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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Huayuan Sun

Bib: 22047 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 44%
Masters (Masters Women)
#0 / 6862
Top 29%
Age Group (F45-49)
#0 / 1786
Top 35%
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
24:17
3.11 mi
Rank: #15574
Start → 5K
24:17 | 7:49/mi
10K
48:33
6.21 mi
Rank: #15623 (-49)
5K → 10K
24:16 | 7:49/mi
15K
1:13:07
9.32 mi
Rank: #15803 (-180)
10K → 15K
24:34 | 7:55/mi
20K
1:38:18
12.43 mi
Rank: #16100 (-297)
15K → 20K
25:11 | 8:07/mi
HALF
1:43:50
13.11 mi
Rank: #16204 (-104)
20K → HALF
5:32 | 8:08/mi
25K
2:03:57
15.53 mi
Rank: #16405 (-201)
HALF → 25K
20:07 | 8:18/mi
30K
2:30:49
18.64 mi
Rank: #16651 (-246)
25K → 30K
26:52 | 8:39/mi
20M
2:42:25
20.00 mi
Rank: #16619 (+32)
30K → 20M
11:36 | 8:33/mi
21M
2:51:25
21.00 mi
Rank: #16550 (+69)
20M → 21M
9:00 | 9:00/mi
35K
2:57:29
21.75 mi
Rank: #16473 (+77)
21M → 35K
6:04 | 8:07/mi
23M
3:08:04
23.00 mi
Rank: #16378 (+95)
35K → 23M
10:35 | 8:28/mi
24M
3:15:58
24.00 mi
Rank: #16205 (+173)
23M → 24M
7:54 | 7:54/mi
40K
3:22:56
24.85 mi
Rank: #16100 (+105)
24M → 40K
6:58 | 8:09/mi
25.2M
3:25:40
25.20 mi
Rank: #15969 (+131)
40K → 25.2M
2:44 | 7:56/mi
FINISH
3:33:45
26.22 mi
Rank: #15911 (+58)
25.2M → FINISH
8:05 | 7:56/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
Time1:43:50
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:49:55
Pace8:24 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4524:177:4924:17
7:49
-
10K
6.21 mi11:50:0148:337:4924:16
7:49
0:00
15K
9.32 mi12:14:351:13:077:5124:34
7:55
+0:06
20K
12.43 mi12:39:461:38:187:5525:11
8:07
+0:12
HALF
13.11 mi12:45:181:43:507:565:32
8:08
+0:01
25K
15.53 mi13:05:252:03:577:5920:07
8:18
+0:10
30K
18.64 mi13:32:172:30:498:0626:52
8:39
+0:21
20M
20.00 mi13:43:532:42:258:0811:36
8:33
-0:06
21M
21.00 mi13:52:532:51:258:109:00
9:00
+0:27
35K
21.75 mi13:58:572:57:298:106:04
8:07
-0:53
23M
23.00 mi14:09:323:08:048:1110:35
8:28
+0:21
24M
24.00 mi14:17:263:15:588:107:54
7:54
-0:34
40K
24.85 mi14:24:243:22:568:106:58
8:09
+0:15
25.2M
25.20 mi14:27:083:25:408:102:44
7:56
-0:13
FINISH
26.22 mi14:35:133:33:458:108:05
7:56
0:00

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

7:49 /mi

Average Pace

8:10 /mi

Slowest Pace

9:00 /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

2:57:53

83% of race

Time at Steady Pace

35:52

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:25:4524:177:4924:17
7:49
#15574
10K
6.21 mi11:50:0148:337:4924:16
7:49
#15623
15K
9.32 mi12:14:351:13:077:5124:34
7:55
#15803
20K
12.43 mi12:39:461:38:187:5525:11
8:07
#16100
HALF
13.11 mi12:45:181:43:507:565:32
8:08
#16204
25K
15.53 mi13:05:252:03:577:5920:07
8:18
#16405
30K
18.64 mi13:32:172:30:498:0626:52
8:39
#16651
20M
20.00 mi13:43:532:42:258:0811:36
8:33
#16619
21M
21.00 mi13:52:532:51:258:109:00
9:00
#16550
35K
21.75 mi13:58:572:57:298:106:04
8:07
#16473
23M
23.00 mi14:09:323:08:048:1110:35
8:28
#16378
24M
24.00 mi14:17:263:15:588:107:54
7:54
#16205
40K
24.85 mi14:24:243:22:568:106:58
8:09
#16100
25.2M
25.20 mi14:27:083:25:408:102:44
7:56
#15969
FINISH
26.22 mi14:35:133:33:458:108:05
7:56
#15911
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi155745047504716282(Top 56%)5496(Top 44%)5496(Top 308%)
10K6.21 mi3.10 mi15623-495099-525099-5215751(Top 54%)5168(Top 41%)5168(Top 289%)
15K9.32 mi3.11 mi15803-1805210-1115210-11116282(Top 56%)5496(Top 44%)5496(Top 308%)
20K12.43 mi3.11 mi16100-2975410-2005410-20016885(Top 58%)5871(Top 47%)5871(Top 329%)
HALF13.11 mi0.68 mi16204-1045472-625472-6217904(Top 62%)6394(Top 51%)6394(Top 358%)
25K15.53 mi2.42 mi16405-2015596-1245596-12417400(Top 60%)6222(Top 49%)6222(Top 348%)
30K18.64 mi3.11 mi16651-2465781-1855781-18517730(Top 61%)6524(Top 52%)6524(Top 365%)
20M20.00 mi1.36 mi16619+325775+65775+616450(Top 57%)5887(Top 47%)5887(Top 330%)
21M21.00 mi1.00 mi16550+695741+345741+3416140(Top 56%)5761(Top 46%)5761(Top 323%)
35K21.75 mi0.75 mi16473+775706+355706+3515256(Top 53%)5329(Top 42%)5329(Top 298%)
23M23.00 mi1.25 mi16378+955691+155691+1515460(Top 53%)5527(Top 44%)5527(Top 309%)
24M24.00 mi1.00 mi16205+1735614+775614+7713074(Top 45%)4302(Top 34%)4302(Top 241%)
40K24.85 mi0.85 mi16100+1055574+405574+4013493(Top 46%)4614(Top 37%)4614(Top 258%)
25.2M25.20 mi0.35 mi15969+1315508+665508+668057(Top 28%)1937(Top 15%)1937(Top 108%)
FINISH26.22 mi1.02 mi15911+585488+205488+2014665(Top 51%)5273(Top 42%)5273(Top 295%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16282

Females

5496

F45-49

5496

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15751

Females

5168

F45-49

5168

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16282

Females

5496

F45-49

5496

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16885

Females

5871

F45-49

5871

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

17904

Females

6394

F45-49

6394

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17400

Females

6222

F45-49

6222

25K→30K

15.5 - 18.6 mi

Top 61%
×9
+181ft-148ft

Overall

17730

Females

6524

F45-49

6524

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16450

Females

5887

F45-49

5887

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16140

Females

5761

F45-49

5761

21M→35K

21.0 - 21.8 mi

Top 53%
×7
+17ft-86ft

Overall

15256

Females

5329

F45-49

5329

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15460

Females

5527

F45-49

5527

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13074

Females

4302

F45-49

4302

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13493

Females

4614

F45-49

4614

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8057

Females

1937

F45-49

1937

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14665

Females

5273

F45-49

5273

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1660
Passed By
1363
Net Change
-337
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15574
5K → 10K200200-49#15574#15623
10K → 15K137200-180#15623#15803
15K → 20K97200-297#15803#16100
20K → HALF12116-104#16100#16204
HALF → 25K104200-201#16204#16405
25K → 30K123200-246#16405#16651
30K → 20M9462+32#16651#16619
20M → 21M13061+69#16619#16550
21M → 35K10528+77#16550#16473
35K → 23M13843+95#16473#16378
23M → 24M1774+173#16378#16205
24M → 40K12621+105#16205#16100
40K → 25.2M1310+131#16100#15969
25.2M → FINISH8628+58#15969#15911
TOTALS16601363-337
📊

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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