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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sie Kyeong Kim

Bib: 12737 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 30%
Gender (Male)
#0 / 16340
Top 43%
Masters (Masters Men)
#0 / 10617
Top 30%
Age Group (M55-59)
#0 / 1491
Top 13%
Race Day Weather
51°/41°F
overcast clouds
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  • Segment-by-segment breakdown
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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
21:07
3.11 mi
Rank: #6840
Start → 5K
21:07 | 6:48/mi
10K
42:14
6.21 mi
Rank: #6847 (-7)
5K → 10K
21:07 | 6:48/mi
15K
1:03:39
9.32 mi
Rank: #7133 (-286)
10K → 15K
21:25 | 6:54/mi
20K
1:25:35
12.43 mi
Rank: #7494 (-361)
15K → 20K
21:56 | 7:04/mi
HALF
1:30:23
13.11 mi
Rank: #7561 (-67)
20K → HALF
4:48 | 7:03/mi
25K
1:47:51
15.53 mi
Rank: #7733 (-172)
HALF → 25K
17:28 | 7:13/mi
30K
2:11:22
18.64 mi
Rank: #8059 (-326)
25K → 30K
23:31 | 7:35/mi
20M
2:21:50
20.00 mi
Rank: #8154 (-95)
30K → 20M
10:28 | 7:43/mi
21M
2:30:05
21.00 mi
Rank: #8299 (-145)
20M → 21M
8:15 | 8:15/mi
35K
2:35:41
21.75 mi
Rank: #8348 (-49)
21M → 35K
5:36 | 7:30/mi
23M
2:45:30
23.00 mi
Rank: #8474 (-126)
35K → 23M
9:49 | 7:51/mi
24M
2:53:01
24.00 mi
Rank: #8513 (-39)
23M → 24M
7:31 | 7:31/mi
40K
2:59:29
24.85 mi
Rank: #8526 (-13)
24M → 40K
6:28 | 7:34/mi
25.2M
3:02:22
25.20 mi
Rank: #8527 (-1)
40K → 25.2M
2:53 | 8:22/mi
FINISH
3:10:01
26.22 mi
Rank: #8622 (-95)
25.2M → FINISH
7:39 | 7:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:23
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:39:38
Pace7:36 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2221:076:4821:07
6:48
-
10K
6.21 mi11:10:2942:146:4821:07
6:48
0:00
15K
9.32 mi11:31:541:03:396:5021:25
6:54
+0:06
20K
12.43 mi11:53:501:25:356:5421:56
7:04
+0:10
HALF
13.11 mi11:58:381:30:236:544:48
7:03
-0:01
25K
15.53 mi12:16:061:47:516:5717:28
7:13
+0:10
30K
18.64 mi12:39:372:11:227:0323:31
7:35
+0:22
20M
20.00 mi12:50:052:21:507:0610:28
7:43
+0:08
21M
21.00 mi12:58:202:30:057:098:15
8:15
+0:32
35K
21.75 mi13:03:562:35:417:105:36
7:30
-0:45
23M
23.00 mi13:13:452:45:307:129:49
7:51
+0:21
24M
24.00 mi13:21:162:53:017:137:31
7:31
-0:20
40K
24.85 mi13:27:442:59:297:146:28
7:34
+0:03
25.2M
25.20 mi13:30:373:02:227:152:53
8:22
+0:48
FINISH
26.22 mi13:38:163:10:017:167:39
7:31
-0:51

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

6:48 /mi

Average Pace

7:15 /mi

Slowest Pace

8:22 /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

1:47:51

57% of race

Time at Steady Pace

1:01:13

32% of race

Time at Slower Pace

20:57

11% of race

Average Pace: 7:15 /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 mi10:49:2221:076:4821:07
6:48
#6840
10K
6.21 mi11:10:2942:146:4821:07
6:48
#6847
15K
9.32 mi11:31:541:03:396:5021:25
6:54
#7133
20K
12.43 mi11:53:501:25:356:5421:56
7:04
#7494
HALF
13.11 mi11:58:381:30:236:544:48
7:03
#7561
25K
15.53 mi12:16:061:47:516:5717:28
7:13
#7733
30K
18.64 mi12:39:372:11:227:0323:31
7:35
#8059
20M
20.00 mi12:50:052:21:507:0610:28
7:43
#8154
21M
21.00 mi12:58:202:30:057:098:15
8:15
#8299
35K
21.75 mi13:03:562:35:417:105:36
7:30
#8348
23M
23.00 mi13:13:452:45:307:129:49
7:51
#8474
24M
24.00 mi13:21:162:53:017:137:31
7:31
#8513
40K
24.85 mi13:27:442:59:297:146:28
7:34
#8526
25.2M
25.20 mi13:30:373:02:227:152:53
8:22
#8527
FINISH
26.22 mi13:38:163:10:017:167:39
7:31
#8622
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi6840610161017727(Top 27%)6686(Top 41%)6686(Top 448%)
10K6.21 mi3.10 mi6847-76108-76108-76947(Top 24%)6165(Top 38%)6165(Top 413%)
15K9.32 mi3.11 mi7133-2866295-1876295-1877727(Top 27%)6686(Top 41%)6686(Top 448%)
20K12.43 mi3.11 mi7494-3616534-2396534-2398267(Top 28%)7000(Top 43%)7000(Top 469%)
HALF13.11 mi0.68 mi7561-676585-516585-518950(Top 31%)7429(Top 45%)7429(Top 498%)
25K15.53 mi2.42 mi7733-1726688-1036688-1038874(Top 31%)7246(Top 44%)7246(Top 486%)
30K18.64 mi3.11 mi8059-3266861-1736861-17310194(Top 35%)7793(Top 48%)7793(Top 523%)
20M20.00 mi1.36 mi8154-956895-346895-3410600(Top 37%)7872(Top 48%)7872(Top 528%)
21M21.00 mi1.00 mi8299-1456962-676962-6711489(Top 40%)8193(Top 50%)8193(Top 549%)
35K21.75 mi0.75 mi8348-496971-96971-910668(Top 37%)7785(Top 48%)7785(Top 522%)
23M23.00 mi1.25 mi8474-1267009-387009-3811309(Top 39%)8001(Top 49%)8001(Top 537%)
24M24.00 mi1.00 mi8513-397001+87001+810186(Top 35%)7382(Top 45%)7382(Top 495%)
40K24.85 mi0.85 mi8526-136982+196982+199271(Top 32%)6826(Top 42%)6826(Top 458%)
25.2M25.20 mi0.35 mi8527-16967+156967+1510620(Top 37%)7427(Top 45%)7427(Top 498%)
FINISH26.22 mi1.02 mi8622-956992-256992-2511426(Top 39%)7818(Top 48%)7818(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21
+97ft-345ft

Overall

7727

Males

6686

M55-59

6686

5K→10K

3.1 - 6.2 mi

Top 24%
×5
+79ft-138ft

Overall

6947

Males

6165

M55-59

6165

10K→15K

6.2 - 9.3 mi

Top 27%
×3
+67ft-78ft

Overall

7727

Males

6686

M55-59

6686

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8267

Males

7000

M55-59

7000

20K→HALF

12.4 - 13.1 mi

Top 31%
×2
+19ft-37ft

Overall

8950

Males

7429

M55-59

7429

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

8874

Males

7246

M55-59

7246

25K→30K

15.5 - 18.6 mi

Top 35%
×9
+181ft-148ft

Overall

10194

Males

7793

M55-59

7793

30K→20M

18.6 - 20.0 mi

Top 37%
×5
+64ft-50ft

Overall

10600

Males

7872

M55-59

7872

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11489

Males

8193

M55-59

8193

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10668

Males

7785

M55-59

7785

35K→23M

21.8 - 23.0 mi

Top 39%
×5
+23ft-63ft

Overall

11309

Males

8001

M55-59

8001

23M→24M

23.0 - 24.0 mi

Top 35%
×6
+12ft-82ft

Overall

10186

Males

7382

M55-59

7382

24M→40K

24.0 - 24.9 mi

Top 32%
×1
+6ft-20ft

Overall

9271

Males

6826

M55-59

6826

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10620

Males

7427

M55-59

7427

25.2M→FINISH

25.2 - 26.2 mi

Top 39%
×2
+22ft-21ft

Overall

11426

Males

7818

M55-59

7818

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
845
Passed By
2016
Net Change
-1782
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6840
5K → 10K200200-7#6840#6847
10K → 15K54200-286#6847#7133
15K → 20K61200-361#7133#7494
20K → HALF1380-67#7494#7561
HALF → 25K74200-172#7561#7733
25K → 30K70200-326#7733#8059
30K → 20M50145-95#8059#8154
20M → 21M37182-145#8154#8299
21M → 35K3685-49#8299#8348
35K → 23M57183-126#8348#8474
23M → 24M64103-39#8474#8513
24M → 40K6376-13#8513#8526
40K → 25.2M3233-1#8526#8527
25.2M → FINISH34129-95#8527#8622
TOTALS8452016-1782
📊

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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