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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chao-Wen Hsiao

Bib: 9326 β€’M β€’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 (M50-54)
#0 / 1868
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
22:45
3.11 mi
Rank: #11242
Start β†’ 5K
22:45 | 7:20/mi
10K
45:36
6.21 mi
Rank: #11408 (-166)
5K β†’ 10K
22:51 | 7:22/mi
15K
1:08:15
9.32 mi
Rank: #11220 (+188)
10K β†’ 15K
22:39 | 7:18/mi
20K
1:32:09
12.43 mi
Rank: #11860 (-640)
15K β†’ 20K
23:54 | 7:42/mi
HALF
1:38:10
13.11 mi
Rank: #12500 (-640)
20K β†’ HALF
6:01 | 8:50/mi
25K
1:56:55
15.53 mi
Rank: #12619 (-119)
HALF β†’ 25K
18:45 | 7:44/mi
30K
2:24:05
18.64 mi
Rank: #13758 (-1139)
25K β†’ 30K
27:10 | 8:45/mi
20M
2:35:54
20.00 mi
Rank: #14061 (-303)
30K β†’ 20M
11:49 | 8:42/mi
21M
2:45:45
21.00 mi
Rank: #14482 (-421)
20M β†’ 21M
9:51 | 9:51/mi
35K
2:52:26
21.75 mi
Rank: #14742 (-260)
21M β†’ 35K
6:41 | 8:57/mi
23M
3:03:44
23.00 mi
Rank: #15032 (-290)
35K β†’ 23M
11:18 | 9:02/mi
24M
3:12:15
24.00 mi
Rank: #15117 (-85)
23M β†’ 24M
8:31 | 8:31/mi
40K
3:19:34
24.85 mi
Rank: #15153 (-36)
24M β†’ 40K
7:19 | 8:34/mi
25.2M
3:22:56
25.20 mi
Rank: #15237 (-84)
40K β†’ 25.2M
3:22 | 9:46/mi
FINISH
3:32:07
26.22 mi
Rank: #15532 (-295)
25.2M β†’ FINISH
9:11 | 9:01/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
Time1:38:10
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:53:57
Pace8:42 /mi
πŸ“ŠPositive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:1922:457:2022:45
7:20
-
10K
6.21 mi11:01:1045:367:2122:51
7:22
+0:02
15K
9.32 mi11:23:491:08:157:2022:39
7:18
-0:04
20K
12.43 mi11:47:431:32:097:2523:54
7:42
+0:24
HALF
13.11 mi11:53:441:38:107:306:01
8:50
+1:08
25K
15.53 mi12:12:291:56:557:3218:45
7:44
-1:06
30K
18.64 mi12:39:392:24:057:4427:10
8:45
+1:01
20M
20.00 mi12:51:282:35:547:4811:49
8:42
-0:03
21M
21.00 mi13:01:192:45:457:549:51
9:51
+1:09
35K
21.75 mi13:08:002:52:267:566:41
8:57
-0:54
23M
23.00 mi13:19:183:03:448:0011:18
9:02
+0:05
24M
24.00 mi13:27:493:12:158:018:31
8:31
-0:31
40K
24.85 mi13:35:083:19:348:027:19
8:34
+0:03
25.2M
25.20 mi13:38:303:22:568:043:22
9:46
+1:12
FINISH
26.22 mi13:47:413:32:078:069:11
9:01
-0:45

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

8:06 /mi

Slowest Pace

9:51 /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

1:50:54

52% of race

Time at Steady Pace

1:28:00

41% of race

Time at Slower Pace

13:13

6% of race

Average Pace: 8:05 /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 mi10:38:1922:457:2022:45
7:20
#11242
10K
6.21 mi11:01:1045:367:2122:51
7:22
#11408
15K
9.32 mi11:23:491:08:157:2022:39
7:18
#11220
20K
12.43 mi11:47:431:32:097:2523:54
7:42
#11860
HALF
13.11 mi11:53:441:38:107:306:01
8:50
#12500
25K
15.53 mi12:12:291:56:557:3218:45
7:44
#12619
30K
18.64 mi12:39:392:24:057:4427:10
8:45
#13758
20M
20.00 mi12:51:282:35:547:4811:49
8:42
#14061
21M
21.00 mi13:01:192:45:457:549:51
9:51
#14482
35K
21.75 mi13:08:002:52:267:566:41
8:57
#14742
23M
23.00 mi13:19:183:03:448:0011:18
9:02
#15032
24M
24.00 mi13:27:493:12:158:018:31
8:31
#15117
40K
24.85 mi13:35:083:19:348:027:19
8:34
#15153
25.2M
25.20 mi13:38:303:22:568:043:22
9:46
#15237
FINISH
26.22 mi13:47:413:32:078:069:11
9:01
#15532
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 mi112428713871310955(Top 38%)8468(Top 52%)8468(Top 453%)
10K6.21 mi3.10 mi11408-1668751-388751-3811651(Top 40%)8828(Top 54%)8828(Top 473%)
15K9.32 mi3.11 mi11220+1888632+1198632+11910955(Top 38%)8468(Top 52%)8468(Top 453%)
20K12.43 mi3.11 mi11860-6408898-2668898-26613655(Top 47%)9585(Top 59%)9585(Top 513%)
HALF13.11 mi0.68 mi12500-6409175-2779175-27721897(Top 75%)13209(Top 81%)13209(Top 707%)
25K15.53 mi2.42 mi12619-1199197-229197-2213291(Top 46%)9351(Top 57%)9351(Top 501%)
30K18.64 mi3.11 mi13758-11399644-4479644-44718265(Top 63%)11368(Top 70%)11368(Top 609%)
20M20.00 mi1.36 mi14061-3039747-1039747-10317369(Top 60%)10906(Top 67%)10906(Top 584%)
21M21.00 mi1.00 mi14482-4219897-1509897-15019907(Top 69%)12021(Top 74%)12021(Top 644%)
35K21.75 mi0.75 mi14742-2609967-709967-7019722(Top 68%)11822(Top 72%)11822(Top 633%)
23M23.00 mi1.25 mi15032-29010058-9110058-9118609(Top 64%)11262(Top 69%)11262(Top 603%)
24M24.00 mi1.00 mi15117-8510080-2210080-2216961(Top 58%)10451(Top 64%)10451(Top 559%)
40K24.85 mi0.85 mi15153-3610078+210078+216004(Top 55%)9971(Top 61%)9971(Top 534%)
25.2M25.20 mi0.35 mi15237-8410105-2710105-2718409(Top 63%)11069(Top 68%)11069(Top 593%)
FINISH26.22 mi1.02 mi15532-29510200-9510200-9520533(Top 71%)12111(Top 74%)12111(Top 648%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
Γ—21
+97ft-345ft

Overall

10955

Males

8468

M50-54

8468

5K→10K

3.1 - 6.2 mi

Top 40%
Γ—5
+79ft-138ft

Overall

11651

Males

8828

M50-54

8828

10K→15K

6.2 - 9.3 mi

Top 38%
Γ—3
+67ft-78ft

Overall

10955

Males

8468

M50-54

8468

15K→20K

9.3 - 12.4 mi

Top 47%
Γ—5
+106ft-86ft

Overall

13655

Males

9585

M50-54

9585

20K→HALF

12.4 - 13.1 mi

Top 75%
Γ—2
+19ft-37ft

Overall

21897

Males

13209

M50-54

13209

HALF→25K

13.1 - 15.5 mi

Top 46%
Γ—4
+66ft-88ft

Overall

13291

Males

9351

M50-54

9351

25K→30K

15.5 - 18.6 mi

Top 63%
Γ—9
+181ft-148ft

Overall

18265

Males

11368

M50-54

11368

30K→20M

18.6 - 20.0 mi

Top 60%
Γ—5
+64ft-50ft

Overall

17369

Males

10906

M50-54

10906

20M→21M

20.0 - 21.0 mi

Top 69%
Γ—8
+106ft-24ft

Overall

19907

Males

12021

M50-54

12021

21M→35K

21.0 - 21.8 mi

Top 68%
Γ—7
+17ft-86ft

Overall

19722

Males

11822

M50-54

11822

35K→23M

21.8 - 23.0 mi

Top 64%
Γ—5
+23ft-63ft

Overall

18609

Males

11262

M50-54

11262

23M→24M

23.0 - 24.0 mi

Top 58%
Γ—6
+12ft-82ft

Overall

16961

Males

10451

M50-54

10451

24M→40K

24.0 - 24.9 mi

Top 55%
Γ—1
+6ft-20ft

Overall

16004

Males

9971

M50-54

9971

40K→25.2M

24.9 - 25.2 mi

Top 63%
Γ—1
+13ft-16ft

Overall

18409

Males

11069

M50-54

11069

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
Γ—2
+22ft-21ft

Overall

20533

Males

12111

M50-54

12111

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
886*
Passed By
2432
Net Change
-4290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#11242
5K β†’ 10K175200-166#11242#11408
10K β†’ 15K288*100+188#11408#11220
15K β†’ 20K32200-640#11220#11860
20K β†’ HALF2200-640#11860#12500
HALF β†’ 25K92200-119#12500#12619
25K β†’ 30K32200-1139#12619#13758
30K β†’ 20M49200-303#13758#14061
20M β†’ 21M27200-421#14061#14482
21M β†’ 35K21200-260#14482#14742
35K β†’ 23M36200-290#14742#15032
23M β†’ 24M53138-85#15032#15117
24M β†’ 40K6197-36#15117#15153
40K β†’ 25.2M1397-84#15153#15237
25.2M β†’ FINISH5200-295#15237#15532
TOTALS886*2432-4290

* 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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