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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sang Eun Lee

Bib: 15941 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
25:31
3.11 mi
Rank: #18307
Start → 5K
25:31 | 8:13/mi
10K
51:49
6.21 mi
Rank: #19266 (-959)
5K → 10K
26:18 | 8:28/mi
15K
1:18:01
9.32 mi
Rank: #19418 (-152)
10K → 15K
26:12 | 8:26/mi
20K
1:44:22
12.43 mi
Rank: #19358 (+60)
15K → 20K
26:21 | 8:29/mi
HALF
1:50:03
13.11 mi
Rank: #19357 (+1)
20K → HALF
5:41 | 8:21/mi
25K
2:11:02
15.53 mi
Rank: #19355 (+2)
HALF → 25K
20:59 | 8:40/mi
30K
2:39:06
18.64 mi
Rank: #19426 (-71)
25K → 30K
28:04 | 9:03/mi
20M
2:51:24
20.00 mi
Rank: #19389 (+37)
30K → 20M
12:18 | 9:04/mi
21M
3:00:42
21.00 mi
Rank: #19273 (+116)
20M → 21M
9:18 | 9:18/mi
35K
3:07:06
21.75 mi
Rank: #19198 (+75)
21M → 35K
6:24 | 8:34/mi
23M
3:18:05
23.00 mi
Rank: #19099 (+99)
35K → 23M
10:59 | 8:47/mi
24M
3:26:16
24.00 mi
Rank: #18916 (+183)
23M → 24M
8:11 | 8:11/mi
40K
3:33:27
24.85 mi
Rank: #18771 (+145)
24M → 40K
7:11 | 8:25/mi
25.2M
3:36:38
25.20 mi
Rank: #18731 (+40)
40K → 25.2M
3:11 | 9:14/mi
FINISH
3:44:54
26.22 mi
Rank: #18614 (+117)
25.2M → FINISH
8:16 | 8:07/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
Time1:50:03
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:54:51
Pace8:46 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:2225:318:1325:31
8:13
-
10K
6.21 mi11:36:4051:498:2126:18
8:28
+0:15
15K
9.32 mi12:02:521:18:018:2326:12
8:26
-0:02
20K
12.43 mi12:29:131:44:228:2426:21
8:29
+0:03
HALF
13.11 mi12:34:541:50:038:245:41
8:21
-0:08
25K
15.53 mi12:55:532:11:028:2720:59
8:40
+0:19
30K
18.64 mi13:23:572:39:068:3328:04
9:03
+0:23
20M
20.00 mi13:36:152:51:248:3512:18
9:04
+0:01
21M
21.00 mi13:45:333:00:428:379:18
9:18
+0:14
35K
21.75 mi13:51:573:07:068:376:24
8:34
-0:44
23M
23.00 mi14:02:563:18:058:3710:59
8:47
+0:13
24M
24.00 mi14:11:073:26:168:368:11
8:11
-0:36
40K
24.85 mi14:18:183:33:278:367:11
8:25
+0:14
25.2M
25.20 mi14:21:293:36:388:363:11
9:14
+0:49
FINISH
26.22 mi14:29:453:44:548:368:16
8:07
-1:07

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

8:07 /mi

Average Pace

8:35 /mi

Slowest Pace

9:18 /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

2:52:03

77% of race

Time at Steady Pace

52:51

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:35 /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 mi11:10:2225:318:1325:31
8:13
#18307
10K
6.21 mi11:36:4051:498:2126:18
8:28
#19266
15K
9.32 mi12:02:521:18:018:2326:12
8:26
#19418
20K
12.43 mi12:29:131:44:228:2426:21
8:29
#19358
HALF
13.11 mi12:34:541:50:038:245:41
8:21
#19357
25K
15.53 mi12:55:532:11:028:2720:59
8:40
#19355
30K
18.64 mi13:23:572:39:068:3328:04
9:03
#19426
20M
20.00 mi13:36:152:51:248:3512:18
9:04
#19389
21M
21.00 mi13:45:333:00:428:379:18
9:18
#19273
35K
21.75 mi13:51:573:07:068:376:24
8:34
#19198
23M
23.00 mi14:02:563:18:058:3710:59
8:47
#19099
24M
24.00 mi14:11:073:26:168:368:11
8:11
#18916
40K
24.85 mi14:18:183:33:278:367:11
8:25
#18771
25.2M
25.20 mi14:21:293:36:388:363:11
9:14
#18731
FINISH
26.22 mi14:29:453:44:548:368:16
8:07
#18614
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi183076689668919753(Top 68%)7450(Top 59%)7450(Top 130%)
10K6.21 mi3.10 mi19266-9597213-5247213-52420167(Top 69%)7685(Top 61%)7685(Top 134%)
15K9.32 mi3.11 mi19418-1527287-747287-7419753(Top 68%)7450(Top 59%)7450(Top 130%)
20K12.43 mi3.11 mi19358+607265+227265+2219207(Top 66%)7185(Top 57%)7185(Top 126%)
HALF13.11 mi0.68 mi19357+17261+47261+419296(Top 66%)7200(Top 57%)7200(Top 126%)
25K15.53 mi2.42 mi19355+27268-77268-719478(Top 67%)7387(Top 59%)7387(Top 129%)
30K18.64 mi3.11 mi19426-717340-727340-7219742(Top 68%)7606(Top 60%)7606(Top 133%)
20M20.00 mi1.36 mi19389+377340734019217(Top 66%)7387(Top 59%)7387(Top 129%)
21M21.00 mi1.00 mi19273+1167284+567284+5617643(Top 61%)6598(Top 52%)6598(Top 115%)
35K21.75 mi0.75 mi19198+757252+327252+3217920(Top 62%)6854(Top 54%)6854(Top 120%)
23M23.00 mi1.25 mi19099+997221+317221+3117356(Top 60%)6613(Top 53%)6613(Top 116%)
24M24.00 mi1.00 mi18916+1837141+807141+8015037(Top 52%)5366(Top 43%)5366(Top 94%)
40K24.85 mi0.85 mi18771+1457081+607081+6015128(Top 52%)5510(Top 44%)5510(Top 96%)
25.2M25.20 mi0.35 mi18731+407061+207061+2016055(Top 55%)6009(Top 48%)6009(Top 105%)
FINISH26.22 mi1.02 mi18614+1177013+487013+4815917(Top 55%)5912(Top 47%)5912(Top 103%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21
+97ft-345ft

Overall

19753

Females

7450

F18-39

7450

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

20167

Females

7685

F18-39

7685

10K→15K

6.2 - 9.3 mi

Top 68%
×3
+67ft-78ft

Overall

19753

Females

7450

F18-39

7450

15K→20K

9.3 - 12.4 mi

Top 66%
×5
+106ft-86ft

Overall

19207

Females

7185

F18-39

7185

20K→HALF

12.4 - 13.1 mi

Top 66%
×2
+19ft-37ft

Overall

19296

Females

7200

F18-39

7200

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19478

Females

7387

F18-39

7387

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19742

Females

7606

F18-39

7606

30K→20M

18.6 - 20.0 mi

Top 66%
×5
+64ft-50ft

Overall

19217

Females

7387

F18-39

7387

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17643

Females

6598

F18-39

6598

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17920

Females

6854

F18-39

6854

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17356

Females

6613

F18-39

6613

23M→24M

23.0 - 24.0 mi

Top 52%
×6
+12ft-82ft

Overall

15037

Females

5366

F18-39

5366

24M→40K

24.0 - 24.9 mi

Top 52%
×1
+6ft-20ft

Overall

15128

Females

5510

F18-39

5510

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1
+13ft-16ft

Overall

16055

Females

6009

F18-39

6009

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

15917

Females

5912

F18-39

5912

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1656
Passed By
1054
Net Change
-307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18307
5K → 10K44200-959#18307#19266
10K → 15K119200-152#19266#19418
15K → 20K177117+60#19418#19358
20K → HALF3130+1#19358#19357
HALF → 25K126124+2#19357#19355
25K → 30K164200-71#19355#19426
30K → 20M10669+37#19426#19389
20M → 21M14226+116#19389#19273
21M → 35K9318+75#19273#19198
35K → 23M13738+99#19198#19099
23M → 24M1907+183#19099#18916
24M → 40K1549+145#18916#18771
40K → 25.2M466+40#18771#18731
25.2M → FINISH12710+117#18731#18614
TOTALS16561054-307
📊

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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