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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chanil Jeong

Bib: 9671 β€’M β€’Age: N/A

IL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 11%
Gender (Male)
#0 / 16340
Top 19%
Masters (Masters Men)
#0 / 10617
Top 6%
Age Group (M45-49)
#0 / 2413
Top 7%
Race Day Weather
51Β°/41Β°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
19:13
3.11 mi
Rank: #2039
Start β†’ 5K
19:13 | 6:12/mi
10K
38:42
6.21 mi
Rank: #2323 (-284)
5K β†’ 10K
19:29 | 6:17/mi
15K
58:53
9.32 mi
Rank: #2890 (-567)
10K β†’ 15K
20:11 | 6:30/mi
20K
1:18:54
12.43 mi
Rank: #3022 (-132)
15K β†’ 20K
20:01 | 6:27/mi
HALF
1:23:14
13.11 mi
Rank: #3048 (-26)
20K β†’ HALF
4:20 | 6:22/mi
25K
1:39:00
15.53 mi
Rank: #3093 (-45)
HALF β†’ 25K
15:46 | 6:31/mi
30K
1:59:59
18.64 mi
Rank: #3206 (-113)
25K β†’ 30K
20:59 | 6:46/mi
20M
2:09:13
20.00 mi
Rank: #3253 (-47)
30K β†’ 20M
9:14 | 6:48/mi
21M
2:16:18
21.00 mi
Rank: #3248 (+5)
20M β†’ 21M
7:05 | 7:05/mi
35K
2:21:11
21.75 mi
Rank: #3258 (-10)
21M β†’ 35K
4:53 | 6:32/mi
23M
2:29:25
23.00 mi
Rank: #3197 (+61)
35K β†’ 23M
8:14 | 6:35/mi
24M
2:35:53
24.00 mi
Rank: #3148 (+49)
23M β†’ 24M
6:28 | 6:28/mi
40K
2:41:34
24.85 mi
Rank: #3130 (+18)
24M β†’ 40K
5:41 | 6:39/mi
25.2M
2:44:07
25.20 mi
Rank: #3130
40K β†’ 25.2M
2:33 | 7:24/mi
FINISH
2:51:13
26.22 mi
Rank: #3244 (-114)
25.2M β†’ FINISH
7:06 | 6:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:14
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:27:59
Pace6:43 /mi
πŸ“ŠPositive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:1819:136:1219:13
6:12
-
10K
6.21 mi10:54:4738:426:1419:29
6:17
+0:05
15K
9.32 mi11:14:5858:536:2020:11
6:30
+0:13
20K
12.43 mi11:34:591:18:546:2120:01
6:27
-0:03
HALF
13.11 mi11:39:191:23:146:214:20
6:22
-0:05
25K
15.53 mi11:55:051:39:006:2315:46
6:31
+0:09
30K
18.64 mi12:16:041:59:596:2720:59
6:46
+0:15
20M
20.00 mi12:25:182:09:136:289:14
6:48
+0:02
21M
21.00 mi12:32:232:16:186:307:05
7:05
+0:17
35K
21.75 mi12:37:162:21:116:304:53
6:32
-0:33
23M
23.00 mi12:45:302:29:256:308:14
6:35
+0:03
24M
24.00 mi12:51:582:35:536:306:28
6:28
-0:07
40K
24.85 mi12:57:392:41:346:315:41
6:39
+0:11
25.2M
25.20 mi13:00:122:44:076:312:33
7:24
+0:45
FINISH
26.22 mi13:07:182:51:136:337:06
6:59
-0:25

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:12 /mi

Average Pace

6:32 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:34:29

90% of race

Time at Steady Pace

14:11

8% of race

Time at Slower Pace

2:33

1% of race

Average Pace: 6:32 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:35:1819:136:1219:13
6:12
#2039
10K
6.21 mi10:54:4738:426:1419:29
6:17
#2323
15K
9.32 mi11:14:5858:536:2020:11
6:30
#2890
20K
12.43 mi11:34:591:18:546:2120:01
6:27
#3022
HALF
13.11 mi11:39:191:23:146:214:20
6:22
#3048
25K
15.53 mi11:55:051:39:006:2315:46
6:31
#3093
30K
18.64 mi12:16:041:59:596:2720:59
6:46
#3206
20M
20.00 mi12:25:182:09:136:289:14
6:48
#3253
21M
21.00 mi12:32:232:16:186:307:05
7:05
#3248
35K
21.75 mi12:37:162:21:116:304:53
6:32
#3258
23M
23.00 mi12:45:302:29:256:308:14
6:35
#3197
24M
24.00 mi12:51:582:35:536:306:28
6:28
#3148
40K
24.85 mi12:57:392:41:346:315:41
6:39
#3130
25.2M
25.20 mi13:00:122:44:076:312:33
7:24
#3130
FINISH
26.22 mi13:07:182:51:136:337:06
6:59
#3244
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 mi2039196419644196(Top 14%)3966(Top 24%)3966(Top 164%)
10K6.21 mi3.10 mi2323-2842239-2752239-2752662(Top 9%)2563(Top 16%)2563(Top 106%)
15K9.32 mi3.11 mi2890-5672774-5352774-5354196(Top 14%)3966(Top 24%)3966(Top 164%)
20K12.43 mi3.11 mi3022-1322898-1242898-1243397(Top 12%)3253(Top 20%)3253(Top 135%)
HALF13.11 mi0.68 mi3048-262922-242922-243413(Top 12%)3269(Top 20%)3269(Top 135%)
25K15.53 mi2.42 mi3093-452965-432965-433450(Top 12%)3280(Top 20%)3280(Top 136%)
30K18.64 mi3.11 mi3206-1133069-1043069-1044015(Top 14%)3729(Top 23%)3729(Top 155%)
20M20.00 mi1.36 mi3253-473114-453114-454081(Top 14%)3739(Top 23%)3739(Top 155%)
21M21.00 mi1.00 mi3248+53105+93105+93903(Top 13%)3529(Top 22%)3529(Top 146%)
35K21.75 mi0.75 mi3258-103113-83113-83703(Top 13%)3394(Top 21%)3394(Top 141%)
23M23.00 mi1.25 mi3197+613055+583055+582801(Top 10%)2606(Top 16%)2606(Top 108%)
24M24.00 mi1.00 mi3148+493002+533002+532980(Top 10%)2721(Top 17%)2721(Top 113%)
40K24.85 mi0.85 mi3130+182979+232979+233297(Top 11%)2971(Top 18%)2971(Top 123%)
25.2M25.20 mi0.35 mi3130297929794516(Top 16%)3844(Top 24%)3844(Top 159%)
FINISH26.22 mi1.02 mi3244-1143079-1003079-1007249(Top 25%)5628(Top 34%)5628(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
Γ—21
+97ft-345ft

Overall

4196

Males

3966

M45-49

3966

5K→10K

3.1 - 6.2 mi

Top 9%
Γ—5
+79ft-138ft

Overall

2662

Males

2563

M45-49

2563

10K→15K

6.2 - 9.3 mi

Top 14%
Γ—3
+67ft-78ft

Overall

4196

Males

3966

M45-49

3966

15K→20K

9.3 - 12.4 mi

Top 12%
Γ—5
+106ft-86ft

Overall

3397

Males

3253

M45-49

3253

20K→HALF

12.4 - 13.1 mi

Top 12%
Γ—2
+19ft-37ft

Overall

3413

Males

3269

M45-49

3269

HALF→25K

13.1 - 15.5 mi

Top 12%
Γ—4
+66ft-88ft

Overall

3450

Males

3280

M45-49

3280

25K→30K

15.5 - 18.6 mi

Top 14%
Γ—9
+181ft-148ft

Overall

4015

Males

3729

M45-49

3729

30K→20M

18.6 - 20.0 mi

Top 14%
Γ—5
+64ft-50ft

Overall

4081

Males

3739

M45-49

3739

20M→21M

20.0 - 21.0 mi

Top 13%
Γ—8
+106ft-24ft

Overall

3903

Males

3529

M45-49

3529

21M→35K

21.0 - 21.8 mi

Top 13%
Γ—7
+17ft-86ft

Overall

3703

Males

3394

M45-49

3394

35K→23M

21.8 - 23.0 mi

Top 10%
Γ—5
+23ft-63ft

Overall

2801

Males

2606

M45-49

2606

23M→24M

23.0 - 24.0 mi

Top 10%
Γ—6
+12ft-82ft

Overall

2980

Males

2721

M45-49

2721

24M→40K

24.0 - 24.9 mi

Top 11%
Γ—1
+6ft-20ft

Overall

3297

Males

2971

M45-49

2971

40K→25.2M

24.9 - 25.2 mi

Top 16%
Γ—1
+13ft-16ft

Overall

4516

Males

3844

M45-49

3844

25.2M→FINISH

25.2 - 26.2 mi

Top 25%
Γ—2
+22ft-21ft

Overall

7249

Males

5628

M45-49

5628

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
523
Passed By
1249
Net Change
-1205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2039
5K β†’ 10K25200-284#2039#2323
10K β†’ 15K3200-567#2323#2890
15K β†’ 20K45177-132#2890#3022
20K β†’ HALF531-26#3022#3048
HALF β†’ 25K58103-45#3048#3093
25K β†’ 30K55168-113#3093#3206
30K β†’ 20M3683-47#3206#3253
20M β†’ 21M4540+5#3253#3248
21M β†’ 35K2636-10#3248#3258
35K β†’ 23M8524+61#3258#3197
23M β†’ 24M6920+49#3197#3148
24M β†’ 40K4527+18#3148#3130
40K β†’ 25.2M14140#3130#3130
25.2M β†’ FINISH12126-114#3130#3244
TOTALS5231249-1205
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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