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BOSTON MARATHON 2026

Kam Yuk Mak

Bib: 19849•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 49%
Gender (Female)
#0 / 12578
Top 36%
Masters (Masters Women)
#0 / 6862
Top 20%
Age Group (F40-44)
#0 / 1737
Top 42%
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
24:03
3.11 mi
Rank: #14927
Start → 5K
24:03 | 7:45/mi
10K
48:38
6.21 mi
Rank: #15732 (-805)
5K → 10K
24:35 | 7:55/mi
15K
1:12:54
9.32 mi
Rank: #15600 (+132)
10K → 15K
24:16 | 7:49/mi
20K
1:37:43
12.43 mi
Rank: #15674 (-74)
15K → 20K
24:49 | 8:00/mi
HALF
1:42:58
13.11 mi
Rank: #15604 (+70)
20K → HALF
5:15 | 7:43/mi
25K
2:02:17
15.53 mi
Rank: #15525 (+79)
HALF → 25K
19:19 | 7:58/mi
30K
2:27:19
18.64 mi
Rank: #15226 (+299)
25K → 30K
25:02 | 8:04/mi
20M
2:38:11
20.00 mi
Rank: #15013 (+213)
30K → 20M
10:52 | 8:01/mi
21M
2:46:38
21.00 mi
Rank: #14833 (+180)
20M → 21M
8:27 | 8:27/mi
35K
2:52:20
21.75 mi
Rank: #14705 (+128)
21M → 35K
5:42 | 7:38/mi
23M
3:02:17
23.00 mi
Rank: #14521 (+184)
35K → 23M
9:57 | 7:58/mi
24M
3:09:57
24.00 mi
Rank: #14363 (+158)
23M → 24M
7:40 | 7:40/mi
40K
3:16:52
24.85 mi
Rank: #14310 (+53)
24M → 40K
6:55 | 8:06/mi
25.2M
3:19:49
25.20 mi
Rank: #14270 (+40)
40K → 25.2M
2:57 | 8:34/mi
FINISH
3:27:47
26.22 mi
Rank: #14265 (+5)
25.2M → FINISH
7:58 | 7:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:58
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:44:49
Pace8:00 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:2924:037:4524:03
7:45
-
10K
6.21 mi11:34:0448:387:5024:35
7:55
+0:10
15K
9.32 mi11:58:201:12:547:5024:16
7:49
-0:06
20K
12.43 mi12:23:091:37:437:5224:49
8:00
+0:11
HALF
13.11 mi12:28:241:42:587:525:15
7:43
-0:17
25K
15.53 mi12:47:432:02:177:5319:19
7:58
+0:15
30K
18.64 mi13:12:452:27:197:5525:02
8:04
+0:06
20M
20.00 mi13:23:372:38:117:5510:52
8:01
-0:03
21M
21.00 mi13:32:042:46:387:578:27
8:27
+0:26
35K
21.75 mi13:37:462:52:207:565:42
7:38
-0:49
23M
23.00 mi13:47:433:02:177:569:57
7:58
+0:20
24M
24.00 mi13:55:233:09:577:557:40
7:40
-0:18
40K
24.85 mi14:02:183:16:527:566:55
8:06
+0:26
25.2M
25.20 mi14:05:153:19:497:562:57
8:34
+0:28
FINISH
26.22 mi14:13:133:27:477:567:58
7:50
-0:44

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

7:38 /mi

Average Pace

7:56 /mi

Slowest Pace

8:34 /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

3:16:23

95% of race

Time at Steady Pace

11:24

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi11:09:2924:037:4524:03
7:45
#14927
10K
6.21 mi11:34:0448:387:5024:35
7:55
#15732
15K
9.32 mi11:58:201:12:547:5024:16
7:49
#15600
20K
12.43 mi12:23:091:37:437:5224:49
8:00
#15674
HALF
13.11 mi12:28:241:42:587:525:15
7:43
#15604
25K
15.53 mi12:47:432:02:177:5319:19
7:58
#15525
30K
18.64 mi13:12:452:27:197:5525:02
8:04
#15226
20M
20.00 mi13:23:372:38:117:5510:52
8:01
#15013
21M
21.00 mi13:32:042:46:387:578:27
8:27
#14833
35K
21.75 mi13:37:462:52:207:565:42
7:38
#14705
23M
23.00 mi13:47:433:02:177:569:57
7:58
#14521
24M
24.00 mi13:55:233:09:577:557:40
7:40
#14363
40K
24.85 mi14:02:183:16:527:566:55
8:06
#14310
25.2M
25.20 mi14:05:153:19:497:562:57
8:34
#14270
FINISH
26.22 mi14:13:133:27:477:567:58
7:50
#14265
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 mi149274638463815435(Top 53%)5003(Top 40%)5003(Top 288%)
10K6.21 mi3.10 mi15732-8055161-5235161-52316573(Top 57%)5653(Top 45%)5653(Top 325%)
15K9.32 mi3.11 mi15600+1325101+605101+6015435(Top 53%)5003(Top 40%)5003(Top 288%)
20K12.43 mi3.11 mi15674-745158-575158-5716027(Top 55%)5390(Top 43%)5390(Top 310%)
HALF13.11 mi0.68 mi15604+705122+365122+3614799(Top 51%)4601(Top 37%)4601(Top 265%)
25K15.53 mi2.42 mi15525+795088+345088+3415147(Top 52%)4943(Top 39%)4943(Top 285%)
30K18.64 mi3.11 mi15226+2994938+1504938+15013939(Top 48%)4366(Top 35%)4366(Top 251%)
20M20.00 mi1.36 mi15013+2134837+1014837+10112874(Top 44%)3878(Top 31%)3878(Top 223%)
21M21.00 mi1.00 mi14833+1804758+794758+7912846(Top 44%)3976(Top 32%)3976(Top 229%)
35K21.75 mi0.75 mi14705+1284693+654693+6511805(Top 41%)3449(Top 27%)3449(Top 199%)
23M23.00 mi1.25 mi14521+1844616+774616+7712155(Top 42%)3690(Top 29%)3690(Top 212%)
24M24.00 mi1.00 mi14363+1584542+744542+7411366(Top 39%)3371(Top 27%)3371(Top 194%)
40K24.85 mi0.85 mi14310+534540+24540+213111(Top 45%)4389(Top 35%)4389(Top 253%)
25.2M25.20 mi0.35 mi14270+404521+194521+1912081(Top 42%)3911(Top 31%)3911(Top 225%)
FINISH26.22 mi1.02 mi14265+54540-194540-1913928(Top 48%)4881(Top 39%)4881(Top 281%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15435

Females

5003

F40-44

5003

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16573

Females

5653

F40-44

5653

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15435

Females

5003

F40-44

5003

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

16027

Females

5390

F40-44

5390

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14799

Females

4601

F40-44

4601

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15147

Females

4943

F40-44

4943

25K→30K

15.5 - 18.6 mi

Top 48%
×9
+181ft-148ft

Overall

13939

Females

4366

F40-44

4366

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12874

Females

3878

F40-44

3878

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12846

Females

3976

F40-44

3976

21M→35K

21.0 - 21.8 mi

Top 41%
×7
+17ft-86ft

Overall

11805

Females

3449

F40-44

3449

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12155

Females

3690

F40-44

3690

23M→24M

23.0 - 24.0 mi

Top 39%
×6
+12ft-82ft

Overall

11366

Females

3371

F40-44

3371

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13111

Females

4389

F40-44

4389

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1
+13ft-16ft

Overall

12081

Females

3911

F40-44

3911

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13928

Females

4881

F40-44

4881

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2251
Passed By
1589
Net Change
+662
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14927
5K → 10K86891-805#14927#15732
10K → 15K266134+132#15732#15600
15K → 20K150224-74#15600#15674
20K → HALF8010+70#15674#15604
HALF → 25K17394+79#15604#15525
25K → 30K35758+299#15525#15226
30K → 20M2196+213#15226#15013
20M → 21M19818+180#15013#14833
21M → 35K1379+128#14833#14705
35K → 23M20218+184#14705#14521
23M → 24M1657+158#14521#14363
24M → 40K9744+53#14363#14310
40K → 25.2M5515+40#14310#14270
25.2M → FINISH6661+5#14270#14265
TOTALS22511589+662
📊

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