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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Byeongkil Choi

Bib: 21788 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
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
29:28
3.11 mi
Rank: #24436
Start β†’ 5K
29:28 | 9:30/mi
10K
1:01:00
6.21 mi
Rank: #25403 (-967)
5K β†’ 10K
31:32 | 10:09/mi
15K
1:33:21
9.32 mi
Rank: #25861 (-458)
10K β†’ 15K
32:21 | 10:25/mi
20K
2:06:57
12.43 mi
Rank: #26115 (-254)
15K β†’ 20K
33:36 | 10:49/mi
HALF
2:14:16
13.11 mi
Rank: #26169 (-54)
20K β†’ HALF
7:19 | 10:45/mi
25K
2:43:05
15.53 mi
Rank: #26461 (-292)
HALF β†’ 25K
28:49 | 11:53/mi
30K
3:25:45
18.64 mi
Rank: #27046 (-585)
25K β†’ 30K
42:40 | 13:44/mi
20M
3:44:41
20.00 mi
Rank: #27180 (-134)
30K β†’ 20M
18:56 | 13:57/mi
21M
4:00:08
21.00 mi
Rank: #27315 (-135)
20M β†’ 21M
15:27 | 15:27/mi
35K
4:10:13
21.75 mi
Rank: #27369 (-54)
21M β†’ 35K
10:05 | 13:29/mi
23M
4:27:53
23.00 mi
Rank: #27458 (-89)
35K β†’ 23M
17:40 | 14:08/mi
24M
4:41:30
24.00 mi
Rank: #27511 (-53)
23M β†’ 24M
13:37 | 13:37/mi
40K
4:53:56
24.85 mi
Rank: #27559 (-48)
24M β†’ 40K
12:26 | 14:33/mi
25.2M
4:59:20
25.20 mi
Rank: #27590 (-31)
40K β†’ 25.2M
5:24 | 15:40/mi
FINISH
5:13:10
26.22 mi
Rank: #27655 (-65)
25.2M β†’ FINISH
13:50 | 13:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:14:16
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:58:54
Pace13:39 /mi
πŸ“ŠPositive Split: 33.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:1729:289:3029:28
9:30
-
10K
6.21 mi12:02:491:01:009:5031:32
10:09
+0:39
15K
9.32 mi12:35:101:33:2110:0132:21
10:25
+0:16
20K
12.43 mi13:08:462:06:5710:1333:36
10:49
+0:24
HALF
13.11 mi13:16:052:14:1610:157:19
10:45
-0:04
25K
15.53 mi13:44:542:43:0510:3028:49
11:53
+1:08
30K
18.64 mi14:27:343:25:4511:0342:40
13:44
+1:51
20M
20.00 mi14:46:303:44:4111:1518:56
13:57
+0:13
21M
21.00 mi15:01:574:00:0811:2715:27
15:27
+1:30
35K
21.75 mi15:12:024:10:1311:3110:05
13:29
-1:58
23M
23.00 mi15:29:424:27:5311:3917:40
14:08
+0:39
24M
24.00 mi15:43:194:41:3011:4413:37
13:37
-0:31
40K
24.85 mi15:55:454:53:5611:5012:26
14:33
+0:56
25.2M
25.20 mi16:01:094:59:2011:535:24
15:40
+1:07
FINISH
26.22 mi16:14:595:13:1011:5813:50
13:35
-2:05

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

9:30 /mi

Average Pace

11:57 /mi

Slowest Pace

15:40 /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

2:43:05

52% of race

Time at Steady Pace

2:09:14

41% of race

Time at Slower Pace

20:51

7% of race

Average Pace: 11:57 /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 mi11:31:1729:289:3029:28
9:30
#24436
10K
6.21 mi12:02:491:01:009:5031:32
10:09
#25403
15K
9.32 mi12:35:101:33:2110:0132:21
10:25
#25861
20K
12.43 mi13:08:462:06:5710:1333:36
10:49
#26115
HALF
13.11 mi13:16:052:14:1610:157:19
10:45
#26169
25K
15.53 mi13:44:542:43:0510:3028:49
11:53
#26461
30K
18.64 mi14:27:343:25:4511:0342:40
13:44
#27046
20M
20.00 mi14:46:303:44:4111:1518:56
13:57
#27180
21M
21.00 mi15:01:574:00:0811:2715:27
15:27
#27315
35K
21.75 mi15:12:024:10:1311:3110:05
13:29
#27369
23M
23.00 mi15:29:424:27:5311:3917:40
14:08
#27458
24M
24.00 mi15:43:194:41:3011:4413:37
13:37
#27511
40K
24.85 mi15:55:454:53:5611:5012:26
14:33
#27559
25.2M
25.20 mi16:01:094:59:2011:535:24
15:40
#27590
FINISH
26.22 mi16:14:595:13:1011:5813:50
13:35
#27655
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi24436144481444826523(Top 91%)15393(Top 94%)15393(Top 1017%)
10K6.21 mi3.10 mi25403-96714921-47314921-47326203(Top 90%)15272(Top 93%)15272(Top 1009%)
15K9.32 mi3.11 mi25861-45815122-20115122-20126523(Top 91%)15393(Top 94%)15393(Top 1017%)
20K12.43 mi3.11 mi26115-25415225-10315225-10326721(Top 92%)15455(Top 95%)15455(Top 1021%)
HALF13.11 mi0.68 mi26169-5415247-2215247-2227032(Top 93%)15553(Top 95%)15553(Top 1027%)
25K15.53 mi2.42 mi26461-29215359-11215359-11227396(Top 94%)15695(Top 96%)15695(Top 1037%)
30K18.64 mi3.11 mi27046-58515579-22015579-22028210(Top 97%)15974(Top 98%)15974(Top 1055%)
20M20.00 mi1.36 mi27180-13415628-4915628-4928078(Top 97%)15891(Top 97%)15891(Top 1050%)
21M21.00 mi1.00 mi27315-13515675-4715675-4728321(Top 98%)15980(Top 98%)15980(Top 1055%)
35K21.75 mi0.75 mi27369-5415694-1915694-1928026(Top 97%)15812(Top 97%)15812(Top 1044%)
23M23.00 mi1.25 mi27458-8915719-2515719-2528224(Top 97%)15918(Top 97%)15918(Top 1051%)
24M24.00 mi1.00 mi27511-5315734-1515734-1528110(Top 97%)15843(Top 97%)15843(Top 1046%)
40K24.85 mi0.85 mi27559-4815751-1715751-1728240(Top 97%)15905(Top 97%)15905(Top 1051%)
25.2M25.20 mi0.35 mi27590-3115762-1115762-1128270(Top 97%)15899(Top 97%)15899(Top 1050%)
FINISH26.22 mi1.02 mi27655-6515783-2115783-2128517(Top 98%)16050(Top 98%)16050(Top 1060%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
Γ—21
+97ft-345ft

Overall

26523

Males

15393

M60-64

15393

5K→10K

3.1 - 6.2 mi

Top 90%
Γ—5
+79ft-138ft

Overall

26203

Males

15272

M60-64

15272

10K→15K

6.2 - 9.3 mi

Top 91%
Γ—3
+67ft-78ft

Overall

26523

Males

15393

M60-64

15393

15K→20K

9.3 - 12.4 mi

Top 92%
Γ—5
+106ft-86ft

Overall

26721

Males

15455

M60-64

15455

20K→HALF

12.4 - 13.1 mi

Top 93%
Γ—2
+19ft-37ft

Overall

27032

Males

15553

M60-64

15553

HALF→25K

13.1 - 15.5 mi

Top 94%
Γ—4
+66ft-88ft

Overall

27396

Males

15695

M60-64

15695

25K→30K

15.5 - 18.6 mi

Top 97%
Γ—9
+181ft-148ft

Overall

28210

Males

15974

M60-64

15974

30K→20M

18.6 - 20.0 mi

Top 97%
Γ—5
+64ft-50ft

Overall

28078

Males

15891

M60-64

15891

20M→21M

20.0 - 21.0 mi

Top 98%
Γ—8
+106ft-24ft

Overall

28321

Males

15980

M60-64

15980

21M→35K

21.0 - 21.8 mi

Top 97%
Γ—7
+17ft-86ft

Overall

28026

Males

15812

M60-64

15812

35K→23M

21.8 - 23.0 mi

Top 97%
Γ—5
+23ft-63ft

Overall

28224

Males

15918

M60-64

15918

23M→24M

23.0 - 24.0 mi

Top 97%
Γ—6
+12ft-82ft

Overall

28110

Males

15843

M60-64

15843

24M→40K

24.0 - 24.9 mi

Top 97%
Γ—1
+6ft-20ft

Overall

28240

Males

15905

M60-64

15905

40K→25.2M

24.9 - 25.2 mi

Top 97%
Γ—1
+13ft-16ft

Overall

28270

Males

15899

M60-64

15899

25.2M→FINISH

25.2 - 26.2 mi

Top 98%
Γ—2
+22ft-21ft

Overall

28517

Males

16050

M60-64

16050

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
230
Passed By
1753
Net Change
-3219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#24436
5K β†’ 10K21200-967#24436#25403
10K β†’ 15K35200-458#25403#25861
15K β†’ 20K52200-254#25861#26115
20K β†’ HALF1367-54#26115#26169
HALF β†’ 25K18200-292#26169#26461
25K β†’ 30K14200-585#26461#27046
30K β†’ 20M8142-134#27046#27180
20M β†’ 21M11146-135#27180#27315
21M β†’ 35K862-54#27315#27369
35K β†’ 23M13102-89#27369#27458
23M β†’ 24M1366-53#27458#27511
24M β†’ 40K1361-48#27511#27559
40K β†’ 25.2M435-31#27559#27590
25.2M β†’ FINISH772-65#27590#27655
TOTALS2301753-3219
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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