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BOSTON MARATHON 2025

Silvia Lucero

Bib: 28380•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:12/mi
28:34
↑ 97↓ 3451.5%
10K· 6.21 mi
9:01/mi
56:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:57/mi
1:24:24
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:52:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:58:33
↑ 19↓ 370.5%
25K· 15.53 mi
9:09/mi
2:20:45
↑ 66↓ 880.2%
30K· 18.64 mi
9:58/mi
2:51:44
↑ 181↓ 1480.2%
20M
10:33/mi
3:06:04
↑ 64↓ 500.2%
21M
11:09/mi
3:17:13
↑ 106↓ 241.6%
35K· 21.75 mi
9:07/mi
3:24:02
↑ 17↓ 861.7%
23M
9:37/mi
3:36:04
↑ 23↓ 630.6%
24M
9:32/mi
3:45:36
↓ 821.3%
40K· 24.85 mi
9:28/mi
3:53:42
↓ 200.3%
25.2M
10:12/mi
3:57:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
4:06:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:33
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:07:49
Pace9:45 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2628:349:1228:34
9:12
-
10K
6.21 mi12:15:2756:359:0628:01
9:01
-0:11
15K
9.32 mi12:43:161:24:249:0327:49
8:57
-0:04
20K
12.43 mi13:11:191:52:279:0328:03
9:02
+0:05
Half
13.11 mi13:17:251:58:339:036:06
8:56
-0:06
25K
15.53 mi13:39:372:20:459:0422:12
9:09
+0:13
30K
18.64 mi14:10:362:51:449:1330:59
9:58
+0:49
20M
20.00 mi14:24:563:06:049:1814:20
10:33
+0:35
21M
21.00 mi14:36:053:17:139:2311:09
11:09
+0:36
35K
21.75 mi14:42:543:24:029:236:49
9:07
-2:02
23M
23.00 mi14:54:563:36:049:2412:02
9:37
+0:30
24M
24.00 mi15:04:283:45:369:249:32
9:32
-0:05
40K
24.85 mi15:12:343:53:429:248:06
9:28
-0:04
25.2M
25.20 mi15:16:053:57:139:253:31
10:12
+0:44
Finish
26.22 mi15:25:144:06:229:249:09
8:59
-1:13

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

8:56 /mi

Average Pace

9:24 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:44:49

67% of race

Time at Slower Pace

1:21:33

33% of race

Average Pace: 9:24 /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 mi11:47:2628:349:1228:34
9:12
#23219
10K
6.21 mi12:15:2756:359:0628:01
9:01
#22837
15K
9.32 mi12:43:161:24:249:0327:49
8:57
#22520
20K
12.43 mi13:11:191:52:279:0328:03
9:02
#22158
Half
13.11 mi13:17:251:58:339:036:06
8:56
#22117
25K
15.53 mi13:39:372:20:459:0422:12
9:09
#21834
30K
18.64 mi14:10:362:51:449:1330:59
9:58
#21818
20M
20.00 mi14:24:563:06:049:1814:20
10:33
#21889
21M
21.00 mi14:36:053:17:139:2311:09
11:09
#21889
35K
21.75 mi14:42:543:24:029:236:49
9:07
#21777
23M
23.00 mi14:54:563:36:049:2412:02
9:37
#21600
24M
24.00 mi15:04:283:45:369:249:32
9:32
#21513
40K
24.85 mi15:12:343:53:429:248:06
9:28
#21398
25.2M
25.20 mi15:16:053:57:139:253:31
10:12
#21339
Finish
26.22 mi15:25:144:06:229:249:09
8:59
#21246
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi232199283928321829(Top 77%)8452(Top 69%)8452(Top 466%)
10K6.21 mi3.10 mi22837+3829065+2189065+21822467(Top 79%)8845(Top 72%)8845(Top 488%)
15K9.32 mi3.11 mi22520+3178868+1978868+19721829(Top 77%)8452(Top 69%)8452(Top 466%)
20K12.43 mi3.11 mi22158+3628683+1858683+18521134(Top 74%)8130(Top 66%)8130(Top 448%)
Half13.11 mi0.68 mi22117+418661+228661+2221605(Top 76%)8374(Top 68%)8374(Top 462%)
25K15.53 mi2.42 mi21834+2838519+1428519+14220602(Top 73%)7876(Top 64%)7876(Top 434%)
30K18.64 mi3.11 mi21818+168522-38522-321524(Top 76%)8510(Top 70%)8510(Top 469%)
20M20.00 mi1.36 mi21889-718575-538575-5322574(Top 79%)9195(Top 75%)9195(Top 507%)
21M21.00 mi1.00 mi218898601-268601-2621778(Top 77%)8850(Top 72%)8850(Top 488%)
35K21.75 mi0.75 mi21777+1128560+418560+4118820(Top 66%)7371(Top 60%)7371(Top 407%)
23M23.00 mi1.25 mi21600+1778488+728488+7219142(Top 67%)7586(Top 62%)7586(Top 418%)
24M24.00 mi1.00 mi21513+878457+318457+3119758(Top 70%)7965(Top 65%)7965(Top 439%)
40K24.85 mi0.85 mi21398+1158418+398418+3918642(Top 66%)7458(Top 61%)7458(Top 411%)
25.2M25.20 mi0.35 mi21339+598394+248394+2417964(Top 63%)7142(Top 58%)7142(Top 394%)
Finish26.22 mi1.02 mi21246+938358+368358+3618956(Top 67%)7577(Top 62%)7577(Top 418%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21829

Females

8452

F45-49

8452

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22467

Females

8845

F45-49

8845

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21829

Females

8452

F45-49

8452

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21134

Females

8130

F45-49

8130

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21605

Females

8374

F45-49

8374

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20602

Females

7876

F45-49

7876

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

21524

Females

8510

F45-49

8510

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22574

Females

9195

F45-49

9195

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21778

Females

8850

F45-49

8850

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18820

Females

7371

F45-49

7371

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19142

Females

7586

F45-49

7586

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19758

Females

7965

F45-49

7965

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18642

Females

7458

F45-49

7458

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17964

Females

7142

F45-49

7142

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

18956

Females

7577

F45-49

7577

Passing Analysis

Category:
Athletes Passed
2620
Passed By
647
Net Change
+1973
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23219
5K → 10K46179+382#23219#22837
10K → 15K36144+317#22837#22520
15K → 20K39129+362#22520#22158
20K → Half5615+41#22158#22117
Half → 25K30320+283#22117#21834
25K → 30K210194+16#21834#21818
30K → 20M69140-71#21818#21889
20M → 21M85850#21889#21889
21M → 35K1186+112#21889#21777
35K → 23M1858+177#21777#21600
23M → 24M9710+87#21600#21513
24M → 40K1238+115#21513#21398
40K → 25.2M601+59#21398#21339
25.2M → Finish1018+93#21339#21246
TOTALS2620647+1973
📊

Passing Visuals

Category:
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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