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BOSTON MARATHON 2025

Esther Cruz Chávez

Bib: 20673•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:35
Rank: #20238
Start → 5K
26:35 | 8:33/mi
10K· 6.21 mi
54:07
Rank: #20960 (-722)
5K → 10K
27:32 | 8:52/mi
15K· 9.32 mi
1:22:05
Rank: #21308 (-348)
10K → 15K
27:58 | 9:00/mi
20K· 12.43 mi
1:50:16
Rank: #21291 (+17)
15K → 20K
28:11 | 9:04/mi
Half· 13.11 mi
1:56:11
Rank: #21236 (+55)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:18:24
Rank: #21153 (+83)
Half → 25K
22:13 | 9:10/mi
30K· 18.64 mi
2:48:08
Rank: #20965 (+188)
25K → 30K
29:44 | 9:34/mi
20M
3:01:01
Rank: #20797 (+168)
30K → 20M
12:53 | 9:29/mi
21M
3:11:10
Rank: #20657 (+140)
20M → 21M
10:09 | 10:09/mi
35K· 21.75 mi
3:17:52
Rank: #20567 (+90)
21M → 35K
6:42 | 8:57/mi
23M
3:29:17
Rank: #20378 (+189)
35K → 23M
11:25 | 9:07/mi
24M
3:38:14
Rank: #20256 (+122)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:45:53
Rank: #20121 (+135)
24M → 40K
7:39 | 8:57/mi
25.2M
3:49:22
Rank: #20080 (+41)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:58:58
Rank: #20153 (-73)
25.2M → Finish
9:36 | 9:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:11
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:02:47
Pace9:22 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0126:358:3326:35
8:33
-
10K
6.21 mi11:50:3354:078:4327:32
8:52
+0:19
15K
9.32 mi12:18:311:22:058:4827:58
9:00
+0:08
20K
12.43 mi12:46:421:50:168:5228:11
9:04
+0:04
Half
13.11 mi12:52:371:56:118:525:55
8:40
-0:24
25K
15.53 mi13:14:502:18:248:5522:13
9:10
+0:30
30K
18.64 mi13:44:342:48:089:0129:44
9:34
+0:24
20M
20.00 mi13:57:273:01:019:0312:53
9:29
-0:05
21M
21.00 mi14:07:363:11:109:0610:09
10:09
+0:40
35K
21.75 mi14:14:183:17:529:066:42
8:57
-1:12
23M
23.00 mi14:25:433:29:179:0611:25
9:07
+0:10
24M
24.00 mi14:34:403:38:149:068:57
8:57
-0:10
40K
24.85 mi14:42:193:45:539:057:39
8:57
0:00
25.2M
25.20 mi14:45:483:49:229:063:29
10:06
+1:09
Finish
26.22 mi14:55:243:58:589:079:36
9:25
-0:41

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

8:33 /mi

Average Pace

9:07 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:07

72% of race

Time at Steady Pace

52:13

22% of race

Time at Slower Pace

13:38

6% of race

Average Pace: 9:07 /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 mi11:23:0126:358:3326:35
8:33
#20238
10K
6.21 mi11:50:3354:078:4327:32
8:52
#20960
15K
9.32 mi12:18:311:22:058:4827:58
9:00
#21308
20K
12.43 mi12:46:421:50:168:5228:11
9:04
#21291
Half
13.11 mi12:52:371:56:118:525:55
8:40
#21236
25K
15.53 mi13:14:502:18:248:5522:13
9:10
#21153
30K
18.64 mi13:44:342:48:089:0129:44
9:34
#20965
20M
20.00 mi13:57:273:01:019:0312:53
9:29
#20797
21M
21.00 mi14:07:363:11:109:0610:09
10:09
#20657
35K
21.75 mi14:14:183:17:529:066:42
8:57
#20567
23M
23.00 mi14:25:433:29:179:0611:25
9:07
#20378
24M
24.00 mi14:34:403:38:149:068:57
8:57
#20256
40K
24.85 mi14:42:193:45:539:057:39
8:57
#20121
25.2M
25.20 mi14:45:483:49:229:063:29
10:06
#20080
Finish
26.22 mi14:55:243:58:589:079:36
9:25
#20153
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi202387642764222050(Top 78%)8581(Top 70%)8581(Top 499%)
10K6.21 mi3.10 mi20960-7228031-3898031-38921710(Top 76%)8427(Top 69%)8427(Top 491%)
15K9.32 mi3.11 mi21308-3488206-1758206-17522050(Top 78%)8581(Top 70%)8581(Top 499%)
20K12.43 mi3.11 mi21291+178194+128194+1221325(Top 75%)8214(Top 67%)8214(Top 478%)
Half13.11 mi0.68 mi21236+558162+328162+3220253(Top 71%)7626(Top 62%)7626(Top 444%)
25K15.53 mi2.42 mi21153+838127+358127+3520626(Top 73%)7886(Top 64%)7886(Top 459%)
30K18.64 mi3.11 mi20965+1888071+568071+5620230(Top 71%)7781(Top 64%)7781(Top 453%)
20M20.00 mi1.36 mi20797+1687994+777994+7719102(Top 67%)7318(Top 60%)7318(Top 426%)
21M21.00 mi1.00 mi20657+1407936+587936+5818882(Top 66%)7280(Top 60%)7280(Top 424%)
35K21.75 mi0.75 mi20567+907901+357901+3518065(Top 64%)6947(Top 57%)6947(Top 404%)
23M23.00 mi1.25 mi20378+1897824+777824+7716965(Top 60%)6440(Top 53%)6440(Top 375%)
24M24.00 mi1.00 mi20256+1227785+397785+3917149(Top 60%)6584(Top 54%)6584(Top 383%)
40K24.85 mi0.85 mi20121+1357728+577728+5716052(Top 57%)6079(Top 50%)6079(Top 354%)
25.2M25.20 mi0.35 mi20080+417713+157713+1517550(Top 62%)6904(Top 56%)6904(Top 402%)
Finish26.22 mi1.02 mi20153-737760-477760-4720905(Top 74%)8608(Top 70%)8608(Top 501%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22050

Females

8581

F40-44

8581

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21710

Females

8427

F40-44

8427

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22050

Females

8581

F40-44

8581

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21325

Females

8214

F40-44

8214

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20253

Females

7626

F40-44

7626

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20626

Females

7886

F40-44

7886

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20230

Females

7781

F40-44

7781

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

19102

Females

7318

F40-44

7318

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18882

Females

7280

F40-44

7280

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18065

Females

6947

F40-44

6947

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16965

Females

6440

F40-44

6440

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17149

Females

6584

F40-44

6584

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16052

Females

6079

F40-44

6079

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17550

Females

6904

F40-44

6904

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

20905

Females

8608

F40-44

8608

Passing Analysis

Category:
Athletes Passed
1925
Passed By
1840
Net Change
+85
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20238
5K → 10K67789-722#20238#20960
10K → 15K105453-348#20960#21308
15K → 20K201184+17#21308#21291
20K → Half6813+55#21291#21236
Half → 25K18299+83#21236#21153
25K → 30K28496+188#21153#20965
30K → 20M19527+168#20965#20797
20M → 21M16727+140#20797#20657
21M → 35K999+90#20657#20567
35K → 23M1945+189#20567#20378
23M → 24M1319+122#20378#20256
24M → 40K1438+135#20256#20121
40K → 25.2M498+41#20121#20080
25.2M → Finish40113-73#20080#20153
TOTALS19251840+85
📊

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