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BOSTON MARATHON 2025

Cecilia Ledesma

Bib: 16181•F

CA

0:00
0:00
/ mi
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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
27:07
Rank: #21138
Start → 5K
27:07 | 8:44/mi
10K· 6.21 mi
54:15
Rank: #21059 (+79)
5K → 10K
27:08 | 8:44/mi
15K· 9.32 mi
1:21:17
Rank: #20853 (+206)
10K → 15K
27:02 | 8:42/mi
20K· 12.43 mi
1:48:08
Rank: #20432 (+421)
15K → 20K
26:51 | 8:39/mi
Half· 13.11 mi
1:54:02
Rank: #20402 (+30)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:15:27
Rank: #20176 (+226)
Half → 25K
21:25 | 8:50/mi
30K· 18.64 mi
2:44:03
Rank: #19867 (+309)
25K → 30K
28:36 | 9:12/mi
20M
2:56:31
Rank: #19694 (+173)
30K → 20M
12:28 | 9:10/mi
21M
3:06:17
Rank: #19546 (+148)
20M → 21M
9:46 | 9:46/mi
35K· 21.75 mi
3:13:04
Rank: #19513 (+33)
21M → 35K
6:47 | 9:04/mi
23M
3:24:40
Rank: #19405 (+108)
35K → 23M
11:36 | 9:16/mi
24M
3:33:54
Rank: #19362 (+43)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:41:38
Rank: #19249 (+113)
24M → 40K
7:44 | 9:03/mi
25.2M
3:44:54
Rank: #19176 (+73)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:53:36
Rank: #19059 (+117)
25.2M → Finish
8:42 | 8:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:02
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time1:59:34
Pace9:07 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:3827:078:4427:07
8:44
-
10K
6.21 mi11:28:4654:158:4427:08
8:44
0:00
15K
9.32 mi11:55:481:21:178:4327:02
8:42
-0:02
20K
12.43 mi12:22:391:48:088:4226:51
8:39
-0:03
Half
13.11 mi12:28:331:54:028:425:54
8:39
0:00
25K
15.53 mi12:49:582:15:278:4321:25
8:50
+0:11
30K
18.64 mi13:18:342:44:038:4828:36
9:12
+0:22
20M
20.00 mi13:31:022:56:318:5012:28
9:10
-0:02
21M
21.00 mi13:40:483:06:178:529:46
9:46
+0:36
35K
21.75 mi13:47:353:13:048:536:47
9:04
-0:42
23M
23.00 mi13:59:113:24:408:5411:36
9:16
+0:12
24M
24.00 mi14:08:253:33:548:559:14
9:14
-0:02
40K
24.85 mi14:16:093:41:388:557:44
9:03
-0:11
25.2M
25.20 mi14:19:253:44:548:553:16
9:28
+0:25
Finish
26.22 mi14:28:073:53:368:558:42
8:32
-0:56

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

8:32 /mi

Average Pace

8:55 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:40:34

94% of race

Time at Steady Pace

13:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:55 /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 mi11:01:3827:078:4427:07
8:44
#21138
10K
6.21 mi11:28:4654:158:4427:08
8:44
#21059
15K
9.32 mi11:55:481:21:178:4327:02
8:42
#20853
20K
12.43 mi12:22:391:48:088:4226:51
8:39
#20432
Half
13.11 mi12:28:331:54:028:425:54
8:39
#20402
25K
15.53 mi12:49:582:15:278:4321:25
8:50
#20176
30K
18.64 mi13:18:342:44:038:4828:36
9:12
#19867
20M
20.00 mi13:31:022:56:318:5012:28
9:10
#19694
21M
21.00 mi13:40:483:06:178:529:46
9:46
#19546
35K
21.75 mi13:47:353:13:048:536:47
9:04
#19513
23M
23.00 mi13:59:113:24:408:5411:36
9:16
#19405
24M
24.00 mi14:08:253:33:548:559:14
9:14
#19362
40K
24.85 mi14:16:093:41:388:557:44
9:03
#19249
25.2M
25.20 mi14:19:253:44:548:553:16
9:28
#19176
Finish
26.22 mi14:28:073:53:368:558:42
8:32
#19059
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi211388156815620501(Top 72%)7711(Top 63%)7711(Top 141%)
10K6.21 mi3.10 mi21059+798081+758081+7521076(Top 74%)8059(Top 66%)8059(Top 147%)
15K9.32 mi3.11 mi20853+2067956+1257956+12520501(Top 72%)7711(Top 63%)7711(Top 141%)
20K12.43 mi3.11 mi20432+4217719+2377719+23719105(Top 67%)6974(Top 57%)6974(Top 128%)
Half13.11 mi0.68 mi20402+307705+147705+1420079(Top 71%)7519(Top 61%)7519(Top 137%)
25K15.53 mi2.42 mi20176+2267590+1157590+11519119(Top 67%)7039(Top 58%)7039(Top 129%)
30K18.64 mi3.11 mi19867+3097445+1457445+14518663(Top 66%)6929(Top 57%)6929(Top 127%)
20M20.00 mi1.36 mi19694+1737369+767369+7617681(Top 62%)6525(Top 53%)6525(Top 119%)
21M21.00 mi1.00 mi19546+1487312+577312+5717358(Top 61%)6460(Top 53%)6460(Top 118%)
35K21.75 mi0.75 mi19513+337310+27310+218593(Top 65%)7247(Top 59%)7247(Top 133%)
23M23.00 mi1.25 mi19405+1087290+207290+2017644(Top 62%)6816(Top 56%)6816(Top 125%)
24M24.00 mi1.00 mi19362+437289+17289+118522(Top 65%)7306(Top 60%)7306(Top 134%)
40K24.85 mi0.85 mi19249+1137238+517238+5116617(Top 59%)6387(Top 52%)6387(Top 117%)
25.2M25.20 mi0.35 mi19176+737210+287210+2814560(Top 51%)5349(Top 44%)5349(Top 98%)
Finish26.22 mi1.02 mi19059+1177162+487162+4816504(Top 58%)6314(Top 52%)6314(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20501

Females

7711

F18-39

7711

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21076

Females

8059

F18-39

8059

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20501

Females

7711

F18-39

7711

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

19105

Females

6974

F18-39

6974

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20079

Females

7519

F18-39

7519

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19119

Females

7039

F18-39

7039

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18663

Females

6929

F18-39

6929

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17681

Females

6525

F18-39

6525

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17358

Females

6460

F18-39

6460

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18593

Females

7247

F18-39

7247

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17644

Females

6816

F18-39

6816

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18522

Females

7306

F18-39

7306

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16617

Females

6387

F18-39

6387

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14560

Females

5349

F18-39

5349

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16504

Females

6314

F18-39

6314

Passing Analysis

Category:
Athletes Passed
2783
Passed By
704
Net Change
+2079
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21138
5K → 10K319240+79#21138#21059
10K → 15K29993+206#21059#20853
15K → 20K44625+421#20853#20432
20K → Half4818+30#20432#20402
Half → 25K28155+226#20402#20176
25K → 30K38778+309#20176#19867
30K → 20M19219+173#19867#19694
20M → 21M18436+148#19694#19546
21M → 35K6734+33#19546#19513
35K → 23M14941+108#19513#19405
23M → 24M8643+43#19405#19362
24M → 40K12310+113#19362#19249
40K → 25.2M774+73#19249#19176
25.2M → Finish1258+117#19176#19059
TOTALS2783704+2079
📊

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