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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kyung Seok Jeon

Bib: 8795 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 17%
Gender (Male)
#0 / 16340
Top 27%
Masters (Masters Men)
#0 / 10617
Top 13%
Age Group (M45-49)
#0 / 2413
Top 16%
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
21:20
3.11 mi
Rank: #7430
Start → 5K
21:20 | 6:52/mi
10K
42:05
6.21 mi
Rank: #6597 (+833)
5K → 10K
20:45 | 6:41/mi
15K
1:02:51
9.32 mi
Rank: #6254 (+343)
10K → 15K
20:46 | 6:42/mi
20K
1:23:52
12.43 mi
Rank: #6091 (+163)
15K → 20K
21:01 | 6:46/mi
HALF
1:28:20
13.11 mi
Rank: #6009 (+82)
20K → HALF
4:28 | 6:34/mi
25K
1:44:44
15.53 mi
Rank: #5887 (+122)
HALF → 25K
16:24 | 6:46/mi
30K
2:05:59
18.64 mi
Rank: #5631 (+256)
25K → 30K
21:15 | 6:51/mi
20M
2:15:15
20.00 mi
Rank: #5493 (+138)
30K → 20M
9:16 | 6:50/mi
21M
2:22:20
21.00 mi
Rank: #5360 (+133)
20M → 21M
7:05 | 7:05/mi
35K
2:27:14
21.75 mi
Rank: #5276 (+84)
21M → 35K
4:54 | 6:33/mi
23M
2:35:41
23.00 mi
Rank: #5132 (+144)
35K → 23M
8:27 | 6:46/mi
24M
2:42:15
24.00 mi
Rank: #5029 (+103)
23M → 24M
6:34 | 6:34/mi
40K
2:48:00
24.85 mi
Rank: #4923 (+106)
24M → 40K
5:45 | 6:44/mi
25.2M
2:50:31
25.20 mi
Rank: #4893 (+30)
40K → 25.2M
2:31 | 7:18/mi
FINISH
2:57:17
26.22 mi
Rank: #4873 (+20)
25.2M → FINISH
6:46 | 6:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:28:20
Pace6:45 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:57
Pace6:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:3721:206:5221:20
6:52
-
10K
6.21 mi10:57:2242:056:4720:45
6:41
-0:11
15K
9.32 mi11:18:081:02:516:4520:46
6:42
+0:01
20K
12.43 mi11:39:091:23:526:4521:01
6:46
+0:04
HALF
13.11 mi11:43:371:28:206:454:28
6:34
-0:12
25K
15.53 mi12:00:011:44:446:4516:24
6:46
+0:12
30K
18.64 mi12:21:162:05:596:4621:15
6:51
+0:05
20M
20.00 mi12:30:322:15:156:469:16
6:50
-0:01
21M
21.00 mi12:37:372:22:206:477:05
7:05
+0:15
35K
21.75 mi12:42:312:27:146:474:54
6:33
-0:32
23M
23.00 mi12:50:582:35:416:478:27
6:46
+0:13
24M
24.00 mi12:57:322:42:156:466:34
6:34
-0:12
40K
24.85 mi13:03:172:48:006:465:45
6:44
+0:10
25.2M
25.20 mi13:05:482:50:316:462:31
7:18
+0:34
FINISH
26.22 mi13:12:342:57:176:466:46
6:39
-0:39

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

6:33 /mi

Average Pace

6:46 /mi

Slowest Pace

7:18 /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

2:54:46

99% of race

Time at Steady Pace

2:31

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:36:3721:206:5221:20
6:52
#7430
10K
6.21 mi10:57:2242:056:4720:45
6:41
#6597
15K
9.32 mi11:18:081:02:516:4520:46
6:42
#6254
20K
12.43 mi11:39:091:23:526:4521:01
6:46
#6091
HALF
13.11 mi11:43:371:28:206:454:28
6:34
#6009
25K
15.53 mi12:00:011:44:446:4516:24
6:46
#5887
30K
18.64 mi12:21:162:05:596:4621:15
6:51
#5631
20M
20.00 mi12:30:322:15:156:469:16
6:50
#5493
21M
21.00 mi12:37:372:22:206:477:05
7:05
#5360
35K
21.75 mi12:42:312:27:146:474:54
6:33
#5276
23M
23.00 mi12:50:582:35:416:478:27
6:46
#5132
24M
24.00 mi12:57:322:42:156:466:34
6:34
#5029
40K
24.85 mi13:03:172:48:006:465:45
6:44
#4923
25.2M
25.20 mi13:05:482:50:316:462:31
7:18
#4893
FINISH
26.22 mi13:12:342:57:176:466:46
6:39
#4873
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7430650865085697(Top 20%)5210(Top 32%)5210(Top 216%)
10K6.21 mi3.10 mi6597+8335922+5865922+5865732(Top 20%)5249(Top 32%)5249(Top 218%)
15K9.32 mi3.11 mi6254+3435665+2575665+2575697(Top 20%)5210(Top 32%)5210(Top 216%)
20K12.43 mi3.11 mi6091+1635529+1365529+1365814(Top 20%)5266(Top 32%)5266(Top 218%)
HALF13.11 mi0.68 mi6009+825465+645465+644832(Top 17%)4504(Top 28%)4504(Top 187%)
25K15.53 mi2.42 mi5887+1225362+1035362+1035441(Top 19%)4939(Top 30%)4939(Top 205%)
30K18.64 mi3.11 mi5631+2565135+2275135+2274678(Top 16%)4272(Top 26%)4272(Top 177%)
20M20.00 mi1.36 mi5493+1385027+1085027+1084321(Top 15%)3935(Top 24%)3935(Top 163%)
21M21.00 mi1.00 mi5360+1334910+1174910+1173943(Top 14%)3569(Top 22%)3569(Top 148%)
35K21.75 mi0.75 mi5276+844843+674843+673905(Top 13%)3573(Top 22%)3573(Top 148%)
23M23.00 mi1.25 mi5132+1444710+1334710+1333799(Top 13%)3438(Top 21%)3438(Top 142%)
24M24.00 mi1.00 mi5029+1034613+974613+973559(Top 12%)3222(Top 20%)3222(Top 134%)
40K24.85 mi0.85 mi4923+1064512+1014512+1013751(Top 13%)3334(Top 20%)3334(Top 138%)
25.2M25.20 mi0.35 mi4893+304482+304482+304088(Top 14%)3545(Top 22%)3545(Top 147%)
FINISH26.22 mi1.02 mi4873+204451+314451+315018(Top 17%)4197(Top 26%)4197(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21
+97ft-345ft

Overall

5697

Males

5210

M45-49

5210

5K→10K

3.1 - 6.2 mi

Top 20%
×5
+79ft-138ft

Overall

5732

Males

5249

M45-49

5249

10K→15K

6.2 - 9.3 mi

Top 20%
×3
+67ft-78ft

Overall

5697

Males

5210

M45-49

5210

15K→20K

9.3 - 12.4 mi

Top 20%
×5
+106ft-86ft

Overall

5814

Males

5266

M45-49

5266

20K→HALF

12.4 - 13.1 mi

Top 17%
×2
+19ft-37ft

Overall

4832

Males

4504

M45-49

4504

HALF→25K

13.1 - 15.5 mi

Top 19%
×4
+66ft-88ft

Overall

5441

Males

4939

M45-49

4939

25K→30K

15.5 - 18.6 mi

Top 16%
×9
+181ft-148ft

Overall

4678

Males

4272

M45-49

4272

30K→20M

18.6 - 20.0 mi

Top 15%
×5
+64ft-50ft

Overall

4321

Males

3935

M45-49

3935

20M→21M

20.0 - 21.0 mi

Top 14%
×8
+106ft-24ft

Overall

3943

Males

3569

M45-49

3569

21M→35K

21.0 - 21.8 mi

Top 13%
×7
+17ft-86ft

Overall

3905

Males

3573

M45-49

3573

35K→23M

21.8 - 23.0 mi

Top 13%
×5
+23ft-63ft

Overall

3799

Males

3438

M45-49

3438

23M→24M

23.0 - 24.0 mi

Top 12%
×6
+12ft-82ft

Overall

3559

Males

3222

M45-49

3222

24M→40K

24.0 - 24.9 mi

Top 13%
×1
+6ft-20ft

Overall

3751

Males

3334

M45-49

3334

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1
+13ft-16ft

Overall

4088

Males

3545

M45-49

3545

25.2M→FINISH

25.2 - 26.2 mi

Top 17%
×2
+22ft-21ft

Overall

5018

Males

4197

M45-49

4197

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2826*
Passed By
269
Net Change
+2557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7430
5K → 10K847*14+833#7430#6597
10K → 15K364*21+343#6597#6254
15K → 20K222*59+163#6254#6091
20K → HALF831+82#6091#6009
HALF → 25K15432+122#6009#5887
25K → 30K288*32+256#5887#5631
30K → 20M14911+138#5631#5493
20M → 21M14613+133#5493#5360
21M → 35K917+84#5360#5276
35K → 23M15713+144#5276#5132
23M → 24M1118+103#5132#5029
24M → 40K11711+106#5029#4923
40K → 25.2M4111+30#4923#4893
25.2M → FINISH5636+20#4893#4873
TOTALS2826*269+2557

* 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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