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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sanghyun Choi

Bib: 30044 β€’M β€’Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
32:29
3.11 mi
Rank: #27095
Start β†’ 5K
32:29 | 10:28/mi
10K
1:07:01
6.21 mi
Rank: #27527 (-432)
5K β†’ 10K
34:32 | 11:07/mi
15K
1:42:26
9.32 mi
Rank: #27707 (-180)
10K β†’ 15K
35:25 | 11:24/mi
20K
2:19:35
12.43 mi
Rank: #27815 (-108)
15K β†’ 20K
37:09 | 11:58/mi
HALF
2:27:30
13.11 mi
Rank: #27826 (-11)
20K β†’ HALF
7:55 | 11:37/mi
25K
2:57:42
15.53 mi
Rank: #27856 (-30)
HALF β†’ 25K
30:12 | 12:28/mi
30K
3:37:39
18.64 mi
Rank: #27833 (+23)
25K β†’ 30K
39:57 | 12:52/mi
20M
3:54:50
20.00 mi
Rank: #27795 (+38)
30K β†’ 20M
17:11 | 12:40/mi
21M
4:08:28
21.00 mi
Rank: #27760 (+35)
20M β†’ 21M
13:38 | 13:38/mi
35K
4:16:52
21.75 mi
Rank: #27712 (+48)
21M β†’ 35K
8:24 | 11:14/mi
23M
4:31:58
23.00 mi
Rank: #27651 (+61)
35K β†’ 23M
15:06 | 12:04/mi
24M
4:43:49
24.00 mi
Rank: #27619 (+32)
23M β†’ 24M
11:51 | 11:51/mi
40K
4:54:54
24.85 mi
Rank: #27609 (+10)
24M β†’ 40K
11:05 | 12:58/mi
25.2M
4:59:53
25.20 mi
Rank: #27607 (+2)
40K β†’ 25.2M
4:59 | 14:28/mi
FINISH
5:12:31
26.22 mi
Rank: #27619 (-12)
25.2M β†’ FINISH
12:38 | 12:24/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:27:30
Pace11:16 /mi
2nd Half
Distance13.11 mi
Time2:45:01
Pace12:36 /mi
πŸ“ŠPositive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:0932:2910:2832:29
10:28
-
10K
6.21 mi12:35:411:07:0110:4834:32
11:07
+0:39
15K
9.32 mi13:11:061:42:2611:0035:25
11:24
+0:17
20K
12.43 mi13:48:152:19:3511:1437:09
11:58
+0:34
HALF
13.11 mi13:56:102:27:3011:167:55
11:37
-0:21
25K
15.53 mi14:26:222:57:4211:2730:12
12:28
+0:51
30K
18.64 mi15:06:193:37:3911:4139:57
12:52
+0:24
20M
20.00 mi15:23:303:54:5011:4517:11
12:40
-0:12
21M
21.00 mi15:37:084:08:2811:5013:38
13:38
+0:58
35K
21.75 mi15:45:324:16:5211:498:24
11:14
-2:24
23M
23.00 mi16:00:384:31:5811:5015:06
12:04
+0:50
24M
24.00 mi16:12:294:43:4911:5011:51
11:51
-0:13
40K
24.85 mi16:23:344:54:5411:5211:05
12:58
+1:07
25.2M
25.20 mi16:28:334:59:5311:554:59
14:28
+1:30
FINISH
26.22 mi16:41:115:12:3111:5612:38
12:24
-2:04

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

10:28 /mi

Average Pace

11:56 /mi

Slowest Pace

14:28 /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

1:50:50

35% of race

Time at Steady Pace

1:54:51

37% of race

Time at Slower Pace

1:26:50

28% of race

Average Pace: 11:55 /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 mi12:01:0932:2910:2832:29
10:28
#27095
10K
6.21 mi12:35:411:07:0110:4834:32
11:07
#27527
15K
9.32 mi13:11:061:42:2611:0035:25
11:24
#27707
20K
12.43 mi13:48:152:19:3511:1437:09
11:58
#27815
HALF
13.11 mi13:56:102:27:3011:167:55
11:37
#27826
25K
15.53 mi14:26:222:57:4211:2730:12
12:28
#27856
30K
18.64 mi15:06:193:37:3911:4139:57
12:52
#27833
20M
20.00 mi15:23:303:54:5011:4517:11
12:40
#27795
21M
21.00 mi15:37:084:08:2811:5013:38
13:38
#27760
35K
21.75 mi15:45:324:16:5211:498:24
11:14
#27712
23M
23.00 mi16:00:384:31:5811:5015:06
12:04
#27651
24M
24.00 mi16:12:294:43:4911:5011:51
11:51
#27619
40K
24.85 mi16:23:344:54:5411:5211:05
12:58
#27609
25.2M
25.20 mi16:28:334:59:5311:554:59
14:28
#27607
FINISH
26.22 mi16:41:115:12:3111:5612:38
12:24
#27619
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi27095156651566527871(Top 96%)15937(Top 98%)15937(Top 278%)
10K6.21 mi3.10 mi27527-43215834-16915834-16927818(Top 96%)15919(Top 97%)15919(Top 278%)
15K9.32 mi3.11 mi27707-18015892-5815892-5827871(Top 96%)15937(Top 98%)15937(Top 278%)
20K12.43 mi3.11 mi27815-10815928-3615928-3627985(Top 96%)15973(Top 98%)15973(Top 279%)
HALF13.11 mi0.68 mi27826-11159281592827978(Top 96%)15930(Top 97%)15930(Top 278%)
25K15.53 mi2.42 mi27856-3015936-815936-827874(Top 96%)15903(Top 97%)15903(Top 278%)
30K18.64 mi3.11 mi27833+2315903+3315903+3327598(Top 95%)15725(Top 96%)15725(Top 275%)
20M20.00 mi1.36 mi27795+3815887+1615887+1627097(Top 93%)15450(Top 95%)15450(Top 270%)
21M21.00 mi1.00 mi27760+3515868+1915868+1927005(Top 93%)15348(Top 94%)15348(Top 268%)
35K21.75 mi0.75 mi27712+4815841+2715841+2725647(Top 88%)14701(Top 90%)14701(Top 257%)
23M23.00 mi1.25 mi27651+6115802+3915802+3926205(Top 90%)14945(Top 91%)14945(Top 261%)
24M24.00 mi1.00 mi27619+3215783+1915783+1926420(Top 91%)15002(Top 92%)15002(Top 262%)
40K24.85 mi0.85 mi27609+1015772+1115772+1127022(Top 93%)15281(Top 94%)15281(Top 267%)
25.2M25.20 mi0.35 mi27607+2157721577227581(Top 95%)15560(Top 95%)15560(Top 272%)
FINISH26.22 mi1.02 mi27619-1215767+515767+527802(Top 96%)15686(Top 96%)15686(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
Γ—21
+97ft-345ft

Overall

27871

Males

15937

M18-39

15937

5K→10K

3.1 - 6.2 mi

Top 96%
Γ—5
+79ft-138ft

Overall

27818

Males

15919

M18-39

15919

10K→15K

6.2 - 9.3 mi

Top 96%
Γ—3
+67ft-78ft

Overall

27871

Males

15937

M18-39

15937

15K→20K

9.3 - 12.4 mi

Top 96%
Γ—5
+106ft-86ft

Overall

27985

Males

15973

M18-39

15973

20K→HALF

12.4 - 13.1 mi

Top 96%
Γ—2
+19ft-37ft

Overall

27978

Males

15930

M18-39

15930

HALF→25K

13.1 - 15.5 mi

Top 96%
Γ—4
+66ft-88ft

Overall

27874

Males

15903

M18-39

15903

25K→30K

15.5 - 18.6 mi

Top 95%
Γ—9
+181ft-148ft

Overall

27598

Males

15725

M18-39

15725

30K→20M

18.6 - 20.0 mi

Top 93%
Γ—5
+64ft-50ft

Overall

27097

Males

15450

M18-39

15450

20M→21M

20.0 - 21.0 mi

Top 93%
Γ—8
+106ft-24ft

Overall

27005

Males

15348

M18-39

15348

21M→35K

21.0 - 21.8 mi

Top 88%
Γ—7
+17ft-86ft

Overall

25647

Males

14701

M18-39

14701

35K→23M

21.8 - 23.0 mi

Top 90%
Γ—5
+23ft-63ft

Overall

26205

Males

14945

M18-39

14945

23M→24M

23.0 - 24.0 mi

Top 91%
Γ—6
+12ft-82ft

Overall

26420

Males

15002

M18-39

15002

24M→40K

24.0 - 24.9 mi

Top 93%
Γ—1
+6ft-20ft

Overall

27022

Males

15281

M18-39

15281

40K→25.2M

24.9 - 25.2 mi

Top 95%
Γ—1
+13ft-16ft

Overall

27581

Males

15560

M18-39

15560

25.2M→FINISH

25.2 - 26.2 mi

Top 96%
Γ—2
+22ft-21ft

Overall

27802

Males

15686

M18-39

15686

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
627
Passed By
822
Net Change
-524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27095
5K β†’ 10K53200-432#27095#27527
10K β†’ 15K64200-180#27527#27707
15K β†’ 20K45153-108#27707#27815
20K β†’ HALF1425-11#27815#27826
HALF β†’ 25K5383-30#27826#27856
25K β†’ 30K8966+23#27856#27833
30K β†’ 20M4911+38#27833#27795
20M β†’ 21M4611+35#27795#27760
21M β†’ 35K480+48#27760#27712
35K β†’ 23M698+61#27712#27651
23M β†’ 24M419+32#27651#27619
24M β†’ 40K2717+10#27619#27609
40K β†’ 25.2M97+2#27609#27607
25.2M β†’ FINISH2032-12#27607#27619
TOTALS627822-524
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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Activity Data

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