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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Shu Sun

Bib: 13106 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 47%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 50%
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds
Personalized for Shu

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 · 7:10/mi at mile 6.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
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
22:22
3.11 mi
Rank: #10163
Start → 5K
22:22 | 7:12/mi
10K
44:37
6.21 mi
Rank: #10020 (+143)
5K → 10K
22:15 | 7:10/mi
15K
1:07:11
9.32 mi
Rank: #10220 (-200)
10K → 15K
22:34 | 7:16/mi
20K
1:31:04
12.43 mi
Rank: #11097 (-877)
15K → 20K
23:53 | 7:42/mi
HALF
1:36:30
13.11 mi
Rank: #11400 (-303)
20K → HALF
5:26 | 7:59/mi
25K
1:55:38
15.53 mi
Rank: #11925 (-525)
HALF → 25K
19:08 | 7:54/mi
30K
2:19:40
18.64 mi
Rank: #11822 (+103)
25K → 30K
24:02 | 7:45/mi
20M
2:31:36
20.00 mi
Rank: #12323 (-501)
30K → 20M
11:56 | 8:48/mi
21M
2:41:56
21.00 mi
Rank: #13043 (-720)
20M → 21M
10:20 | 10:20/mi
35K
2:49:09
21.75 mi
Rank: #13513 (-470)
21M → 35K
7:13 | 9:39/mi
23M
3:00:57
23.00 mi
Rank: #14047 (-534)
35K → 23M
11:48 | 9:26/mi
24M
3:09:01
24.00 mi
Rank: #14056 (-9)
23M → 24M
8:04 | 8:04/mi
40K
3:15:49
24.85 mi
Rank: #13970 (+86)
24M → 40K
6:48 | 7:58/mi
25.2M
3:18:50
25.20 mi
Rank: #13960 (+10)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:26:13
26.22 mi
Rank: #13769 (+191)
25.2M → FINISH
7:23 | 7:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:30
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:49:43
Pace8:23 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4622:227:1222:22
7:12
-
10K
6.21 mi11:13:0144:377:1122:15
7:10
-0:02
15K
9.32 mi11:35:351:07:117:1322:34
7:16
+0:06
20K
12.43 mi11:59:281:31:047:2023:53
7:42
+0:26
HALF
13.11 mi12:04:541:36:307:225:26
7:59
+0:17
25K
15.53 mi12:24:021:55:387:2719:08
7:54
-0:05
30K
18.64 mi12:48:042:19:407:3024:02
7:45
-0:09
20M
20.00 mi13:00:002:31:367:3511:56
8:48
+1:03
21M
21.00 mi13:10:202:41:567:4310:20
10:20
+1:32
35K
21.75 mi13:17:332:49:097:477:13
9:39
-0:41
23M
23.00 mi13:29:213:00:577:5311:48
9:26
-0:13
24M
24.00 mi13:37:253:09:017:538:04
8:04
-1:22
40K
24.85 mi13:44:133:15:497:536:48
7:58
-0:06
25.2M
25.20 mi13:47:143:18:507:543:01
8:45
+0:47
FINISH
26.22 mi13:54:373:26:137:537:23
7:15
-1:30

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

7:10 /mi

Average Pace

7:52 /mi

Slowest Pace

10:20 /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

1:14:34

36% of race

Time at Steady Pace

1:27:21

42% of race

Time at Slower Pace

44:18

21% of race

Average Pace: 7:52 /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 mi10:50:4622:227:1222:22
7:12
#10163
10K
6.21 mi11:13:0144:377:1122:15
7:10
#10020
15K
9.32 mi11:35:351:07:117:1322:34
7:16
#10220
20K
12.43 mi11:59:281:31:047:2023:53
7:42
#11097
HALF
13.11 mi12:04:541:36:307:225:26
7:59
#11400
25K
15.53 mi12:24:021:55:387:2719:08
7:54
#11925
30K
18.64 mi12:48:042:19:407:3024:02
7:45
#11822
20M
20.00 mi13:00:002:31:367:3511:56
8:48
#12323
21M
21.00 mi13:10:202:41:567:4310:20
10:20
#13043
35K
21.75 mi13:17:332:49:097:477:13
9:39
#13513
23M
23.00 mi13:29:213:00:577:5311:48
9:26
#14047
24M
24.00 mi13:37:253:09:017:538:04
8:04
#14056
40K
24.85 mi13:44:133:15:497:536:48
7:58
#13970
25.2M
25.20 mi13:47:143:18:507:543:01
8:45
#13960
FINISH
26.22 mi13:54:373:26:137:537:23
7:15
#13769
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 mi101638171817110695(Top 37%)8345(Top 51%)8345(Top 447%)
10K6.21 mi3.10 mi10020+1438082+898082+899918(Top 34%)8016(Top 49%)8016(Top 429%)
15K9.32 mi3.11 mi10220-2008163-818163-8110695(Top 37%)8345(Top 51%)8345(Top 447%)
20K12.43 mi3.11 mi11097-8778544-3818544-38113603(Top 47%)9562(Top 59%)9562(Top 512%)
HALF13.11 mi0.68 mi11400-3038684-1408684-14016841(Top 58%)10928(Top 67%)10928(Top 585%)
25K15.53 mi2.42 mi11925-5258888-2048888-20414503(Top 50%)9871(Top 60%)9871(Top 528%)
30K18.64 mi3.11 mi11822+1038793+958793+9511507(Top 40%)8437(Top 52%)8437(Top 452%)
20M20.00 mi1.36 mi12323-5018984-1918984-19117856(Top 62%)11108(Top 68%)11108(Top 595%)
21M21.00 mi1.00 mi13043-7209272-2889272-28821476(Top 74%)12762(Top 78%)12762(Top 683%)
35K21.75 mi0.75 mi13513-4709467-1959467-19522173(Top 76%)13044(Top 80%)13044(Top 698%)
23M23.00 mi1.25 mi14047-5349668-2019668-20120345(Top 70%)12126(Top 74%)12126(Top 649%)
24M24.00 mi1.00 mi14056-99649+199649+1914174(Top 49%)9228(Top 56%)9228(Top 494%)
40K24.85 mi0.85 mi13970+869589+609589+6012169(Top 42%)8259(Top 51%)8259(Top 442%)
25.2M25.20 mi0.35 mi13960+109569+209569+2013158(Top 45%)8666(Top 53%)8666(Top 464%)
FINISH26.22 mi1.02 mi13769+1919472+979472+979466(Top 33%)6850(Top 42%)6850(Top 367%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21
+97ft-345ft

Overall

10695

Males

8345

M50-54

8345

5K→10K

3.1 - 6.2 mi

Top 34%
×5
+79ft-138ft

Overall

9918

Males

8016

M50-54

8016

10K→15K

6.2 - 9.3 mi

Top 37%
×3
+67ft-78ft

Overall

10695

Males

8345

M50-54

8345

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13603

Males

9562

M50-54

9562

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16841

Males

10928

M50-54

10928

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14503

Males

9871

M50-54

9871

25K→30K

15.5 - 18.6 mi

Top 40%
×9
+181ft-148ft

Overall

11507

Males

8437

M50-54

8437

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17856

Males

11108

M50-54

11108

20M→21M

20.0 - 21.0 mi

Top 74%
×8
+106ft-24ft

Overall

21476

Males

12762

M50-54

12762

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

22173

Males

13044

M50-54

13044

35K→23M

21.8 - 23.0 mi

Top 70%
×5
+23ft-63ft

Overall

20345

Males

12126

M50-54

12126

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14174

Males

9228

M50-54

9228

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12169

Males

8259

M50-54

8259

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13158

Males

8666

M50-54

8666

25.2M→FINISH

25.2 - 26.2 mi

Top 33%
×2
+22ft-21ft

Overall

9466

Males

6850

M50-54

6850

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1186*
Passed By
2023
Net Change
-3606
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10163
5K → 10K318*175+143#10163#10020
10K → 15K104200-200#10020#10220
15K → 20K27200-877#10220#11097
20K → HALF6200-303#11097#11400
HALF → 25K35200-525#11400#11925
25K → 30K224*121+103#11925#11822
30K → 20M22200-501#11822#12323
20M → 21M12200-720#12323#13043
21M → 35K10200-470#13043#13513
35K → 23M23200-534#13513#14047
23M → 24M6473-9#14047#14056
24M → 40K10923+86#14056#13970
40K → 25.2M3323+10#13970#13960
25.2M → FINISH1998+191#13960#13769
TOTALS1186*2023-3606

* 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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