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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Charlotte Clulow

Bib: 13595 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
22:26
3.11 mi
Rank: #10382
Start → 5K
22:26 | 7:14/mi
10K
44:52
6.21 mi
Rank: #10390 (-8)
5K → 10K
22:26 | 7:14/mi
15K
1:07:01
9.32 mi
Rank: #10061 (+329)
10K → 15K
22:09 | 7:08/mi
20K
1:29:46
12.43 mi
Rank: #10105 (-44)
15K → 20K
22:45 | 7:20/mi
HALF
1:34:49
13.11 mi
Rank: #10203 (-98)
20K → HALF
5:03 | 7:25/mi
25K
1:53:01
15.53 mi
Rank: #10351 (-148)
HALF → 25K
18:12 | 7:31/mi
30K
2:44:46
18.64 mi
Rank: #21004 (-10653)
25K → 30K
51:45 | 16:40/mi
20M
2:55:46
20.00 mi
Rank: #20575 (+429)
30K → 20M
11:00 | 8:06/mi
21M
3:04:11
21.00 mi
Rank: #20196 (+379)
20M → 21M
8:25 | 8:25/mi
35K
3:10:01
21.75 mi
Rank: #19975 (+221)
21M → 35K
5:50 | 7:48/mi
23M
3:20:10
23.00 mi
Rank: #19626 (+349)
35K → 23M
10:09 | 8:07/mi
24M
3:28:18
24.00 mi
Rank: #19409 (+217)
23M → 24M
8:08 | 8:08/mi
40K
3:35:20
24.85 mi
Rank: #19217 (+192)
24M → 40K
7:02 | 8:14/mi
25.2M
3:38:27
25.20 mi
Rank: #19153 (+64)
40K → 25.2M
3:07 | 9:03/mi
FINISH
3:46:39
26.22 mi
Rank: #18997 (+156)
25.2M → FINISH
8:12 | 8:03/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
Time1:34:49
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time2:11:50
Pace10:04 /mi
📊Positive Split: 39.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1022:267:1422:26
7:14
-
10K
6.21 mi11:17:3644:527:1422:26
7:14
0:00
15K
9.32 mi11:39:451:07:017:1222:09
7:08
-0:06
20K
12.43 mi12:02:301:29:467:1422:45
7:20
+0:12
HALF
13.11 mi12:07:331:34:497:145:03
7:25
+0:05
25K
15.53 mi12:25:451:53:017:1718:12
7:31
+0:06
30K
18.64 mi13:17:302:44:468:5151:45
16:40
+9:09
20M
20.00 mi13:28:302:55:468:4811:00
8:06
-8:34
21M
21.00 mi13:36:553:04:118:478:25
8:25
+0:19
35K
21.75 mi13:42:453:10:018:455:50
7:48
-0:37
23M
23.00 mi13:52:543:20:108:4310:09
8:07
+0:19
24M
24.00 mi14:01:023:28:188:418:08
8:08
+0:01
40K
24.85 mi14:08:043:35:208:407:02
8:14
+0:06
25.2M
25.20 mi14:11:113:38:278:413:07
9:03
+0:49
FINISH
26.22 mi14:19:233:46:398:408:12
8:03
-1:00

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

8:39 /mi

Slowest Pace

16:40 /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

0:00

0% of race

Time at Steady Pace

2:54:54

77% of race

Time at Slower Pace

51:45

23% of race

Average Pace: 8:39 /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 mi10:55:1022:267:1422:26
7:14
#10382
10K
6.21 mi11:17:3644:527:1422:26
7:14
#10390
15K
9.32 mi11:39:451:07:017:1222:09
7:08
#10061
20K
12.43 mi12:02:301:29:467:1422:45
7:20
#10105
HALF
13.11 mi12:07:331:34:497:145:03
7:25
#10203
25K
15.53 mi12:25:451:53:017:1718:12
7:31
#10351
30K
18.64 mi13:17:302:44:468:5151:45
16:40
#21004
20M
20.00 mi13:28:302:55:468:4811:00
8:06
#20575
21M
21.00 mi13:36:553:04:118:478:25
8:25
#20196
35K
21.75 mi13:42:453:10:018:455:50
7:48
#19975
23M
23.00 mi13:52:543:20:108:4310:09
8:07
#19626
24M
24.00 mi14:01:023:28:188:418:08
8:08
#19409
40K
24.85 mi14:08:043:35:208:407:02
8:14
#19217
25.2M
25.20 mi14:11:113:38:278:413:07
9:03
#19153
FINISH
26.22 mi14:19:233:46:398:408:12
8:03
#18997
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10382207620769542(Top 33%)1730(Top 14%)1730(Top 30%)
10K6.21 mi3.10 mi10390-82091-152091-1510482(Top 36%)2153(Top 17%)2153(Top 38%)
15K9.32 mi3.11 mi10061+3291936+1551936+1559542(Top 33%)1730(Top 14%)1730(Top 30%)
20K12.43 mi3.11 mi10105-442005-692005-6910412(Top 36%)2261(Top 18%)2261(Top 40%)
HALF13.11 mi0.68 mi10203-982059-542059-5412323(Top 42%)3228(Top 26%)3228(Top 56%)
25K15.53 mi2.42 mi10351-1482159-1002159-10011492(Top 40%)2900(Top 23%)2900(Top 51%)
30K18.64 mi3.11 mi21004-106538185-60268185-602628965(Top 100%)12551(Top 100%)12551(Top 220%)
20M20.00 mi1.36 mi20575+4297969+2167969+21613572(Top 47%)4284(Top 34%)4284(Top 75%)
21M21.00 mi1.00 mi20196+3797782+1877782+18712645(Top 44%)3875(Top 31%)3875(Top 68%)
35K21.75 mi0.75 mi19975+2217675+1077675+10713129(Top 45%)4173(Top 33%)4173(Top 73%)
23M23.00 mi1.25 mi19626+3497528+1477528+14713253(Top 46%)4326(Top 34%)4326(Top 76%)
24M24.00 mi1.00 mi19409+2177422+1067422+10614703(Top 51%)5187(Top 41%)5187(Top 91%)
40K24.85 mi0.85 mi19217+1927331+917331+9114021(Top 48%)4901(Top 39%)4901(Top 86%)
25.2M25.20 mi0.35 mi19153+647302+297302+2915062(Top 52%)5512(Top 44%)5512(Top 96%)
FINISH26.22 mi1.02 mi18997+1567230+727230+7215510(Top 53%)5698(Top 45%)5698(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21
+97ft-345ft

Overall

9542

Females

1730

F18-39

1730

5K→10K

3.1 - 6.2 mi

Top 36%
×5
+79ft-138ft

Overall

10482

Females

2153

F18-39

2153

10K→15K

6.2 - 9.3 mi

Top 33%
×3
+67ft-78ft

Overall

9542

Females

1730

F18-39

1730

15K→20K

9.3 - 12.4 mi

Top 36%
×5
+106ft-86ft

Overall

10412

Females

2261

F18-39

2261

20K→HALF

12.4 - 13.1 mi

Top 42%
×2
+19ft-37ft

Overall

12323

Females

3228

F18-39

3228

HALF→25K

13.1 - 15.5 mi

Top 40%
×4
+66ft-88ft

Overall

11492

Females

2900

F18-39

2900

25K→30K

15.5 - 18.6 mi

Top 100%
×9
+181ft-148ft

Overall

28965

Females

12551

F18-39

12551

30K→20M

18.6 - 20.0 mi

Top 47%
×5
+64ft-50ft

Overall

13572

Females

4284

F18-39

4284

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12645

Females

3875

F18-39

3875

21M→35K

21.0 - 21.8 mi

Top 45%
×7
+17ft-86ft

Overall

13129

Females

4173

F18-39

4173

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13253

Females

4326

F18-39

4326

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14703

Females

5187

F18-39

5187

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

14021

Females

4901

F18-39

4901

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

15062

Females

5512

F18-39

5512

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15510

Females

5698

F18-39

5698

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2842*
Passed By
975
Net Change
-8615
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10382
5K → 10K200200-8#10382#10390
10K → 15K379*50+329#10390#10061
15K → 20K153197-44#10061#10105
20K → HALF8106-98#10105#10203
HALF → 25K73200-148#10203#10351
25K → 30K0200-10653#10351#21004
30K → 20M430*1+429#21004#20575
20M → 21M379*0+379#20575#20196
21M → 35K221*0+221#20196#19975
35K → 23M349*0+349#19975#19626
23M → 24M220*3+217#19626#19409
24M → 40K1975+192#19409#19217
40K → 25.2M673+64#19217#19153
25.2M → FINISH16610+156#19153#18997
TOTALS2842*975-8615

* 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

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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