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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Minsun Seo

Bib: 3552 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 18%
Gender (Male)
#0 / 16340
Top 28%
Masters (Masters Men)
#0 / 10617
Top 14%
Age Group (M40-44)
#0 / 2198
Top 36%
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
20:50
3.11 mi
Rank: #5940
Start → 5K
20:50 | 6:43/mi
10K
40:57
6.21 mi
Rank: #4907 (+1033)
5K → 10K
20:07 | 6:29/mi
15K
1:04:13
9.32 mi
Rank: #7715 (-2808)
10K → 15K
23:16 | 7:30/mi
20K
1:24:31
12.43 mi
Rank: #6622 (+1093)
15K → 20K
20:18 | 6:33/mi
HALF
1:28:55
13.11 mi
Rank: #6479 (+143)
20K → HALF
4:24 | 6:28/mi
25K
1:45:01
15.53 mi
Rank: #6089 (+390)
HALF → 25K
16:06 | 6:39/mi
30K
2:05:56
18.64 mi
Rank: #5600 (+489)
25K → 30K
20:55 | 6:44/mi
20M
2:15:08
20.00 mi
Rank: #5440 (+160)
30K → 20M
9:12 | 6:47/mi
21M
2:22:10
21.00 mi
Rank: #5285 (+155)
20M → 21M
7:02 | 7:02/mi
35K
2:27:07
21.75 mi
Rank: #5219 (+66)
21M → 35K
4:57 | 6:37/mi
23M
2:35:40
23.00 mi
Rank: #5126 (+93)
35K → 23M
8:33 | 6:50/mi
24M
2:42:25
24.00 mi
Rank: #5090 (+36)
23M → 24M
6:45 | 6:45/mi
40K
2:48:30
24.85 mi
Rank: #5100 (-10)
24M → 40K
6:05 | 7:07/mi
25.2M
2:51:05
25.20 mi
Rank: #5082 (+18)
40K → 25.2M
2:35 | 7:30/mi
FINISH
2:57:54
26.22 mi
Rank: #5083 (-1)
25.2M → FINISH
6:49 | 6:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:28:55
Pace6:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:59
Pace6:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2520:506:4320:50
6:43
-
10K
6.21 mi10:43:3240:576:3620:07
6:29
-0:14
15K
9.32 mi11:06:481:04:136:5423:16
7:30
+1:01
20K
12.43 mi11:27:061:24:316:4920:18
6:33
-0:57
HALF
13.11 mi11:31:301:28:556:474:24
6:28
-0:05
25K
15.53 mi11:47:361:45:016:4616:06
6:39
+0:11
30K
18.64 mi12:08:312:05:566:4620:55
6:44
+0:05
20M
20.00 mi12:17:432:15:086:469:12
6:47
+0:03
21M
21.00 mi12:24:452:22:106:477:02
7:02
+0:15
35K
21.75 mi12:29:422:27:076:464:57
6:37
-0:25
23M
23.00 mi12:38:152:35:406:478:33
6:50
+0:13
24M
24.00 mi12:45:002:42:256:476:45
6:45
-0:05
40K
24.85 mi12:51:052:48:306:476:05
7:07
+0:22
25.2M
25.20 mi12:53:402:51:056:482:35
7:30
+0:23
FINISH
26.22 mi13:00:292:57:546:486:49
6:42
-0:48

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

6:28 /mi

Average Pace

6:47 /mi

Slowest Pace

7:30 /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

2:25:58

82% of race

Time at Steady Pace

31:56

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:23:2520:506:4320:50
6:43
#5940
10K
6.21 mi10:43:3240:576:3620:07
6:29
#4907
15K
9.32 mi11:06:481:04:136:5423:16
7:30
#7715
20K
12.43 mi11:27:061:24:316:4920:18
6:33
#6622
HALF
13.11 mi11:31:301:28:556:474:24
6:28
#6479
25K
15.53 mi11:47:361:45:016:4616:06
6:39
#6089
30K
18.64 mi12:08:312:05:566:4620:55
6:44
#5600
20M
20.00 mi12:17:432:15:086:469:12
6:47
#5440
21M
21.00 mi12:24:452:22:106:477:02
7:02
#5285
35K
21.75 mi12:29:422:27:076:464:57
6:37
#5219
23M
23.00 mi12:38:152:35:406:478:33
6:50
#5126
24M
24.00 mi12:45:002:42:256:476:45
6:45
#5090
40K
24.85 mi12:51:052:48:306:476:05
7:07
#5100
25.2M
25.20 mi12:53:402:51:056:482:35
7:30
#5082
FINISH
26.22 mi13:00:292:57:546:486:49
6:42
#5083
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi59405428542812689(Top 44%)9245(Top 57%)9245(Top 421%)
10K6.21 mi3.10 mi4907+10334589+8394589+8394044(Top 14%)3835(Top 23%)3835(Top 174%)
15K9.32 mi3.11 mi7715-28086689-21006689-210012689(Top 44%)9245(Top 57%)9245(Top 421%)
20K12.43 mi3.11 mi6622+10935916+7735916+7734012(Top 14%)3799(Top 23%)3799(Top 173%)
HALF13.11 mi0.68 mi6479+1435818+985818+984139(Top 14%)3918(Top 24%)3918(Top 178%)
25K15.53 mi2.42 mi6089+3905510+3085510+3084415(Top 15%)4120(Top 25%)4120(Top 187%)
30K18.64 mi3.11 mi5600+4895113+3975113+3973896(Top 13%)3629(Top 22%)3629(Top 165%)
20M20.00 mi1.36 mi5440+1604986+1274986+1273961(Top 14%)3648(Top 22%)3648(Top 166%)
21M21.00 mi1.00 mi5285+1554856+1304856+1303665(Top 13%)3352(Top 21%)3352(Top 153%)
35K21.75 mi0.75 mi5219+664796+604796+604377(Top 15%)3939(Top 24%)3939(Top 179%)
23M23.00 mi1.25 mi5126+934704+924704+924311(Top 15%)3849(Top 24%)3849(Top 175%)
24M24.00 mi1.00 mi5090+364663+414663+414755(Top 16%)4151(Top 25%)4151(Top 189%)
40K24.85 mi0.85 mi5100-104654+94654+96179(Top 21%)5098(Top 31%)5098(Top 232%)
25.2M25.20 mi0.35 mi5082+184631+234631+235163(Top 18%)4328(Top 26%)4328(Top 197%)
FINISH26.22 mi1.02 mi5083-14621+104621+105359(Top 18%)4432(Top 27%)4432(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12689

Males

9245

M40-44

9245

5K→10K

3.1 - 6.2 mi

Top 14%
×5
+79ft-138ft

Overall

4044

Males

3835

M40-44

3835

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12689

Males

9245

M40-44

9245

15K→20K

9.3 - 12.4 mi

Top 14%
×5
+106ft-86ft

Overall

4012

Males

3799

M40-44

3799

20K→HALF

12.4 - 13.1 mi

Top 14%
×2
+19ft-37ft

Overall

4139

Males

3918

M40-44

3918

HALF→25K

13.1 - 15.5 mi

Top 15%
×4
+66ft-88ft

Overall

4415

Males

4120

M40-44

4120

25K→30K

15.5 - 18.6 mi

Top 13%
×9
+181ft-148ft

Overall

3896

Males

3629

M40-44

3629

30K→20M

18.6 - 20.0 mi

Top 14%
×5
+64ft-50ft

Overall

3961

Males

3648

M40-44

3648

20M→21M

20.0 - 21.0 mi

Top 13%
×8
+106ft-24ft

Overall

3665

Males

3352

M40-44

3352

21M→35K

21.0 - 21.8 mi

Top 15%
×7
+17ft-86ft

Overall

4377

Males

3939

M40-44

3939

35K→23M

21.8 - 23.0 mi

Top 15%
×5
+23ft-63ft

Overall

4311

Males

3849

M40-44

3849

23M→24M

23.0 - 24.0 mi

Top 16%
×6
+12ft-82ft

Overall

4755

Males

4151

M40-44

4151

24M→40K

24.0 - 24.9 mi

Top 21%
×1
+6ft-20ft

Overall

6179

Males

5098

M40-44

5098

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1
+13ft-16ft

Overall

5163

Males

4328

M40-44

4328

25.2M→FINISH

25.2 - 26.2 mi

Top 18%
×2
+22ft-21ft

Overall

5359

Males

4432

M40-44

4432

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3897*
Passed By
431
Net Change
+857
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5940
5K → 10K1041*8+1033#5940#4907
10K → 15K1200-2808#4907#7715
15K → 20K1093*0+1093#7715#6622
20K → HALF1430+143#6622#6479
HALF → 25K392*2+390#6479#6089
25K → 30K492*3+489#6089#5600
30K → 20M1666+160#5600#5440
20M → 21M1627+155#5440#5285
21M → 35K7610+66#5285#5219
35K → 23M11421+93#5219#5126
23M → 24M7236+36#5126#5090
24M → 40K5666-10#5090#5100
40K → 25.2M3618+18#5100#5082
25.2M → FINISH5354-1#5082#5083
TOTALS3897*431+857

* 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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