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BOSTON MARATHON 2025

Maria Madero

Bib: 15447•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 28%
Division (F18-39)
#0 / 5469
Top 47%
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
7:28/mi
23:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:10:11
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:33:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:38:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:57:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:22:46
↑ 181↓ 1480.2%
20M
8:23/mi
2:34:09
↑ 64↓ 500.2%
21M
8:55/mi
2:43:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:49:08
↑ 17↓ 861.7%
23M
8:35/mi
2:59:53
↑ 23↓ 630.6%
24M
8:11/mi
3:08:04
↓ 821.3%
40K· 24.85 mi
8:47/mi
3:15:35
↓ 200.3%
25.2M
9:40/mi
3:18:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:27:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:32
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:48:57
Pace8:19 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:4623:137:2823:13
7:28
-
10K
6.21 mi11:20:1246:397:3023:26
7:33
+0:05
15K
9.32 mi11:43:441:10:117:3223:32
7:34
+0:01
20K
12.43 mi12:07:051:33:327:3223:21
7:31
-0:03
Half
13.11 mi12:12:051:38:327:315:00
7:20
-0:11
25K
15.53 mi12:31:061:57:337:3419:01
7:51
+0:31
30K
18.64 mi12:56:192:22:467:4025:13
8:07
+0:16
20M
20.00 mi13:07:422:34:097:4211:23
8:23
+0:16
21M
21.00 mi13:16:372:43:047:468:55
8:55
+0:32
35K
21.75 mi13:22:412:49:087:476:04
8:07
-0:48
23M
23.00 mi13:33:262:59:537:4910:45
8:35
+0:28
24M
24.00 mi13:41:373:08:047:508:11
8:11
-0:24
40K
24.85 mi13:49:083:15:357:527:31
8:47
+0:36
25.2M
25.20 mi13:52:283:18:557:543:20
9:40
+0:53
Finish
26.22 mi14:01:023:27:297:558:34
8:24
-1:16

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

7:20 /mi

Average Pace

7:55 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:32

47% of race

Time at Steady Pace

1:18:26

38% of race

Time at Slower Pace

30:31

15% of race

Average Pace: 7:55 /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 mi10:56:4623:137:2823:13
7:28
#12030
10K
6.21 mi11:20:1246:397:3023:26
7:33
#12204
15K
9.32 mi11:43:441:10:117:3223:32
7:34
#12248
20K
12.43 mi12:07:051:33:327:3223:21
7:31
#11868
Half
13.11 mi12:12:051:38:327:315:00
7:20
#11779
25K
15.53 mi12:31:061:57:337:3419:01
7:51
#11900
30K
18.64 mi12:56:192:22:467:4025:13
8:07
#11897
20M
20.00 mi13:07:422:34:097:4211:23
8:23
#11982
21M
21.00 mi13:16:372:43:047:468:55
8:55
#12018
35K
21.75 mi13:22:412:49:087:476:04
8:07
#12049
23M
23.00 mi13:33:262:59:537:4910:45
8:35
#12131
24M
24.00 mi13:41:373:08:047:508:11
8:11
#12134
40K
24.85 mi13:49:083:15:357:527:31
8:47
#12253
25.2M
25.20 mi13:52:283:18:557:543:20
9:40
#12303
Finish
26.22 mi14:01:023:27:297:558:34
8:24
#12445
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi120302818281812393(Top 44%)3112(Top 25%)3112(Top 57%)
10K6.21 mi3.10 mi12204-1742914-962914-9612505(Top 44%)3093(Top 25%)3093(Top 57%)
15K9.32 mi3.11 mi12248-442973-592973-5912393(Top 44%)3112(Top 25%)3112(Top 57%)
20K12.43 mi3.11 mi11868+3802800+1732800+17310914(Top 38%)2433(Top 20%)2433(Top 44%)
Half13.11 mi0.68 mi11779+892760+402760+4010374(Top 37%)2154(Top 18%)2154(Top 39%)
25K15.53 mi2.42 mi11900-1212871-1112871-11112705(Top 45%)3502(Top 29%)3502(Top 64%)
30K18.64 mi3.11 mi11897+32946-752946-7512228(Top 43%)3404(Top 28%)3404(Top 62%)
20M20.00 mi1.36 mi11982-853025-793025-7913001(Top 46%)3972(Top 32%)3972(Top 73%)
21M21.00 mi1.00 mi12018-363079-543079-5413037(Top 46%)4137(Top 34%)4137(Top 76%)
35K21.75 mi0.75 mi12049-313123-443123-4413010(Top 46%)4158(Top 34%)4158(Top 76%)
23M23.00 mi1.25 mi12131-823200-773200-7713842(Top 49%)4714(Top 39%)4714(Top 86%)
24M24.00 mi1.00 mi12134-33239-393239-3912477(Top 44%)4031(Top 33%)4031(Top 74%)
40K24.85 mi0.85 mi12253-1193336-973336-9715147(Top 53%)5591(Top 46%)5591(Top 102%)
25.2M25.20 mi0.35 mi12303-503368-323368-3215451(Top 54%)5775(Top 47%)5775(Top 106%)
Finish26.22 mi1.02 mi12445-1423470-1023470-10215628(Top 55%)5810(Top 48%)5810(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12393

Females

3112

F18-39

3112

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12505

Females

3093

F18-39

3093

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12393

Females

3112

F18-39

3112

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10914

Females

2433

F18-39

2433

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10374

Females

2154

F18-39

2154

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12705

Females

3502

F18-39

3502

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12228

Females

3404

F18-39

3404

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

13001

Females

3972

F18-39

3972

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13037

Females

4137

F18-39

4137

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13010

Females

4158

F18-39

4158

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13842

Females

4714

F18-39

4714

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12477

Females

4031

F18-39

4031

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15147

Females

5591

F18-39

5591

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15451

Females

5775

F18-39

5775

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15628

Females

5810

F18-39

5810

Passing Analysis

Category:
Athletes Passed
1706
Passed By
2121
Net Change
-415
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12030
5K → 10K176350-174#12030#12204
10K → 15K176220-44#12204#12248
15K → 20K41535+380#12248#11868
20K → Half912+89#11868#11779
Half → 25K129250-121#11779#11900
25K → 30K232229+3#11900#11897
30K → 20M91176-85#11897#11982
20M → 21M91127-36#11982#12018
21M → 35K5283-31#12018#12049
35K → 23M83165-82#12049#12131
23M → 24M7679-3#12131#12134
24M → 40K43162-119#12134#12253
40K → 25.2M1464-50#12253#12303
25.2M → Finish37179-142#12303#12445
TOTALS17062121-415
📊

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