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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Lei Chen

Bib: 24749 β€’F β€’Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Race Day Weather
51Β°/41Β°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
30:48
3.11 mi
Rank: #25711
Start β†’ 5K
30:48 | 9:55/mi
10K
1:01:17
6.21 mi
Rank: #25552 (+159)
5K β†’ 10K
30:29 | 9:49/mi
15K
1:31:00
9.32 mi
Rank: #25196 (+356)
10K β†’ 15K
29:43 | 9:34/mi
20K
2:05:18
12.43 mi
Rank: #25800 (-604)
15K β†’ 20K
34:18 | 11:03/mi
HALF
2:16:03
13.11 mi
Rank: #26456 (-656)
20K β†’ HALF
10:45 | 15:47/mi
25K
2:41:22
15.53 mi
Rank: #26284 (+172)
HALF β†’ 25K
25:19 | 10:27/mi
30K
3:18:49
18.64 mi
Rank: #26435 (-151)
25K β†’ 30K
37:27 | 12:04/mi
20M
3:33:48
20.00 mi
Rank: #26329 (+106)
30K β†’ 20M
14:59 | 11:02/mi
21M
3:45:16
21.00 mi
Rank: #26209 (+120)
20M β†’ 21M
11:28 | 11:28/mi
35K
3:53:53
21.75 mi
Rank: #26215 (-6)
21M β†’ 35K
8:37 | 11:32/mi
23M
4:07:52
23.00 mi
Rank: #26153 (+62)
35K β†’ 23M
13:59 | 11:11/mi
24M
4:17:45
24.00 mi
Rank: #26019 (+134)
23M β†’ 24M
9:53 | 9:53/mi
40K
4:26:59
24.85 mi
Rank: #25952 (+67)
24M β†’ 40K
9:14 | 10:48/mi
25.2M
4:31:27
25.20 mi
Rank: #25958 (-6)
40K β†’ 25.2M
4:28 | 12:58/mi
FINISH
4:41:56
26.22 mi
Rank: #25904 (+54)
25.2M β†’ FINISH
10:29 | 10:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:16:03
Pace10:23 /mi
2nd Half
Distance13.11 mi
Time2:25:53
Pace11:08 /mi
πŸ“ŠPositive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:37:5930:489:5530:48
9:55
-
10K
6.21 mi12:08:281:01:179:5230:29
9:49
-0:06
15K
9.32 mi12:38:111:31:009:4629:43
9:34
-0:15
20K
12.43 mi13:12:292:05:1810:0534:18
11:03
+1:29
HALF
13.11 mi13:23:142:16:0310:2310:45
15:47
+4:44
25K
15.53 mi13:48:332:41:2210:2425:19
10:27
-5:20
30K
18.64 mi14:26:003:18:4910:4037:27
12:04
+1:37
20M
20.00 mi14:40:593:33:4810:4214:59
11:02
-1:02
21M
21.00 mi14:52:273:45:1610:4411:28
11:28
+0:26
35K
21.75 mi15:01:043:53:5310:468:37
11:32
+0:04
23M
23.00 mi15:15:034:07:5210:4713:59
11:11
-0:21
24M
24.00 mi15:24:564:17:4510:459:53
9:53
-1:18
40K
24.85 mi15:34:104:26:5910:459:14
10:48
+0:55
25.2M
25.20 mi15:38:384:31:2710:474:28
12:58
+2:10
FINISH
26.22 mi15:49:074:41:5610:4610:29
10:18
-2:40

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:34 /mi

Average Pace

10:46 /mi

Slowest Pace

15:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:40:53

36% of race

Time at Steady Pace

2:08:23

46% of race

Time at Slower Pace

52:40

19% of race

Average Pace: 10:45 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:37:5930:489:5530:48
9:55
#25711
10K
6.21 mi12:08:281:01:179:5230:29
9:49
#25552
15K
9.32 mi12:38:111:31:009:4629:43
9:34
#25196
20K
12.43 mi13:12:292:05:1810:0534:18
11:03
#25800
HALF
13.11 mi13:23:142:16:0310:2310:45
15:47
#26456
25K
15.53 mi13:48:332:41:2210:2425:19
10:27
#26284
30K
18.64 mi14:26:003:18:4910:4037:27
12:04
#26435
20M
20.00 mi14:40:593:33:4810:4214:59
11:02
#26329
21M
21.00 mi14:52:273:45:1610:4411:28
11:28
#26209
35K
21.75 mi15:01:043:53:5310:468:37
11:32
#26215
23M
23.00 mi15:15:034:07:5210:4713:59
11:11
#26153
24M
24.00 mi15:24:564:17:4510:459:53
9:53
#26019
40K
24.85 mi15:34:104:26:5910:459:14
10:48
#25952
25.2M
25.20 mi15:38:384:31:2710:474:28
12:58
#25958
FINISH
26.22 mi15:49:074:41:5610:4610:29
10:18
#25904
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi25711105511055124608(Top 85%)9976(Top 79%)9976(Top 1049%)
10K6.21 mi3.10 mi25552+15910472+7910472+7925391(Top 87%)10375(Top 82%)10375(Top 1091%)
15K9.32 mi3.11 mi25196+35610287+18510287+18524608(Top 85%)9976(Top 79%)9976(Top 1049%)
20K12.43 mi3.11 mi25800-60410603-31610603-31627004(Top 93%)11312(Top 90%)11312(Top 1189%)
HALF13.11 mi0.68 mi26456-65610986-38310986-38328988(Top 100%)12566(Top 100%)12566(Top 1321%)
25K15.53 mi2.42 mi26284+17210901+8510901+8525333(Top 87%)10424(Top 83%)10424(Top 1096%)
30K18.64 mi3.11 mi26435-15111020-11911020-11926848(Top 93%)11370(Top 90%)11370(Top 1196%)
20M20.00 mi1.36 mi26329+10610969+5110969+5124990(Top 86%)10436(Top 83%)10436(Top 1097%)
21M21.00 mi1.00 mi26209+12010913+5610913+5624140(Top 83%)10058(Top 80%)10058(Top 1058%)
35K21.75 mi0.75 mi26215-610922-910922-926101(Top 90%)11090(Top 88%)11090(Top 1166%)
23M23.00 mi1.25 mi26153+6210902+2010902+2024861(Top 86%)10509(Top 84%)10509(Top 1105%)
24M24.00 mi1.00 mi26019+13410843+5910843+5922495(Top 78%)9292(Top 74%)9292(Top 977%)
40K24.85 mi0.85 mi25952+6710815+2810815+2823847(Top 82%)10060(Top 80%)10060(Top 1058%)
25.2M25.20 mi0.35 mi25958-610823-810823-826009(Top 90%)11118(Top 88%)11118(Top 1169%)
FINISH26.22 mi1.02 mi25904+5410809+1410809+1424583(Top 85%)10413(Top 83%)10413(Top 1095%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
Γ—21
+97ft-345ft

Overall

24608

Females

9976

F55-59

9976

5K→10K

3.1 - 6.2 mi

Top 87%
Γ—5
+79ft-138ft

Overall

25391

Females

10375

F55-59

10375

10K→15K

6.2 - 9.3 mi

Top 85%
Γ—3
+67ft-78ft

Overall

24608

Females

9976

F55-59

9976

15K→20K

9.3 - 12.4 mi

Top 93%
Γ—5
+106ft-86ft

Overall

27004

Females

11312

F55-59

11312

20K→HALF

12.4 - 13.1 mi

Top 100%
Γ—2
+19ft-37ft

Overall

28988

Females

12566

F55-59

12566

HALF→25K

13.1 - 15.5 mi

Top 87%
Γ—4
+66ft-88ft

Overall

25333

Females

10424

F55-59

10424

25K→30K

15.5 - 18.6 mi

Top 93%
Γ—9
+181ft-148ft

Overall

26848

Females

11370

F55-59

11370

30K→20M

18.6 - 20.0 mi

Top 86%
Γ—5
+64ft-50ft

Overall

24990

Females

10436

F55-59

10436

20M→21M

20.0 - 21.0 mi

Top 83%
Γ—8
+106ft-24ft

Overall

24140

Females

10058

F55-59

10058

21M→35K

21.0 - 21.8 mi

Top 90%
Γ—7
+17ft-86ft

Overall

26101

Females

11090

F55-59

11090

35K→23M

21.8 - 23.0 mi

Top 86%
Γ—5
+23ft-63ft

Overall

24861

Females

10509

F55-59

10509

23M→24M

23.0 - 24.0 mi

Top 78%
Γ—6
+12ft-82ft

Overall

22495

Females

9292

F55-59

9292

24M→40K

24.0 - 24.9 mi

Top 82%
Γ—1
+6ft-20ft

Overall

23847

Females

10060

F55-59

10060

40K→25.2M

24.9 - 25.2 mi

Top 90%
Γ—1
+13ft-16ft

Overall

26009

Females

11118

F55-59

11118

25.2M→FINISH

25.2 - 26.2 mi

Top 85%
Γ—2
+22ft-21ft

Overall

24583

Females

10413

F55-59

10413

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1553*
Passed By
853
Net Change
-193
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25711
5K β†’ 10K290*131+159#25711#25552
10K β†’ 15K380*24+356#25552#25196
15K β†’ 20K19200-604#25196#25800
20K β†’ HALF0200-656#25800#26456
HALF β†’ 25K18412+172#26456#26284
25K β†’ 30K63200-151#26284#26435
30K β†’ 20M1093+106#26435#26329
20M β†’ 21M1255+120#26329#26209
21M β†’ 35K2733-6#26209#26215
35K β†’ 23M7715+62#26215#26153
23M β†’ 24M1362+134#26153#26019
24M β†’ 40K681+67#26019#25952
40K β†’ 25.2M1117-6#25952#25958
25.2M β†’ FINISH6410+54#25958#25904
TOTALS1553*853-193

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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