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BOSTON MARATHON 2026

Brenna Cavallaro

Bib: 29274•F

MA

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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
28:03
3.11 mi
Rank: #22800
Start → 5K
28:03 | 9:02/mi
10K
56:25
6.21 mi
Rank: #23075 (-275)
5K → 10K
28:22 | 9:08/mi
15K
1:24:49
9.32 mi
Rank: #23138 (-63)
10K → 15K
28:24 | 9:09/mi
20K
1:53:24
12.43 mi
Rank: #23039 (+99)
15K → 20K
28:35 | 9:13/mi
HALF
1:59:22
13.11 mi
Rank: #22974 (+65)
20K → HALF
5:58 | 8:46/mi
25K
2:21:35
15.53 mi
Rank: #22772 (+202)
HALF → 25K
22:13 | 9:10/mi
30K
2:51:09
18.64 mi
Rank: #22560 (+212)
25K → 30K
29:34 | 9:31/mi
20M
3:04:15
20.00 mi
Rank: #22455 (+105)
30K → 20M
13:06 | 9:39/mi
21M
3:14:32
21.00 mi
Rank: #22403 (+52)
20M → 21M
10:17 | 10:17/mi
35K
3:21:38
21.75 mi
Rank: #22362 (+41)
21M → 35K
7:06 | 9:30/mi
23M
3:33:45
23.00 mi
Rank: #22279 (+83)
35K → 23M
12:07 | 9:41/mi
24M
3:43:22
24.00 mi
Rank: #22244 (+35)
23M → 24M
9:37 | 9:37/mi
40K
3:51:32
24.85 mi
Rank: #22191 (+53)
24M → 40K
8:10 | 9:34/mi
25.2M
3:54:59
25.20 mi
Rank: #22152 (+39)
40K → 25.2M
3:27 | 10:01/mi
FINISH
4:03:49
26.22 mi
Rank: #22050 (+102)
25.2M → FINISH
8:50 | 8:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:59:22
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:04:27
Pace9:30 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:2128:039:0228:03
9:02
-
10K
6.21 mi12:27:4356:259:0528:22
9:08
+0:06
15K
9.32 mi12:56:071:24:499:0628:24
9:09
+0:01
20K
12.43 mi13:24:421:53:249:0828:35
9:13
+0:04
HALF
13.11 mi13:30:401:59:229:075:58
8:46
-0:27
25K
15.53 mi13:52:532:21:359:0722:13
9:10
+0:24
30K
18.64 mi14:22:272:51:099:1129:34
9:31
+0:21
20M
20.00 mi14:35:333:04:159:1313:06
9:39
+0:08
21M
21.00 mi14:45:503:14:329:1610:17
10:17
+0:38
35K
21.75 mi14:52:563:21:389:177:06
9:30
-0:47
23M
23.00 mi15:05:033:33:459:1812:07
9:41
+0:11
24M
24.00 mi15:14:403:43:229:199:37
9:37
-0:04
40K
24.85 mi15:22:503:51:329:198:10
9:34
-0:03
25.2M
25.20 mi15:26:173:54:599:203:27
10:01
+0:27
FINISH
26.22 mi15:35:074:03:499:198:50
8:41
-1:20

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

8:41 /mi

Average Pace

9:18 /mi

Slowest Pace

10:17 /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

3:07:05

77% of race

Time at Steady Pace

46:27

19% of race

Time at Slower Pace

10:17

4% of race

Average Pace: 9:18 /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 mi11:59:2128:039:0228:03
9:02
#22800
10K
6.21 mi12:27:4356:259:0528:22
9:08
#23075
15K
9.32 mi12:56:071:24:499:0628:24
9:09
#23138
20K
12.43 mi13:24:421:53:249:0828:35
9:13
#23039
HALF
13.11 mi13:30:401:59:229:075:58
8:46
#22974
25K
15.53 mi13:52:532:21:359:0722:13
9:10
#22772
30K
18.64 mi14:22:272:51:099:1129:34
9:31
#22560
20M
20.00 mi14:35:333:04:159:1313:06
9:39
#22455
21M
21.00 mi14:45:503:14:329:1610:17
10:17
#22403
35K
21.75 mi14:52:563:21:389:177:06
9:30
#22362
23M
23.00 mi15:05:033:33:459:1812:07
9:41
#22279
24M
24.00 mi15:14:403:43:229:199:37
9:37
#22244
40K
24.85 mi15:22:503:51:329:198:10
9:34
#22191
25.2M
25.20 mi15:26:173:54:599:203:27
10:01
#22152
FINISH
26.22 mi15:35:074:03:499:198:50
8:41
#22050
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 mi228009072907223284(Top 80%)9288(Top 74%)9288(Top 162%)
10K6.21 mi3.10 mi23075-2759206-1349206-13423351(Top 80%)9324(Top 74%)9324(Top 163%)
15K9.32 mi3.11 mi23138-639214-89214-823284(Top 80%)9288(Top 74%)9288(Top 162%)
20K12.43 mi3.11 mi23039+999186+289186+2822748(Top 78%)9042(Top 72%)9042(Top 158%)
HALF13.11 mi0.68 mi22974+659149+379149+3721625(Top 75%)8450(Top 67%)8450(Top 148%)
25K15.53 mi2.42 mi22772+2029060+899060+8921877(Top 75%)8618(Top 69%)8618(Top 151%)
30K18.64 mi3.11 mi22560+2128984+768984+7621702(Top 75%)8620(Top 69%)8620(Top 151%)
20M20.00 mi1.36 mi22455+1058931+538931+5321568(Top 74%)8635(Top 69%)8635(Top 151%)
21M21.00 mi1.00 mi22403+528913+188913+1821355(Top 74%)8563(Top 68%)8563(Top 150%)
35K21.75 mi0.75 mi22362+418906+78906+721754(Top 75%)8827(Top 70%)8827(Top 154%)
23M23.00 mi1.25 mi22279+838882+248882+2421211(Top 73%)8585(Top 68%)8585(Top 150%)
24M24.00 mi1.00 mi22244+358885-38885-321727(Top 75%)8907(Top 71%)8907(Top 156%)
40K24.85 mi0.85 mi22191+538867+188867+1820597(Top 71%)8375(Top 67%)8375(Top 147%)
25.2M25.20 mi0.35 mi22152+398855+128855+1219507(Top 67%)7840(Top 62%)7840(Top 137%)
FINISH26.22 mi1.02 mi22050+1028807+488807+4819044(Top 66%)7598(Top 60%)7598(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21
+97ft-345ft

Overall

23284

Females

9288

F18-39

9288

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23351

Females

9324

F18-39

9324

10K→15K

6.2 - 9.3 mi

Top 80%
×3
+67ft-78ft

Overall

23284

Females

9288

F18-39

9288

15K→20K

9.3 - 12.4 mi

Top 78%
×5
+106ft-86ft

Overall

22748

Females

9042

F18-39

9042

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21625

Females

8450

F18-39

8450

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21877

Females

8618

F18-39

8618

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21702

Females

8620

F18-39

8620

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21568

Females

8635

F18-39

8635

20M→21M

20.0 - 21.0 mi

Top 74%
×8
+106ft-24ft

Overall

21355

Females

8563

F18-39

8563

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21754

Females

8827

F18-39

8827

35K→23M

21.8 - 23.0 mi

Top 73%
×5
+23ft-63ft

Overall

21211

Females

8585

F18-39

8585

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21727

Females

8907

F18-39

8907

24M→40K

24.0 - 24.9 mi

Top 71%
×1
+6ft-20ft

Overall

20597

Females

8375

F18-39

8375

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19507

Females

7840

F18-39

7840

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19044

Females

7598

F18-39

7598

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1814*
Passed By
830
Net Change
+750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22800
5K → 10K152200-275#22800#23075
10K → 15K144200-63#23075#23138
15K → 20K206*107+99#23138#23039
20K → HALF694+65#23039#22974
HALF → 25K232*30+202#22974#22772
25K → 30K296*84+212#22772#22560
30K → 20M13126+105#22560#22455
20M → 21M10149+52#22455#22403
21M → 35K6827+41#22403#22362
35K → 23M11734+83#22362#22279
23M → 24M7136+35#22279#22244
24M → 40K7320+53#22244#22191
40K → 25.2M434+39#22191#22152
25.2M → FINISH1119+102#22152#22050
TOTALS1814*830+750

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing