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BOSTON MARATHON 2025

Madelyn Grube

Bib: 28066•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

Start
0:00:00
Race begins
5K· 3.11 mi
27:47
Rank: #22192
Start → 5K
27:47 | 8:57/mi
10K· 6.21 mi
56:33
Rank: #22820 (-628)
5K → 10K
28:46 | 9:16/mi
15K· 9.32 mi
1:28:14
Rank: #23951 (-1131)
10K → 15K
31:41 | 10:12/mi
20K· 12.43 mi
2:01:36
Rank: #24507 (-556)
15K → 20K
33:22 | 10:44/mi
Half· 13.11 mi
2:08:40
Rank: #24565 (-58)
20K → Half
7:04 | 10:21/mi
25K· 15.53 mi
2:36:20
Rank: #24855 (-290)
Half → 25K
27:40 | 11:25/mi
30K· 18.64 mi
3:11:45
Rank: #24840 (+15)
25K → 30K
35:25 | 11:24/mi
20M
3:26:35
Rank: #24741 (+99)
30K → 20M
14:50 | 10:55/mi
21M
3:38:29
Rank: #24674 (+67)
20M → 21M
11:54 | 11:54/mi
35K· 21.75 mi
3:46:02
Rank: #24610 (+64)
21M → 35K
7:33 | 10:06/mi
23M
4:00:00
Rank: #24560 (+50)
35K → 23M
13:58 | 11:09/mi
24M
4:10:30
Rank: #24507 (+53)
23M → 24M
10:30 | 10:30/mi
40K· 24.85 mi
4:19:43
Rank: #24437 (+70)
24M → 40K
9:13 | 10:47/mi
25.2M
4:24:01
Rank: #24438 (-1)
40K → 25.2M
4:18 | 12:28/mi
Finish· 26.22 mi
4:34:30
Rank: #24412 (+26)
25.2M → Finish
10:29 | 10:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:40
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:25:50
Pace11:07 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:2627:478:5727:47
8:57
-
10K
6.21 mi12:13:1256:339:0628:46
9:16
+0:19
15K
9.32 mi12:44:531:28:149:2831:41
10:12
+0:56
20K
12.43 mi13:18:152:01:369:4733:22
10:44
+0:32
Half
13.11 mi13:25:192:08:409:497:04
10:21
-0:23
25K
15.53 mi13:52:592:36:2010:0427:40
11:25
+1:04
30K
18.64 mi14:28:243:11:4510:1735:25
11:24
-0:01
20M
20.00 mi14:43:143:26:3510:2014:50
10:55
-0:29
21M
21.00 mi14:55:083:38:2910:2411:54
11:54
+0:59
35K
21.75 mi15:02:413:46:0210:247:33
10:06
-1:48
23M
23.00 mi15:16:394:00:0010:2613:58
11:09
+1:03
24M
24.00 mi15:27:094:10:3010:2610:30
10:30
-0:39
40K
24.85 mi15:36:224:19:4310:279:13
10:47
+0:17
25.2M
25.20 mi15:40:404:24:0110:294:18
12:28
+1:41
Finish
26.22 mi15:51:094:34:3010:2910:29
10:17
-2:11

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

8:57 /mi

Average Pace

10:29 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:16

39% of race

Time at Steady Pace

1:28:57

32% of race

Time at Slower Pace

1:19:17

29% of race

Average Pace: 10:28 /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 mi11:44:2627:478:5727:47
8:57
#22192
10K
6.21 mi12:13:1256:339:0628:46
9:16
#22820
15K
9.32 mi12:44:531:28:149:2831:41
10:12
#23951
20K
12.43 mi13:18:152:01:369:4733:22
10:44
#24507
Half
13.11 mi13:25:192:08:409:497:04
10:21
#24565
25K
15.53 mi13:52:592:36:2010:0427:40
11:25
#24855
30K
18.64 mi14:28:243:11:4510:1735:25
11:24
#24840
20M
20.00 mi14:43:143:26:3510:2014:50
10:55
#24741
21M
21.00 mi14:55:083:38:2910:2411:54
11:54
#24674
35K
21.75 mi15:02:413:46:0210:247:33
10:06
#24610
23M
23.00 mi15:16:394:00:0010:2613:58
11:09
#24560
24M
24.00 mi15:27:094:10:3010:2610:30
10:30
#24507
40K
24.85 mi15:36:224:19:4310:279:13
10:47
#24437
25.2M
25.20 mi15:40:404:24:0110:294:18
12:28
#24438
Finish
26.22 mi15:51:094:34:3010:2910:29
10:17
#24412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi221928736873625410(Top 89%)10459(Top 86%)10459(Top 191%)
10K6.21 mi3.10 mi22820-6289059-3239059-32323400(Top 82%)9357(Top 77%)9357(Top 171%)
15K9.32 mi3.11 mi23951-11319649-5909649-59025410(Top 89%)10459(Top 86%)10459(Top 191%)
20K12.43 mi3.11 mi24507-5569981-3329981-33225609(Top 90%)10593(Top 87%)10593(Top 194%)
Half13.11 mi0.68 mi24565-5810008-2710008-2725570(Top 90%)10580(Top 87%)10580(Top 193%)
25K15.53 mi2.42 mi24855-29010178-17010178-17025754(Top 91%)10725(Top 88%)10725(Top 196%)
30K18.64 mi3.11 mi24840+1510190-1210190-1224702(Top 87%)10239(Top 84%)10239(Top 187%)
20M20.00 mi1.36 mi24741+9910151+3910151+3923437(Top 83%)9648(Top 79%)9648(Top 176%)
21M21.00 mi1.00 mi24674+6710128+2310128+2323423(Top 82%)9730(Top 80%)9730(Top 178%)
35K21.75 mi0.75 mi24610+6410100+2810100+2822187(Top 78%)9138(Top 75%)9138(Top 167%)
23M23.00 mi1.25 mi24560+5010094+610094+623578(Top 83%)9892(Top 81%)9892(Top 181%)
24M24.00 mi1.00 mi24507+5310074+2010074+2022839(Top 80%)9566(Top 78%)9566(Top 175%)
40K24.85 mi0.85 mi24437+7010039+3510039+3522655(Top 80%)9532(Top 78%)9532(Top 174%)
25.2M25.20 mi0.35 mi24438-110046-710046-724161(Top 85%)10253(Top 84%)10253(Top 187%)
Finish26.22 mi1.02 mi24412+2610056-1010056-1023773(Top 84%)10058(Top 82%)10058(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25410

Females

10459

F18-39

10459

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23400

Females

9357

F18-39

9357

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25410

Females

10459

F18-39

10459

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25609

Females

10593

F18-39

10593

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25570

Females

10580

F18-39

10580

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25754

Females

10725

F18-39

10725

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24702

Females

10239

F18-39

10239

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23437

Females

9648

F18-39

9648

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23423

Females

9730

F18-39

9730

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22187

Females

9138

F18-39

9138

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23578

Females

9892

F18-39

9892

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22839

Females

9566

F18-39

9566

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22655

Females

9532

F18-39

9532

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24161

Females

10253

F18-39

10253

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23773

Females

10058

F18-39

10058

Passing Analysis

Category:
Athletes Passed
875
Passed By
3095
Net Change
-2220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22192
5K → 10K77705-628#22192#22820
10K → 15K211152-1131#22820#23951
15K → 20K29585-556#23951#24507
20K → Half1169-58#24507#24565
Half → 25K34324-290#24565#24855
25K → 30K141126+15#24855#24840
30K → 20M11213+99#24840#24741
20M → 21M8922+67#24741#24674
21M → 35K706+64#24674#24610
35K → 23M7929+50#24610#24560
23M → 24M7118+53#24560#24507
24M → 40K744+70#24507#24437
40K → 25.2M1718-1#24437#24438
25.2M → Finish5024+26#24438#24412
TOTALS8753095-2220
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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