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BOSTON MARATHON 2025

Maria De Paz Perez

Bib: 14888•F

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

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
8:36/mi
26:42
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
54:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:57/mi
1:21:57
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:50:18
↑ 106↓ 860.1%
Half· 13.11 mi
9:10/mi
1:56:33
↑ 19↓ 370.5%
25K· 15.53 mi
9:18/mi
2:19:07
↑ 66↓ 880.2%
30K· 18.64 mi
10:15/mi
2:50:57
↑ 181↓ 1480.2%
20M
9:45/mi
3:04:12
↑ 64↓ 500.2%
21M
11:40/mi
3:15:52
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:23:06
↑ 17↓ 861.7%
23M
10:37/mi
3:36:23
↑ 23↓ 630.6%
24M
9:15/mi
3:45:38
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:53:43
↓ 200.3%
25.2M
10:29/mi
3:57:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
4:06:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:33
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:09:54
Pace9:55 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:4626:428:3626:42
8:36
-
10K
6.21 mi11:25:1254:088:4327:26
8:50
+0:14
15K
9.32 mi11:53:011:21:578:4827:49
8:57
+0:07
20K
12.43 mi12:21:221:50:188:5328:21
9:07
+0:10
Half
13.11 mi12:27:371:56:338:536:15
9:10
+0:03
25K
15.53 mi12:50:112:19:078:5722:34
9:18
+0:08
30K
18.64 mi13:22:012:50:579:1031:50
10:15
+0:57
20M
20.00 mi13:35:163:04:129:1313:15
9:45
-0:30
21M
21.00 mi13:46:563:15:529:2011:40
11:40
+1:55
35K
21.75 mi13:54:103:23:069:207:14
9:40
-2:00
23M
23.00 mi14:07:273:36:239:2413:17
10:37
+0:57
24M
24.00 mi14:16:423:45:389:249:15
9:15
-1:22
40K
24.85 mi14:24:473:53:439:248:05
9:27
+0:12
25.2M
25.20 mi14:28:243:57:209:253:37
10:29
+1:02
Finish
26.22 mi14:37:314:06:279:249:07
8:57
-1:32

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

8:36 /mi

Average Pace

9:24 /mi

Slowest Pace

11:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:08

22% of race

Time at Steady Pace

1:58:40

48% of race

Time at Slower Pace

1:13:39

30% 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 mi10:57:4626:428:3626:42
8:36
#20432
10K
6.21 mi11:25:1254:088:4327:26
8:50
#20970
15K
9.32 mi11:53:011:21:578:4827:49
8:57
#21221
20K
12.43 mi12:21:221:50:188:5328:21
9:07
#21312
Half
13.11 mi12:27:371:56:338:536:15
9:10
#21396
25K
15.53 mi12:50:112:19:078:5722:34
9:18
#21360
30K
18.64 mi13:22:012:50:579:1031:50
10:15
#21623
20M
20.00 mi13:35:163:04:129:1313:15
9:45
#21515
21M
21.00 mi13:46:563:15:529:2011:40
11:40
#21643
35K
21.75 mi13:54:103:23:069:207:14
9:40
#21612
23M
23.00 mi14:07:273:36:239:2413:17
10:37
#21648
24M
24.00 mi14:16:423:45:389:249:15
9:15
#21517
40K
24.85 mi14:24:473:53:439:248:05
9:27
#21402
25.2M
25.20 mi14:28:243:57:209:253:37
10:29
#21358
Finish
26.22 mi14:37:314:06:279:249:07
8:57
#21259
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi204327764776421830(Top 77%)8453(Top 69%)8453(Top 155%)
10K6.21 mi3.10 mi20970-5388038-2748038-27421556(Top 76%)8344(Top 68%)8344(Top 153%)
15K9.32 mi3.11 mi21221-2518161-1238161-12321830(Top 77%)8453(Top 69%)8453(Top 155%)
20K12.43 mi3.11 mi21312-918208-478208-4721580(Top 76%)8360(Top 68%)8360(Top 153%)
Half13.11 mi0.68 mi21396-848260-528260-5222464(Top 79%)8855(Top 72%)8855(Top 162%)
25K15.53 mi2.42 mi21360+368249+118249+1121225(Top 75%)8218(Top 67%)8218(Top 150%)
30K18.64 mi3.11 mi21623-2638417-1688417-16822311(Top 79%)8944(Top 73%)8944(Top 164%)
20M20.00 mi1.36 mi21515+1088376+418376+4120139(Top 71%)7879(Top 64%)7879(Top 144%)
21M21.00 mi1.00 mi21643-1288469-938469-9322957(Top 81%)9473(Top 77%)9473(Top 173%)
35K21.75 mi0.75 mi21612+318463+68463+620923(Top 74%)8466(Top 69%)8466(Top 155%)
23M23.00 mi1.25 mi21648-368517-548517-5422301(Top 79%)9224(Top 75%)9224(Top 169%)
24M24.00 mi1.00 mi21517+1318460+578460+5718619(Top 66%)7360(Top 60%)7360(Top 135%)
40K24.85 mi0.85 mi21402+1158419+418419+4118563(Top 65%)7419(Top 61%)7419(Top 136%)
25.2M25.20 mi0.35 mi21358+448406+138406+1319023(Top 67%)7662(Top 63%)7662(Top 140%)
Finish26.22 mi1.02 mi21259+998363+438363+4318795(Top 66%)7491(Top 61%)7491(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21830

Females

8453

F18-39

8453

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21556

Females

8344

F18-39

8344

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21830

Females

8453

F18-39

8453

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21580

Females

8360

F18-39

8360

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22464

Females

8855

F18-39

8855

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21225

Females

8218

F18-39

8218

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22311

Females

8944

F18-39

8944

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20139

Females

7879

F18-39

7879

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

22957

Females

9473

F18-39

9473

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

20923

Females

8466

F18-39

8466

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22301

Females

9224

F18-39

9224

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18619

Females

7360

F18-39

7360

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18563

Females

7419

F18-39

7419

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19023

Females

7662

F18-39

7662

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18795

Females

7491

F18-39

7491

Passing Analysis

Category:
Athletes Passed
1423
Passed By
2250
Net Change
-827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20432
5K → 10K93631-538#20432#20970
10K → 15K123374-251#20970#21221
15K → 20K168259-91#21221#21312
20K → Half1195-84#21312#21396
Half → 25K164128+36#21396#21360
25K → 30K121384-263#21360#21623
30K → 20M14941+108#21623#21515
20M → 21M50178-128#21515#21643
21M → 35K5423+31#21643#21612
35K → 23M75111-36#21612#21648
23M → 24M1343+131#21648#21517
24M → 40K1249+115#21517#21402
40K → 25.2M506+44#21402#21358
25.2M → Finish1078+99#21358#21259
TOTALS14232250-827
📊

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