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BOSTON MARATHON 2025

Katherine Sepulveda Manriquez

Bib: 18374•F

0:00
0:00
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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

Start
0:00:00
Race begins
5K· 3.11 mi
26:50
Rank: #20689
Start → 5K
26:50 | 8:38/mi
10K· 6.21 mi
53:59
Rank: #20854 (-165)
5K → 10K
27:09 | 8:44/mi
15K· 9.32 mi
1:21:18
Rank: #20862 (-8)
10K → 15K
27:19 | 8:48/mi
20K· 12.43 mi
1:48:36
Rank: #20624 (+238)
15K → 20K
27:18 | 8:47/mi
Half· 13.11 mi
1:54:35
Rank: #20625 (-1)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:16:15
Rank: #20474 (+151)
Half → 25K
21:40 | 8:56/mi
30K· 18.64 mi
2:44:45
Rank: #20081 (+393)
25K → 30K
28:30 | 9:10/mi
20M
2:56:45
Rank: #19757 (+324)
30K → 20M
12:00 | 8:50/mi
21M
3:06:13
Rank: #19521 (+236)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
3:12:45
Rank: #19432 (+89)
21M → 35K
6:32 | 8:44/mi
23M
3:23:58
Rank: #19240 (+192)
35K → 23M
11:13 | 8:58/mi
24M
3:32:43
Rank: #19104 (+136)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:40:24
Rank: #18975 (+129)
24M → 40K
7:41 | 8:59/mi
25.2M
3:43:52
Rank: #18948 (+27)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:53:11
Rank: #18974 (-26)
25.2M → Finish
9:19 | 9:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:35
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time1:58:36
Pace9:03 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5626:508:3826:50
8:38
-
10K
6.21 mi11:45:0553:598:4127:09
8:44
+0:06
15K
9.32 mi12:12:241:21:188:4327:19
8:48
+0:04
20K
12.43 mi12:39:421:48:368:4427:18
8:47
-0:01
Half
13.11 mi12:45:411:54:358:445:59
8:46
-0:01
25K
15.53 mi13:07:212:16:158:4621:40
8:56
+0:10
30K
18.64 mi13:35:512:44:458:5028:30
9:10
+0:14
20M
20.00 mi13:47:512:56:458:5012:00
8:50
-0:20
21M
21.00 mi13:57:193:06:138:529:28
9:28
+0:38
35K
21.75 mi14:03:513:12:458:526:32
8:44
-0:44
23M
23.00 mi14:15:043:23:588:5211:13
8:58
+0:14
24M
24.00 mi14:23:493:32:438:528:45
8:45
-0:13
40K
24.85 mi14:31:303:40:248:527:41
8:59
+0:14
25.2M
25.20 mi14:34:583:43:528:533:28
10:03
+1:04
Finish
26.22 mi14:44:173:53:118:549:19
9:09
-0:54

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

8:38 /mi

Average Pace

8:54 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:49:43

99% of race

Time at Steady Pace

3:28

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:54 /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 mi11:17:5626:508:3826:50
8:38
#20689
10K
6.21 mi11:45:0553:598:4127:09
8:44
#20854
15K
9.32 mi12:12:241:21:188:4327:19
8:48
#20862
20K
12.43 mi12:39:421:48:368:4427:18
8:47
#20624
Half
13.11 mi12:45:411:54:358:445:59
8:46
#20625
25K
15.53 mi13:07:212:16:158:4621:40
8:56
#20474
30K
18.64 mi13:35:512:44:458:5028:30
9:10
#20081
20M
20.00 mi13:47:512:56:458:5012:00
8:50
#19757
21M
21.00 mi13:57:193:06:138:529:28
9:28
#19521
35K
21.75 mi14:03:513:12:458:526:32
8:44
#19432
23M
23.00 mi14:15:043:23:588:5211:13
8:58
#19240
24M
24.00 mi14:23:493:32:438:528:45
8:45
#19104
40K
24.85 mi14:31:303:40:248:527:41
8:59
#18975
25.2M
25.20 mi14:34:583:43:528:533:28
10:03
#18948
Finish
26.22 mi14:44:173:53:118:549:19
9:09
#18974
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi206897905790520990(Top 74%)7994(Top 65%)7994(Top 146%)
10K6.21 mi3.10 mi20854-1657970-657970-6521100(Top 74%)8079(Top 66%)8079(Top 148%)
15K9.32 mi3.11 mi20862-87960+107960+1020990(Top 74%)7994(Top 65%)7994(Top 146%)
20K12.43 mi3.11 mi20624+2387830+1307830+13019876(Top 70%)7416(Top 61%)7416(Top 136%)
Half13.11 mi0.68 mi20625-17827+37827+320770(Top 73%)7896(Top 65%)7896(Top 144%)
25K15.53 mi2.42 mi20474+1517756+717756+7119629(Top 69%)7329(Top 60%)7329(Top 134%)
30K18.64 mi3.11 mi20081+3937568+1887568+18818522(Top 65%)6846(Top 56%)6846(Top 125%)
20M20.00 mi1.36 mi19757+3247408+1607408+16015877(Top 56%)5524(Top 45%)5524(Top 101%)
21M21.00 mi1.00 mi19521+2367299+1097299+10915960(Top 56%)5693(Top 47%)5693(Top 104%)
35K21.75 mi0.75 mi19432+897264+357264+3516946(Top 60%)6316(Top 52%)6316(Top 115%)
23M23.00 mi1.25 mi19240+1927183+817183+8116067(Top 57%)5932(Top 49%)5932(Top 108%)
24M24.00 mi1.00 mi19104+1367125+587125+5816069(Top 57%)5978(Top 49%)5978(Top 109%)
40K24.85 mi0.85 mi18975+1297084+417084+4116262(Top 57%)6194(Top 51%)6194(Top 113%)
25.2M25.20 mi0.35 mi18948+277081+37081+317315(Top 61%)6765(Top 55%)6765(Top 124%)
Finish26.22 mi1.02 mi18974-267114-337114-3319715(Top 69%)7985(Top 65%)7985(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20990

Females

7994

F18-39

7994

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21100

Females

8079

F18-39

8079

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20990

Females

7994

F18-39

7994

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19876

Females

7416

F18-39

7416

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20770

Females

7896

F18-39

7896

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19629

Females

7329

F18-39

7329

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18522

Females

6846

F18-39

6846

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15877

Females

5524

F18-39

5524

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15960

Females

5693

F18-39

5693

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16946

Females

6316

F18-39

6316

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16067

Females

5932

F18-39

5932

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16069

Females

5978

F18-39

5978

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16262

Females

6194

F18-39

6194

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17315

Females

6765

F18-39

6765

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19715

Females

7985

F18-39

7985

Passing Analysis

Category:
Athletes Passed
2671
Passed By
956
Net Change
+1715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20689
5K → 10K212377-165#20689#20854
10K → 15K187195-8#20854#20862
15K → 20K31072+238#20862#20624
20K → Half3536-1#20624#20625
Half → 25K22372+151#20625#20474
25K → 30K44855+393#20474#20081
30K → 20M3251+324#20081#19757
20M → 21M24913+236#19757#19521
21M → 35K10415+89#19521#19432
35K → 23M20311+192#19432#19240
23M → 24M14610+136#19240#19104
24M → 40K14112+129#19104#18975
40K → 25.2M4215+27#18975#18948
25.2M → Finish4672-26#18948#18974
TOTALS2671956+1715
📊

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