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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Zhaolin Cheng

Bib: 9135 •M •Age: N/A

NY

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 22%
Gender (Male)
#0 / 16340
Top 34%
Masters (Masters Men)
#0 / 10617
Top 19%
Age Group (M50-54)
#0 / 1868
Top 14%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Zhaolin

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 6:45/mi at mile 15.5

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
21:32
3.11 mi
Rank: #7978
Start → 5K
21:32 | 6:56/mi
10K
42:51
6.21 mi
Rank: #7790 (+188)
5K → 10K
21:19 | 6:52/mi
15K
1:04:16
9.32 mi
Rank: #7762 (+28)
10K → 15K
21:25 | 6:54/mi
20K
1:25:44
12.43 mi
Rank: #7577 (+185)
15K → 20K
21:28 | 6:55/mi
HALF
1:30:24
13.11 mi
Rank: #7566 (+11)
20K → HALF
4:40 | 6:51/mi
25K
1:46:45
15.53 mi
Rank: #7154 (+412)
HALF → 25K
16:21 | 6:45/mi
30K
2:08:15
18.64 mi
Rank: #6775 (+379)
25K → 30K
21:30 | 6:56/mi
20M
2:17:42
20.00 mi
Rank: #6633 (+142)
30K → 20M
9:27 | 6:58/mi
21M
2:25:02
21.00 mi
Rank: #6523 (+110)
20M → 21M
7:20 | 7:20/mi
35K
2:30:07
21.75 mi
Rank: #6473 (+50)
21M → 35K
5:05 | 6:48/mi
23M
2:38:56
23.00 mi
Rank: #6404 (+69)
35K → 23M
8:49 | 7:03/mi
24M
2:45:50
24.00 mi
Rank: #6351 (+53)
23M → 24M
6:54 | 6:54/mi
40K
2:51:54
24.85 mi
Rank: #6306 (+45)
24M → 40K
6:04 | 7:06/mi
25.2M
2:54:32
25.20 mi
Rank: #6285 (+21)
40K → 25.2M
2:38 | 7:39/mi
FINISH
3:01:32
26.22 mi
Rank: #6256 (+29)
25.2M → FINISH
7:00 | 6:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:30:24
Pace6:54 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:31:08
Pace6:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:0521:326:5621:32
6:56
-
10K
6.21 mi10:58:2442:516:5421:19
6:52
-0:04
15K
9.32 mi11:19:491:04:166:5421:25
6:54
+0:02
20K
12.43 mi11:41:171:25:446:5421:28
6:55
+0:01
HALF
13.11 mi11:45:571:30:246:544:40
6:51
-0:04
25K
15.53 mi12:02:181:46:456:5316:21
6:45
-0:06
30K
18.64 mi12:23:482:08:156:5321:30
6:56
+0:11
20M
20.00 mi12:33:152:17:426:549:27
6:58
+0:02
21M
21.00 mi12:40:352:25:026:557:20
7:20
+0:22
35K
21.75 mi12:45:402:30:076:555:05
6:48
-0:32
23M
23.00 mi12:54:292:38:566:558:49
7:03
+0:15
24M
24.00 mi13:01:232:45:506:556:54
6:54
-0:09
40K
24.85 mi13:07:272:51:546:556:04
7:06
+0:12
25.2M
25.20 mi13:10:052:54:326:562:38
7:39
+0:33
FINISH
26.22 mi13:17:053:01:326:567:00
6:53
-0:46

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

6:45 /mi

Average Pace

6:56 /mi

Slowest Pace

7:39 /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

2:58:54

99% of race

Time at Steady Pace

2:38

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:55 /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 mi10:37:0521:326:5621:32
6:56
#7978
10K
6.21 mi10:58:2442:516:5421:19
6:52
#7790
15K
9.32 mi11:19:491:04:166:5421:25
6:54
#7762
20K
12.43 mi11:41:171:25:446:5421:28
6:55
#7577
HALF
13.11 mi11:45:571:30:246:544:40
6:51
#7566
25K
15.53 mi12:02:181:46:456:5316:21
6:45
#7154
30K
18.64 mi12:23:482:08:156:5321:30
6:56
#6775
20M
20.00 mi12:33:152:17:426:549:27
6:58
#6633
21M
21.00 mi12:40:352:25:026:557:20
7:20
#6523
35K
21.75 mi12:45:402:30:076:555:05
6:48
#6473
23M
23.00 mi12:54:292:38:566:558:49
7:03
#6404
24M
24.00 mi13:01:232:45:506:556:54
6:54
#6351
40K
24.85 mi13:07:272:51:546:556:04
7:06
#6306
25.2M
25.20 mi13:10:052:54:326:562:38
7:39
#6285
FINISH
26.22 mi13:17:053:01:326:567:00
6:53
#6256
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 mi7978688068807706(Top 27%)6665(Top 41%)6665(Top 357%)
10K6.21 mi3.10 mi7790+1886750+1306750+1307569(Top 26%)6602(Top 40%)6602(Top 353%)
15K9.32 mi3.11 mi7762+286722+286722+287706(Top 27%)6665(Top 41%)6665(Top 357%)
20K12.43 mi3.11 mi7577+1856591+1316591+1317152(Top 25%)6259(Top 38%)6259(Top 335%)
HALF13.11 mi0.68 mi7566+116590+16590+17437(Top 26%)6470(Top 40%)6470(Top 346%)
25K15.53 mi2.42 mi7154+4126287+3036287+3035270(Top 18%)4814(Top 29%)4814(Top 258%)
30K18.64 mi3.11 mi6775+3796004+2836004+2835312(Top 18%)4777(Top 29%)4777(Top 256%)
20M20.00 mi1.36 mi6633+1425886+1185886+1185273(Top 18%)4709(Top 29%)4709(Top 252%)
21M21.00 mi1.00 mi6523+1105794+925794+925477(Top 19%)4767(Top 29%)4767(Top 255%)
35K21.75 mi0.75 mi6473+505753+415753+415649(Top 19%)4919(Top 30%)4919(Top 263%)
23M23.00 mi1.25 mi6404+695684+695684+695748(Top 20%)4933(Top 30%)4933(Top 264%)
24M24.00 mi1.00 mi6351+535633+515633+515792(Top 20%)4894(Top 30%)4894(Top 262%)
40K24.85 mi0.85 mi6306+455592+415592+416085(Top 21%)5044(Top 31%)5044(Top 270%)
25.2M25.20 mi0.35 mi6285+215570+225570+225998(Top 21%)4917(Top 30%)4917(Top 263%)
FINISH26.22 mi1.02 mi6256+295535+355535+356581(Top 23%)5241(Top 32%)5241(Top 281%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21
+97ft-345ft

Overall

7706

Males

6665

M50-54

6665

5K→10K

3.1 - 6.2 mi

Top 26%
×5
+79ft-138ft

Overall

7569

Males

6602

M50-54

6602

10K→15K

6.2 - 9.3 mi

Top 27%
×3
+67ft-78ft

Overall

7706

Males

6665

M50-54

6665

15K→20K

9.3 - 12.4 mi

Top 25%
×5
+106ft-86ft

Overall

7152

Males

6259

M50-54

6259

20K→HALF

12.4 - 13.1 mi

Top 26%
×2
+19ft-37ft

Overall

7437

Males

6470

M50-54

6470

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5270

Males

4814

M50-54

4814

25K→30K

15.5 - 18.6 mi

Top 18%
×9
+181ft-148ft

Overall

5312

Males

4777

M50-54

4777

30K→20M

18.6 - 20.0 mi

Top 18%
×5
+64ft-50ft

Overall

5273

Males

4709

M50-54

4709

20M→21M

20.0 - 21.0 mi

Top 19%
×8
+106ft-24ft

Overall

5477

Males

4767

M50-54

4767

21M→35K

21.0 - 21.8 mi

Top 19%
×7
+17ft-86ft

Overall

5649

Males

4919

M50-54

4919

35K→23M

21.8 - 23.0 mi

Top 20%
×5
+23ft-63ft

Overall

5748

Males

4933

M50-54

4933

23M→24M

23.0 - 24.0 mi

Top 20%
×6
+12ft-82ft

Overall

5792

Males

4894

M50-54

4894

24M→40K

24.0 - 24.9 mi

Top 21%
×1
+6ft-20ft

Overall

6085

Males

5044

M50-54

5044

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1
+13ft-16ft

Overall

5998

Males

4917

M50-54

4917

25.2M→FINISH

25.2 - 26.2 mi

Top 23%
×2
+22ft-21ft

Overall

6581

Males

5241

M50-54

5241

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2229*
Passed By
507
Net Change
+1722
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7978
5K → 10K306*118+188#7978#7790
10K → 15K154126+28#7790#7762
15K → 20K235*50+185#7762#7577
20K → HALF2918+11#7577#7566
HALF → 25K415*3+412#7566#7154
25K → 30K394*15+379#7154#6775
30K → 20M15816+142#6775#6633
20M → 21M12111+110#6633#6523
21M → 35K6919+50#6523#6473
35K → 23M10334+69#6473#6404
23M → 24M7825+53#6404#6351
24M → 40K7126+45#6351#6306
40K → 25.2M3110+21#6306#6285
25.2M → FINISH6536+29#6285#6256
TOTALS2229*507+1722

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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