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BOSTON MARATHON 2025

Madison Marasco

Bib: 25986•F

MA

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
10:05/mi
31:21
↑ 97↓ 3451.5%
10K· 6.21 mi
10:14/mi
1:03:09
↑ 79↓ 1380.4%
15K· 9.32 mi
9:59/mi
1:34:11
↑ 67↓ 78
20K· 12.43 mi
10:07/mi
2:05:37
↑ 106↓ 860.1%
Half· 13.11 mi
9:57/mi
2:12:24
↑ 19↓ 370.5%
25K· 15.53 mi
10:39/mi
2:38:14
↑ 66↓ 880.2%
30K· 18.64 mi
10:39/mi
3:11:18
↑ 181↓ 1480.2%
20M
11:01/mi
3:26:16
↑ 64↓ 500.2%
21M
11:11/mi
3:37:27
↑ 106↓ 241.6%
35K· 21.75 mi
10:07/mi
3:45:01
↑ 17↓ 861.7%
23M
10:38/mi
3:58:20
↑ 23↓ 630.6%
24M
10:29/mi
4:08:49
↓ 821.3%
40K· 24.85 mi
10:39/mi
4:17:55
↓ 200.3%
25.2M
11:24/mi
4:21:51
↑ 13↓ 160.2%
Finish· 26.22 mi
9:44/mi
4:31:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:24
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:19:22
Pace10:38 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3331:2110:0531:21
10:05
-
10K
6.21 mi12:18:211:03:0910:1031:48
10:14
+0:09
15K
9.32 mi12:49:231:34:1110:0631:02
9:59
-0:15
20K
12.43 mi13:20:492:05:3710:0631:26
10:07
+0:08
Half
13.11 mi13:27:362:12:2410:066:47
9:57
-0:10
25K
15.53 mi13:53:262:38:1410:1125:50
10:39
+0:42
30K
18.64 mi14:26:303:11:1810:1633:04
10:39
0:00
20M
20.00 mi14:41:283:26:1610:1914:58
11:01
+0:22
21M
21.00 mi14:52:393:37:2710:2111:11
11:11
+0:10
35K
21.75 mi15:00:133:45:0110:217:34
10:07
-1:04
23M
23.00 mi15:13:323:58:2010:2213:19
10:38
+0:31
24M
24.00 mi15:24:014:08:4910:2210:29
10:29
-0:09
40K
24.85 mi15:33:074:17:5510:239:06
10:39
+0:10
25.2M
25.20 mi15:37:034:21:5110:233:56
11:24
+0:45
Finish
26.22 mi15:46:584:31:4610:229:55
9:44
-1:40

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

9:44 /mi

Average Pace

10:22 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:01:41

89% of race

Time at Steady Pace

30:05

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:22 /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 mi11:46:3331:2110:0531:21
10:05
#25804
10K
6.21 mi12:18:211:03:0910:1031:48
10:14
#25832
15K
9.32 mi12:49:231:34:1110:0631:02
9:59
#25548
20K
12.43 mi13:20:492:05:3710:0631:26
10:07
#25251
Half
13.11 mi13:27:362:12:2410:066:47
9:57
#25225
25K
15.53 mi13:53:262:38:1410:1125:50
10:39
#25094
30K
18.64 mi14:26:303:11:1810:1633:04
10:39
#24794
20M
20.00 mi14:41:283:26:1610:1914:58
11:01
#24713
21M
21.00 mi14:52:393:37:2710:2111:11
11:11
#24579
35K
21.75 mi15:00:133:45:0110:217:34
10:07
#24510
23M
23.00 mi15:13:323:58:2010:2213:19
10:38
#24407
24M
24.00 mi15:24:014:08:4910:2210:29
10:29
#24323
40K
24.85 mi15:33:074:17:5510:239:06
10:39
#24265
25.2M
25.20 mi15:37:034:21:5110:233:56
11:24
#24232
Finish
26.22 mi15:46:584:31:4610:229:55
9:44
#24168
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25804106411064124975(Top 88%)10202(Top 83%)10202(Top 187%)
10K6.21 mi3.10 mi25832-2810679-3810679-3825802(Top 91%)10687(Top 87%)10687(Top 195%)
15K9.32 mi3.11 mi25548+28410524+15510524+15524975(Top 88%)10202(Top 83%)10202(Top 187%)
20K12.43 mi3.11 mi25251+29710375+14910375+14924468(Top 86%)9968(Top 82%)9968(Top 182%)
Half13.11 mi0.68 mi25225+2610362+1310362+1324726(Top 87%)10123(Top 83%)10123(Top 185%)
25K15.53 mi2.42 mi25094+13110305+5710305+5724642(Top 87%)10097(Top 83%)10097(Top 185%)
30K18.64 mi3.11 mi24794+30010168+13710168+13723270(Top 82%)9478(Top 78%)9478(Top 173%)
20M20.00 mi1.36 mi24713+8110134+3410134+3423616(Top 83%)9748(Top 80%)9748(Top 178%)
21M21.00 mi1.00 mi24579+13410081+5310081+5321884(Top 77%)8914(Top 73%)8914(Top 163%)
35K21.75 mi0.75 mi24510+6910049+3210049+3222240(Top 78%)9162(Top 75%)9162(Top 168%)
23M23.00 mi1.25 mi24407+10310009+4010009+4022379(Top 79%)9275(Top 76%)9275(Top 170%)
24M24.00 mi1.00 mi24323+849971+389971+3822790(Top 80%)9537(Top 78%)9537(Top 174%)
40K24.85 mi0.85 mi24265+589957+149957+1422316(Top 79%)9370(Top 77%)9370(Top 171%)
25.2M25.20 mi0.35 mi24232+339951+69951+621853(Top 77%)9091(Top 74%)9091(Top 166%)
Finish26.22 mi1.02 mi24168+649926+259926+2522049(Top 78%)9186(Top 75%)9186(Top 168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24975

Females

10202

F18-39

10202

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25802

Females

10687

F18-39

10687

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24975

Females

10202

F18-39

10202

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24468

Females

9968

F18-39

9968

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24726

Females

10123

F18-39

10123

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24642

Females

10097

F18-39

10097

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23270

Females

9478

F18-39

9478

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23616

Females

9748

F18-39

9748

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21884

Females

8914

F18-39

8914

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22240

Females

9162

F18-39

9162

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22379

Females

9275

F18-39

9275

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22790

Females

9537

F18-39

9537

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22316

Females

9370

F18-39

9370

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21853

Females

9091

F18-39

9091

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22049

Females

9186

F18-39

9186

Passing Analysis

Category:
Athletes Passed
2052
Passed By
416
Net Change
+1636
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25804
5K → 10K194222-28#25804#25832
10K → 15K31127+284#25832#25548
15K → 20K31518+297#25548#25251
20K → Half326+26#25251#25225
Half → 25K16938+131#25225#25094
25K → 30K31919+300#25094#24794
30K → 20M10322+81#24794#24713
20M → 21M1406+134#24713#24579
21M → 35K756+69#24579#24510
35K → 23M11815+103#24510#24407
23M → 24M9713+84#24407#24323
24M → 40K7012+58#24323#24265
40K → 25.2M374+33#24265#24232
25.2M → Finish728+64#24232#24168
TOTALS2052416+1636
📊

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