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BOSTON MARATHON 2025

Silvia Leiva

Bib: 23368•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:11
Rank: #21255
Start → 5K
27:11 | 8:45/mi
10K· 6.21 mi
54:23
Rank: #21183 (+72)
5K → 10K
27:12 | 8:45/mi
15K· 9.32 mi
1:21:29
Rank: #20968 (+215)
10K → 15K
27:06 | 8:43/mi
20K· 12.43 mi
1:49:02
Rank: #20790 (+178)
15K → 20K
27:33 | 8:52/mi
Half· 13.11 mi
1:55:05
Rank: #20815 (-25)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:16:59
Rank: #20709 (+106)
Half → 25K
21:54 | 9:02/mi
30K· 18.64 mi
2:46:07
Rank: #20422 (+287)
25K → 30K
29:08 | 9:23/mi
20M
2:59:00
Rank: #20329 (+93)
30K → 20M
12:53 | 9:29/mi
21M
3:09:03
Rank: #20217 (+112)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
3:15:59
Rank: #20180 (+37)
21M → 35K
6:56 | 9:16/mi
23M
3:27:47
Rank: #20090 (+90)
35K → 23M
11:48 | 9:25/mi
24M
3:36:57
Rank: #19996 (+94)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:45:01
Rank: #19940 (+56)
24M → 40K
8:04 | 9:26/mi
25.2M
3:48:36
Rank: #19903 (+37)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:57:26
Rank: #19825 (+78)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:05
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:02:21
Pace9:20 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2827:118:4527:11
8:45
-
10K
6.21 mi11:50:4054:238:4527:12
8:45
0:00
15K
9.32 mi12:17:461:21:298:4527:06
8:43
-0:02
20K
12.43 mi12:45:191:49:028:4627:33
8:52
+0:09
Half
13.11 mi12:51:221:55:058:476:03
8:52
0:00
25K
15.53 mi13:13:162:16:598:4921:54
9:02
+0:10
30K
18.64 mi13:42:242:46:078:5529:08
9:23
+0:21
20M
20.00 mi13:55:172:59:008:5712:53
9:29
+0:06
21M
21.00 mi14:05:203:09:039:0010:03
10:03
+0:34
35K
21.75 mi14:12:163:15:599:016:56
9:16
-0:47
23M
23.00 mi14:24:043:27:479:0211:48
9:25
+0:09
24M
24.00 mi14:33:143:36:579:029:10
9:10
-0:15
40K
24.85 mi14:41:183:45:019:038:04
9:26
+0:16
25.2M
25.20 mi14:44:533:48:369:043:35
10:23
+0:57
Finish
26.22 mi14:53:433:57:269:048:50
8:40
-1:43

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

8:40 /mi

Average Pace

9:04 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:43:48

94% of race

Time at Steady Pace

10:03

4% of race

Time at Slower Pace

3:35

2% of race

Average Pace: 9:03 /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 mi11:23:2827:118:4527:11
8:45
#21255
10K
6.21 mi11:50:4054:238:4527:12
8:45
#21183
15K
9.32 mi12:17:461:21:298:4527:06
8:43
#20968
20K
12.43 mi12:45:191:49:028:4627:33
8:52
#20790
Half
13.11 mi12:51:221:55:058:476:03
8:52
#20815
25K
15.53 mi13:13:162:16:598:4921:54
9:02
#20709
30K
18.64 mi13:42:242:46:078:5529:08
9:23
#20422
20M
20.00 mi13:55:172:59:008:5712:53
9:29
#20329
21M
21.00 mi14:05:203:09:039:0010:03
10:03
#20217
35K
21.75 mi14:12:163:15:599:016:56
9:16
#20180
23M
23.00 mi14:24:043:27:479:0211:48
9:25
#20090
24M
24.00 mi14:33:143:36:579:029:10
9:10
#19996
40K
24.85 mi14:41:183:45:019:038:04
9:26
#19940
25.2M
25.20 mi14:44:533:48:369:043:35
10:23
#19903
Finish
26.22 mi14:53:433:57:269:048:50
8:40
#19825
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi212558218821820617(Top 73%)7785(Top 64%)7785(Top 783%)
10K6.21 mi3.10 mi21183+728154+648154+6421183(Top 75%)8131(Top 66%)8131(Top 818%)
15K9.32 mi3.11 mi20968+2158023+1318023+13120617(Top 73%)7785(Top 64%)7785(Top 783%)
20K12.43 mi3.11 mi20790+1787922+1017922+10120318(Top 72%)7661(Top 63%)7661(Top 771%)
Half13.11 mi0.68 mi20815-257931-97931-921248(Top 75%)8162(Top 67%)8162(Top 821%)
25K15.53 mi2.42 mi20709+1067879+527879+5220059(Top 71%)7564(Top 62%)7564(Top 761%)
30K18.64 mi3.11 mi20422+2877776+1037776+10319451(Top 68%)7365(Top 60%)7365(Top 741%)
20M20.00 mi1.36 mi20329+937739+377739+3719098(Top 67%)7314(Top 60%)7314(Top 736%)
21M21.00 mi1.00 mi20217+1127706+337706+3318524(Top 65%)7076(Top 58%)7076(Top 712%)
35K21.75 mi0.75 mi20180+377696+107696+1019474(Top 69%)7706(Top 63%)7706(Top 775%)
23M23.00 mi1.25 mi20090+907675+217675+2118365(Top 65%)7172(Top 59%)7172(Top 722%)
24M24.00 mi1.00 mi19996+947638+377638+3718218(Top 64%)7157(Top 59%)7157(Top 720%)
40K24.85 mi0.85 mi19940+567623+157623+1518458(Top 65%)7366(Top 60%)7366(Top 741%)
25.2M25.20 mi0.35 mi19903+377614+97614+918652(Top 66%)7463(Top 61%)7463(Top 751%)
Finish26.22 mi1.02 mi19825+787584+307584+3017327(Top 61%)6730(Top 55%)6730(Top 677%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20617

Females

7785

F55-59

7785

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21183

Females

8131

F55-59

8131

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20617

Females

7785

F55-59

7785

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20318

Females

7661

F55-59

7661

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21248

Females

8162

F55-59

8162

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20059

Females

7564

F55-59

7564

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19451

Females

7365

F55-59

7365

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

19098

Females

7314

F55-59

7314

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18524

Females

7076

F55-59

7076

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19474

Females

7706

F55-59

7706

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18365

Females

7172

F55-59

7172

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18218

Females

7157

F55-59

7157

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18458

Females

7366

F55-59

7366

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18652

Females

7463

F55-59

7463

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17327

Females

6730

F55-59

6730

Passing Analysis

Category:
Athletes Passed
2307
Passed By
877
Net Change
+1430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21255
5K → 10K311239+72#21255#21183
10K → 15K30893+215#21183#20968
15K → 20K26991+178#20968#20790
20K → Half1944-25#20790#20815
Half → 25K20599+106#20815#20709
25K → 30K36376+287#20709#20422
30K → 20M13946+93#20422#20329
20M → 21M15543+112#20329#20217
21M → 35K7235+37#20217#20180
35K → 23M11828+90#20180#20090
23M → 24M11521+94#20090#19996
24M → 40K8731+56#19996#19940
40K → 25.2M4710+37#19940#19903
25.2M → Finish9921+78#19903#19825
TOTALS2307877+1430
📊

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