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BOSTON MARATHON 2025

Erendira Campos

Bib: 18481•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F40-44)
#0 / 1718
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:38
Rank: #10229
Start → 5K
22:38 | 7:17/mi
10K· 6.21 mi
45:26
Rank: #10446 (-217)
5K → 10K
22:48 | 7:20/mi
15K· 9.32 mi
1:08:43
Rank: #10827 (-381)
10K → 15K
23:17 | 7:30/mi
20K· 12.43 mi
1:32:21
Rank: #11031 (-204)
15K → 20K
23:38 | 7:36/mi
Half· 13.11 mi
1:37:30
Rank: #11110 (-79)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:56:24
Rank: #11276 (-166)
Half → 25K
18:54 | 7:48/mi
30K· 18.64 mi
2:21:39
Rank: #11422 (-146)
25K → 30K
25:15 | 8:08/mi
20M
2:32:57
Rank: #11456 (-34)
30K → 20M
11:18 | 8:19/mi
21M
2:41:25
Rank: #11339 (+117)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:47:44
Rank: #11518 (-179)
21M → 35K
6:20 | 8:28/mi
23M
2:58:20
Rank: #11589 (-71)
35K → 23M
10:36 | 8:28/mi
24M
3:06:08
Rank: #11452 (+137)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
3:13:03
Rank: #11411 (+41)
24M → 40K
6:55 | 8:05/mi
25.2M
3:16:06
Rank: #11375 (+36)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:24:18
Rank: #11441 (-66)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:30
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:46:48
Pace8:09 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2722:387:1722:38
7:17
-
10K
6.21 mi11:36:1545:267:1922:48
7:20
+0:03
15K
9.32 mi11:59:321:08:437:2223:17
7:30
+0:10
20K
12.43 mi12:23:101:32:217:2623:38
7:36
+0:06
Half
13.11 mi12:28:191:37:307:265:09
7:33
-0:03
25K
15.53 mi12:47:131:56:247:3018:54
7:48
+0:15
30K
18.64 mi13:12:282:21:397:3625:15
8:08
+0:20
20M
20.00 mi13:23:462:32:577:3911:18
8:19
+0:11
21M
21.00 mi13:32:142:41:257:418:28
8:28
+0:09
35K
21.75 mi13:38:332:47:447:436:20
8:28
0:00
23M
23.00 mi13:49:092:58:207:4510:36
8:28
0:00
24M
24.00 mi13:56:573:06:087:457:48
7:48
-0:40
40K
24.85 mi14:03:523:13:037:466:55
8:05
+0:17
25.2M
25.20 mi14:06:553:16:067:473:03
8:51
+0:46
Finish
26.22 mi14:15:073:24:187:488:12
8:03
-0:48

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

7:17 /mi

Average Pace

7:48 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:12

61% of race

Time at Steady Pace

40:22

20% of race

Time at Slower Pace

39:44

19% of race

Average Pace: 7:48 /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 mi11:13:2722:387:1722:38
7:17
#10229
10K
6.21 mi11:36:1545:267:1922:48
7:20
#10446
15K
9.32 mi11:59:321:08:437:2223:17
7:30
#10827
20K
12.43 mi12:23:101:32:217:2623:38
7:36
#11031
Half
13.11 mi12:28:191:37:307:265:09
7:33
#11110
25K
15.53 mi12:47:131:56:247:3018:54
7:48
#11276
30K
18.64 mi13:12:282:21:397:3625:15
8:08
#11422
20M
20.00 mi13:23:462:32:577:3911:18
8:19
#11456
21M
21.00 mi13:32:142:41:257:418:28
8:28
#11339
35K
21.75 mi13:38:332:47:447:436:20
8:28
#11518
23M
23.00 mi13:49:092:58:207:4510:36
8:28
#11589
24M
24.00 mi13:56:573:06:087:457:48
7:48
#11452
40K
24.85 mi14:03:523:13:037:466:55
8:05
#11411
25.2M
25.20 mi14:06:553:16:067:473:03
8:51
#11375
Finish
26.22 mi14:15:073:24:187:488:12
8:03
#11441
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi102291919191911735(Top 41%)2756(Top 23%)2756(Top 160%)
10K6.21 mi3.10 mi10446-2172029-1102029-11010666(Top 38%)2143(Top 18%)2143(Top 125%)
15K9.32 mi3.11 mi10827-3812238-2092238-20911735(Top 41%)2756(Top 23%)2756(Top 160%)
20K12.43 mi3.11 mi11031-2042356-1182356-11811665(Top 41%)2815(Top 23%)2815(Top 164%)
Half13.11 mi0.68 mi11110-792405-492405-4912164(Top 43%)3025(Top 25%)3025(Top 176%)
25K15.53 mi2.42 mi11276-1662524-1192524-11912303(Top 43%)3270(Top 27%)3270(Top 190%)
30K18.64 mi3.11 mi11422-1462690-1662690-16612292(Top 43%)3440(Top 28%)3440(Top 200%)
20M20.00 mi1.36 mi11456-342753-632753-6312591(Top 44%)3738(Top 31%)3738(Top 218%)
21M21.00 mi1.00 mi11339+1172728+252728+2510206(Top 36%)2721(Top 22%)2721(Top 158%)
35K21.75 mi0.75 mi11518-1792849-1212849-12115199(Top 54%)5360(Top 44%)5360(Top 312%)
23M23.00 mi1.25 mi11589-712928-792928-7913058(Top 46%)4314(Top 35%)4314(Top 251%)
24M24.00 mi1.00 mi11452+1372888+402888+409840(Top 35%)2728(Top 22%)2728(Top 159%)
40K24.85 mi0.85 mi11411+412909-212909-2110800(Top 38%)3309(Top 27%)3309(Top 193%)
25.2M25.20 mi0.35 mi11375+362911-22911-210962(Top 39%)3456(Top 28%)3456(Top 201%)
Finish26.22 mi1.02 mi11441-662974-632974-6313206(Top 46%)4546(Top 37%)4546(Top 265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11735

Females

2756

F40-44

2756

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10666

Females

2143

F40-44

2143

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11735

Females

2756

F40-44

2756

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11665

Females

2815

F40-44

2815

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12164

Females

3025

F40-44

3025

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12303

Females

3270

F40-44

3270

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12292

Females

3440

F40-44

3440

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12591

Females

3738

F40-44

3738

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10206

Females

2721

F40-44

2721

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15199

Females

5360

F40-44

5360

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13058

Females

4314

F40-44

4314

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9840

Females

2728

F40-44

2728

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10800

Females

3309

F40-44

3309

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10962

Females

3456

F40-44

3456

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

13206

Females

4546

F40-44

4546

Passing Analysis

Category:
Athletes Passed
1436
Passed By
2648
Net Change
-1212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10229
5K → 10K175392-217#10229#10446
10K → 15K86467-381#10446#10827
15K → 20K115319-204#10827#11031
20K → Half1594-79#11031#11110
Half → 25K126292-166#11110#11276
25K → 30K175321-146#11276#11422
30K → 20M113147-34#11422#11456
20M → 21M15134+117#11456#11339
21M → 35K28207-179#11339#11518
35K → 23M88159-71#11518#11589
23M → 24M15720+137#11589#11452
24M → 40K9958+41#11452#11411
40K → 25.2M5519+36#11411#11375
25.2M → Finish53119-66#11375#11441
TOTALS14362648-1212
📊

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