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BOSTON MARATHON 2026

Luisa Lacerda

Bib: 19016•F

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 49%
Gender (Female)
#0 / 12578
Top 36%
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
24:46
3.11 mi
Rank: #16736
Start → 5K
24:46 | 7:59/mi
10K
49:43
6.21 mi
Rank: #17087 (-351)
5K → 10K
24:57 | 8:02/mi
15K
1:14:31
9.32 mi
Rank: #17010 (+77)
10K → 15K
24:48 | 7:59/mi
20K
1:39:08
12.43 mi
Rank: #16623 (+387)
15K → 20K
24:37 | 7:56/mi
HALF
1:44:30
13.11 mi
Rank: #16603 (+20)
20K → HALF
5:22 | 7:53/mi
25K
2:03:47
15.53 mi
Rank: #16330 (+273)
HALF → 25K
19:17 | 7:58/mi
30K
2:28:34
18.64 mi
Rank: #15756 (+574)
25K → 30K
24:47 | 7:59/mi
20M
2:39:28
20.00 mi
Rank: #15536 (+220)
30K → 20M
10:54 | 8:02/mi
21M
2:47:29
21.00 mi
Rank: #15159 (+377)
20M → 21M
8:01 | 8:01/mi
35K
2:53:20
21.75 mi
Rank: #15077 (+82)
21M → 35K
5:51 | 7:50/mi
23M
3:03:07
23.00 mi
Rank: #14809 (+268)
35K → 23M
9:47 | 7:50/mi
24M
3:10:43
24.00 mi
Rank: #14632 (+177)
23M → 24M
7:36 | 7:36/mi
40K
3:17:19
24.85 mi
Rank: #14460 (+172)
24M → 40K
6:36 | 7:44/mi
25.2M
3:20:12
25.20 mi
Rank: #14387 (+73)
40K → 25.2M
2:53 | 8:22/mi
FINISH
3:27:27
26.22 mi
Rank: #14149 (+238)
25.2M → FINISH
7:15 | 7:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:44:30
Pace7:59 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:57
Pace7:52 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:4424:467:5924:46
7:59
-
10K
6.21 mi11:36:4149:438:0124:57
8:02
+0:03
15K
9.32 mi12:01:291:14:318:0024:48
7:59
-0:03
20K
12.43 mi12:26:061:39:087:5924:37
7:56
-0:03
HALF
13.11 mi12:31:281:44:307:595:22
7:53
-0:03
25K
15.53 mi12:50:452:03:477:5919:17
7:58
+0:05
30K
18.64 mi13:15:322:28:347:5924:47
7:59
+0:01
20M
20.00 mi13:26:262:39:287:5910:54
8:02
+0:03
21M
21.00 mi13:34:272:47:297:598:01
8:01
-0:01
35K
21.75 mi13:40:182:53:207:595:51
7:50
-0:11
23M
23.00 mi13:50:053:03:077:589:47
7:50
0:00
24M
24.00 mi13:57:413:10:437:577:36
7:36
-0:14
40K
24.85 mi14:04:173:17:197:576:36
7:44
+0:08
25.2M
25.20 mi14:07:103:20:127:572:53
8:22
+0:38
FINISH
26.22 mi14:14:253:27:277:567:15
7:07
-1:15

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

7:07 /mi

Average Pace

7:55 /mi

Slowest Pace

8:22 /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

21:27

10% of race

Time at Steady Pace

3:06:00

90% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi11:11:4424:467:5924:46
7:59
#16736
10K
6.21 mi11:36:4149:438:0124:57
8:02
#17087
15K
9.32 mi12:01:291:14:318:0024:48
7:59
#17010
20K
12.43 mi12:26:061:39:087:5924:37
7:56
#16623
HALF
13.11 mi12:31:281:44:307:595:22
7:53
#16603
25K
15.53 mi12:50:452:03:477:5919:17
7:58
#16330
30K
18.64 mi13:15:322:28:347:5924:47
7:59
#15756
20M
20.00 mi13:26:262:39:287:5910:54
8:02
#15536
21M
21.00 mi13:34:272:47:297:598:01
8:01
#15159
35K
21.75 mi13:40:182:53:207:595:51
7:50
#15077
23M
23.00 mi13:50:053:03:077:589:47
7:50
#14809
24M
24.00 mi13:57:413:10:437:577:36
7:36
#14632
40K
24.85 mi14:04:173:17:197:576:36
7:44
#14460
25.2M
25.20 mi14:07:103:20:127:572:53
8:22
#14387
FINISH
26.22 mi14:14:253:27:277:567:15
7:07
#14149
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 mi167365761576116878(Top 58%)5831(Top 46%)5831(Top 102%)
10K6.21 mi3.10 mi17087-3515980-2195980-21917471(Top 60%)6187(Top 49%)6187(Top 108%)
15K9.32 mi3.11 mi17010+775934+465934+4616878(Top 58%)5831(Top 46%)5831(Top 102%)
20K12.43 mi3.11 mi16623+3875707+2275707+22715534(Top 54%)5103(Top 41%)5103(Top 89%)
HALF13.11 mi0.68 mi16603+205696+115696+1116149(Top 56%)5403(Top 43%)5403(Top 95%)
25K15.53 mi2.42 mi16330+2735555+1415555+14115042(Top 52%)4893(Top 39%)4893(Top 86%)
30K18.64 mi3.11 mi15756+5745256+2995256+29913346(Top 46%)4042(Top 32%)4042(Top 71%)
20M20.00 mi1.36 mi15536+2205145+1115145+11113039(Top 45%)3968(Top 32%)3968(Top 69%)
21M21.00 mi1.00 mi15159+3774954+1914954+19110046(Top 35%)2537(Top 20%)2537(Top 44%)
35K21.75 mi0.75 mi15077+824913+414913+4113263(Top 46%)4234(Top 34%)4234(Top 74%)
23M23.00 mi1.25 mi14809+2684783+1304783+13011192(Top 39%)3221(Top 26%)3221(Top 56%)
24M24.00 mi1.00 mi14632+1774706+774706+7710906(Top 38%)3130(Top 25%)3130(Top 55%)
40K24.85 mi0.85 mi14460+1724618+884618+8810524(Top 36%)3033(Top 24%)3033(Top 53%)
25.2M25.20 mi0.35 mi14387+734592+264592+2610843(Top 37%)3284(Top 26%)3284(Top 57%)
FINISH26.22 mi1.02 mi14149+2384474+1184474+1188522(Top 29%)2174(Top 17%)2174(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16878

Females

5831

F18-39

5831

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17471

Females

6187

F18-39

6187

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16878

Females

5831

F18-39

5831

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15534

Females

5103

F18-39

5103

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16149

Females

5403

F18-39

5403

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15042

Females

4893

F18-39

4893

25K→30K

15.5 - 18.6 mi

Top 46%
×9
+181ft-148ft

Overall

13346

Females

4042

F18-39

4042

30K→20M

18.6 - 20.0 mi

Top 45%
×5
+64ft-50ft

Overall

13039

Females

3968

F18-39

3968

20M→21M

20.0 - 21.0 mi

Top 35%
×8
+106ft-24ft

Overall

10046

Females

2537

F18-39

2537

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13263

Females

4234

F18-39

4234

35K→23M

21.8 - 23.0 mi

Top 39%
×5
+23ft-63ft

Overall

11192

Females

3221

F18-39

3221

23M→24M

23.0 - 24.0 mi

Top 38%
×6
+12ft-82ft

Overall

10906

Females

3130

F18-39

3130

24M→40K

24.0 - 24.9 mi

Top 36%
×1
+6ft-20ft

Overall

10524

Females

3033

F18-39

3033

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10843

Females

3284

F18-39

3284

25.2M→FINISH

25.2 - 26.2 mi

Top 29%
×2
+22ft-21ft

Overall

8522

Females

2174

F18-39

2174

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3377*
Passed By
488
Net Change
+2587
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16736
5K → 10K151200-351#16736#17087
10K → 15K231*154+77#17087#17010
15K → 20K420*33+387#17010#16623
20K → HALF4222+20#16623#16603
HALF → 25K293*20+273#16603#16330
25K → 30K580*6+574#16330#15756
30K → 20M225*5+220#15756#15536
20M → 21M378*1+377#15536#15159
21M → 35K9816+82#15159#15077
35K → 23M273*5+268#15077#14809
23M → 24M1847+177#14809#14632
24M → 40K18311+172#14632#14460
40K → 25.2M752+73#14460#14387
25.2M → FINISH244*6+238#14387#14149
TOTALS3377*488+2587

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing