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BOSTON MARATHON 2025

Madison Larrea

Bib: 30034•F

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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
9:07/mi
28:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:46/mi
55:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:23:05
↑ 67↓ 78
20K· 12.43 mi
8:51/mi
1:50:35
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:56:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:53/mi
2:18:05
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:46:04
↑ 181↓ 1480.2%
20M
8:51/mi
2:58:05
↑ 64↓ 500.2%
21M
9:10/mi
3:07:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:13:32
↑ 17↓ 861.7%
23M
8:46/mi
3:24:30
↑ 23↓ 630.6%
24M
8:42/mi
3:33:12
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:40:45
↓ 200.3%
25.2M
9:20/mi
3:43:58
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:52:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:56:33
Pace8:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:55:52
Pace8:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0228:189:0728:18
9:07
-
10K
6.21 mi12:15:1755:338:5627:15
8:46
-0:21
15K
9.32 mi12:42:491:23:058:5527:32
8:52
+0:06
20K
12.43 mi13:10:191:50:358:5427:30
8:51
-0:01
Half
13.11 mi13:16:171:56:338:535:58
8:45
-0:06
25K
15.53 mi13:37:492:18:058:5321:32
8:53
+0:08
30K
18.64 mi14:05:482:46:048:5527:59
9:00
+0:07
20M
20.00 mi14:17:492:58:058:5412:01
8:51
-0:09
21M
21.00 mi14:26:593:07:158:559:10
9:10
+0:19
35K
21.75 mi14:33:163:13:328:546:17
8:24
-0:46
23M
23.00 mi14:44:143:24:308:5310:58
8:46
+0:22
24M
24.00 mi14:52:563:33:128:538:42
8:42
-0:04
40K
24.85 mi15:00:293:40:458:537:33
8:50
+0:08
25.2M
25.20 mi15:03:423:43:588:533:13
9:20
+0:30
Finish
26.22 mi15:12:093:52:258:528:27
8:18
-1:02

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

8:18 /mi

Average Pace

8:52 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:40:02

95% of race

Time at Steady Pace

12:23

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:52 /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 mi11:48:0228:189:0728:18
9:07
#22878
10K
6.21 mi12:15:1755:338:5627:15
8:46
#22157
15K
9.32 mi12:42:491:23:058:5527:32
8:52
#21880
20K
12.43 mi13:10:191:50:358:5427:30
8:51
#21441
Half
13.11 mi13:16:171:56:338:535:58
8:45
#21394
25K
15.53 mi13:37:492:18:058:5321:32
8:53
#21043
30K
18.64 mi14:05:482:46:048:5527:59
9:00
#20409
20M
20.00 mi14:17:492:58:058:5412:01
8:51
#20103
21M
21.00 mi14:26:593:07:158:559:10
9:10
#19785
35K
21.75 mi14:33:163:13:328:546:17
8:24
#19637
23M
23.00 mi14:44:143:24:308:5310:58
8:46
#19360
24M
24.00 mi14:52:563:33:128:538:42
8:42
#19213
40K
24.85 mi15:00:293:40:458:537:33
8:50
#19058
25.2M
25.20 mi15:03:423:43:588:533:13
9:20
#18968
Finish
26.22 mi15:12:093:52:258:528:27
8:18
#18829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228789107910721355(Top 75%)8190(Top 67%)8190(Top 150%)
10K6.21 mi3.10 mi22157+7218700+4078700+40721258(Top 75%)8173(Top 67%)8173(Top 149%)
15K9.32 mi3.11 mi21880+2778532+1688532+16821355(Top 75%)8190(Top 67%)8190(Top 150%)
20K12.43 mi3.11 mi21441+4398282+2508282+25020223(Top 71%)7600(Top 62%)7600(Top 139%)
Half13.11 mi0.68 mi21394+478258+248258+2420646(Top 73%)7831(Top 64%)7831(Top 143%)
25K15.53 mi2.42 mi21043+3518063+1958063+19519351(Top 68%)7174(Top 59%)7174(Top 131%)
30K18.64 mi3.11 mi20409+6347766+2977766+29717746(Top 62%)6444(Top 53%)6444(Top 118%)
20M20.00 mi1.36 mi20103+3067607+1597607+15915940(Top 56%)5567(Top 46%)5567(Top 102%)
21M21.00 mi1.00 mi19785+3187449+1587449+15814481(Top 51%)4893(Top 40%)4893(Top 89%)
35K21.75 mi0.75 mi19637+1487382+677382+6714915(Top 53%)5204(Top 43%)5204(Top 95%)
23M23.00 mi1.25 mi19360+2777258+1247258+12414923(Top 53%)5303(Top 43%)5303(Top 97%)
24M24.00 mi1.00 mi19213+1477193+657193+6515796(Top 56%)5814(Top 48%)5814(Top 106%)
40K24.85 mi0.85 mi19058+1557125+687125+6815404(Top 54%)5761(Top 47%)5761(Top 105%)
25.2M25.20 mi0.35 mi18968+907091+347091+3413732(Top 48%)4912(Top 40%)4912(Top 90%)
Finish26.22 mi1.02 mi18829+1397032+597032+5914911(Top 52%)5439(Top 44%)5439(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21355

Females

8190

F18-39

8190

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21258

Females

8173

F18-39

8173

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21355

Females

8190

F18-39

8190

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

20223

Females

7600

F18-39

7600

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20646

Females

7831

F18-39

7831

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19351

Females

7174

F18-39

7174

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17746

Females

6444

F18-39

6444

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15940

Females

5567

F18-39

5567

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14481

Females

4893

F18-39

4893

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14915

Females

5204

F18-39

5204

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14923

Females

5303

F18-39

5303

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15796

Females

5814

F18-39

5814

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15404

Females

5761

F18-39

5761

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13732

Females

4912

F18-39

4912

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14911

Females

5439

F18-39

5439

Passing Analysis

Category:
Athletes Passed
4261
Passed By
212
Net Change
+4049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22878
5K → 10K76645+721#22878#22157
10K → 15K34972+277#22157#21880
15K → 20K46324+439#21880#21441
20K → Half6114+47#21441#21394
Half → 25K36413+351#21394#21043
25K → 30K6428+634#21043#20409
30K → 20M3082+306#20409#20103
20M → 21M3191+318#20103#19785
21M → 35K1502+148#19785#19637
35K → 23M2814+277#19637#19360
23M → 24M1558+147#19360#19213
24M → 40K1616+155#19213#19058
40K → 25.2M911+90#19058#18968
25.2M → Finish15112+139#18968#18829
TOTALS4261212+4049
📊

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