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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chantal Bouffard

Bib: 23666 •F •Age: N/A

QC

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 33%
Age Group (F50-54)
#0 / 1233
Top 28%
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
25:45
3.11 mi
Rank: #18797
Start → 5K
25:45 | 8:18/mi
10K
51:41
6.21 mi
Rank: #19136 (-339)
5K → 10K
25:56 | 8:21/mi
15K
1:16:50
9.32 mi
Rank: #18664 (+472)
10K → 15K
25:09 | 8:06/mi
20K
1:41:38
12.43 mi
Rank: #18033 (+631)
15K → 20K
24:48 | 7:59/mi
HALF
1:47:04
13.11 mi
Rank: #17966 (+67)
20K → HALF
5:26 | 7:59/mi
25K
2:06:28
15.53 mi
Rank: #17583 (+383)
HALF → 25K
19:24 | 8:00/mi
30K
2:32:45
18.64 mi
Rank: #17349 (+234)
25K → 30K
26:17 | 8:28/mi
20M
2:44:27
20.00 mi
Rank: #17290 (+59)
30K → 20M
11:42 | 8:37/mi
21M
2:53:41
21.00 mi
Rank: #17268 (+22)
20M → 21M
9:14 | 9:14/mi
35K
2:59:29
21.75 mi
Rank: #17092 (+176)
21M → 35K
5:48 | 7:46/mi
23M
3:09:34
23.00 mi
Rank: #16828 (+264)
35K → 23M
10:05 | 8:04/mi
24M
3:17:36
24.00 mi
Rank: #16695 (+133)
23M → 24M
8:02 | 8:02/mi
40K
3:24:37
24.85 mi
Rank: #16568 (+127)
24M → 40K
7:01 | 8:13/mi
25.2M
3:27:47
25.20 mi
Rank: #16541 (+27)
40K → 25.2M
3:10 | 9:11/mi
FINISH
3:36:25
26.22 mi
Rank: #16594 (-53)
25.2M → FINISH
8:38 | 8:29/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
Time1:47:04
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:49:21
Pace8:21 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:0025:458:1825:45
8:18
-
10K
6.21 mi11:54:5651:418:2025:56
8:21
+0:03
15K
9.32 mi12:20:051:16:508:1525:09
8:06
-0:15
20K
12.43 mi12:44:531:41:388:1124:48
7:59
-0:07
HALF
13.11 mi12:50:191:47:048:115:26
7:59
0:00
25K
15.53 mi13:09:432:06:288:0919:24
8:00
+0:01
30K
18.64 mi13:36:002:32:458:1226:17
8:28
+0:28
20M
20.00 mi13:47:422:44:278:1411:42
8:37
+0:09
21M
21.00 mi13:56:562:53:418:179:14
9:14
+0:37
35K
21.75 mi14:02:442:59:298:165:48
7:46
-1:28
23M
23.00 mi14:12:493:09:348:1510:05
8:04
+0:18
24M
24.00 mi14:20:513:17:368:158:02
8:02
-0:02
40K
24.85 mi14:27:523:24:378:147:01
8:13
+0:11
25.2M
25.20 mi14:31:023:27:478:153:10
9:11
+0:58
FINISH
26.22 mi14:39:403:36:258:168:38
8:29
-0:42

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

7:46 /mi

Average Pace

8:16 /mi

Slowest Pace

9:14 /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

3:12:19

89% of race

Time at Steady Pace

11:42

5% of race

Time at Slower Pace

12:24

6% of race

Average Pace: 8:15 /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 mi11:29:0025:458:1825:45
8:18
#18797
10K
6.21 mi11:54:5651:418:2025:56
8:21
#19136
15K
9.32 mi12:20:051:16:508:1525:09
8:06
#18664
20K
12.43 mi12:44:531:41:388:1124:48
7:59
#18033
HALF
13.11 mi12:50:191:47:048:115:26
7:59
#17966
25K
15.53 mi13:09:432:06:288:0919:24
8:00
#17583
30K
18.64 mi13:36:002:32:458:1226:17
8:28
#17349
20M
20.00 mi13:47:422:44:278:1411:42
8:37
#17290
21M
21.00 mi13:56:562:53:418:179:14
9:14
#17268
35K
21.75 mi14:02:442:59:298:165:48
7:46
#17092
23M
23.00 mi14:12:493:09:348:1510:05
8:04
#16828
24M
24.00 mi14:20:513:17:368:158:02
8:02
#16695
40K
24.85 mi14:27:523:24:378:147:01
8:13
#16568
25.2M
25.20 mi14:31:023:27:478:153:10
9:11
#16541
FINISH
26.22 mi14:39:403:36:258:168:38
8:29
#16594
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi187976970697017675(Top 61%)6293(Top 50%)6293(Top 510%)
10K6.21 mi3.10 mi19136-3397144-1747144-17419470(Top 67%)7296(Top 58%)7296(Top 592%)
15K9.32 mi3.11 mi18664+4726856+2886856+28817675(Top 61%)6293(Top 50%)6293(Top 510%)
20K12.43 mi3.11 mi18033+6316504+3526504+35215999(Top 55%)5381(Top 43%)5381(Top 436%)
HALF13.11 mi0.68 mi17966+676469+356469+3516954(Top 58%)5894(Top 47%)5894(Top 478%)
25K15.53 mi2.42 mi17583+3836261+2086261+20815429(Top 53%)5101(Top 41%)5101(Top 414%)
30K18.64 mi3.11 mi17349+2346162+996162+9916655(Top 57%)5905(Top 47%)5905(Top 479%)
20M20.00 mi1.36 mi17290+596133+296133+2916879(Top 58%)6129(Top 49%)6129(Top 497%)
21M21.00 mi1.00 mi17268+226147-146147-1417338(Top 60%)6439(Top 51%)6439(Top 522%)
35K21.75 mi0.75 mi17092+1766069+786069+7812788(Top 44%)3988(Top 32%)3988(Top 323%)
23M23.00 mi1.25 mi16828+2645946+1235946+12312893(Top 44%)4098(Top 33%)4098(Top 332%)
24M24.00 mi1.00 mi16695+1335882+645882+6414054(Top 48%)4842(Top 38%)4842(Top 393%)
40K24.85 mi0.85 mi16568+1275835+475835+4713870(Top 48%)4823(Top 38%)4823(Top 391%)
25.2M25.20 mi0.35 mi16541+275834+15834+115764(Top 54%)5837(Top 46%)5837(Top 473%)
FINISH26.22 mi1.02 mi16594-535881-475881-4718020(Top 62%)7055(Top 56%)7055(Top 572%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21
+97ft-345ft

Overall

17675

Females

6293

F50-54

6293

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19470

Females

7296

F50-54

7296

10K→15K

6.2 - 9.3 mi

Top 61%
×3
+67ft-78ft

Overall

17675

Females

6293

F50-54

6293

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

15999

Females

5381

F50-54

5381

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16954

Females

5894

F50-54

5894

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15429

Females

5101

F50-54

5101

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16655

Females

5905

F50-54

5905

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16879

Females

6129

F50-54

6129

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17338

Females

6439

F50-54

6439

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12788

Females

3988

F50-54

3988

35K→23M

21.8 - 23.0 mi

Top 44%
×5
+23ft-63ft

Overall

12893

Females

4098

F50-54

4098

23M→24M

23.0 - 24.0 mi

Top 48%
×6
+12ft-82ft

Overall

14054

Females

4842

F50-54

4842

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

13870

Females

4823

F50-54

4823

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15764

Females

5837

F50-54

5837

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18020

Females

7055

F50-54

7055

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3105*
Passed By
630
Net Change
+2203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18797
5K → 10K133200-339#18797#19136
10K → 15K507*35+472#19136#18664
15K → 20K639*8+631#18664#18033
20K → HALF7811+67#18033#17966
HALF → 25K389*6+383#17966#17583
25K → 30K305*71+234#17583#17349
30K → 20M12162+59#17349#17290
20M → 21M10179+22#17290#17268
21M → 35K1782+176#17268#17092
35K → 23M267*3+264#17092#16828
23M → 24M14714+133#16828#16695
24M → 40K14316+127#16695#16568
40K → 25.2M4922+27#16568#16541
25.2M → FINISH48101-53#16541#16594
TOTALS3105*630+2203

* 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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Activity Data

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