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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Michelle Chau

Bib: 18979 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 47%
Masters (Masters Women)
#0 / 6862
Top 34%
Age Group (F40-44)
#0 / 1737
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
22:25
3.11 mi
Rank: #10343
Start → 5K
22:25 | 7:13/mi
10K
44:32
6.21 mi
Rank: #9921 (+422)
5K → 10K
22:07 | 7:08/mi
15K
1:07:12
9.32 mi
Rank: #10257 (-336)
10K → 15K
22:40 | 7:18/mi
20K
1:31:55
12.43 mi
Rank: #11695 (-1438)
15K → 20K
24:43 | 7:58/mi
HALF
1:37:00
13.11 mi
Rank: #11752 (-57)
20K → HALF
5:05 | 7:28/mi
25K
1:57:09
15.53 mi
Rank: #12769 (-1017)
HALF → 25K
20:09 | 8:19/mi
30K
2:23:38
18.64 mi
Rank: #13571 (-802)
25K → 30K
26:29 | 8:32/mi
20M
2:36:30
20.00 mi
Rank: #14311 (-740)
30K → 20M
12:52 | 9:29/mi
21M
2:46:57
21.00 mi
Rank: #14949 (-638)
20M → 21M
10:27 | 10:27/mi
35K
2:53:53
21.75 mi
Rank: #15278 (-329)
21M → 35K
6:56 | 9:17/mi
23M
3:06:28
23.00 mi
Rank: #15912 (-634)
35K → 23M
12:35 | 10:04/mi
24M
3:15:38
24.00 mi
Rank: #16129 (-217)
23M → 24M
9:10 | 9:10/mi
40K
3:23:54
24.85 mi
Rank: #16352 (-223)
24M → 40K
8:16 | 9:41/mi
25.2M
3:27:49
25.20 mi
Rank: #16551 (-199)
40K → 25.2M
3:55 | 11:22/mi
FINISH
3:36:48
26.22 mi
Rank: #16684 (-133)
25.2M → FINISH
8:59 | 8:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:00
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:59:48
Pace9:09 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:3322:257:1322:25
7:13
-
10K
6.21 mi11:27:4044:327:1122:07
7:08
-0:05
15K
9.32 mi11:50:201:07:127:1322:40
7:18
+0:10
20K
12.43 mi12:15:031:31:557:2424:43
7:58
+0:40
HALF
13.11 mi12:20:081:37:007:245:05
7:28
-0:30
25K
15.53 mi12:40:171:57:097:3320:09
8:19
+0:51
30K
18.64 mi13:06:462:23:387:4326:29
8:32
+0:13
20M
20.00 mi13:19:382:36:307:5012:52
9:29
+0:57
21M
21.00 mi13:30:052:46:577:5810:27
10:27
+0:58
35K
21.75 mi13:37:012:53:538:006:56
9:17
-1:10
23M
23.00 mi13:49:363:06:288:0712:35
10:04
+0:47
24M
24.00 mi13:58:463:15:388:109:10
9:10
-0:54
40K
24.85 mi14:07:023:23:548:138:16
9:41
+0:31
25.2M
25.20 mi14:10:573:27:498:153:55
11:22
+1:41
FINISH
26.22 mi14:19:563:36:488:178:59
8:49
-2:33

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

7:08 /mi

Average Pace

8:16 /mi

Slowest Pace

11:22 /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

1:37:00

45% of race

Time at Steady Pace

1:11:43

33% of race

Time at Slower Pace

48:05

22% of race

Average Pace: 8:16 /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 mi11:05:3322:257:1322:25
7:13
#10343
10K
6.21 mi11:27:4044:327:1122:07
7:08
#9921
15K
9.32 mi11:50:201:07:127:1322:40
7:18
#10257
20K
12.43 mi12:15:031:31:557:2424:43
7:58
#11695
HALF
13.11 mi12:20:081:37:007:245:05
7:28
#11752
25K
15.53 mi12:40:171:57:097:3320:09
8:19
#12769
30K
18.64 mi13:06:462:23:387:4326:29
8:32
#13571
20M
20.00 mi13:19:382:36:307:5012:52
9:29
#14311
21M
21.00 mi13:30:052:46:577:5810:27
10:27
#14949
35K
21.75 mi13:37:012:53:538:006:56
9:17
#15278
23M
23.00 mi13:49:363:06:288:0712:35
10:04
#15912
24M
24.00 mi13:58:463:15:388:109:10
9:10
#16129
40K
24.85 mi14:07:023:23:548:138:16
9:41
#16352
25.2M
25.20 mi14:10:573:27:498:153:55
11:22
#16551
FINISH
26.22 mi14:19:563:36:488:178:59
8:49
#16684
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 mi103432056205611036(Top 38%)2501(Top 20%)2501(Top 144%)
10K6.21 mi3.10 mi9921+4221845+2111845+2119550(Top 33%)1695(Top 13%)1695(Top 98%)
15K9.32 mi3.11 mi10257-3362050-2052050-20511036(Top 38%)2501(Top 20%)2501(Top 144%)
20K12.43 mi3.11 mi11695-14382836-7862836-78615812(Top 54%)5279(Top 42%)5279(Top 304%)
HALF13.11 mi0.68 mi11752-572866-302866-3012761(Top 44%)3479(Top 28%)3479(Top 200%)
25K15.53 mi2.42 mi12769-10173461-5953461-59517488(Top 60%)6267(Top 50%)6267(Top 361%)
30K18.64 mi3.11 mi13571-8023956-4953956-49517060(Top 59%)6129(Top 49%)6129(Top 353%)
20M20.00 mi1.36 mi14311-7404410-4544410-45420954(Top 72%)8321(Top 66%)8321(Top 479%)
21M21.00 mi1.00 mi14949-6384830-4204830-42021817(Top 75%)8799(Top 70%)8799(Top 507%)
35K21.75 mi0.75 mi15278-3295034-2045034-20421049(Top 73%)8457(Top 67%)8457(Top 487%)
23M23.00 mi1.25 mi15912-6345435-4015435-40122298(Top 77%)9148(Top 73%)9148(Top 527%)
24M24.00 mi1.00 mi16129-2175570-1355570-13520140(Top 69%)8116(Top 65%)8116(Top 467%)
40K24.85 mi0.85 mi16352-2235722-1525722-15220951(Top 72%)8550(Top 68%)8550(Top 492%)
25.2M25.20 mi0.35 mi16551-1995839-1175839-11723217(Top 80%)9719(Top 77%)9719(Top 560%)
FINISH26.22 mi1.02 mi16684-1335933-945933-9419714(Top 68%)7932(Top 63%)7932(Top 457%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21
+97ft-345ft

Overall

11036

Females

2501

F40-44

2501

5K→10K

3.1 - 6.2 mi

Top 33%
×5
+79ft-138ft

Overall

9550

Females

1695

F40-44

1695

10K→15K

6.2 - 9.3 mi

Top 38%
×3
+67ft-78ft

Overall

11036

Females

2501

F40-44

2501

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15812

Females

5279

F40-44

5279

20K→HALF

12.4 - 13.1 mi

Top 44%
×2
+19ft-37ft

Overall

12761

Females

3479

F40-44

3479

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17488

Females

6267

F40-44

6267

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17060

Females

6129

F40-44

6129

30K→20M

18.6 - 20.0 mi

Top 72%
×5
+64ft-50ft

Overall

20954

Females

8321

F40-44

8321

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21817

Females

8799

F40-44

8799

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21049

Females

8457

F40-44

8457

35K→23M

21.8 - 23.0 mi

Top 77%
×5
+23ft-63ft

Overall

22298

Females

9148

F40-44

9148

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

20140

Females

8116

F40-44

8116

24M→40K

24.0 - 24.9 mi

Top 72%
×1
+6ft-20ft

Overall

20951

Females

8550

F40-44

8550

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23217

Females

9719

F40-44

9719

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19714

Females

7932

F40-44

7932

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
839*
Passed By
2520
Net Change
-6341
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10343
5K → 10K512*90+422#10343#9921
10K → 15K76200-336#9921#10257
15K → 20K11200-1438#10257#11695
20K → HALF1168-57#11695#11752
HALF → 25K22200-1017#11752#12769
25K → 30K53200-802#12769#13571
30K → 20M18200-740#13571#14311
20M → 21M22200-638#14311#14949
21M → 35K18200-329#14949#15278
35K → 23M18200-634#15278#15912
23M → 24M15200-217#15912#16129
24M → 40K29200-223#16129#16352
40K → 25.2M5200-199#16352#16551
25.2M → FINISH29162-133#16551#16684
TOTALS839*2520-6341

* 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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Qualifying & Age Grade

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OTQ

Olympic Trials Qualifying analysis available

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