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BOSTON MARATHON 2026

Jang Jaehyeok

Bib: 8910•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 20%
Gender (Male)
#0 / 16340
Top 31%
Masters (Masters Men)
#0 / 10617
Top 17%
Age Group (M40-44)
#0 / 2198
Top 42%
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
21:28
3.11 mi
Rank: #7817
Start → 5K
21:28 | 6:55/mi
10K
42:30
6.21 mi
Rank: #7261 (+556)
5K → 10K
21:02 | 6:47/mi
15K
1:03:38
9.32 mi
Rank: #7101 (+160)
10K → 15K
21:08 | 6:49/mi
20K
1:24:56
12.43 mi
Rank: #6977 (+124)
15K → 20K
21:18 | 6:52/mi
HALF
1:29:30
13.11 mi
Rank: #6934 (+43)
20K → HALF
4:34 | 6:42/mi
25K
1:46:15
15.53 mi
Rank: #6873 (+61)
HALF → 25K
16:45 | 6:55/mi
30K
2:07:54
18.64 mi
Rank: #6616 (+257)
25K → 30K
21:39 | 6:59/mi
20M
2:17:10
20.00 mi
Rank: #6396 (+220)
30K → 20M
9:16 | 6:50/mi
21M
2:24:17
21.00 mi
Rank: #6236 (+160)
20M → 21M
7:07 | 7:07/mi
35K
2:29:13
21.75 mi
Rank: #6135 (+101)
21M → 35K
4:56 | 6:36/mi
23M
2:37:42
23.00 mi
Rank: #5957 (+178)
35K → 23M
8:29 | 6:47/mi
24M
2:44:20
24.00 mi
Rank: #5819 (+138)
23M → 24M
6:38 | 6:38/mi
40K
2:50:09
24.85 mi
Rank: #5713 (+106)
24M → 40K
5:49 | 6:49/mi
25.2M
2:52:42
25.20 mi
Rank: #5692 (+21)
40K → 25.2M
2:33 | 7:24/mi
FINISH
2:59:31
26.22 mi
Rank: #5684 (+8)
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
Time1:29:30
Pace6:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:01
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:4421:286:5521:28
6:55
-
10K
6.21 mi10:57:4642:306:5121:02
6:47
-0:08
15K
9.32 mi11:18:541:03:386:5021:08
6:49
+0:02
20K
12.43 mi11:40:121:24:566:5121:18
6:52
+0:03
HALF
13.11 mi11:44:461:29:306:504:34
6:42
-0:10
25K
15.53 mi12:01:311:46:156:5116:45
6:55
+0:13
30K
18.64 mi12:23:102:07:546:5221:39
6:59
+0:04
20M
20.00 mi12:32:262:17:106:529:16
6:50
-0:09
21M
21.00 mi12:39:332:24:176:537:07
7:07
+0:17
35K
21.75 mi12:44:292:29:136:524:56
6:36
-0:31
23M
23.00 mi12:52:582:37:426:528:29
6:47
+0:11
24M
24.00 mi12:59:362:44:206:516:38
6:38
-0:09
40K
24.85 mi13:05:252:50:096:515:49
6:49
+0:11
25.2M
25.20 mi13:07:582:52:426:522:33
7:24
+0:35
FINISH
26.22 mi13:14:472:59:316:526:49
6:42
-0:42

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

6:36 /mi

Average Pace

6:51 /mi

Slowest Pace

7:24 /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

2:56:58

99% of race

Time at Steady Pace

2:33

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:36:4421:286:5521:28
6:55
#7817
10K
6.21 mi10:57:4642:306:5121:02
6:47
#7261
15K
9.32 mi11:18:541:03:386:5021:08
6:49
#7101
20K
12.43 mi11:40:121:24:566:5121:18
6:52
#6977
HALF
13.11 mi11:44:461:29:306:504:34
6:42
#6934
25K
15.53 mi12:01:311:46:156:5116:45
6:55
#6873
30K
18.64 mi12:23:102:07:546:5221:39
6:59
#6616
20M
20.00 mi12:32:262:17:106:529:16
6:50
#6396
21M
21.00 mi12:39:332:24:176:537:07
7:07
#6236
35K
21.75 mi12:44:292:29:136:524:56
6:36
#6135
23M
23.00 mi12:52:582:37:426:528:29
6:47
#5957
24M
24.00 mi12:59:362:44:206:516:38
6:38
#5819
40K
24.85 mi13:05:252:50:096:515:49
6:49
#5713
25.2M
25.20 mi13:07:582:52:426:522:33
7:24
#5692
FINISH
26.22 mi13:14:472:59:316:526:49
6:42
#5684
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 mi7817677667766832(Top 24%)6061(Top 37%)6061(Top 276%)
10K6.21 mi3.10 mi7261+5566390+3866390+3866659(Top 23%)5943(Top 36%)5943(Top 270%)
15K9.32 mi3.11 mi7101+1606266+1246266+1246832(Top 24%)6061(Top 37%)6061(Top 276%)
20K12.43 mi3.11 mi6977+1246167+996167+996684(Top 23%)5921(Top 36%)5921(Top 269%)
HALF13.11 mi0.68 mi6934+436135+326135+326117(Top 21%)5504(Top 34%)5504(Top 250%)
25K15.53 mi2.42 mi6873+616087+486087+486728(Top 23%)5906(Top 36%)5906(Top 269%)
30K18.64 mi3.11 mi6616+2575885+2025885+2025655(Top 19%)5047(Top 31%)5047(Top 230%)
20M20.00 mi1.36 mi6396+2205699+1865699+1864332(Top 15%)3946(Top 24%)3946(Top 180%)
21M21.00 mi1.00 mi6236+1605570+1295570+1294162(Top 14%)3750(Top 23%)3750(Top 171%)
35K21.75 mi0.75 mi6135+1015485+855485+854234(Top 15%)3836(Top 23%)3836(Top 175%)
23M23.00 mi1.25 mi5957+1785338+1475338+1473986(Top 14%)3588(Top 22%)3588(Top 163%)
24M24.00 mi1.00 mi5819+1385221+1175221+1173978(Top 14%)3562(Top 22%)3562(Top 162%)
40K24.85 mi0.85 mi5713+1065135+865135+864252(Top 15%)3722(Top 23%)3722(Top 169%)
25.2M25.20 mi0.35 mi5692+215114+215114+214616(Top 16%)3944(Top 24%)3944(Top 179%)
FINISH26.22 mi1.02 mi5684+85103+115103+115375(Top 19%)4448(Top 27%)4448(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21
+97ft-345ft

Overall

6832

Males

6061

M40-44

6061

5K→10K

3.1 - 6.2 mi

Top 23%
×5
+79ft-138ft

Overall

6659

Males

5943

M40-44

5943

10K→15K

6.2 - 9.3 mi

Top 24%
×3
+67ft-78ft

Overall

6832

Males

6061

M40-44

6061

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6684

Males

5921

M40-44

5921

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6117

Males

5504

M40-44

5504

HALF→25K

13.1 - 15.5 mi

Top 23%
×4
+66ft-88ft

Overall

6728

Males

5906

M40-44

5906

25K→30K

15.5 - 18.6 mi

Top 19%
×9
+181ft-148ft

Overall

5655

Males

5047

M40-44

5047

30K→20M

18.6 - 20.0 mi

Top 15%
×5
+64ft-50ft

Overall

4332

Males

3946

M40-44

3946

20M→21M

20.0 - 21.0 mi

Top 14%
×8
+106ft-24ft

Overall

4162

Males

3750

M40-44

3750

21M→35K

21.0 - 21.8 mi

Top 15%
×7
+17ft-86ft

Overall

4234

Males

3836

M40-44

3836

35K→23M

21.8 - 23.0 mi

Top 14%
×5
+23ft-63ft

Overall

3986

Males

3588

M40-44

3588

23M→24M

23.0 - 24.0 mi

Top 14%
×6
+12ft-82ft

Overall

3978

Males

3562

M40-44

3562

24M→40K

24.0 - 24.9 mi

Top 15%
×1
+6ft-20ft

Overall

4252

Males

3722

M40-44

3722

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1
+13ft-16ft

Overall

4616

Males

3944

M40-44

3944

25.2M→FINISH

25.2 - 26.2 mi

Top 19%
×2
+22ft-21ft

Overall

5375

Males

4448

M40-44

4448

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2564*
Passed By
431
Net Change
+2133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7817
5K → 10K596*40+556#7817#7261
10K → 15K242*82+160#7261#7101
15K → 20K215*91+124#7101#6977
20K → HALF5411+43#6977#6934
HALF → 25K13574+61#6934#6873
25K → 30K289*32+257#6873#6616
30K → 20M225*5+220#6616#6396
20M → 21M1688+160#6396#6236
21M → 35K1054+101#6236#6135
35K → 23M1846+178#6135#5957
23M → 24M1446+138#5957#5819
24M → 40K11610+106#5819#5713
40K → 25.2M3211+21#5713#5692
25.2M → FINISH5951+8#5692#5684
TOTALS2564*431+2133

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing