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BOSTON MARATHON 2026

Ka Lai Lok

Bib: 20392•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 46%
Gender (Female)
#0 / 12578
Top 32%
Masters (Masters Women)
#0 / 6862
Top 16%
Age Group (F40-44)
#0 / 1737
Top 36%
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
23:56
3.11 mi
Rank: #14600
Start → 5K
23:56 | 7:43/mi
10K
48:01
6.21 mi
Rank: #14867 (-267)
5K → 10K
24:05 | 7:46/mi
15K
1:12:21
9.32 mi
Rank: #15106 (-239)
10K → 15K
24:20 | 7:50/mi
20K
1:36:44
12.43 mi
Rank: #15031 (+75)
15K → 20K
24:23 | 7:51/mi
HALF
1:42:01
13.11 mi
Rank: #15028 (+3)
20K → HALF
5:17 | 7:46/mi
25K
2:01:03
15.53 mi
Rank: #14875 (+153)
HALF → 25K
19:02 | 7:51/mi
30K
2:25:53
18.64 mi
Rank: #14572 (+303)
25K → 30K
24:50 | 8:00/mi
20M
2:36:33
20.00 mi
Rank: #14334 (+238)
30K → 20M
10:40 | 7:52/mi
21M
2:44:46
21.00 mi
Rank: #14124 (+210)
20M → 21M
8:13 | 8:13/mi
35K
2:50:31
21.75 mi
Rank: #14029 (+95)
21M → 35K
5:45 | 7:42/mi
23M
3:00:16
23.00 mi
Rank: #13834 (+195)
35K → 23M
9:45 | 7:48/mi
24M
3:07:57
24.00 mi
Rank: #13711 (+123)
23M → 24M
7:41 | 7:41/mi
40K
3:14:34
24.85 mi
Rank: #13581 (+130)
24M → 40K
6:37 | 7:45/mi
25.2M
3:17:28
25.20 mi
Rank: #13520 (+61)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:25:02
26.22 mi
Rank: #13383 (+137)
25.2M → FINISH
7:34 | 7:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:42:01
Pace7:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:01
Pace7:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0523:567:4323:56
7:43
-
10K
6.21 mi11:49:1048:017:4424:05
7:46
+0:03
15K
9.32 mi12:13:301:12:217:4624:20
7:50
+0:04
20K
12.43 mi12:37:531:36:447:4824:23
7:51
+0:01
HALF
13.11 mi12:43:101:42:017:475:17
7:46
-0:05
25K
15.53 mi13:02:122:01:037:4819:02
7:51
+0:05
30K
18.64 mi13:27:022:25:537:5024:50
8:00
+0:09
20M
20.00 mi13:37:422:36:337:5010:40
7:52
-0:08
21M
21.00 mi13:45:552:44:467:518:13
8:13
+0:21
35K
21.75 mi13:51:402:50:317:515:45
7:42
-0:31
23M
23.00 mi14:01:253:00:167:519:45
7:48
+0:06
24M
24.00 mi14:09:063:07:577:507:41
7:41
-0:07
40K
24.85 mi14:15:433:14:347:506:37
7:45
+0:04
25.2M
25.20 mi14:18:373:17:287:512:54
8:25
+0:40
FINISH
26.22 mi14:26:113:25:027:507:34
7:26
-0:59

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

7:26 /mi

Average Pace

7:50 /mi

Slowest Pace

8:25 /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

3:13:55

95% of race

Time at Steady Pace

11:07

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:25:0523:567:4323:56
7:43
#14600
10K
6.21 mi11:49:1048:017:4424:05
7:46
#14867
15K
9.32 mi12:13:301:12:217:4624:20
7:50
#15106
20K
12.43 mi12:37:531:36:447:4824:23
7:51
#15031
HALF
13.11 mi12:43:101:42:017:475:17
7:46
#15028
25K
15.53 mi13:02:122:01:037:4819:02
7:51
#14875
30K
18.64 mi13:27:022:25:537:5024:50
8:00
#14572
20M
20.00 mi13:37:422:36:337:5010:40
7:52
#14334
21M
21.00 mi13:45:552:44:467:518:13
8:13
#14124
35K
21.75 mi13:51:402:50:317:515:45
7:42
#14029
23M
23.00 mi14:01:253:00:167:519:45
7:48
#13834
24M
24.00 mi14:09:063:07:577:507:41
7:41
#13711
40K
24.85 mi14:15:433:14:347:506:37
7:45
#13581
25.2M
25.20 mi14:18:373:17:287:512:54
8:25
#13520
FINISH
26.22 mi14:26:113:25:027:507:34
7:26
#13383
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi146004433443315622(Top 54%)5120(Top 41%)5120(Top 295%)
10K6.21 mi3.10 mi14867-2674625-1924625-19215196(Top 52%)4824(Top 38%)4824(Top 278%)
15K9.32 mi3.11 mi15106-2394804-1794804-17915622(Top 54%)5120(Top 41%)5120(Top 295%)
20K12.43 mi3.11 mi15031+754762+424762+4214906(Top 51%)4739(Top 38%)4739(Top 273%)
HALF13.11 mi0.68 mi15028+34759+34759+315171(Top 52%)4807(Top 38%)4807(Top 277%)
25K15.53 mi2.42 mi14875+1534670+894670+8914227(Top 49%)4424(Top 35%)4424(Top 255%)
30K18.64 mi3.11 mi14572+3034544+1264544+12613448(Top 46%)4095(Top 33%)4095(Top 236%)
20M20.00 mi1.36 mi14334+2384425+1194425+11911773(Top 41%)3290(Top 26%)3290(Top 189%)
21M21.00 mi1.00 mi14124+2104324+1014324+10111341(Top 39%)3175(Top 25%)3175(Top 183%)
35K21.75 mi0.75 mi14029+954291+334291+3312268(Top 42%)3685(Top 29%)3685(Top 212%)
23M23.00 mi1.25 mi13834+1954213+784213+7811005(Top 38%)3123(Top 25%)3123(Top 180%)
24M24.00 mi1.00 mi13711+1234167+464167+4611472(Top 40%)3436(Top 27%)3436(Top 198%)
40K24.85 mi0.85 mi13581+1304108+594108+5910658(Top 37%)3098(Top 25%)3098(Top 178%)
25.2M25.20 mi0.35 mi13520+614083+254083+2511128(Top 38%)3419(Top 27%)3419(Top 197%)
FINISH26.22 mi1.02 mi13383+1374036+474036+4710906(Top 38%)3311(Top 26%)3311(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15622

Females

5120

F40-44

5120

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15196

Females

4824

F40-44

4824

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15622

Females

5120

F40-44

5120

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14906

Females

4739

F40-44

4739

20K→HALF

12.4 - 13.1 mi

Top 52%
×2
+19ft-37ft

Overall

15171

Females

4807

F40-44

4807

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14227

Females

4424

F40-44

4424

25K→30K

15.5 - 18.6 mi

Top 46%
×9
+181ft-148ft

Overall

13448

Females

4095

F40-44

4095

30K→20M

18.6 - 20.0 mi

Top 41%
×5
+64ft-50ft

Overall

11773

Females

3290

F40-44

3290

20M→21M

20.0 - 21.0 mi

Top 39%
×8
+106ft-24ft

Overall

11341

Females

3175

F40-44

3175

21M→35K

21.0 - 21.8 mi

Top 42%
×7
+17ft-86ft

Overall

12268

Females

3685

F40-44

3685

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

11005

Females

3123

F40-44

3123

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11472

Females

3436

F40-44

3436

24M→40K

24.0 - 24.9 mi

Top 37%
×1
+6ft-20ft

Overall

10658

Females

3098

F40-44

3098

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11128

Females

3419

F40-44

3419

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

10906

Females

3311

F40-44

3311

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2415
Passed By
1198
Net Change
+1217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14600
5K → 10K190457-267#14600#14867
10K → 15K124363-239#14867#15106
15K → 20K212137+75#15106#15031
20K → HALF3734+3#15031#15028
HALF → 25K22067+153#15028#14875
25K → 30K36158+303#14875#14572
30K → 20M2479+238#14572#14334
20M → 21M2166+210#14334#14124
21M → 35K1049+95#14124#14029
35K → 23M20914+195#14029#13834
23M → 24M13815+123#13834#13711
24M → 40K1388+130#13711#13581
40K → 25.2M654+61#13581#13520
25.2M → FINISH15417+137#13520#13383
TOTALS24151198+1217
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing