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BOSTON MARATHON 2025

Lilian Reyes-Cornejo

Bib: 17857•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 30%
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
25:10
Rank: #17355
Start → 5K
25:10 | 8:06/mi
10K· 6.21 mi
50:53
Rank: #17902 (-547)
5K → 10K
25:43 | 8:17/mi
15K· 9.32 mi
1:16:02
Rank: #17470 (+432)
10K → 15K
25:09 | 8:06/mi
20K· 12.43 mi
1:42:58
Rank: #17909 (-439)
15K → 20K
26:56 | 8:40/mi
Half· 13.11 mi
1:49:02
Rank: #18073 (-164)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:09:30
Rank: #17824 (+249)
Half → 25K
20:28 | 8:26/mi
30K· 18.64 mi
2:36:08
Rank: #17307 (+517)
25K → 30K
26:38 | 8:34/mi
20M
2:47:33
Rank: #16995 (+312)
30K → 20M
11:25 | 8:24/mi
21M
2:56:34
Rank: #16757 (+238)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
3:02:49
Rank: #16656 (+101)
21M → 35K
6:15 | 8:21/mi
23M
3:13:14
Rank: #16346 (+310)
35K → 23M
10:25 | 8:19/mi
24M
3:21:24
Rank: #16153 (+193)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:28:25
Rank: #15976 (+177)
24M → 40K
7:01 | 8:12/mi
25.2M
3:31:31
Rank: #15900 (+76)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:39:15
Rank: #15685 (+215)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:02
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:50:13
Pace8:24 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3125:108:0625:10
8:06
-
10K
6.21 mi11:41:1450:538:1125:43
8:17
+0:11
15K
9.32 mi12:06:231:16:028:0925:09
8:06
-0:11
20K
12.43 mi12:33:191:42:588:1726:56
8:40
+0:34
Half
13.11 mi12:39:231:49:028:196:04
8:54
+0:14
25K
15.53 mi12:59:512:09:308:2020:28
8:26
-0:28
30K
18.64 mi13:26:292:36:088:2326:38
8:34
+0:08
20M
20.00 mi13:37:542:47:338:2311:25
8:24
-0:10
21M
21.00 mi13:46:552:56:348:249:01
9:01
+0:37
35K
21.75 mi13:53:103:02:498:246:15
8:21
-0:40
23M
23.00 mi14:03:353:13:148:2410:25
8:19
-0:02
24M
24.00 mi14:11:453:21:248:248:10
8:10
-0:09
40K
24.85 mi14:18:463:28:258:237:01
8:12
+0:02
25.2M
25.20 mi14:21:523:31:318:243:06
8:59
+0:47
Finish
26.22 mi14:29:363:39:158:227:44
7:35
-1:24

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

7:35 /mi

Average Pace

8:22 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:22

50% of race

Time at Steady Pace

1:37:46

45% of race

Time at Slower Pace

12:07

6% of race

Average Pace: 8:22 /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 mi11:15:3125:108:0625:10
8:06
#17355
10K
6.21 mi11:41:1450:538:1125:43
8:17
#17902
15K
9.32 mi12:06:231:16:028:0925:09
8:06
#17470
20K
12.43 mi12:33:191:42:588:1726:56
8:40
#17909
Half
13.11 mi12:39:231:49:028:196:04
8:54
#18073
25K
15.53 mi12:59:512:09:308:2020:28
8:26
#17824
30K
18.64 mi13:26:292:36:088:2326:38
8:34
#17307
20M
20.00 mi13:37:542:47:338:2311:25
8:24
#16995
21M
21.00 mi13:46:552:56:348:249:01
9:01
#16757
35K
21.75 mi13:53:103:02:498:246:15
8:21
#16656
23M
23.00 mi14:03:353:13:148:2410:25
8:19
#16346
24M
24.00 mi14:11:453:21:248:248:10
8:10
#16153
40K
24.85 mi14:18:463:28:258:237:01
8:12
#15976
25.2M
25.20 mi14:21:523:31:318:243:06
8:59
#15900
Finish
26.22 mi14:29:363:39:158:227:44
7:35
#15685
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi173555944594416712(Top 59%)5565(Top 46%)5565(Top 324%)
10K6.21 mi3.10 mi17902-5476268-3246268-32418407(Top 65%)6542(Top 54%)6542(Top 381%)
15K9.32 mi3.11 mi17470+4325993+2755993+27516712(Top 59%)5565(Top 46%)5565(Top 324%)
20K12.43 mi3.11 mi17909-4396281-2886281-28819252(Top 68%)7048(Top 58%)7048(Top 410%)
Half13.11 mi0.68 mi18073-1646380-996380-9921353(Top 75%)8214(Top 67%)8214(Top 478%)
25K15.53 mi2.42 mi17824+2496254+1266254+12616822(Top 59%)5749(Top 47%)5749(Top 335%)
30K18.64 mi3.11 mi17307+5176001+2536001+25315231(Top 54%)5035(Top 41%)5035(Top 293%)
20M20.00 mi1.36 mi16995+3125838+1635838+16313202(Top 46%)4094(Top 33%)4094(Top 238%)
21M21.00 mi1.00 mi16757+2385732+1065732+10613650(Top 48%)4445(Top 36%)4445(Top 259%)
35K21.75 mi0.75 mi16656+1015695+375695+3714640(Top 52%)5043(Top 41%)5043(Top 294%)
23M23.00 mi1.25 mi16346+3105543+1525543+15212198(Top 43%)3855(Top 32%)3855(Top 224%)
24M24.00 mi1.00 mi16153+1935469+745469+7412400(Top 44%)4006(Top 33%)4006(Top 233%)
40K24.85 mi0.85 mi15976+1775390+795390+7911646(Top 41%)3738(Top 31%)3738(Top 218%)
25.2M25.20 mi0.35 mi15900+765364+265364+2611845(Top 42%)3921(Top 32%)3921(Top 228%)
Finish26.22 mi1.02 mi15685+2155261+1035261+1039897(Top 35%)2956(Top 24%)2956(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16712

Females

5565

F40-44

5565

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18407

Females

6542

F40-44

6542

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16712

Females

5565

F40-44

5565

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19252

Females

7048

F40-44

7048

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21353

Females

8214

F40-44

8214

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16822

Females

5749

F40-44

5749

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15231

Females

5035

F40-44

5035

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13202

Females

4094

F40-44

4094

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13650

Females

4445

F40-44

4445

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14640

Females

5043

F40-44

5043

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12198

Females

3855

F40-44

3855

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12400

Females

4006

F40-44

4006

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11646

Females

3738

F40-44

3738

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11845

Females

3921

F40-44

3921

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9897

Females

2956

F40-44

2956

Passing Analysis

Category:
Athletes Passed
3193
Passed By
1523
Net Change
+1670
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17355
5K → 10K116663-547#17355#17902
10K → 15K47543+432#17902#17470
15K → 20K78517-439#17470#17909
20K → Half13177-164#17909#18073
Half → 25K29344+249#18073#17824
25K → 30K54528+517#17824#17307
30K → 20M3142+312#17307#16995
20M → 21M2479+238#16995#16757
21M → 35K11716+101#16757#16656
35K → 23M3133+310#16656#16346
23M → 24M1996+193#16346#16153
24M → 40K1814+177#16153#15976
40K → 25.2M837+76#15976#15900
25.2M → Finish2194+215#15900#15685
TOTALS31931523+1670
📊

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