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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chenghan Chen

Bib: 13077 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 41%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 43%
Age Group (M45-49)
#0 / 2413
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
23:16
3.11 mi
Rank: #12668
Start → 5K
23:16 | 7:30/mi
10K
47:22
6.21 mi
Rank: #13934 (-1266)
5K → 10K
24:06 | 7:46/mi
15K
1:13:53
9.32 mi
Rank: #16493 (-2559)
10K → 15K
26:31 | 8:33/mi
20K
1:36:55
12.43 mi
Rank: #15155 (+1338)
15K → 20K
23:02 | 7:25/mi
HALF
1:42:00
13.11 mi
Rank: #15012 (+143)
20K → HALF
5:05 | 7:28/mi
25K
2:00:05
15.53 mi
Rank: #14328 (+684)
HALF → 25K
18:05 | 7:28/mi
30K
2:23:51
18.64 mi
Rank: #13651 (+677)
25K → 30K
23:46 | 7:39/mi
20M
2:34:03
20.00 mi
Rank: #13299 (+352)
30K → 20M
10:12 | 7:31/mi
21M
2:42:02
21.00 mi
Rank: #13076 (+223)
20M → 21M
7:59 | 7:59/mi
35K
2:47:28
21.75 mi
Rank: #12920 (+156)
21M → 35K
5:26 | 7:16/mi
23M
2:56:47
23.00 mi
Rank: #12626 (+294)
35K → 23M
9:19 | 7:27/mi
24M
3:04:01
24.00 mi
Rank: #12421 (+205)
23M → 24M
7:14 | 7:14/mi
40K
3:10:16
24.85 mi
Rank: #12203 (+218)
24M → 40K
6:15 | 7:19/mi
25.2M
3:12:59
25.20 mi
Rank: #12103 (+100)
40K → 25.2M
2:43 | 7:53/mi
FINISH
3:20:18
26.22 mi
Rank: #11951 (+152)
25.2M → FINISH
7:19 | 7:11/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
Time1:42:00
Pace7:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:18
Pace7:30 /mi
📊Negative Split: 3.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1623:167:3023:16
7:30
-
10K
6.21 mi11:16:2247:227:3824:06
7:46
+0:16
15K
9.32 mi11:42:531:13:537:5626:31
8:33
+0:47
20K
12.43 mi12:05:551:36:557:4823:02
7:25
-1:08
HALF
13.11 mi12:11:001:42:007:475:05
7:28
+0:03
25K
15.53 mi12:29:052:00:057:4418:05
7:28
0:00
30K
18.64 mi12:52:512:23:517:4423:46
7:39
+0:11
20M
20.00 mi13:03:032:34:037:4310:12
7:31
-0:08
21M
21.00 mi13:11:022:42:027:437:59
7:59
+0:28
35K
21.75 mi13:16:282:47:287:435:26
7:16
-0:43
23M
23.00 mi13:25:472:56:477:429:19
7:27
+0:11
24M
24.00 mi13:33:013:04:017:417:14
7:14
-0:13
40K
24.85 mi13:39:163:10:167:406:15
7:19
+0:05
25.2M
25.20 mi13:41:593:12:597:402:43
7:53
+0:34
FINISH
26.22 mi13:49:183:20:187:397:19
7:11
-0:42

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

7:11 /mi

Average Pace

7:39 /mi

Slowest Pace

8:33 /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

2:45:48

83% of race

Time at Steady Pace

7:59

4% of race

Time at Slower Pace

26:31

13% of race

Average Pace: 7:38 /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 mi10:52:1623:167:3023:16
7:30
#12668
10K
6.21 mi11:16:2247:227:3824:06
7:46
#13934
15K
9.32 mi11:42:531:13:537:5626:31
8:33
#16493
20K
12.43 mi12:05:551:36:557:4823:02
7:25
#15155
HALF
13.11 mi12:11:001:42:007:475:05
7:28
#15012
25K
15.53 mi12:29:052:00:057:4418:05
7:28
#14328
30K
18.64 mi12:52:512:23:517:4423:46
7:39
#13651
20M
20.00 mi13:03:032:34:037:4310:12
7:31
#13299
21M
21.00 mi13:11:022:42:027:437:59
7:59
#13076
35K
21.75 mi13:16:282:47:287:435:26
7:16
#12920
23M
23.00 mi13:25:472:56:477:429:19
7:27
#12626
24M
24.00 mi13:33:013:04:017:417:14
7:14
#12421
40K
24.85 mi13:39:163:10:167:406:15
7:19
#12203
25.2M
25.20 mi13:41:593:12:597:402:43
7:53
#12103
FINISH
26.22 mi13:49:183:20:187:397:19
7:11
#11951
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 mi126689319931920335(Top 70%)12477(Top 76%)12477(Top 517%)
10K6.21 mi3.10 mi13934-12669828-5099828-50915219(Top 52%)10307(Top 63%)10307(Top 427%)
15K9.32 mi3.11 mi16493-255910791-96310791-96320335(Top 70%)12477(Top 76%)12477(Top 517%)
20K12.43 mi3.11 mi15155+133810248+54310248+54311238(Top 39%)8499(Top 52%)8499(Top 352%)
HALF13.11 mi0.68 mi15012+14310198+5010198+5012582(Top 43%)9176(Top 56%)9176(Top 380%)
25K15.53 mi2.42 mi14328+6849911+2879911+28711052(Top 38%)8356(Top 51%)8356(Top 346%)
30K18.64 mi3.11 mi13651+6779598+3139598+31310845(Top 37%)8126(Top 50%)8126(Top 337%)
20M20.00 mi1.36 mi13299+3529408+1909408+1909196(Top 32%)7175(Top 44%)7175(Top 297%)
21M21.00 mi1.00 mi13076+2239289+1199289+1199770(Top 34%)7356(Top 45%)7356(Top 305%)
35K21.75 mi0.75 mi12920+1569204+859204+859024(Top 31%)6981(Top 43%)6981(Top 289%)
23M23.00 mi1.25 mi12626+2949054+1509054+1508464(Top 29%)6589(Top 40%)6589(Top 273%)
24M24.00 mi1.00 mi12421+2058943+1118943+1118096(Top 28%)6313(Top 39%)6313(Top 262%)
40K24.85 mi0.85 mi12203+2188815+1288815+1287514(Top 26%)5906(Top 36%)5906(Top 245%)
25.2M25.20 mi0.35 mi12103+1008764+518764+517585(Top 26%)5916(Top 36%)5916(Top 245%)
FINISH26.22 mi1.02 mi11951+1528677+878677+878967(Top 31%)6579(Top 40%)6579(Top 273%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20335

Males

12477

M45-49

12477

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15219

Males

10307

M45-49

10307

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20335

Males

12477

M45-49

12477

15K→20K

9.3 - 12.4 mi

Top 39%
×5
+106ft-86ft

Overall

11238

Males

8499

M45-49

8499

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12582

Males

9176

M45-49

9176

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

11052

Males

8356

M45-49

8356

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10845

Males

8126

M45-49

8126

30K→20M

18.6 - 20.0 mi

Top 32%
×5
+64ft-50ft

Overall

9196

Males

7175

M45-49

7175

20M→21M

20.0 - 21.0 mi

Top 34%
×8
+106ft-24ft

Overall

9770

Males

7356

M45-49

7356

21M→35K

21.0 - 21.8 mi

Top 31%
×7
+17ft-86ft

Overall

9024

Males

6981

M45-49

6981

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8464

Males

6589

M45-49

6589

23M→24M

23.0 - 24.0 mi

Top 28%
×6
+12ft-82ft

Overall

8096

Males

6313

M45-49

6313

24M→40K

24.0 - 24.9 mi

Top 26%
×1
+6ft-20ft

Overall

7514

Males

5906

M45-49

5906

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1
+13ft-16ft

Overall

7585

Males

5916

M45-49

5916

25.2M→FINISH

25.2 - 26.2 mi

Top 31%
×2
+22ft-21ft

Overall

8967

Males

6579

M45-49

6579

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4624*
Passed By
444
Net Change
+717
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12668
5K → 10K32200-1266#12668#13934
10K → 15K6200-2559#13934#16493
15K → 20K1338*0+1338#16493#15155
20K → HALF1463+143#15155#15012
HALF → 25K685*1+684#15012#14328
25K → 30K682*5+677#14328#13651
30K → 20M354*2+352#13651#13299
20M → 21M230*7+223#13299#13076
21M → 35K1604+156#13076#12920
35K → 23M296*2+294#12920#12626
23M → 24M207*2+205#12626#12421
24M → 40K220*2+218#12421#12203
40K → 25.2M1011+100#12203#12103
25.2M → FINISH16715+152#12103#11951
TOTALS4624*444+717

* 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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