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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kuo-Chen Hsieh

Bib: 4323 •M •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 11%
Gender (Male)
#0 / 16340
Top 19%
Age Group (M18-39)
#0 / 5723
Top 43%
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
20:28
3.11 mi
Rank: #4872
Start → 5K
20:28 | 6:36/mi
10K
40:57
6.21 mi
Rank: #4893 (-21)
5K → 10K
20:29 | 6:36/mi
15K
1:01:22
9.32 mi
Rank: #4823 (+70)
10K → 15K
20:25 | 6:35/mi
20K
1:21:50
12.43 mi
Rank: #4684 (+139)
15K → 20K
20:28 | 6:36/mi
HALF
1:26:14
13.11 mi
Rank: #4638 (+46)
20K → HALF
4:24 | 6:28/mi
25K
1:42:19
15.53 mi
Rank: #4565 (+73)
HALF → 25K
16:05 | 6:38/mi
30K
2:03:04
18.64 mi
Rank: #4326 (+239)
25K → 30K
20:45 | 6:41/mi
20M
2:11:57
20.00 mi
Rank: #4146 (+180)
30K → 20M
8:53 | 6:33/mi
21M
2:18:35
21.00 mi
Rank: #3947 (+199)
20M → 21M
6:38 | 6:38/mi
35K
2:23:19
21.75 mi
Rank: #3875 (+72)
21M → 35K
4:44 | 6:20/mi
23M
2:31:15
23.00 mi
Rank: #3669 (+206)
35K → 23M
7:56 | 6:21/mi
24M
2:37:20
24.00 mi
Rank: #3509 (+160)
23M → 24M
6:05 | 6:05/mi
40K
2:42:40
24.85 mi
Rank: #3373 (+136)
24M → 40K
5:20 | 6:15/mi
25.2M
2:45:01
25.20 mi
Rank: #3331 (+42)
40K → 25.2M
2:21 | 6:49/mi
FINISH
2:51:16
26.22 mi
Rank: #3253 (+78)
25.2M → FINISH
6:15 | 6:08/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:26:14
Pace6:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:02
Pace6:30 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2320:286:3620:28
6:36
-
10K
6.21 mi10:44:5240:576:3620:29
6:36
0:00
15K
9.32 mi11:05:171:01:226:3620:25
6:35
-0:01
20K
12.43 mi11:25:451:21:506:3620:28
6:36
+0:01
HALF
13.11 mi11:30:091:26:146:354:24
6:28
-0:08
25K
15.53 mi11:46:141:42:196:3616:05
6:38
+0:10
30K
18.64 mi12:06:592:03:046:3720:45
6:41
+0:03
20M
20.00 mi12:15:522:11:576:368:53
6:33
-0:08
21M
21.00 mi12:22:302:18:356:366:38
6:38
+0:05
35K
21.75 mi12:27:142:23:196:364:44
6:20
-0:18
23M
23.00 mi12:35:102:31:156:357:56
6:21
+0:01
24M
24.00 mi12:41:152:37:206:346:05
6:05
-0:16
40K
24.85 mi12:46:352:42:406:335:20
6:15
+0:10
25.2M
25.20 mi12:48:562:45:016:332:21
6:49
+0:34
FINISH
26.22 mi12:55:112:51:166:336:15
6:08
-0:41

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

6:05 /mi

Average Pace

6:32 /mi

Slowest Pace

6:49 /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

2:48:55

99% of race

Time at Steady Pace

2:21

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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 mi10:24:2320:286:3620:28
6:36
#4872
10K
6.21 mi10:44:5240:576:3620:29
6:36
#4893
15K
9.32 mi11:05:171:01:226:3620:25
6:35
#4823
20K
12.43 mi11:25:451:21:506:3620:28
6:36
#4684
HALF
13.11 mi11:30:091:26:146:354:24
6:28
#4638
25K
15.53 mi11:46:141:42:196:3616:05
6:38
#4565
30K
18.64 mi12:06:592:03:046:3720:45
6:41
#4326
20M
20.00 mi12:15:522:11:576:368:53
6:33
#4146
21M
21.00 mi12:22:302:18:356:366:38
6:38
#3947
35K
21.75 mi12:27:142:23:196:364:44
6:20
#3875
23M
23.00 mi12:35:102:31:156:357:56
6:21
#3669
24M
24.00 mi12:41:152:37:206:346:05
6:05
#3509
40K
24.85 mi12:46:352:42:406:335:20
6:15
#3373
25.2M
25.20 mi12:48:562:45:016:332:21
6:49
#3331
FINISH
26.22 mi12:55:112:51:166:336:15
6:08
#3253
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4872455345534698(Top 16%)4402(Top 27%)4402(Top 77%)
10K6.21 mi3.10 mi4893-214575-224575-224942(Top 17%)4612(Top 28%)4612(Top 81%)
15K9.32 mi3.11 mi4823+704516+594516+594698(Top 16%)4402(Top 27%)4402(Top 77%)
20K12.43 mi3.11 mi4684+1394397+1194397+1194337(Top 15%)4079(Top 25%)4079(Top 71%)
HALF13.11 mi0.68 mi4638+464355+424355+424054(Top 14%)3833(Top 23%)3833(Top 67%)
25K15.53 mi2.42 mi4565+734286+694286+694321(Top 15%)4034(Top 25%)4034(Top 70%)
30K18.64 mi3.11 mi4326+2394072+2144072+2143562(Top 12%)3341(Top 20%)3341(Top 58%)
20M20.00 mi1.36 mi4146+1803901+1713901+1712641(Top 9%)2498(Top 15%)2498(Top 44%)
21M21.00 mi1.00 mi3947+1993725+1763725+1761773(Top 6%)1701(Top 10%)1701(Top 30%)
35K21.75 mi0.75 mi3875+723655+703655+702655(Top 9%)2494(Top 15%)2494(Top 44%)
23M23.00 mi1.25 mi3669+2063471+1843471+1841737(Top 6%)1658(Top 10%)1658(Top 29%)
24M24.00 mi1.00 mi3509+1603328+1433328+1431346(Top 5%)1281(Top 8%)1281(Top 22%)
40K24.85 mi0.85 mi3373+1363202+1263202+1261518(Top 5%)1435(Top 9%)1435(Top 25%)
25.2M25.20 mi0.35 mi3331+423164+383164+381940(Top 7%)1806(Top 11%)1806(Top 32%)
FINISH26.22 mi1.02 mi3253+783086+783086+782198(Top 8%)2022(Top 12%)2022(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21
+97ft-345ft

Overall

4698

Males

4402

M18-39

4402

5K→10K

3.1 - 6.2 mi

Top 17%
×5
+79ft-138ft

Overall

4942

Males

4612

M18-39

4612

10K→15K

6.2 - 9.3 mi

Top 16%
×3
+67ft-78ft

Overall

4698

Males

4402

M18-39

4402

15K→20K

9.3 - 12.4 mi

Top 15%
×5
+106ft-86ft

Overall

4337

Males

4079

M18-39

4079

20K→HALF

12.4 - 13.1 mi

Top 14%
×2
+19ft-37ft

Overall

4054

Males

3833

M18-39

3833

HALF→25K

13.1 - 15.5 mi

Top 15%
×4
+66ft-88ft

Overall

4321

Males

4034

M18-39

4034

25K→30K

15.5 - 18.6 mi

Top 12%
×9
+181ft-148ft

Overall

3562

Males

3341

M18-39

3341

30K→20M

18.6 - 20.0 mi

Top 9%
×5
+64ft-50ft

Overall

2641

Males

2498

M18-39

2498

20M→21M

20.0 - 21.0 mi

Top 6%
×8
+106ft-24ft

Overall

1773

Males

1701

M18-39

1701

21M→35K

21.0 - 21.8 mi

Top 9%
×7
+17ft-86ft

Overall

2655

Males

2494

M18-39

2494

35K→23M

21.8 - 23.0 mi

Top 6%
×5
+23ft-63ft

Overall

1737

Males

1658

M18-39

1658

23M→24M

23.0 - 24.0 mi

Top 5%
×6
+12ft-82ft

Overall

1346

Males

1281

M18-39

1281

24M→40K

24.0 - 24.9 mi

Top 5%
×1
+6ft-20ft

Overall

1518

Males

1435

M18-39

1435

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1
+13ft-16ft

Overall

1940

Males

1806

M18-39

1806

25.2M→FINISH

25.2 - 26.2 mi

Top 8%
×2
+22ft-21ft

Overall

2198

Males

2022

M18-39

2022

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1985*
Passed By
366
Net Change
+1619
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4872
5K → 10K164185-21#4872#4893
10K → 15K14373+70#4893#4823
15K → 20K17233+139#4823#4684
20K → HALF482+46#4684#4638
HALF → 25K10734+73#4638#4565
25K → 30K252*13+239#4565#4326
30K → 20M1822+180#4326#4146
20M → 21M201*2+199#4146#3947
21M → 35K786+72#3947#3875
35K → 23M209*3+206#3875#3669
23M → 24M1600+160#3669#3509
24M → 40K1371+136#3509#3373
40K → 25.2M475+42#3373#3331
25.2M → FINISH857+78#3331#3253
TOTALS1985*366+1619

* 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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Activity Data

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