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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Somchai Khemglad

Bib: 29868 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds
Personalized for Somchai

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 10:39/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
36:11
3.11 mi
Rank: #28626
Start → 5K
36:11 | 11:39/mi
10K
1:17:44
6.21 mi
Rank: #28901 (-275)
5K → 10K
41:33 | 13:23/mi
15K
1:59:38
9.32 mi
Rank: #28927 (-26)
10K → 15K
41:54 | 13:30/mi
20K
2:42:42
12.43 mi
Rank: #28938 (-11)
15K → 20K
43:04 | 13:52/mi
HALF
2:52:19
13.11 mi
Rank: #28940 (-2)
20K → HALF
9:37 | 14:07/mi
25K
3:28:48
15.53 mi
Rank: #28951 (-11)
HALF → 25K
36:29 | 15:03/mi
30K
4:17:41
18.64 mi
Rank: #28970 (-19)
25K → 30K
48:53 | 15:45/mi
20M
4:38:22
20.00 mi
Rank: #28969 (+1)
30K → 20M
20:41 | 15:14/mi
21M
4:55:41
21.00 mi
Rank: #28976 (-7)
20M → 21M
17:19 | 17:19/mi
35K
5:06:24
21.75 mi
Rank: #28976
21M → 35K
10:43 | 14:20/mi
23M
5:24:09
23.00 mi
Rank: #28969 (+7)
35K → 23M
17:45 | 14:11/mi
24M
5:38:20
24.00 mi
Rank: #28968 (+1)
23M → 24M
14:11 | 14:11/mi
40K
5:49:48
24.85 mi
Rank: #28966 (+2)
24M → 40K
11:28 | 13:25/mi
25.2M
5:54:09
25.20 mi
Rank: #28963 (+3)
40K → 25.2M
4:21 | 12:37/mi
FINISH
6:05:00
26.22 mi
Rank: #28942 (+21)
25.2M → FINISH
10:51 | 10:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:52:19
Pace13:09 /mi
2nd Half
Distance13.11 mi
Time3:12:41
Pace14:42 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:1236:1111:3936:11
11:39
-
10K
6.21 mi12:42:451:17:4412:3141:33
13:23
+1:44
15K
9.32 mi13:24:391:59:3812:5141:54
13:30
+0:07
20K
12.43 mi14:07:432:42:4213:0643:04
13:52
+0:22
HALF
13.11 mi14:17:202:52:1913:099:37
14:07
+0:15
25K
15.53 mi14:53:493:28:4813:2736:29
15:03
+0:56
30K
18.64 mi15:42:424:17:4113:5048:53
15:45
+0:42
20M
20.00 mi16:03:234:38:2213:5620:41
15:14
-0:31
21M
21.00 mi16:20:424:55:4114:0517:19
17:19
+2:05
35K
21.75 mi16:31:255:06:2414:0610:43
14:20
-2:59
23M
23.00 mi16:49:095:24:0914:0617:45
14:11
-0:09
24M
24.00 mi17:03:215:38:2014:0614:11
14:11
0:00
40K
24.85 mi17:14:495:49:4814:0511:28
13:25
-0:46
25.2M
25.20 mi17:19:105:54:0914:044:21
12:37
-0:48
FINISH
26.22 mi17:30:016:05:0013:5610:51
10:39
-1:58

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

10:39 /mi

Average Pace

13:56 /mi

Slowest Pace

17:19 /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

51:23

14% of race

Time at Steady Pace

3:10:15

52% of race

Time at Slower Pace

2:03:22

34% of race

Average Pace: 13:55 /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 mi12:01:1236:1111:3936:11
11:39
#28626
10K
6.21 mi12:42:451:17:4412:3141:33
13:23
#28901
15K
9.32 mi13:24:391:59:3812:5141:54
13:30
#28927
20K
12.43 mi14:07:432:42:4213:0643:04
13:52
#28938
HALF
13.11 mi14:17:202:52:1913:099:37
14:07
#28940
25K
15.53 mi14:53:493:28:4813:2736:29
15:03
#28951
30K
18.64 mi15:42:424:17:4113:5048:53
15:45
#28970
20M
20.00 mi16:03:234:38:2213:5620:41
15:14
#28969
21M
21.00 mi16:20:424:55:4114:0517:19
17:19
#28976
35K
21.75 mi16:31:255:06:2414:0610:43
14:20
#28976
23M
23.00 mi16:49:095:24:0914:0617:45
14:11
#28969
24M
24.00 mi17:03:215:38:2014:0614:11
14:11
#28968
40K
24.85 mi17:14:495:49:4814:0511:28
13:25
#28966
25.2M
25.20 mi17:19:105:54:0914:044:21
12:37
#28963
FINISH
26.22 mi17:30:016:05:0013:5610:51
10:39
#28942
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi28626162181621828933(Top 100%)16306(Top 100%)16306(Top 873%)
10K6.21 mi3.10 mi28901-27516301-8316301-8328970(Top 100%)16318(Top 100%)16318(Top 874%)
15K9.32 mi3.11 mi28927-2616310-916310-928933(Top 100%)16306(Top 100%)16306(Top 873%)
20K12.43 mi3.11 mi28938-1116311-116311-128872(Top 99%)16281(Top 100%)16281(Top 872%)
HALF13.11 mi0.68 mi28940-216312-116312-128928(Top 100%)16289(Top 100%)16289(Top 872%)
25K15.53 mi2.42 mi28951-1116314-216314-228915(Top 100%)16293(Top 100%)16293(Top 872%)
30K18.64 mi3.11 mi28970-1916318-416318-428899(Top 100%)16278(Top 100%)16278(Top 871%)
20M20.00 mi1.36 mi28969+116317+116317+128670(Top 99%)16163(Top 99%)16163(Top 865%)
21M21.00 mi1.00 mi28976-716320-316320-328869(Top 99%)16264(Top 100%)16264(Top 871%)
35K21.75 mi0.75 mi2897616319+116319+128492(Top 98%)16048(Top 98%)16048(Top 859%)
23M23.00 mi1.25 mi28969+716313+616313+628266(Top 97%)15936(Top 98%)15936(Top 853%)
24M24.00 mi1.00 mi28968+116312+116312+128437(Top 98%)16006(Top 98%)16006(Top 857%)
40K24.85 mi0.85 mi28966+216311+116311+127426(Top 95%)15499(Top 95%)15499(Top 830%)
25.2M25.20 mi0.35 mi28963+316310+116310+125539(Top 88%)14567(Top 89%)14567(Top 780%)
FINISH26.22 mi1.02 mi28942+2116299+1116299+1125389(Top 87%)14468(Top 89%)14468(Top 775%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21
+97ft-345ft

Overall

28933

Males

16306

M50-54

16306

5K→10K

3.1 - 6.2 mi

Top 100%
×5
+79ft-138ft

Overall

28970

Males

16318

M50-54

16318

10K→15K

6.2 - 9.3 mi

Top 100%
×3
+67ft-78ft

Overall

28933

Males

16306

M50-54

16306

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28872

Males

16281

M50-54

16281

20K→HALF

12.4 - 13.1 mi

Top 100%
×2
+19ft-37ft

Overall

28928

Males

16289

M50-54

16289

HALF→25K

13.1 - 15.5 mi

Top 100%
×4
+66ft-88ft

Overall

28915

Males

16293

M50-54

16293

25K→30K

15.5 - 18.6 mi

Top 100%
×9
+181ft-148ft

Overall

28899

Males

16278

M50-54

16278

30K→20M

18.6 - 20.0 mi

Top 99%
×5
+64ft-50ft

Overall

28670

Males

16163

M50-54

16163

20M→21M

20.0 - 21.0 mi

Top 99%
×8
+106ft-24ft

Overall

28869

Males

16264

M50-54

16264

21M→35K

21.0 - 21.8 mi

Top 98%
×7
+17ft-86ft

Overall

28492

Males

16048

M50-54

16048

35K→23M

21.8 - 23.0 mi

Top 97%
×5
+23ft-63ft

Overall

28266

Males

15936

M50-54

15936

23M→24M

23.0 - 24.0 mi

Top 98%
×6
+12ft-82ft

Overall

28437

Males

16006

M50-54

16006

24M→40K

24.0 - 24.9 mi

Top 95%
×1
+6ft-20ft

Overall

27426

Males

15499

M50-54

15499

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1
+13ft-16ft

Overall

25539

Males

14567

M50-54

14567

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
×2
+22ft-21ft

Overall

25389

Males

14468

M50-54

14468

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
73
Passed By
312
Net Change
-316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28626
5K → 10K2200-275#28626#28901
10K → 15K632-26#28901#28927
15K → 20K819-11#28927#28938
20K → HALF24-2#28938#28940
HALF → 25K516-11#28940#28951
25K → 30K726-19#28951#28970
30K → 20M32+1#28970#28969
20M → 21M18-7#28969#28976
21M → 35K330#28976#28976
35K → 23M70+7#28976#28969
23M → 24M21+1#28969#28968
24M → 40K31+2#28968#28966
40K → 25.2M30+3#28966#28963
25.2M → FINISH210+21#28963#28942
TOTALS73312-316
📊

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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