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BOSTON MARATHON 2025

Jamie Madrosen

Bib: 12803•F

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:48
Rank: #7975
Start → 5K
7:01/mi
21:48 split
10K· 6.21 mi
43:54
Rank: #8397 (-422)
5K → 10K
7:07/mi
22:06 split
15K· 9.32 mi
1:06:55
Rank: #9163 (-766)
10K → 15K
7:25/mi
23:01 split
20K· 12.43 mi
1:30:49
Rank: #9952 (-789)
15K → 20K
7:42/mi
23:54 split
Half· 13.11 mi
1:36:03
Rank: #10116 (-164)
20K → Half
7:40/mi
5:14 split
25K· 15.53 mi
1:55:31
Rank: #10770 (-654)
Half → 25K
8:02/mi
19:28 split
30K· 18.64 mi
2:22:02
Rank: #11591 (-821)
25K → 30K
8:32/mi
26:31 split
20M
2:33:23
Rank: #11629 (-38)
30K → 20M
8:21/mi
11:21 split
21M
2:41:48
Rank: #11507 (+122)
20M → 21M
8:25/mi
8:25 split
35K· 21.75 mi
2:47:37
Rank: #11463 (+44)
21M → 35K
7:46/mi
5:49 split
23M
2:57:50
Rank: #11411 (+52)
35K → 23M
8:10/mi
10:13 split
24M
3:05:58
Rank: #11406 (+5)
23M → 24M
8:08/mi
8:08 split
40K· 24.85 mi
3:13:06
Rank: #11430 (-24)
24M → 40K
8:21/mi
7:08 split
25.2M
3:16:08
Rank: #11385 (+45)
40K → 25.2M
8:48/mi
3:02 split
Finish· 26.22 mi
3:24:11
Rank: #11402 (-17)
25.2M → Finish
7:54/mi
8:03 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:03
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:48:08
Pace8:15 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2121:487:0121:48
7:01
-
10K
6.21 mi11:11:2743:547:0422:06
7:07
+0:06
15K
9.32 mi11:34:281:06:557:1123:01
7:25
+0:18
20K
12.43 mi11:58:221:30:497:1823:54
7:42
+0:17
Half
13.11 mi12:03:361:36:037:205:14
7:40
-0:02
25K
15.53 mi12:23:041:55:317:2619:28
8:02
+0:22
30K
18.64 mi12:49:352:22:027:3726:31
8:32
+0:30
20M
20.00 mi13:00:562:33:237:4011:21
8:21
-0:11
21M
21.00 mi13:09:212:41:487:428:25
8:25
+0:04
35K
21.75 mi13:15:102:47:377:425:49
7:46
-0:39
23M
23.00 mi13:25:232:57:507:4410:13
8:10
+0:24
24M
24.00 mi13:33:313:05:587:458:08
8:08
-0:02
40K
24.85 mi13:40:393:13:067:467:08
8:21
+0:13
25.2M
25.20 mi13:43:413:16:087:473:02
8:48
+0:27
Finish
26.22 mi13:51:443:24:117:488:03
7:54
-0:54

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

7:01 /mi

Average Pace

7:48 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:52

50% of race

Time at Steady Pace

45:52

22% of race

Time at Slower Pace

56:27

28% of race

Average Pace: 7:47 /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 mi10:49:2121:487:0121:48
7:01
#7975
10K
6.21 mi11:11:2743:547:0422:06
7:07
#8397
15K
9.32 mi11:34:281:06:557:1123:01
7:25
#9163
20K
12.43 mi11:58:221:30:497:1823:54
7:42
#9952
Half
13.11 mi12:03:361:36:037:205:14
7:40
#10116
25K
15.53 mi12:23:041:55:317:2619:28
8:02
#10770
30K
18.64 mi12:49:352:22:027:3726:31
8:32
#11591
20M
20.00 mi13:00:562:33:237:4011:21
8:21
#11629
21M
21.00 mi13:09:212:41:487:428:25
8:25
#11507
35K
21.75 mi13:15:102:47:377:425:49
7:46
#11463
23M
23.00 mi13:25:232:57:507:4410:13
8:10
#11411
24M
24.00 mi13:33:313:05:587:458:08
8:08
#11406
40K
24.85 mi13:40:393:13:067:467:08
8:21
#11430
25.2M
25.20 mi13:43:413:16:087:473:02
8:48
#11385
Finish
26.22 mi13:51:443:24:117:488:03
7:54
#11402
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi797597697610967(Top 39%)2361(Top 19%)2361(Top 43%)
10K6.21 mi3.10 mi8397-4221144-1681144-1688803(Top 31%)1309(Top 11%)1309(Top 24%)
15K9.32 mi3.11 mi9163-7661462-3181462-31810967(Top 39%)2361(Top 19%)2361(Top 43%)
20K12.43 mi3.11 mi9952-7891840-3781840-37812352(Top 43%)3194(Top 26%)3194(Top 58%)
Half13.11 mi0.68 mi10116-1641923-831923-8313181(Top 46%)3581(Top 29%)3581(Top 65%)
25K15.53 mi2.42 mi10770-6542271-3482271-34814121(Top 50%)4255(Top 35%)4255(Top 78%)
30K18.64 mi3.11 mi11591-8212779-5082779-50814977(Top 53%)4889(Top 40%)4889(Top 89%)
20M20.00 mi1.36 mi11629-382839-602839-6012847(Top 45%)3876(Top 32%)3876(Top 71%)
21M21.00 mi1.00 mi11507+1222818+212818+219981(Top 35%)2604(Top 21%)2604(Top 48%)
35K21.75 mi0.75 mi11463+442819-12819-110666(Top 38%)2937(Top 24%)2937(Top 54%)
23M23.00 mi1.25 mi11411+522839-202839-2011135(Top 39%)3292(Top 27%)3292(Top 60%)
24M24.00 mi1.00 mi11406+52862-232862-2312150(Top 43%)3866(Top 32%)3866(Top 71%)
40K24.85 mi0.85 mi11430-242922-602922-6012439(Top 44%)4148(Top 34%)4148(Top 76%)
25.2M25.20 mi0.35 mi11385+452917+52917+510663(Top 38%)3319(Top 27%)3319(Top 61%)
Finish26.22 mi1.02 mi11402-172955-382955-3812182(Top 43%)4019(Top 33%)4019(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10967

Females

2361

F18-39

2361

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8803

Females

1309

F18-39

1309

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10967

Females

2361

F18-39

2361

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12352

Females

3194

F18-39

3194

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13181

Females

3581

F18-39

3581

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14121

Females

4255

F18-39

4255

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14977

Females

4889

F18-39

4889

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12847

Females

3876

F18-39

3876

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9981

Females

2604

F18-39

2604

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10666

Females

2937

F18-39

2937

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11135

Females

3292

F18-39

3292

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12150

Females

3866

F18-39

3866

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12439

Females

4148

F18-39

4148

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10663

Females

3319

F18-39

3319

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12182

Females

4019

F18-39

4019

Passing Analysis

Category:
Athletes Passed
1066
Passed By
4490
Net Change
-3427
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7975
5K → 10K75497-422#7975#8397
10K → 15K31797-766#8397#9163
15K → 20K49837-789#9163#9952
20K → Half3165-164#9952#10116
Half → 25K51705-654#10116#10770
25K → 30K75896-821#10770#11591
30K → 20M109147-38#11591#11629
20M → 21M16846+122#11629#11507
21M → 35K7733+44#11507#11463
35K → 23M13381+52#11463#11411
23M → 24M8782+5#11411#11406
24M → 40K7397-24#11406#11430
40K → 25.2M5914+45#11430#11385
25.2M → Finish7693-17#11385#11402
TOTALS10664490-3427
📊

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