3:24:23
26.22 mi
Rank: #13187 (-139)
25.2M β†’ FINISH
8:22 | 8:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:36
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:47:47
Pace8:14 /mi
πŸ“ŠPositive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:4221:477:0121:47
7:01
-
10K
6.21 mi11:01:1644:217:0922:34
7:16
+0:15
15K
9.32 mi11:24:131:07:187:1422:57
7:24
+0:08
20K
12.43 mi11:48:161:31:217:2224:03
7:45
+0:21
HALF
13.11 mi11:53:311:36:367:235:15
7:43
-0:02
25K
15.53 mi12:12:031:55:087:2518:32
7:39
-0:04
30K
18.64 mi12:37:352:20:407:3325:32
8:14
+0:35
20M
20.00 mi12:48:402:31:457:3611:05
8:10
-0:04
21M
21.00 mi12:57:332:40:387:398:53
8:53
+0:43
35K
21.75 mi13:03:292:46:347:405:56
7:56
-0:57
23M
23.00 mi13:14:022:57:077:4310:33
8:26
+0:30
24M
24.00 mi13:22:293:05:347:448:27
8:27
+0:01
40K
24.85 mi13:29:463:12:517:467:17
8:32
+0:05
25.2M
25.20 mi13:32:563:16:017:473:10
9:11
+0:39
FINISH
26.22 mi13:41:183:24:237:498:22
8:13
-0:58

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

7:01 /mi

Average Pace

7:48 /mi

Slowest Pace

9:11 /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

1:55:08

56% of race

Time at Steady Pace

1:09:55

34% of race

Time at Slower Pace

19:20

9% of race

Average Pace: 7:48 /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 mi10:38:4221:477:0121:47
7:01
#8646
10K
6.21 mi11:01:1644:217:0922:34
7:16
#9641
15K
9.32 mi11:24:131:07:187:1422:57
7:24
#10348
20K
12.43 mi11:48:161:31:217:2224:03
7:45
#11293
HALF
13.11 mi11:53:311:36:367:235:15
7:43
#11474
25K
15.53 mi12:12:031:55:087:2518:32
7:39
#11646
30K
18.64 mi12:37:352:20:407:3325:32
8:14
#12255
20M
20.00 mi12:48:402:31:457:3611:05
8:10
#12382
21M
21.00 mi12:57:332:40:387:398:53
8:53
#12564
35K
21.75 mi13:03:292:46:347:405:56
7:56
#12583
23M
23.00 mi13:14:022:57:077:4310:33
8:26
#12743
24M
24.00 mi13:22:293:05:347:448:27
8:27
#12929
40K
24.85 mi13:29:463:12:517:467:17
8:32
#13019
25.2M
25.20 mi13:32:563:16:017:473:10
9:11
#13048
FINISH
26.22 mi13:41:183:24:237:498:22
8:13
#13187
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 mi86467342734211825(Top 41%)8853(Top 54%)8853(Top 367%)
10K6.21 mi3.10 mi9641-9957898-5567898-55610818(Top 37%)8464(Top 52%)8464(Top 351%)
15K9.32 mi3.11 mi10348-7078225-3278225-32711825(Top 41%)8853(Top 54%)8853(Top 367%)
20K12.43 mi3.11 mi11293-9458638-4138638-41314057(Top 48%)9750(Top 60%)9750(Top 404%)
HALF13.11 mi0.68 mi11474-1818721-838721-8314677(Top 51%)10066(Top 62%)10066(Top 417%)
25K15.53 mi2.42 mi11646-1728767-468767-4612572(Top 43%)9056(Top 55%)9056(Top 375%)
30K18.64 mi3.11 mi12255-6098985-2188985-21815033(Top 52%)9981(Top 61%)9981(Top 414%)
20M20.00 mi1.36 mi12382-1279010-259010-2513920(Top 48%)9413(Top 58%)9413(Top 390%)
21M21.00 mi1.00 mi12564-1829058-489058-4815433(Top 53%)9995(Top 61%)9995(Top 414%)
35K21.75 mi0.75 mi12583-199052+69052+613951(Top 48%)9290(Top 57%)9290(Top 385%)
23M23.00 mi1.25 mi12743-1609116-649116-6415244(Top 53%)9792(Top 60%)9792(Top 406%)
24M24.00 mi1.00 mi12929-1869179-639179-6316557(Top 57%)10275(Top 63%)10275(Top 426%)
40K24.85 mi0.85 mi13019-909190-119190-1115757(Top 54%)9856(Top 60%)9856(Top 408%)
25.2M25.20 mi0.35 mi13048-299197-79197-715607(Top 54%)9778(Top 60%)9778(Top 405%)
FINISH26.22 mi1.02 mi13187-1399227-309227-3016447(Top 57%)10187(Top 62%)10187(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
Γ—21
+97ft-345ft

Overall

11825

Males

8853

M45-49

8853

5K→10K

3.1 - 6.2 mi

Top 37%
Γ—5
+79ft-138ft

Overall

10818

Males

8464

M45-49

8464

10K→15K

6.2 - 9.3 mi

Top 41%
Γ—3
+67ft-78ft

Overall

11825

Males

8853

M45-49

8853

15K→20K

9.3 - 12.4 mi

Top 48%
Γ—5
+106ft-86ft

Overall

14057

Males

9750

M45-49

9750

20K→HALF

12.4 - 13.1 mi

Top 51%
Γ—2
+19ft-37ft

Overall

14677

Males

10066

M45-49

10066

HALF→25K

13.1 - 15.5 mi

Top 43%
Γ—4
+66ft-88ft

Overall

12572

Males

9056

M45-49

9056

25K→30K

15.5 - 18.6 mi

Top 52%
Γ—9
+181ft-148ft

Overall

15033

Males

9981

M45-49

9981

30K→20M

18.6 - 20.0 mi

Top 48%
Γ—5
+64ft-50ft

Overall

13920

Males

9413

M45-49

9413

20M→21M

20.0 - 21.0 mi

Top 53%
Γ—8
+106ft-24ft

Overall

15433

Males

9995

M45-49

9995

21M→35K

21.0 - 21.8 mi

Top 48%
Γ—7
+17ft-86ft

Overall

13951

Males

9290

M45-49

9290

35K→23M

21.8 - 23.0 mi

Top 53%
Γ—5
+23ft-63ft

Overall

15244

Males

9792

M45-49

9792

23M→24M

23.0 - 24.0 mi

Top 57%
Γ—6
+12ft-82ft

Overall

16557

Males

10275

M45-49

10275

24M→40K

24.0 - 24.9 mi

Top 54%
Γ—1
+6ft-20ft

Overall

15757

Males

9856

M45-49

9856

40K→25.2M

24.9 - 25.2 mi

Top 54%
Γ—1
+13ft-16ft

Overall

15607

Males

9778

M45-49

9778

25.2M→FINISH

25.2 - 26.2 mi

Top 57%
Γ—2
+22ft-21ft

Overall

16447

Males

10187

M45-49

10187

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
575
Passed By
2401
Net Change
-4541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#8646
5K β†’ 10K25200-995#8646#9641
10K β†’ 15K33200-707#9641#10348
15K β†’ 20K27200-945#10348#11293
20K β†’ HALF7188-181#11293#11474
HALF β†’ 25K78200-172#11474#11646
25K β†’ 30K72200-609#11646#12255
30K β†’ 20M59186-127#12255#12382
20M β†’ 21M38200-182#12382#12564
21M β†’ 35K4766-19#12564#12583
35K β†’ 23M53200-160#12583#12743
23M β†’ 24M33200-186#12743#12929
24M β†’ 40K47137-90#12929#13019
40K β†’ 25.2M2150-29#13019#13048
25.2M β†’ FINISH35174-139#13048#13187
TOTALS5752401-4541
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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