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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Haiyan Su

Bib: 21392 •F •Age: N/A

NJ

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Masters (Masters Women)
#0 / 6862
Top 28%
Age Group (F50-54)
#0 / 1233
Top 21%
Race Day Weather
51°/41°F
overcast clouds
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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
24:21
3.11 mi
Rank: #15742
Start → 5K
24:21 | 7:51/mi
10K
48:51
6.21 mi
Rank: #16001 (-259)
5K → 10K
24:30 | 7:54/mi
15K
1:14:25
9.32 mi
Rank: #16925 (-924)
10K → 15K
25:34 | 8:14/mi
20K
1:39:36
12.43 mi
Rank: #16904 (+21)
15K → 20K
25:11 | 8:07/mi
HALF
1:45:01
13.11 mi
Rank: #16886 (+18)
20K → HALF
5:25 | 7:57/mi
25K
2:04:41
15.53 mi
Rank: #16770 (+116)
HALF → 25K
19:40 | 8:07/mi
30K
2:30:32
18.64 mi
Rank: #16550 (+220)
25K → 30K
25:51 | 8:20/mi
20M
2:41:54
20.00 mi
Rank: #16433 (+117)
30K → 20M
11:22 | 8:23/mi
21M
2:50:26
21.00 mi
Rank: #16212 (+221)
20M → 21M
8:32 | 8:32/mi
35K
2:56:34
21.75 mi
Rank: #16181 (+31)
21M → 35K
6:08 | 8:12/mi
23M
3:06:55
23.00 mi
Rank: #16033 (+148)
35K → 23M
10:21 | 8:17/mi
24M
3:15:03
24.00 mi
Rank: #15968 (+65)
23M → 24M
8:08 | 8:08/mi
40K
3:21:47
24.85 mi
Rank: #15812 (+156)
24M → 40K
6:44 | 7:53/mi
25.2M
3:24:43
25.20 mi
Rank: #15732 (+80)
40K → 25.2M
2:56 | 8:31/mi
FINISH
3:32:41
26.22 mi
Rank: #15669 (+63)
25.2M → FINISH
7:58 | 7:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:01
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:47:40
Pace8:13 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4324:217:5124:21
7:51
-
10K
6.21 mi11:50:1348:517:5224:30
7:54
+0:03
15K
9.32 mi12:15:471:14:258:0025:34
8:14
+0:20
20K
12.43 mi12:40:581:39:368:0125:11
8:07
-0:07
HALF
13.11 mi12:46:231:45:018:015:25
7:57
-0:10
25K
15.53 mi13:06:032:04:418:0219:40
8:07
+0:10
30K
18.64 mi13:31:542:30:328:0525:51
8:20
+0:13
20M
20.00 mi13:43:162:41:548:0611:22
8:23
+0:03
21M
21.00 mi13:51:482:50:268:078:32
8:32
+0:09
35K
21.75 mi13:57:562:56:348:086:08
8:12
-0:20
23M
23.00 mi14:08:173:06:558:0810:21
8:17
+0:05
24M
24.00 mi14:16:253:15:038:088:08
8:08
-0:09
40K
24.85 mi14:23:093:21:478:086:44
7:53
-0:15
25.2M
25.20 mi14:26:053:24:438:082:56
8:31
+0:38
FINISH
26.22 mi14:34:033:32:418:087:58
7:50
-0:41

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

7:50 /mi

Average Pace

8:07 /mi

Slowest Pace

8:32 /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

2:08:05

60% of race

Time at Steady Pace

1:24:36

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi11:25:4324:217:5124:21
7:51
#15742
10K
6.21 mi11:50:1348:517:5224:30
7:54
#16001
15K
9.32 mi12:15:471:14:258:0025:34
8:14
#16925
20K
12.43 mi12:40:581:39:368:0125:11
8:07
#16904
HALF
13.11 mi12:46:231:45:018:015:25
7:57
#16886
25K
15.53 mi13:06:032:04:418:0219:40
8:07
#16770
30K
18.64 mi13:31:542:30:328:0525:51
8:20
#16550
20M
20.00 mi13:43:162:41:548:0611:22
8:23
#16433
21M
21.00 mi13:51:482:50:268:078:32
8:32
#16212
35K
21.75 mi13:57:562:56:348:086:08
8:12
#16181
23M
23.00 mi14:08:173:06:558:0810:21
8:17
#16033
24M
24.00 mi14:16:253:15:038:088:08
8:08
#15968
40K
24.85 mi14:23:093:21:478:086:44
7:53
#15812
25.2M
25.20 mi14:26:053:24:438:082:56
8:31
#15732
FINISH
26.22 mi14:34:033:32:418:087:58
7:50
#15669
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi157425150515018540(Top 64%)6777(Top 54%)6777(Top 550%)
10K6.21 mi3.10 mi16001-2595336-1865336-18616352(Top 56%)5525(Top 44%)5525(Top 448%)
15K9.32 mi3.11 mi16925-9245881-5455881-54518540(Top 64%)6777(Top 54%)6777(Top 550%)
20K12.43 mi3.11 mi16904+215878+35878+316884(Top 58%)5870(Top 47%)5870(Top 476%)
HALF13.11 mi0.68 mi16886+185866+125866+1216756(Top 58%)5763(Top 46%)5763(Top 467%)
25K15.53 mi2.42 mi16770+1165806+605806+6016206(Top 56%)5538(Top 44%)5538(Top 449%)
30K18.64 mi3.11 mi16550+2205727+795727+7915770(Top 54%)5400(Top 43%)5400(Top 438%)
20M20.00 mi1.36 mi16433+1175672+555672+5515365(Top 53%)5284(Top 42%)5284(Top 429%)
21M21.00 mi1.00 mi16212+2215570+1025570+10213381(Top 46%)4261(Top 34%)4261(Top 346%)
35K21.75 mi0.75 mi16181+315567+35567+315818(Top 55%)5647(Top 45%)5647(Top 458%)
23M23.00 mi1.25 mi16033+1485505+625505+6214296(Top 49%)4874(Top 39%)4874(Top 395%)
24M24.00 mi1.00 mi15968+655485+205485+2014682(Top 51%)5166(Top 41%)5166(Top 419%)
40K24.85 mi0.85 mi15812+1565405+805405+8011672(Top 40%)3615(Top 29%)3615(Top 293%)
25.2M25.20 mi0.35 mi15732+805365+405365+4011794(Top 41%)3781(Top 30%)3781(Top 307%)
FINISH26.22 mi1.02 mi15669+635355+105355+1013942(Top 48%)4895(Top 39%)4895(Top 397%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18540

Females

6777

F50-54

6777

5K→10K

3.1 - 6.2 mi

Top 56%
×5
+79ft-138ft

Overall

16352

Females

5525

F50-54

5525

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18540

Females

6777

F50-54

6777

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16884

Females

5870

F50-54

5870

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16756

Females

5763

F50-54

5763

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16206

Females

5538

F50-54

5538

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15770

Females

5400

F50-54

5400

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15365

Females

5284

F50-54

5284

20M→21M

20.0 - 21.0 mi

Top 46%
×8
+106ft-24ft

Overall

13381

Females

4261

F50-54

4261

21M→35K

21.0 - 21.8 mi

Top 55%
×7
+17ft-86ft

Overall

15818

Females

5647

F50-54

5647

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14296

Females

4874

F50-54

4874

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14682

Females

5166

F50-54

5166

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11672

Females

3615

F50-54

3615

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1
+13ft-16ft

Overall

11794

Females

3781

F50-54

3781

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13942

Females

4895

F50-54

4895

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2000*
Passed By
933
Net Change
+73
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15742
5K → 10K179200-259#15742#16001
10K → 15K32200-924#16001#16925
15K → 20K187166+21#16925#16904
20K → HALF4830+18#16904#16886
HALF → 25K18771+116#16886#16770
25K → 30K307*87+220#16770#16550
30K → 20M14932+117#16550#16433
20M → 21M229*8+221#16433#16212
21M → 35K7443+31#16212#16181
35K → 23M17628+148#16181#16033
23M → 24M9530+65#16033#15968
24M → 40K1604+156#15968#15812
40K → 25.2M844+80#15812#15732
25.2M → FINISH9330+63#15732#15669
TOTALS2000*933+73

* 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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