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BOSTON MARATHON 2025

Jacqueline Souza Mendes

Bib: 20783•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Masters (Masters Women)
#0 / 6759
Top 1%
Division (F45-49)
#0 / 1813
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #5659
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:55
Rank: #5802 (-143)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:03:01
Rank: #5828 (-26)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:26
Rank: #5901 (-73)
15K → 20K
21:25 | 6:54/mi
Half· 13.11 mi
1:29:02
Rank: #5888 (+13)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:46
Rank: #5795 (+93)
Half → 25K
16:44 | 6:54/mi
30K· 18.64 mi
2:08:34
Rank: #5961 (-166)
25K → 30K
22:48 | 7:20/mi
20M
2:19:01
Rank: #6073 (-112)
30K → 20M
10:27 | 7:41/mi
21M
2:26:52
Rank: #6050 (+23)
20M → 21M
7:51 | 7:51/mi
35K· 21.75 mi
2:32:09
Rank: #6012 (+38)
21M → 35K
5:17 | 7:04/mi
23M
2:41:40
Rank: #5977 (+35)
35K → 23M
9:31 | 7:36/mi
24M
2:49:14
Rank: #6017 (-40)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
2:55:35
Rank: #5971 (+46)
24M → 40K
6:21 | 7:26/mi
25.2M
2:58:24
Rank: #5949 (+22)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:05:43
Rank: #5908 (+41)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:02
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:36:41
Pace7:23 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3020:536:4320:53
6:43
-
10K
6.21 mi11:34:3241:556:4521:02
6:46
+0:03
15K
9.32 mi11:55:381:03:016:4621:06
6:47
+0:01
20K
12.43 mi12:17:031:24:266:4821:25
6:54
+0:07
Half
13.11 mi12:21:391:29:026:474:36
6:45
-0:09
25K
15.53 mi12:38:231:45:466:4916:44
6:54
+0:09
30K
18.64 mi13:01:112:08:346:5422:48
7:20
+0:26
20M
20.00 mi13:11:382:19:016:5710:27
7:41
+0:21
21M
21.00 mi13:19:292:26:527:007:51
7:51
+0:10
35K
21.75 mi13:24:462:32:097:005:17
7:04
-0:47
23M
23.00 mi13:34:172:41:407:029:31
7:36
+0:32
24M
24.00 mi13:41:512:49:147:037:34
7:34
-0:02
40K
24.85 mi13:48:122:55:357:046:21
7:26
-0:08
25.2M
25.20 mi13:51:012:58:247:052:49
8:10
+0:44
Finish
26.22 mi13:58:203:05:437:057:19
7:11
-0:59

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

6:43 /mi

Average Pace

7:05 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:46

57% of race

Time at Steady Pace

35:24

19% of race

Time at Slower Pace

44:33

24% of race

Average Pace: 7:05 /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 mi11:13:3020:536:4320:53
6:43
#5659
10K
6.21 mi11:34:3241:556:4521:02
6:46
#5802
15K
9.32 mi11:55:381:03:016:4621:06
6:47
#5828
20K
12.43 mi12:17:031:24:266:4821:25
6:54
#5901
Half
13.11 mi12:21:391:29:026:474:36
6:45
#5888
25K
15.53 mi12:38:231:45:466:4916:44
6:54
#5795
30K
18.64 mi13:01:112:08:346:5422:48
7:20
#5961
20M
20.00 mi13:11:382:19:016:5710:27
7:41
#6073
21M
21.00 mi13:19:292:26:527:007:51
7:51
#6050
35K
21.75 mi13:24:462:32:097:005:17
7:04
#6012
23M
23.00 mi13:34:172:41:407:029:31
7:36
#5977
24M
24.00 mi13:41:512:49:147:037:34
7:34
#6017
40K
24.85 mi13:48:122:55:357:046:21
7:26
#5971
25.2M
25.20 mi13:51:012:58:247:052:49
8:10
#5949
Finish
26.22 mi13:58:203:05:437:057:19
7:11
#5908
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi56594184186028(Top 21%)535(Top 4%)535(Top 30%)
10K6.21 mi3.10 mi5802-143445-27445-276080(Top 21%)518(Top 4%)518(Top 29%)
15K9.32 mi3.11 mi5828-26463-18463-186028(Top 21%)535(Top 4%)535(Top 30%)
20K12.43 mi3.11 mi5901-73483-20483-206154(Top 22%)588(Top 5%)588(Top 32%)
Half13.11 mi0.68 mi5888+13481+2481+25725(Top 20%)487(Top 4%)487(Top 27%)
25K15.53 mi2.42 mi5795+93488-7488-75704(Top 20%)531(Top 4%)531(Top 29%)
30K18.64 mi3.11 mi5961-166538-50538-506687(Top 24%)894(Top 7%)894(Top 49%)
20M20.00 mi1.36 mi6073-112582-44582-448279(Top 29%)1643(Top 13%)1643(Top 91%)
21M21.00 mi1.00 mi6050+23594-12594-126509(Top 23%)1100(Top 9%)1100(Top 61%)
35K21.75 mi0.75 mi6012+38598-4598-45813(Top 20%)855(Top 7%)855(Top 47%)
23M23.00 mi1.25 mi5977+35600-2600-27269(Top 26%)1505(Top 12%)1505(Top 83%)
24M24.00 mi1.00 mi6017-40625-25625-258167(Top 29%)1921(Top 16%)1921(Top 106%)
40K24.85 mi0.85 mi5971+46634-9634-96380(Top 22%)1279(Top 10%)1279(Top 71%)
25.2M25.20 mi0.35 mi5949+22635-1635-16895(Top 24%)1567(Top 13%)1567(Top 86%)
Finish26.22 mi1.02 mi5908+41646-11646-116939(Top 24%)1616(Top 13%)1616(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6028

Females

535

F45-49

535

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6080

Females

518

F45-49

518

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6028

Females

535

F45-49

535

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6154

Females

588

F45-49

588

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5725

Females

487

F45-49

487

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5704

Females

531

F45-49

531

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6687

Females

894

F45-49

894

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8279

Females

1643

F45-49

1643

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6509

Females

1100

F45-49

1100

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5813

Females

855

F45-49

855

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7269

Females

1505

F45-49

1505

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8167

Females

1921

F45-49

1921

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6380

Females

1279

F45-49

1279

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6895

Females

1567

F45-49

1567

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6939

Females

1616

F45-49

1616

Passing Analysis

Category:
Athletes Passed
1191
Passed By
1440
Net Change
-249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5659
5K → 10K116259-143#5659#5802
10K → 15K121147-26#5802#5828
15K → 20K113186-73#5828#5901
20K → Half3320+13#5901#5888
Half → 25K16976+93#5888#5795
25K → 30K129295-166#5795#5961
30K → 20M40152-112#5961#6073
20M → 21M8259+23#6073#6050
21M → 35K6022+38#6050#6012
35K → 23M9560+35#6012#5977
23M → 24M4181-40#5977#6017
24M → 40K7529+46#6017#5971
40K → 25.2M3513+22#5971#5949
25.2M → Finish8241+41#5949#5908
TOTALS11911440-249
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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