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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jonghoon Baek

Bib: 5138 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 12%
Gender (Male)
#0 / 16340
Top 19%
Masters (Masters Men)
#0 / 10617
Top 6%
Age Group (M40-44)
#0 / 2198
Top 18%
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
20:14
3.11 mi
Rank: #4274
Start → 5K
20:14 | 6:31/mi
10K
40:06
6.21 mi
Rank: #3843 (+431)
5K → 10K
19:52 | 6:24/mi
15K
59:59
9.32 mi
Rank: #3718 (+125)
10K → 15K
19:53 | 6:24/mi
20K
1:20:02
12.43 mi
Rank: #3625 (+93)
15K → 20K
20:03 | 6:28/mi
HALF
1:24:24
13.11 mi
Rank: #3621 (+4)
20K → HALF
4:22 | 6:25/mi
25K
1:39:53
15.53 mi
Rank: #3454 (+167)
HALF → 25K
15:29 | 6:24/mi
30K
2:00:02
18.64 mi
Rank: #3232 (+222)
25K → 30K
20:09 | 6:30/mi
20M
2:09:03
20.00 mi
Rank: #3194 (+38)
30K → 20M
9:01 | 6:39/mi
21M
2:16:02
21.00 mi
Rank: #3167 (+27)
20M → 21M
6:59 | 6:59/mi
35K
2:20:51
21.75 mi
Rank: #3154 (+13)
21M → 35K
4:49 | 6:27/mi
23M
2:29:11
23.00 mi
Rank: #3128 (+26)
35K → 23M
8:20 | 6:40/mi
24M
2:35:52
24.00 mi
Rank: #3144 (-16)
23M → 24M
6:41 | 6:41/mi
40K
2:41:53
24.85 mi
Rank: #3202 (-58)
24M → 40K
6:01 | 7:03/mi
25.2M
2:44:31
25.20 mi
Rank: #3226 (-24)
40K → 25.2M
2:38 | 7:39/mi
FINISH
2:51:48
26.22 mi
Rank: #3355 (-129)
25.2M → FINISH
7:17 | 7:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:24:24
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:27:24
Pace6:41 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1020:146:3120:14
6:31
-
10K
6.21 mi10:43:0240:066:2819:52
6:24
-0:07
15K
9.32 mi11:02:5559:596:2719:53
6:24
0:00
20K
12.43 mi11:22:581:20:026:2720:03
6:28
+0:04
HALF
13.11 mi11:27:201:24:246:274:22
6:25
-0:03
25K
15.53 mi11:42:491:39:536:2615:29
6:24
-0:01
30K
18.64 mi12:02:582:00:026:2720:09
6:30
+0:06
20M
20.00 mi12:11:592:09:036:289:01
6:39
+0:09
21M
21.00 mi12:18:582:16:026:296:59
6:59
+0:20
35K
21.75 mi12:23:472:20:516:294:49
6:27
-0:32
23M
23.00 mi12:32:072:29:116:308:20
6:40
+0:13
24M
24.00 mi12:38:482:35:526:306:41
6:41
+0:01
40K
24.85 mi12:44:492:41:536:316:01
7:03
+0:22
25.2M
25.20 mi12:47:272:44:316:322:38
7:39
+0:36
FINISH
26.22 mi12:54:442:51:486:347:17
7:09
-0:30

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

6:24 /mi

Average Pace

6:33 /mi

Slowest Pace

7:39 /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

2:35:52

91% of race

Time at Steady Pace

13:18

8% of race

Time at Slower Pace

2:38

2% of race

Average Pace: 6:33 /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 mi10:23:1020:146:3120:14
6:31
#4274
10K
6.21 mi10:43:0240:066:2819:52
6:24
#3843
15K
9.32 mi11:02:5559:596:2719:53
6:24
#3718
20K
12.43 mi11:22:581:20:026:2720:03
6:28
#3625
HALF
13.11 mi11:27:201:24:246:274:22
6:25
#3621
25K
15.53 mi11:42:491:39:536:2615:29
6:24
#3454
30K
18.64 mi12:02:582:00:026:2720:09
6:30
#3232
20M
20.00 mi12:11:592:09:036:289:01
6:39
#3194
21M
21.00 mi12:18:582:16:026:296:59
6:59
#3167
35K
21.75 mi12:23:472:20:516:294:49
6:27
#3154
23M
23.00 mi12:32:072:29:116:308:20
6:40
#3128
24M
24.00 mi12:38:482:35:526:306:41
6:41
#3144
40K
24.85 mi12:44:492:41:536:316:01
7:03
#3202
25.2M
25.20 mi12:47:272:44:316:322:38
7:39
#3226
FINISH
26.22 mi12:54:442:51:486:347:17
7:09
#3355
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 mi4274404440443504(Top 12%)3350(Top 21%)3350(Top 152%)
10K6.21 mi3.10 mi3843+4313655+3893655+3893501(Top 12%)3341(Top 20%)3341(Top 152%)
15K9.32 mi3.11 mi3718+1253542+1133542+1133504(Top 12%)3350(Top 21%)3350(Top 152%)
20K12.43 mi3.11 mi3625+933460+823460+823463(Top 12%)3310(Top 20%)3310(Top 151%)
HALF13.11 mi0.68 mi3621+43457+33457+33735(Top 13%)3552(Top 22%)3552(Top 162%)
25K15.53 mi2.42 mi3454+1673303+1543303+1542796(Top 10%)2684(Top 16%)2684(Top 122%)
30K18.64 mi3.11 mi3232+2223093+2103093+2102499(Top 9%)2391(Top 15%)2391(Top 109%)
20M20.00 mi1.36 mi3194+383056+373056+373142(Top 11%)2943(Top 18%)2943(Top 134%)
21M21.00 mi1.00 mi3167+273031+253031+253342(Top 12%)3076(Top 19%)3076(Top 140%)
35K21.75 mi0.75 mi3154+133019+123019+123216(Top 11%)2991(Top 18%)2991(Top 136%)
23M23.00 mi1.25 mi3128+262990+292990+293242(Top 11%)2977(Top 18%)2977(Top 135%)
24M24.00 mi1.00 mi3144-162998-82998-84292(Top 15%)3789(Top 23%)3789(Top 172%)
40K24.85 mi0.85 mi3202-583046-483046-485661(Top 20%)4740(Top 29%)4740(Top 216%)
25.2M25.20 mi0.35 mi3226-243069-233069-235916(Top 20%)4835(Top 30%)4835(Top 220%)
FINISH26.22 mi1.02 mi3355-1293178-1093178-1098639(Top 30%)6377(Top 39%)6377(Top 290%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21
+97ft-345ft

Overall

3504

Males

3350

M40-44

3350

5K→10K

3.1 - 6.2 mi

Top 12%
×5
+79ft-138ft

Overall

3501

Males

3341

M40-44

3341

10K→15K

6.2 - 9.3 mi

Top 12%
×3
+67ft-78ft

Overall

3504

Males

3350

M40-44

3350

15K→20K

9.3 - 12.4 mi

Top 12%
×5
+106ft-86ft

Overall

3463

Males

3310

M40-44

3310

20K→HALF

12.4 - 13.1 mi

Top 13%
×2
+19ft-37ft

Overall

3735

Males

3552

M40-44

3552

HALF→25K

13.1 - 15.5 mi

Top 10%
×4
+66ft-88ft

Overall

2796

Males

2684

M40-44

2684

25K→30K

15.5 - 18.6 mi

Top 9%
×9
+181ft-148ft

Overall

2499

Males

2391

M40-44

2391

30K→20M

18.6 - 20.0 mi

Top 11%
×5
+64ft-50ft

Overall

3142

Males

2943

M40-44

2943

20M→21M

20.0 - 21.0 mi

Top 12%
×8
+106ft-24ft

Overall

3342

Males

3076

M40-44

3076

21M→35K

21.0 - 21.8 mi

Top 11%
×7
+17ft-86ft

Overall

3216

Males

2991

M40-44

2991

35K→23M

21.8 - 23.0 mi

Top 11%
×5
+23ft-63ft

Overall

3242

Males

2977

M40-44

2977

23M→24M

23.0 - 24.0 mi

Top 15%
×6
+12ft-82ft

Overall

4292

Males

3789

M40-44

3789

24M→40K

24.0 - 24.9 mi

Top 20%
×1
+6ft-20ft

Overall

5661

Males

4740

M40-44

4740

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1
+13ft-16ft

Overall

5916

Males

4835

M40-44

4835

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8639

Males

6377

M40-44

6377

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1484*
Passed By
565
Net Change
+919
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4274
5K → 10K451*20+431#4274#3843
10K → 15K15530+125#3843#3718
15K → 20K13845+93#3718#3625
20K → HALF2016+4#3625#3621
HALF → 25K1758+167#3621#3454
25K → 30K232*10+222#3454#3232
30K → 20M6527+38#3232#3194
20M → 21M6235+27#3194#3167
21M → 35K3421+13#3167#3154
35K → 23M6943+26#3154#3128
23M → 24M4157-16#3128#3144
24M → 40K1977-58#3144#3202
40K → 25.2M1135-24#3202#3226
25.2M → FINISH12141-129#3226#3355
TOTALS1484*565+919

* 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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