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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Carolina Demant

Bib: 21891 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 47%
Age Group (F45-49)
#0 / 1786
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
26:24
3.11 mi
Rank: #20067
Start → 5K
26:24 | 8:30/mi
10K
52:50
6.21 mi
Rank: #20184 (-117)
5K → 10K
26:26 | 8:31/mi
15K
1:19:13
9.32 mi
Rank: #20136 (+48)
10K → 15K
26:23 | 8:30/mi
20K
1:45:45
12.43 mi
Rank: #19970 (+166)
15K → 20K
26:32 | 8:33/mi
HALF
1:51:32
13.11 mi
Rank: #19981 (-11)
20K → HALF
5:47 | 8:30/mi
25K
2:12:13
15.53 mi
Rank: #19779 (+202)
HALF → 25K
20:41 | 8:32/mi
30K
2:39:38
18.64 mi
Rank: #19580 (+199)
25K → 30K
27:25 | 8:50/mi
20M
2:51:38
20.00 mi
Rank: #19457 (+123)
30K → 20M
12:00 | 8:51/mi
21M
3:00:52
21.00 mi
Rank: #19319 (+138)
20M → 21M
9:14 | 9:14/mi
35K
3:07:27
21.75 mi
Rank: #19303 (+16)
21M → 35K
6:35 | 8:48/mi
23M
3:18:10
23.00 mi
Rank: #19118 (+185)
35K → 23M
10:43 | 8:34/mi
24M
3:26:31
24.00 mi
Rank: #18979 (+139)
23M → 24M
8:21 | 8:21/mi
40K
3:33:55
24.85 mi
Rank: #18872 (+107)
24M → 40K
7:24 | 8:40/mi
25.2M
3:37:15
25.20 mi
Rank: #18863 (+9)
40K → 25.2M
3:20 | 9:40/mi
FINISH
3:45:34
26.22 mi
Rank: #18769 (+94)
25.2M → FINISH
8:19 | 8:10/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
Time1:51:32
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time1:54:02
Pace8:42 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4426:248:3026:24
8:30
-
10K
6.21 mi11:54:1052:508:3126:26
8:31
+0:01
15K
9.32 mi12:20:331:19:138:3026:23
8:30
-0:01
20K
12.43 mi12:47:051:45:458:3126:32
8:33
+0:03
HALF
13.11 mi12:52:521:51:328:315:47
8:30
-0:03
25K
15.53 mi13:13:332:12:138:3120:41
8:32
+0:02
30K
18.64 mi13:40:582:39:388:3427:25
8:50
+0:18
20M
20.00 mi13:52:582:51:388:3512:00
8:51
+0:01
21M
21.00 mi14:02:123:00:528:379:14
9:14
+0:23
35K
21.75 mi14:08:473:07:278:386:35
8:48
-0:26
23M
23.00 mi14:19:303:18:108:3710:43
8:34
-0:14
24M
24.00 mi14:27:513:26:318:378:21
8:21
-0:13
40K
24.85 mi14:35:153:33:558:377:24
8:40
+0:19
25.2M
25.20 mi14:38:353:37:158:383:20
9:40
+1:00
FINISH
26.22 mi14:46:543:45:348:378:19
8:10
-1:30

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

8:10 /mi

Average Pace

8:37 /mi

Slowest Pace

9:40 /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

3:33:00

94% of race

Time at Steady Pace

9:14

4% of race

Time at Slower Pace

3:20

1% of race

Average Pace: 8:36 /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 mi11:27:4426:248:3026:24
8:30
#20067
10K
6.21 mi11:54:1052:508:3126:26
8:31
#20184
15K
9.32 mi12:20:331:19:138:3026:23
8:30
#20136
20K
12.43 mi12:47:051:45:458:3126:32
8:33
#19970
HALF
13.11 mi12:52:521:51:328:315:47
8:30
#19981
25K
15.53 mi13:13:332:12:138:3120:41
8:32
#19779
30K
18.64 mi13:40:582:39:388:3427:25
8:50
#19580
20M
20.00 mi13:52:582:51:388:3512:00
8:51
#19457
21M
21.00 mi14:02:123:00:528:379:14
9:14
#19319
35K
21.75 mi14:08:473:07:278:386:35
8:48
#19303
23M
23.00 mi14:19:303:18:108:3710:43
8:34
#19118
24M
24.00 mi14:27:513:26:318:378:21
8:21
#18979
40K
24.85 mi14:35:153:33:558:377:24
8:40
#18872
25.2M
25.20 mi14:38:353:37:158:383:20
9:40
#18863
FINISH
26.22 mi14:46:543:45:348:378:19
8:10
#18769
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi200677673767320112(Top 69%)7651(Top 61%)7651(Top 428%)
10K6.21 mi3.10 mi20184-1177706-337706-3320391(Top 70%)7802(Top 62%)7802(Top 437%)
15K9.32 mi3.11 mi20136+487684+227684+2220112(Top 69%)7651(Top 61%)7651(Top 428%)
20K12.43 mi3.11 mi19970+1667615+697615+6919546(Top 67%)7385(Top 59%)7385(Top 413%)
HALF13.11 mi0.68 mi19981-117623-87623-820168(Top 69%)7659(Top 61%)7659(Top 429%)
25K15.53 mi2.42 mi19779+2027512+1117512+11118756(Top 65%)6987(Top 56%)6987(Top 391%)
30K18.64 mi3.11 mi19580+1997423+897423+8918711(Top 64%)7057(Top 56%)7057(Top 395%)
20M20.00 mi1.36 mi19457+1237376+477376+4718160(Top 63%)6846(Top 54%)6846(Top 383%)
21M21.00 mi1.00 mi19319+1387309+677309+6717355(Top 60%)6456(Top 51%)6456(Top 361%)
35K21.75 mi0.75 mi19303+167312-37312-319135(Top 66%)7503(Top 60%)7503(Top 420%)
23M23.00 mi1.25 mi19118+1857231+817231+8116124(Top 56%)5924(Top 47%)5924(Top 332%)
24M24.00 mi1.00 mi18979+1397175+567175+5616067(Top 55%)5954(Top 47%)5954(Top 333%)
40K24.85 mi0.85 mi18872+1077133+427133+4216643(Top 57%)6332(Top 50%)6332(Top 355%)
25.2M25.20 mi0.35 mi18863+97137-47137-418134(Top 62%)7112(Top 57%)7112(Top 398%)
FINISH26.22 mi1.02 mi18769+947099+387099+3816232(Top 56%)6084(Top 48%)6084(Top 341%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

20112

Females

7651

F45-49

7651

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20391

Females

7802

F45-49

7802

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

20112

Females

7651

F45-49

7651

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19546

Females

7385

F45-49

7385

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

20168

Females

7659

F45-49

7659

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18756

Females

6987

F45-49

6987

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18711

Females

7057

F45-49

7057

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18160

Females

6846

F45-49

6846

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17355

Females

6456

F45-49

6456

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19135

Females

7503

F45-49

7503

35K→23M

21.8 - 23.0 mi

Top 56%
×5
+23ft-63ft

Overall

16124

Females

5924

F45-49

5924

23M→24M

23.0 - 24.0 mi

Top 55%
×6
+12ft-82ft

Overall

16067

Females

5954

F45-49

5954

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16643

Females

6332

F45-49

6332

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

18134

Females

7112

F45-49

7112

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
×2
+22ft-21ft

Overall

16232

Females

6084

F45-49

6084

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2164*
Passed By
749
Net Change
+1298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20067
5K → 10K200200-117#20067#20184
10K → 15K211*163+48#20184#20136
15K → 20K240*74+166#20136#19970
20K → HALF1728-11#19970#19981
HALF → 25K234*32+202#19981#19779
25K → 30K266*67+199#19779#19580
30K → 20M15128+123#19580#19457
20M → 21M15719+138#19457#19319
21M → 35K6953+16#19319#19303
35K → 23M1938+185#19303#19118
23M → 24M15415+139#19118#18979
24M → 40K12417+107#18979#18872
40K → 25.2M3425+9#18872#18863
25.2M → FINISH11420+94#18863#18769
TOTALS2164*749+1298

* 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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