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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Lauren Defrancesco

Bib: 20701 •F •Age: N/A

CT

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 48%
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
26:07
3.11 mi
Rank: #19554
Start → 5K
26:07 | 8:25/mi
10K
52:43
6.21 mi
Rank: #20085 (-531)
5K → 10K
26:36 | 8:34/mi
15K
1:19:36
9.32 mi
Rank: #20354 (-269)
10K → 15K
26:53 | 8:40/mi
20K
1:46:03
12.43 mi
Rank: #20091 (+263)
15K → 20K
26:27 | 8:31/mi
HALF
1:51:39
13.11 mi
Rank: #20030 (+61)
20K → HALF
5:36 | 8:13/mi
25K
2:12:10
15.53 mi
Rank: #19763 (+267)
HALF → 25K
20:31 | 8:28/mi
30K
2:39:00
18.64 mi
Rank: #19391 (+372)
25K → 30K
26:50 | 8:39/mi
20M
2:50:51
20.00 mi
Rank: #19239 (+152)
30K → 20M
11:51 | 8:44/mi
21M
3:00:22
21.00 mi
Rank: #19183 (+56)
20M → 21M
9:31 | 9:31/mi
35K
3:06:56
21.75 mi
Rank: #19156 (+27)
21M → 35K
6:34 | 8:47/mi
23M
3:18:23
23.00 mi
Rank: #19192 (-36)
35K → 23M
11:27 | 9:09/mi
24M
3:26:52
24.00 mi
Rank: #19067 (+125)
23M → 24M
8:29 | 8:29/mi
40K
3:34:29
24.85 mi
Rank: #19022 (+45)
24M → 40K
7:37 | 8:55/mi
25.2M
3:37:45
25.20 mi
Rank: #18987 (+35)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:46:27
26.22 mi
Rank: #18953 (+34)
25.2M → FINISH
8:42 | 8:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:51:39
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:54:48
Pace8:46 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:5226:078:2526:07
8:25
-
10K
6.21 mi11:39:2852:438:3026:36
8:34
+0:09
15K
9.32 mi12:06:211:19:368:3326:53
8:40
+0:06
20K
12.43 mi12:32:481:46:038:3326:27
8:31
-0:09
HALF
13.11 mi12:38:241:51:398:325:36
8:13
-0:18
25K
15.53 mi12:58:552:12:108:3120:31
8:28
+0:15
30K
18.64 mi13:25:452:39:008:3226:50
8:39
+0:11
20M
20.00 mi13:37:362:50:518:3311:51
8:44
+0:05
21M
21.00 mi13:47:073:00:228:369:31
9:31
+0:47
35K
21.75 mi13:53:413:06:568:366:34
8:47
-0:44
23M
23.00 mi14:05:083:18:238:3811:27
9:09
+0:22
24M
24.00 mi14:13:373:26:528:388:29
8:29
-0:40
40K
24.85 mi14:21:143:34:298:387:37
8:55
+0:26
25.2M
25.20 mi14:24:303:37:458:393:16
9:29
+0:34
FINISH
26.22 mi14:33:123:46:278:398:42
8:33
-0:56

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

8:13 /mi

Average Pace

8:39 /mi

Slowest Pace

9:31 /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

3:22:13

89% of race

Time at Steady Pace

24:14

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:12:5226:078:2526:07
8:25
#19554
10K
6.21 mi11:39:2852:438:3026:36
8:34
#20085
15K
9.32 mi12:06:211:19:368:3326:53
8:40
#20354
20K
12.43 mi12:32:481:46:038:3326:27
8:31
#20091
HALF
13.11 mi12:38:241:51:398:325:36
8:13
#20030
25K
15.53 mi12:58:552:12:108:3120:31
8:28
#19763
30K
18.64 mi13:25:452:39:008:3226:50
8:39
#19391
20M
20.00 mi13:37:362:50:518:3311:51
8:44
#19239
21M
21.00 mi13:47:073:00:228:369:31
9:31
#19183
35K
21.75 mi13:53:413:06:568:366:34
8:47
#19156
23M
23.00 mi14:05:083:18:238:3811:27
9:09
#19192
24M
24.00 mi14:13:373:26:528:388:29
8:29
#19067
40K
24.85 mi14:21:143:34:298:387:37
8:55
#19022
25.2M
25.20 mi14:24:303:37:458:393:16
9:29
#18987
FINISH
26.22 mi14:33:123:46:278:398:42
8:33
#18953
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 mi195547397739720939(Top 72%)8090(Top 64%)8090(Top 466%)
10K6.21 mi3.10 mi20085-5317655-2587655-25820690(Top 71%)7961(Top 63%)7961(Top 458%)
15K9.32 mi3.11 mi20354-2697791-1367791-13620939(Top 72%)8090(Top 64%)8090(Top 466%)
20K12.43 mi3.11 mi20091+2637678+1137678+11319384(Top 67%)7291(Top 58%)7291(Top 420%)
HALF13.11 mi0.68 mi20030+617647+317647+3118556(Top 64%)6805(Top 54%)6805(Top 392%)
25K15.53 mi2.42 mi19763+2677501+1467501+14618356(Top 63%)6773(Top 54%)6773(Top 390%)
30K18.64 mi3.11 mi19391+3727326+1757326+17517673(Top 61%)6497(Top 52%)6497(Top 374%)
20M20.00 mi1.36 mi19239+1527257+697257+6917546(Top 60%)6500(Top 52%)6500(Top 374%)
21M21.00 mi1.00 mi19183+567236+217236+2118607(Top 64%)7118(Top 57%)7118(Top 410%)
35K21.75 mi0.75 mi19156+277229+77229+719019(Top 66%)7442(Top 59%)7442(Top 428%)
23M23.00 mi1.25 mi19192-367274-457274-4519195(Top 66%)7567(Top 60%)7567(Top 436%)
24M24.00 mi1.00 mi19067+1257230+447230+4416850(Top 58%)6389(Top 51%)6389(Top 368%)
40K24.85 mi0.85 mi19022+457226+47226+417977(Top 62%)7025(Top 56%)7025(Top 404%)
25.2M25.20 mi0.35 mi18987+357211+157211+1517257(Top 59%)6656(Top 53%)6656(Top 383%)
FINISH26.22 mi1.02 mi18953+347203+87203+818366(Top 63%)7237(Top 58%)7237(Top 417%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20939

Females

8090

F40-44

8090

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20690

Females

7961

F40-44

7961

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20939

Females

8090

F40-44

8090

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19384

Females

7291

F40-44

7291

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18556

Females

6805

F40-44

6805

HALF→25K

13.1 - 15.5 mi

Top 63%
×4
+66ft-88ft

Overall

18356

Females

6773

F40-44

6773

25K→30K

15.5 - 18.6 mi

Top 61%
×9
+181ft-148ft

Overall

17673

Females

6497

F40-44

6497

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17546

Females

6500

F40-44

6500

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18607

Females

7118

F40-44

7118

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19019

Females

7442

F40-44

7442

35K→23M

21.8 - 23.0 mi

Top 66%
×5
+23ft-63ft

Overall

19195

Females

7567

F40-44

7567

23M→24M

23.0 - 24.0 mi

Top 58%
×6
+12ft-82ft

Overall

16850

Females

6389

F40-44

6389

24M→40K

24.0 - 24.9 mi

Top 62%
×1
+6ft-20ft

Overall

17977

Females

7025

F40-44

7025

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17257

Females

6656

F40-44

6656

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18366

Females

7237

F40-44

7237

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2025*
Passed By
830
Net Change
+601
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19554
5K → 10K100200-531#19554#20085
10K → 15K94200-269#20085#20354
15K → 20K309*46+263#20354#20091
20K → HALF654+61#20091#20030
HALF → 25K279*12+267#20030#19763
25K → 30K402*30+372#19763#19391
30K → 20M17220+152#19391#19239
20M → 21M10953+56#19239#19183
21M → 35K5932+27#19183#19156
35K → 23M75111-36#19156#19192
23M → 24M14318+125#19192#19067
24M → 40K8641+45#19067#19022
40K → 25.2M5318+35#19022#18987
25.2M → FINISH7945+34#18987#18953
TOTALS2025*830+601

* 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

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