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BOSTON MARATHON 2025

Brittany Zoccolante

Bib: 27785•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:40/mi
36:16
↑ 97↓ 3451.5%
10K· 6.21 mi
11:12/mi
1:11:03
↑ 79↓ 1380.4%
15K· 9.32 mi
11:38/mi
1:47:12
↑ 67↓ 78
20K· 12.43 mi
11:55/mi
2:24:13
↑ 106↓ 860.1%
Half· 13.11 mi
11:30/mi
2:32:04
↑ 19↓ 370.5%
25K· 15.53 mi
12:38/mi
3:02:43
↑ 66↓ 880.2%
30K· 18.64 mi
13:19/mi
3:44:05
↑ 181↓ 1480.2%
20M
13:01/mi
4:01:47
↑ 64↓ 500.2%
21M
13:47/mi
4:15:34
↑ 106↓ 241.6%
35K· 21.75 mi
11:56/mi
4:24:30
↑ 17↓ 861.7%
23M
12:40/mi
4:40:22
↑ 23↓ 630.6%
24M
12:53/mi
4:53:15
↓ 821.3%
40K· 24.85 mi
13:31/mi
5:04:48
↓ 200.3%
25.2M
15:16/mi
5:10:04
↑ 13↓ 160.2%
Finish· 26.22 mi
12:43/mi
5:23:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:04
Pace11:36 /mi
2nd Half
Distance13.11 mi
Time2:50:58
Pace13:03 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:2736:1611:4036:16
11:40
-
10K
6.21 mi12:37:141:11:0311:2634:47
11:12
-0:28
15K
9.32 mi13:13:231:47:1211:3036:09
11:38
+0:26
20K
12.43 mi13:50:242:24:1311:3637:01
11:55
+0:17
Half
13.11 mi13:58:152:32:0411:367:51
11:30
-0:25
25K
15.53 mi14:28:543:02:4311:4630:39
12:38
+1:08
30K
18.64 mi15:10:163:44:0512:0141:22
13:19
+0:41
20M
20.00 mi15:27:584:01:4712:0517:42
13:01
-0:18
21M
21.00 mi15:41:454:15:3412:1013:47
13:47
+0:46
35K
21.75 mi15:50:414:24:3012:108:56
11:56
-1:51
23M
23.00 mi16:06:334:40:2212:1115:52
12:40
+0:44
24M
24.00 mi16:19:264:53:1512:1312:53
12:53
+0:13
40K
24.85 mi16:30:595:04:4812:1611:33
13:31
+0:38
25.2M
25.20 mi16:36:155:10:0412:185:16
15:16
+1:45
Finish
26.22 mi16:49:135:23:0212:2012:58
12:43
-2:33

Checkpoints & Pacing

📈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

11:12 /mi

Average Pace

12:20 /mi

Slowest Pace

15:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:00

50% of race

Time at Steady Pace

1:30:04

28% of race

Time at Slower Pace

1:11:58

22% of race

Average Pace: 12:19 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi12:02:2736:1611:4036:16
11:40
#28111
10K
6.21 mi12:37:141:11:0311:2634:47
11:12
#27763
15K
9.32 mi13:13:231:47:1211:3036:09
11:38
#27623
20K
12.43 mi13:50:242:24:1311:3637:01
11:55
#27485
Half
13.11 mi13:58:152:32:0411:367:51
11:30
#27463
25K
15.53 mi14:28:543:02:4311:4630:39
12:38
#27377
30K
18.64 mi15:10:163:44:0512:0141:22
13:19
#27306
20M
20.00 mi15:27:584:01:4712:0517:42
13:01
#27276
21M
21.00 mi15:41:454:15:3412:1013:47
13:47
#27224
35K
21.75 mi15:50:414:24:3012:108:56
11:56
#27181
23M
23.00 mi16:06:334:40:2212:1115:52
12:40
#27144
24M
24.00 mi16:19:264:53:1512:1312:53
12:53
#27143
40K
24.85 mi16:30:595:04:4812:1611:33
13:31
#27136
25.2M
25.20 mi16:36:155:10:0412:185:16
15:16
#27148
Finish
26.22 mi16:49:135:23:0212:2012:58
12:43
#27166
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28111120341203427356(Top 96%)11595(Top 95%)11595(Top 212%)
10K6.21 mi3.10 mi27763+34811808+22611808+22627294(Top 96%)11544(Top 94%)11544(Top 211%)
15K9.32 mi3.11 mi27623+14011732+7611732+7627356(Top 96%)11595(Top 95%)11595(Top 212%)
20K12.43 mi3.11 mi27485+13811651+8111651+8127044(Top 95%)11415(Top 93%)11415(Top 209%)
Half13.11 mi0.68 mi27463+2211638+1311638+1327055(Top 95%)11455(Top 94%)11455(Top 209%)
25K15.53 mi2.42 mi27377+8611604+3411604+3427032(Top 95%)11446(Top 94%)11446(Top 209%)
30K18.64 mi3.11 mi27306+7111590+1411590+1426976(Top 95%)11477(Top 94%)11477(Top 210%)
20M20.00 mi1.36 mi27276+3011569+2111569+2126458(Top 93%)11260(Top 92%)11260(Top 206%)
21M21.00 mi1.00 mi27224+5211546+2311546+2325974(Top 91%)11034(Top 90%)11034(Top 202%)
35K21.75 mi0.75 mi27181+4311528+1811528+1825765(Top 91%)10990(Top 90%)10990(Top 201%)
23M23.00 mi1.25 mi27144+3711511+1711511+1726003(Top 92%)11094(Top 91%)11094(Top 203%)
24M24.00 mi1.00 mi27143+111520-911520-926710(Top 94%)11485(Top 94%)11485(Top 210%)
40K24.85 mi0.85 mi27136+7115201152026765(Top 94%)11530(Top 94%)11530(Top 211%)
25.2M25.20 mi0.35 mi27148-1211529-911529-927293(Top 96%)11796(Top 96%)11796(Top 216%)
Finish26.22 mi1.02 mi27166-1811542-1311542-1327435(Top 97%)11839(Top 97%)11839(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27356

Females

11595

F18-39

11595

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27294

Females

11544

F18-39

11544

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27356

Females

11595

F18-39

11595

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

27044

Females

11415

F18-39

11415

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

27055

Females

11455

F18-39

11455

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

27032

Females

11446

F18-39

11446

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

26976

Females

11477

F18-39

11477

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26458

Females

11260

F18-39

11260

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25974

Females

11034

F18-39

11034

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25765

Females

10990

F18-39

10990

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26003

Females

11094

F18-39

11094

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26710

Females

11485

F18-39

11485

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26765

Females

11530

F18-39

11530

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27293

Females

11796

F18-39

11796

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27435

Females

11839

F18-39

11839

Passing Analysis

Category:
Athletes Passed
1168
Passed By
223
Net Change
+945
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28111
5K → 10K3502+348#28111#27763
10K → 15K17030+140#27763#27623
15K → 20K15618+138#27623#27485
20K → Half286+22#27485#27463
Half → 25K11024+86#27463#27377
25K → 30K11443+71#27377#27306
30K → 20M4111+30#27306#27276
20M → 21M553+52#27276#27224
21M → 35K474+43#27224#27181
35K → 23M447+37#27181#27144
23M → 24M2120+1#27144#27143
24M → 40K1710+7#27143#27136
40K → 25.2M517-12#27136#27148
25.2M → Finish1028-18#27148#27166
TOTALS1168223+945
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing