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BOSTON MARATHON 2025

Perla Estrada

Bib: 11674•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Masters (Masters Women)
#0 / 6759
Top 15%
Division (F40-44)
#0 / 1718
Top 32%
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
7:29/mi
23:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
46:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:10:50
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:35:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:40:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:00:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:25:45
↑ 181↓ 1480.2%
20M
8:20/mi
2:37:05
↑ 64↓ 500.2%
21M
8:54/mi
2:45:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:51:54
↑ 17↓ 861.7%
23M
8:21/mi
3:02:21
↑ 23↓ 630.6%
24M
8:07/mi
3:10:28
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:17:36
↓ 200.3%
25.2M
9:23/mi
3:20:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:29:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:45
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:48:16
Pace8:16 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2723:147:2923:14
7:29
-
10K
6.21 mi11:14:0546:527:3323:38
7:36
+0:07
15K
9.32 mi11:38:031:10:507:3623:58
7:43
+0:07
20K
12.43 mi12:02:401:35:277:4124:37
7:55
+0:12
Half
13.11 mi12:07:581:40:457:415:18
7:46
-0:09
25K
15.53 mi12:27:252:00:127:4419:27
8:01
+0:15
30K
18.64 mi12:52:582:25:457:4925:33
8:13
+0:12
20M
20.00 mi13:04:182:37:057:5111:20
8:20
+0:07
21M
21.00 mi13:13:122:45:597:548:54
8:54
+0:34
35K
21.75 mi13:19:072:51:547:545:55
7:55
-0:59
23M
23.00 mi13:29:343:02:217:5610:27
8:21
+0:26
24M
24.00 mi13:37:413:10:287:568:07
8:07
-0:14
40K
24.85 mi13:44:493:17:367:577:08
8:21
+0:14
25.2M
25.20 mi13:48:033:20:507:583:14
9:23
+1:02
Finish
26.22 mi13:56:143:29:017:598:11
8:02
-1:21

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

7:29 /mi

Average Pace

7:59 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:08

36% of race

Time at Steady Pace

1:31:50

44% of race

Time at Slower Pace

41:03

20% of race

Average Pace: 7:58 /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 mi10:50:2723:147:2923:14
7:29
#12058
10K
6.21 mi11:14:0546:527:3323:38
7:36
#12518
15K
9.32 mi11:38:031:10:507:3623:58
7:43
#12870
20K
12.43 mi12:02:401:35:277:4124:37
7:55
#13199
Half
13.11 mi12:07:581:40:457:415:18
7:46
#13231
25K
15.53 mi12:27:252:00:127:4419:27
8:01
#13333
30K
18.64 mi12:52:582:25:457:4925:33
8:13
#13252
20M
20.00 mi13:04:182:37:057:5111:20
8:20
#13168
21M
21.00 mi13:13:122:45:597:548:54
8:54
#13122
35K
21.75 mi13:19:072:51:547:545:55
7:55
#13049
23M
23.00 mi13:29:343:02:217:5610:27
8:21
#12988
24M
24.00 mi13:37:413:10:287:568:07
8:07
#12941
40K
24.85 mi13:44:493:17:367:577:08
8:21
#12899
25.2M
25.20 mi13:48:033:20:507:583:14
9:23
#12922
Finish
26.22 mi13:56:143:29:017:598:11
8:02
#12914
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi120582830283013653(Top 48%)3816(Top 31%)3816(Top 222%)
10K6.21 mi3.10 mi12518-4603084-2543084-25413107(Top 46%)3437(Top 28%)3437(Top 200%)
15K9.32 mi3.11 mi12870-3523311-2273311-22713653(Top 48%)3816(Top 31%)3816(Top 222%)
20K12.43 mi3.11 mi13199-3293554-2433554-24314309(Top 50%)4252(Top 35%)4252(Top 247%)
Half13.11 mi0.68 mi13231-323577-233577-2314033(Top 49%)4066(Top 33%)4066(Top 237%)
25K15.53 mi2.42 mi13333-1023670-933670-9314077(Top 50%)4237(Top 35%)4237(Top 247%)
30K18.64 mi3.11 mi13252+813692-223692-2212997(Top 46%)3819(Top 31%)3819(Top 222%)
20M20.00 mi1.36 mi13168+843671+213671+2112779(Top 45%)3845(Top 31%)3845(Top 224%)
21M21.00 mi1.00 mi13122+463674-33674-312939(Top 46%)4082(Top 33%)4082(Top 238%)
35K21.75 mi0.75 mi13049+733651+233651+2311681(Top 41%)3483(Top 28%)3483(Top 203%)
23M23.00 mi1.25 mi12988+613660-93660-912334(Top 43%)3917(Top 32%)3917(Top 228%)
24M24.00 mi1.00 mi12941+473672-123672-1212047(Top 42%)3826(Top 31%)3826(Top 223%)
40K24.85 mi0.85 mi12899+423680-83680-812441(Top 44%)4150(Top 34%)4150(Top 242%)
25.2M25.20 mi0.35 mi12922-233700-203700-2013908(Top 49%)4951(Top 40%)4951(Top 288%)
Finish26.22 mi1.02 mi12914+83711-113711-1113095(Top 46%)4483(Top 37%)4483(Top 261%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

13653

Females

3816

F40-44

3816

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13107

Females

3437

F40-44

3437

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

13653

Females

3816

F40-44

3816

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14309

Females

4252

F40-44

4252

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

14033

Females

4066

F40-44

4066

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14077

Females

4237

F40-44

4237

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12997

Females

3819

F40-44

3819

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12779

Females

3845

F40-44

3845

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12939

Females

4082

F40-44

4082

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11681

Females

3483

F40-44

3483

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12334

Females

3917

F40-44

3917

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

12047

Females

3826

F40-44

3826

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12441

Females

4150

F40-44

4150

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13908

Females

4951

F40-44

4951

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13095

Females

4483

F40-44

4483

Passing Analysis

Category:
Athletes Passed
1543
Passed By
2399
Net Change
-856
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12058
5K → 10K110570-460#12058#12518
10K → 15K90442-352#12518#12870
15K → 20K105434-329#12870#13199
20K → Half2254-32#13199#13231
Half → 25K136238-102#13231#13333
25K → 30K284203+81#13333#13252
30K → 20M14965+84#13252#13168
20M → 21M12882+46#13168#13122
21M → 35K8613+73#13122#13049
35K → 23M13978+61#13049#12988
23M → 24M10356+47#12988#12941
24M → 40K8442+42#12941#12899
40K → 25.2M2851-23#12899#12922
25.2M → Finish7971+8#12922#12914
TOTALS15432399-856
📊

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