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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kai Leong Sham

Bib: 8877 •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

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
25:48
3.11 mi
Rank: #18891
Start → 5K
25:48 | 8:19/mi
10K
51:54
6.21 mi
Rank: #19334 (-443)
5K → 10K
26:06 | 8:25/mi
15K
1:18:01
9.32 mi
Rank: #19409 (-75)
10K → 15K
26:07 | 8:25/mi
20K
1:45:09
12.43 mi
Rank: #19695 (-286)
15K → 20K
27:08 | 8:45/mi
HALF
1:50:52
13.11 mi
Rank: #19686 (+9)
20K → HALF
5:43 | 8:24/mi
25K
2:11:35
15.53 mi
Rank: #19557 (+129)
HALF → 25K
20:43 | 8:33/mi
30K
2:38:32
18.64 mi
Rank: #19241 (+316)
25K → 30K
26:57 | 8:41/mi
20M
2:50:13
20.00 mi
Rank: #19047 (+194)
30K → 20M
11:41 | 8:37/mi
21M
2:59:20
21.00 mi
Rank: #18911 (+136)
20M → 21M
9:07 | 9:07/mi
35K
3:05:50
21.75 mi
Rank: #18878 (+33)
21M → 35K
6:30 | 8:42/mi
23M
3:16:39
23.00 mi
Rank: #18738 (+140)
35K → 23M
10:49 | 8:39/mi
24M
3:25:32
24.00 mi
Rank: #18735 (+3)
23M → 24M
8:53 | 8:53/mi
40K
3:32:57
24.85 mi
Rank: #18658 (+77)
24M → 40K
7:25 | 8:41/mi
25.2M
3:36:08
25.20 mi
Rank: #18622 (+36)
40K → 25.2M
3:11 | 9:14/mi
FINISH
3:44:51
26.22 mi
Rank: #18600 (+22)
25.2M → FINISH
8:43 | 8:34/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
Time1:50:52
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time1:53:59
Pace8:42 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:0425:488:1925:48
8:19
-
10K
6.21 mi11:36:1051:548:2226:06
8:25
+0:06
15K
9.32 mi12:02:171:18:018:2326:07
8:25
0:00
20K
12.43 mi12:29:251:45:098:2827:08
8:45
+0:20
HALF
13.11 mi12:35:081:50:528:285:43
8:24
-0:21
25K
15.53 mi12:55:512:11:358:2920:43
8:33
+0:09
30K
18.64 mi13:22:482:38:328:3126:57
8:41
+0:08
20M
20.00 mi13:34:292:50:138:3111:41
8:37
-0:04
21M
21.00 mi13:43:362:59:208:339:07
9:07
+0:30
35K
21.75 mi13:50:063:05:508:336:30
8:42
-0:25
23M
23.00 mi14:00:553:16:398:3410:49
8:39
-0:03
24M
24.00 mi14:09:483:25:328:348:53
8:53
+0:14
40K
24.85 mi14:17:133:32:578:357:25
8:41
-0:12
25.2M
25.20 mi14:20:243:36:088:353:11
9:14
+0:33
FINISH
26.22 mi14:29:073:44:518:358:43
8:34
-0:40

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

8:19 /mi

Average Pace

8:35 /mi

Slowest Pace

9:14 /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

3:41:40

99% of race

Time at Steady Pace

3:11

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:35 /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 mi11:10:0425:488:1925:48
8:19
#18891
10K
6.21 mi11:36:1051:548:2226:06
8:25
#19334
15K
9.32 mi12:02:171:18:018:2326:07
8:25
#19409
20K
12.43 mi12:29:251:45:098:2827:08
8:45
#19695
HALF
13.11 mi12:35:081:50:528:285:43
8:24
#19686
25K
15.53 mi12:55:512:11:358:2920:43
8:33
#19557
30K
18.64 mi13:22:482:38:328:3126:57
8:41
#19241
20M
20.00 mi13:34:292:50:138:3111:41
8:37
#19047
21M
21.00 mi13:43:362:59:208:339:07
9:07
#18911
35K
21.75 mi13:50:063:05:508:336:30
8:42
#18878
23M
23.00 mi14:00:553:16:398:3410:49
8:39
#18738
24M
24.00 mi14:09:483:25:328:348:53
8:53
#18735
40K
24.85 mi14:17:133:32:578:357:25
8:41
#18658
25.2M
25.20 mi14:20:243:36:088:353:11
9:14
#18622
FINISH
26.22 mi14:29:073:44:518:358:43
8:34
#18600
Faster pace
Steady pace
Slower pace

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 mi18891117851178519585(Top 67%)12136(Top 74%)12136(Top 650%)
10K6.21 mi3.10 mi19334-44311997-21211997-21219765(Top 68%)12213(Top 75%)12213(Top 654%)
15K9.32 mi3.11 mi19409-7512045-4812045-4819585(Top 67%)12136(Top 74%)12136(Top 650%)
20K12.43 mi3.11 mi19695-28612158-11312158-11320606(Top 71%)12567(Top 77%)12567(Top 673%)
HALF13.11 mi0.68 mi19686+912154+412154+419513(Top 67%)12095(Top 74%)12095(Top 647%)
25K15.53 mi2.42 mi19557+12912090+6412090+6418812(Top 65%)11718(Top 72%)11718(Top 627%)
30K18.64 mi3.11 mi19241+31611915+17511915+17517874(Top 62%)11206(Top 69%)11206(Top 600%)
20M20.00 mi1.36 mi19047+19411815+10011815+10016787(Top 58%)10647(Top 65%)10647(Top 570%)
21M21.00 mi1.00 mi18911+13611742+7311742+7316731(Top 58%)10586(Top 65%)10586(Top 567%)
35K21.75 mi0.75 mi18878+3311710+3211710+3218558(Top 64%)11305(Top 69%)11305(Top 605%)
23M23.00 mi1.25 mi18738+14011629+8111629+8116551(Top 57%)10328(Top 63%)10328(Top 553%)
24M24.00 mi1.00 mi18735+311614+1511614+1518926(Top 65%)11374(Top 70%)11374(Top 609%)
40K24.85 mi0.85 mi18658+7711562+5211562+5216708(Top 58%)10293(Top 63%)10293(Top 551%)
25.2M25.20 mi0.35 mi18622+3611547+1511547+1515934(Top 55%)9962(Top 61%)9962(Top 533%)
FINISH26.22 mi1.02 mi18600+2211519+2811519+2818413(Top 63%)11090(Top 68%)11090(Top 594%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19585

Males

12136

M50-54

12136

5K→10K

3.1 - 6.2 mi

Top 68%
×5
+79ft-138ft

Overall

19765

Males

12213

M50-54

12213

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19585

Males

12136

M50-54

12136

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20606

Males

12567

M50-54

12567

20K→HALF

12.4 - 13.1 mi

Top 67%
×2
+19ft-37ft

Overall

19513

Males

12095

M50-54

12095

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18812

Males

11718

M50-54

11718

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

17874

Males

11206

M50-54

11206

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16787

Males

10647

M50-54

10647

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16731

Males

10586

M50-54

10586

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18558

Males

11305

M50-54

11305

35K→23M

21.8 - 23.0 mi

Top 57%
×5
+23ft-63ft

Overall

16551

Males

10328

M50-54

10328

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18926

Males

11374

M50-54

11374

24M→40K

24.0 - 24.9 mi

Top 58%
×1
+6ft-20ft

Overall

16708

Males

10293

M50-54

10293

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1
+13ft-16ft

Overall

15934

Males

9962

M50-54

9962

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18413

Males

11090

M50-54

11090

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1797*
Passed By
972
Net Change
+291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18891
5K → 10K103200-443#18891#19334
10K → 15K146200-75#19334#19409
15K → 20K81200-286#19409#19695
20K → HALF3122+9#19695#19686
HALF → 25K18253+129#19686#19557
25K → 30K369*53+316#19557#19241
30K → 20M210*16+194#19241#19047
20M → 21M16125+136#19047#18911
21M → 35K7037+33#18911#18878
35K → 23M16121+140#18878#18738
23M → 24M6461+3#18738#18735
24M → 40K10124+77#18735#18658
40K → 25.2M437+36#18658#18622
25.2M → FINISH7553+22#18622#18600
TOTALS1797*972+291

* 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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