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BOSTON MARATHON 2025

Maria Pilar Medina

Bib: 29411•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
10:09/mi
31:33
↑ 97↓ 3451.5%
10K· 6.21 mi
9:43/mi
1:01:45
↑ 79↓ 1380.4%
15K· 9.32 mi
9:36/mi
1:31:35
↑ 67↓ 78
20K· 12.43 mi
9:37/mi
2:01:28
↑ 106↓ 860.1%
Half· 13.11 mi
9:33/mi
2:07:59
↑ 19↓ 370.5%
25K· 15.53 mi
9:38/mi
2:31:21
↑ 66↓ 880.2%
30K· 18.64 mi
10:03/mi
3:02:34
↑ 181↓ 1480.2%
20M
9:44/mi
3:15:48
↑ 64↓ 500.2%
21M
10:13/mi
3:26:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
3:33:05
↑ 17↓ 861.7%
23M
9:37/mi
3:45:08
↑ 23↓ 630.6%
24M
9:25/mi
3:54:33
↓ 821.3%
40K· 24.85 mi
9:34/mi
4:02:44
↓ 200.3%
25.2M
10:15/mi
4:06:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:04/mi
4:15:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:07:59
Pace9:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:07:31
Pace9:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4031:3310:0931:33
10:09
-
10K
6.21 mi12:20:521:01:459:5630:12
9:43
-0:26
15K
9.32 mi12:50:421:31:359:5029:50
9:36
-0:07
20K
12.43 mi13:20:352:01:289:4629:53
9:37
+0:01
Half
13.11 mi13:27:062:07:599:466:31
9:33
-0:04
25K
15.53 mi13:50:282:31:219:4523:22
9:38
+0:05
30K
18.64 mi14:21:413:02:349:4831:13
10:03
+0:25
20M
20.00 mi14:34:553:15:489:4713:14
9:44
-0:19
21M
21.00 mi14:45:083:26:019:4910:13
10:13
+0:29
35K
21.75 mi14:52:123:33:059:487:04
9:27
-0:46
23M
23.00 mi15:04:153:45:089:4712:03
9:37
+0:10
24M
24.00 mi15:13:403:54:339:469:25
9:25
-0:12
40K
24.85 mi15:21:514:02:449:468:11
9:34
+0:09
25.2M
25.20 mi15:25:234:06:169:463:32
10:15
+0:41
Finish
26.22 mi15:34:374:15:309:459:14
9:04
-1:11

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

9:04 /mi

Average Pace

9:45 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:59

70% of race

Time at Steady Pace

1:16:31

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:45 /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 mi11:50:4031:3310:0931:33
10:09
#25963
10K
6.21 mi12:20:521:01:459:5630:12
9:43
#25279
15K
9.32 mi12:50:421:31:359:5029:50
9:36
#24876
20K
12.43 mi13:20:352:01:289:4629:53
9:37
#24482
Half
13.11 mi13:27:062:07:599:466:31
9:33
#24449
25K
15.53 mi13:50:282:31:219:4523:22
9:38
#24088
30K
18.64 mi14:21:413:02:349:4831:13
10:03
#23649
20M
20.00 mi14:34:553:15:489:4713:14
9:44
#23402
21M
21.00 mi14:45:083:26:019:4910:13
10:13
#23171
35K
21.75 mi14:52:123:33:059:487:04
9:27
#23073
23M
23.00 mi15:04:153:45:089:4712:03
9:37
#22858
24M
24.00 mi15:13:403:54:339:469:25
9:25
#22703
40K
24.85 mi15:21:514:02:449:468:11
9:34
#22584
25.2M
25.20 mi15:25:234:06:169:463:32
10:15
#22521
Finish
26.22 mi15:34:374:15:309:459:14
9:04
#22418
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi25963107371073724027(Top 85%)9684(Top 79%)9684(Top 743%)
10K6.21 mi3.10 mi25279+68410384+35310384+35324672(Top 87%)10055(Top 82%)10055(Top 772%)
15K9.32 mi3.11 mi24876+40310155+22910155+22924027(Top 85%)9684(Top 79%)9684(Top 743%)
20K12.43 mi3.11 mi24482+3949967+1889967+18823266(Top 82%)9283(Top 76%)9283(Top 712%)
Half13.11 mi0.68 mi24449+339946+219946+2123719(Top 84%)9542(Top 78%)9542(Top 732%)
25K15.53 mi2.42 mi24088+3619754+1929754+19222322(Top 79%)8830(Top 72%)8830(Top 678%)
30K18.64 mi3.11 mi23649+4399540+2149540+21421738(Top 77%)8636(Top 71%)8636(Top 663%)
20M20.00 mi1.36 mi23402+2479418+1229418+12220093(Top 71%)7850(Top 64%)7850(Top 602%)
21M21.00 mi1.00 mi23171+2319314+1049314+10419105(Top 67%)7389(Top 60%)7389(Top 567%)
35K21.75 mi0.75 mi23073+989278+369278+3620179(Top 71%)8082(Top 66%)8082(Top 620%)
23M23.00 mi1.25 mi22858+2159185+939185+9319205(Top 68%)7625(Top 62%)7625(Top 585%)
24M24.00 mi1.00 mi22703+1559121+649121+6419347(Top 68%)7744(Top 63%)7744(Top 594%)
40K24.85 mi0.85 mi22584+1199075+469075+4619028(Top 67%)7653(Top 63%)7653(Top 587%)
25.2M25.20 mi0.35 mi22521+639043+329043+3218180(Top 64%)7255(Top 59%)7255(Top 557%)
Finish26.22 mi1.02 mi22418+1039011+329011+3219374(Top 68%)7806(Top 64%)7806(Top 599%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24027

Females

9684

F50-54

9684

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24672

Females

10055

F50-54

10055

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24027

Females

9684

F50-54

9684

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23266

Females

9283

F50-54

9283

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23719

Females

9542

F50-54

9542

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22322

Females

8830

F50-54

8830

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21738

Females

8636

F50-54

8636

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20093

Females

7850

F50-54

7850

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19105

Females

7389

F50-54

7389

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20179

Females

8082

F50-54

8082

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19205

Females

7625

F50-54

7625

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19347

Females

7744

F50-54

7744

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19028

Females

7653

F50-54

7653

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18180

Females

7255

F50-54

7255

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19374

Females

7806

F50-54

7806

Passing Analysis

Category:
Athletes Passed
3624
Passed By
79
Net Change
+3545
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25963
5K → 10K69915+684#25963#25279
10K → 15K41310+403#25279#24876
15K → 20K3984+394#24876#24482
20K → Half429+33#24482#24449
Half → 25K3687+361#24449#24088
25K → 30K4478+439#24088#23649
30K → 20M2503+247#23649#23402
20M → 21M2310+231#23402#23171
21M → 35K1057+98#23171#23073
35K → 23M2172+215#23073#22858
23M → 24M1594+155#22858#22703
24M → 40K1212+119#22703#22584
40K → 25.2M630+63#22584#22521
25.2M → Finish1118+103#22521#22418
TOTALS362479+3545
📊

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