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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Zhiyuan Cai

Bib: 9855 •M •Age: N/A

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Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 19%
Gender (Male)
#0 / 16340
Top 30%
Masters (Masters Men)
#0 / 10617
Top 15%
Age Group (M50-54)
#0 / 1868
Top 10%
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
20:45
3.11 mi
Rank: #5677
Start → 5K
20:45 | 6:41/mi
10K
41:42
6.21 mi
Rank: #6007 (-330)
5K → 10K
20:57 | 6:45/mi
15K
1:02:49
9.32 mi
Rank: #6227 (-220)
10K → 15K
21:07 | 6:48/mi
20K
1:24:12
12.43 mi
Rank: #6384 (-157)
15K → 20K
21:23 | 6:53/mi
HALF
1:28:47
13.11 mi
Rank: #6379 (+5)
20K → HALF
4:35 | 6:44/mi
25K
1:45:20
15.53 mi
Rank: #6305 (+74)
HALF → 25K
16:33 | 6:50/mi
30K
2:06:58
18.64 mi
Rank: #6124 (+181)
25K → 30K
21:38 | 6:58/mi
20M
2:16:28
20.00 mi
Rank: #6069 (+55)
30K → 20M
9:30 | 7:00/mi
21M
2:23:46
21.00 mi
Rank: #6001 (+68)
20M → 21M
7:18 | 7:18/mi
35K
2:28:54
21.75 mi
Rank: #5994 (+7)
21M → 35K
5:08 | 6:52/mi
23M
2:37:27
23.00 mi
Rank: #5861 (+133)
35K → 23M
8:33 | 6:50/mi
24M
2:44:09
24.00 mi
Rank: #5743 (+118)
23M → 24M
6:42 | 6:42/mi
40K
2:49:45
24.85 mi
Rank: #5576 (+167)
24M → 40K
5:36 | 6:33/mi
25.2M
2:52:22
25.20 mi
Rank: #5576
40K → 25.2M
2:37 | 7:36/mi
FINISH
2:58:51
26.22 mi
Rank: #5430 (+146)
25.2M → FINISH
6:29 | 6:22/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
Time1:28:47
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:30:04
Pace6:53 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:1120:456:4120:45
6:41
-
10K
6.21 mi10:58:0841:426:4320:57
6:45
+0:04
15K
9.32 mi11:19:151:02:496:4521:07
6:48
+0:03
20K
12.43 mi11:40:381:24:126:4721:23
6:53
+0:05
HALF
13.11 mi11:45:131:28:476:474:35
6:44
-0:09
25K
15.53 mi12:01:461:45:206:4716:33
6:50
+0:06
30K
18.64 mi12:23:242:06:586:4921:38
6:58
+0:08
20M
20.00 mi12:32:542:16:286:509:30
7:00
+0:02
21M
21.00 mi12:40:122:23:466:517:18
7:18
+0:18
35K
21.75 mi12:45:202:28:546:515:08
6:52
-0:26
23M
23.00 mi12:53:532:37:276:518:33
6:50
-0:02
24M
24.00 mi13:00:352:44:096:516:42
6:42
-0:08
40K
24.85 mi13:06:112:49:456:505:36
6:33
-0:09
25.2M
25.20 mi13:08:482:52:226:512:37
7:36
+1:03
FINISH
26.22 mi13:15:172:58:516:506:29
6:22
-1:14

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

6:22 /mi

Average Pace

6:50 /mi

Slowest Pace

7:36 /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

2:48:56

94% of race

Time at Steady Pace

7:18

4% of race

Time at Slower Pace

2:37

1% of race

Average Pace: 6:49 /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 mi10:37:1120:456:4120:45
6:41
#5677
10K
6.21 mi10:58:0841:426:4320:57
6:45
#6007
15K
9.32 mi11:19:151:02:496:4521:07
6:48
#6227
20K
12.43 mi11:40:381:24:126:4721:23
6:53
#6384
HALF
13.11 mi11:45:131:28:476:474:35
6:44
#6379
25K
15.53 mi12:01:461:45:206:4716:33
6:50
#6305
30K
18.64 mi12:23:242:06:586:4921:38
6:58
#6124
20M
20.00 mi12:32:542:16:286:509:30
7:00
#6069
21M
21.00 mi12:40:122:23:466:517:18
7:18
#6001
35K
21.75 mi12:45:202:28:546:515:08
6:52
#5994
23M
23.00 mi12:53:532:37:276:518:33
6:50
#5861
24M
24.00 mi13:00:352:44:096:516:42
6:42
#5743
40K
24.85 mi13:06:112:49:456:505:36
6:33
#5576
25.2M
25.20 mi13:08:482:52:226:512:37
7:36
#5576
FINISH
26.22 mi13:15:172:58:516:506:29
6:22
#5430
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 mi5677522152216776(Top 23%)6018(Top 37%)6018(Top 322%)
10K6.21 mi3.10 mi6007-3305480-2595480-2596384(Top 22%)5748(Top 35%)5748(Top 308%)
15K9.32 mi3.11 mi6227-2205643-1635643-1636776(Top 23%)6018(Top 37%)6018(Top 322%)
20K12.43 mi3.11 mi6384-1575753-1105753-1106932(Top 24%)6098(Top 37%)6098(Top 326%)
HALF13.11 mi0.68 mi6379+55749+45749+46318(Top 22%)5662(Top 35%)5662(Top 303%)
25K15.53 mi2.42 mi6305+745675+745675+746008(Top 21%)5371(Top 33%)5371(Top 288%)
30K18.64 mi3.11 mi6124+1815506+1695506+1695620(Top 19%)5023(Top 31%)5023(Top 269%)
20M20.00 mi1.36 mi6069+555450+565450+565486(Top 19%)4871(Top 30%)4871(Top 261%)
21M21.00 mi1.00 mi6001+685387+635387+635255(Top 18%)4598(Top 28%)4598(Top 246%)
35K21.75 mi0.75 mi5994+75376+115376+116087(Top 21%)5221(Top 32%)5221(Top 279%)
23M23.00 mi1.25 mi5861+1335268+1085268+1084319(Top 15%)3857(Top 24%)3857(Top 206%)
24M24.00 mi1.00 mi5743+1185166+1025166+1024453(Top 15%)3925(Top 24%)3925(Top 210%)
40K24.85 mi0.85 mi5576+1675031+1355031+1352815(Top 10%)2582(Top 16%)2582(Top 138%)
25.2M25.20 mi0.35 mi55765029+25029+25704(Top 20%)4720(Top 29%)4720(Top 253%)
FINISH26.22 mi1.02 mi5430+1464899+1304899+1303368(Top 12%)2982(Top 18%)2982(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21
+97ft-345ft

Overall

6776

Males

6018

M50-54

6018

5K→10K

3.1 - 6.2 mi

Top 22%
×5
+79ft-138ft

Overall

6384

Males

5748

M50-54

5748

10K→15K

6.2 - 9.3 mi

Top 23%
×3
+67ft-78ft

Overall

6776

Males

6018

M50-54

6018

15K→20K

9.3 - 12.4 mi

Top 24%
×5
+106ft-86ft

Overall

6932

Males

6098

M50-54

6098

20K→HALF

12.4 - 13.1 mi

Top 22%
×2
+19ft-37ft

Overall

6318

Males

5662

M50-54

5662

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

6008

Males

5371

M50-54

5371

25K→30K

15.5 - 18.6 mi

Top 19%
×9
+181ft-148ft

Overall

5620

Males

5023

M50-54

5023

30K→20M

18.6 - 20.0 mi

Top 19%
×5
+64ft-50ft

Overall

5486

Males

4871

M50-54

4871

20M→21M

20.0 - 21.0 mi

Top 18%
×8
+106ft-24ft

Overall

5255

Males

4598

M50-54

4598

21M→35K

21.0 - 21.8 mi

Top 21%
×7
+17ft-86ft

Overall

6087

Males

5221

M50-54

5221

35K→23M

21.8 - 23.0 mi

Top 15%
×5
+23ft-63ft

Overall

4319

Males

3857

M50-54

3857

23M→24M

23.0 - 24.0 mi

Top 15%
×6
+12ft-82ft

Overall

4453

Males

3925

M50-54

3925

24M→40K

24.0 - 24.9 mi

Top 10%
×1
+6ft-20ft

Overall

2815

Males

2582

M50-54

2582

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1
+13ft-16ft

Overall

5704

Males

4720

M50-54

4720

25.2M→FINISH

25.2 - 26.2 mi

Top 12%
×2
+22ft-21ft

Overall

3368

Males

2982

M50-54

2982

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1521*
Passed By
911
Net Change
+247
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5677
5K → 10K85200-330#5677#6007
10K → 15K68200-220#6007#6227
15K → 20K103200-157#6227#6384
20K → HALF2419+5#6384#6379
HALF → 25K13460+74#6379#6305
25K → 30K245*64+181#6305#6124
30K → 20M9237+55#6124#6069
20M → 21M10436+68#6069#6001
21M → 35K4235+7#6001#5994
35K → 23M14613+133#5994#5861
23M → 24M13012+118#5861#5743
24M → 40K1681+167#5743#5576
40K → 25.2M24240#5576#5576
25.2M → FINISH15610+146#5576#5430
TOTALS1521*911+247

* 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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