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BOSTON MARATHON 2025

Jay Ell Alexander

Bib: 29014•F

VA

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
33:17
Rank: #27138
Start → 5K
33:17 | 10:43/mi
10K· 6.21 mi
1:06:56
Rank: #26974 (+164)
5K → 10K
33:39 | 10:50/mi
15K· 9.32 mi
1:41:33
Rank: #26937 (+37)
10K → 15K
34:37 | 11:09/mi
20K· 12.43 mi
2:20:20
Rank: #27147 (-210)
15K → 20K
38:47 | 12:29/mi
Half· 13.11 mi
2:28:13
Rank: #27144 (+3)
20K → Half
7:53 | 11:33/mi
25K· 15.53 mi
3:00:42
Rank: #27239 (-95)
Half → 25K
32:29 | 13:24/mi
30K· 18.64 mi
3:46:24
Rank: #27439 (-200)
25K → 30K
45:42 | 14:43/mi
20M
4:05:28
Rank: #27436 (+3)
30K → 20M
19:04 | 14:02/mi
21M
4:20:49
Rank: #27442 (-6)
20M → 21M
15:21 | 15:21/mi
35K· 21.75 mi
4:30:58
Rank: #27459 (-17)
21M → 35K
10:09 | 13:34/mi
23M
4:48:10
Rank: #27462 (-3)
35K → 23M
17:12 | 13:44/mi
24M
5:01:26
Rank: #27458 (+4)
23M → 24M
13:16 | 13:16/mi
40K· 24.85 mi
5:13:03
Rank: #27452 (+6)
24M → 40K
11:37 | 13:35/mi
25.2M
5:18:26
Rank: #27460 (-8)
40K → 25.2M
5:23 | 15:37/mi
Finish· 26.22 mi
5:31:00
Rank: #27452 (+8)
25.2M → Finish
12:34 | 12:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:13
Pace11:18 /mi
2nd Half
Distance13.11 mi
Time3:02:47
Pace13:57 /mi
📊Positive Split: 23.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2233:1710:4333:17
10:43
-
10K
6.21 mi12:26:011:06:5610:4633:39
10:50
+0:07
15K
9.32 mi13:00:381:41:3310:5434:37
11:09
+0:19
20K
12.43 mi13:39:252:20:2011:1838:47
12:29
+1:20
Half
13.11 mi13:47:182:28:1311:187:53
11:33
-0:56
25K
15.53 mi14:19:473:00:4211:3832:29
13:24
+1:51
30K
18.64 mi15:05:293:46:2412:0945:42
14:43
+1:19
20M
20.00 mi15:24:334:05:2812:1619:04
14:02
-0:41
21M
21.00 mi15:39:544:20:4912:2515:21
15:21
+1:19
35K
21.75 mi15:50:034:30:5812:2810:09
13:34
-1:47
23M
23.00 mi16:07:154:48:1012:3217:12
13:44
+0:10
24M
24.00 mi16:20:315:01:2612:3413:16
13:16
-0:28
40K
24.85 mi16:32:085:13:0312:3611:37
13:35
+0:19
25.2M
25.20 mi16:37:315:18:2612:385:23
15:37
+2:02
Finish
26.22 mi16:50:055:31:0012:3812:34
12:20
-3:17

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

10:43 /mi

Average Pace

12:38 /mi

Slowest Pace

15:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:47

49% of race

Time at Steady Pace

1:43:47

31% of race

Time at Slower Pace

1:06:26

20% of race

Average Pace: 12:37 /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 mi11:52:2233:1710:4333:17
10:43
#27138
10K
6.21 mi12:26:011:06:5610:4633:39
10:50
#26974
15K
9.32 mi13:00:381:41:3310:5434:37
11:09
#26937
20K
12.43 mi13:39:252:20:2011:1838:47
12:29
#27147
Half
13.11 mi13:47:182:28:1311:187:53
11:33
#27144
25K
15.53 mi14:19:473:00:4211:3832:29
13:24
#27239
30K
18.64 mi15:05:293:46:2412:0945:42
14:43
#27439
20M
20.00 mi15:24:334:05:2812:1619:04
14:02
#27436
21M
21.00 mi15:39:544:20:4912:2515:21
15:21
#27442
35K
21.75 mi15:50:034:30:5812:2810:09
13:34
#27459
23M
23.00 mi16:07:154:48:1012:3217:12
13:44
#27462
24M
24.00 mi16:20:315:01:2612:3413:16
13:16
#27458
40K
24.85 mi16:32:085:13:0312:3611:37
13:35
#27452
25.2M
25.20 mi16:37:315:18:2612:385:23
15:37
#27460
Finish
26.22 mi16:50:055:31:0012:3812:34
12:20
#27452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27138114111141126860(Top 95%)11292(Top 92%)11292(Top 206%)
10K6.21 mi3.10 mi26974+16411329+8211329+8226825(Top 94%)11257(Top 92%)11257(Top 206%)
15K9.32 mi3.11 mi26937+3711318+1111318+1126860(Top 95%)11292(Top 92%)11292(Top 206%)
20K12.43 mi3.11 mi27147-21011450-13211450-13227504(Top 97%)11702(Top 96%)11702(Top 214%)
Half13.11 mi0.68 mi27144+311454-411454-427101(Top 95%)11474(Top 94%)11474(Top 210%)
25K15.53 mi2.42 mi27239-9511524-7011524-7027563(Top 97%)11751(Top 96%)11751(Top 215%)
30K18.64 mi3.11 mi27439-20011664-14011664-14027900(Top 98%)11998(Top 98%)11998(Top 219%)
20M20.00 mi1.36 mi27436+311668-411668-427313(Top 96%)11716(Top 96%)11716(Top 214%)
21M21.00 mi1.00 mi27442-611673-511673-527410(Top 97%)11778(Top 96%)11778(Top 215%)
35K21.75 mi0.75 mi27459-1711690-1711690-1727405(Top 96%)11795(Top 96%)11795(Top 216%)
23M23.00 mi1.25 mi27462-311698-811698-827102(Top 95%)11659(Top 95%)11659(Top 213%)
24M24.00 mi1.00 mi27458+411701-311701-327110(Top 95%)11701(Top 96%)11701(Top 214%)
40K24.85 mi0.85 mi27452+611699+211699+226832(Top 94%)11565(Top 95%)11565(Top 211%)
25.2M25.20 mi0.35 mi27460-811701-211701-227511(Top 97%)11894(Top 97%)11894(Top 217%)
Finish26.22 mi1.02 mi27452+811703-211703-227138(Top 96%)11689(Top 96%)11689(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

26860

Females

11292

F18-39

11292

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26825

Females

11257

F18-39

11257

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

26860

Females

11292

F18-39

11292

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27504

Females

11702

F18-39

11702

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

27101

Females

11474

F18-39

11474

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

27563

Females

11751

F18-39

11751

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

27900

Females

11998

F18-39

11998

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

27313

Females

11716

F18-39

11716

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27410

Females

11778

F18-39

11778

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27405

Females

11795

F18-39

11795

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

27102

Females

11659

F18-39

11659

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

27110

Females

11701

F18-39

11701

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26832

Females

11565

F18-39

11565

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27511

Females

11894

F18-39

11894

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

27138

Females

11689

F18-39

11689

Passing Analysis

Category:
Athletes Passed
663
Passed By
977
Net Change
-314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27138
5K → 10K23672+164#27138#26974
10K → 15K13497+37#26974#26937
15K → 20K42252-210#26937#27147
20K → Half2118+3#27147#27144
Half → 25K49144-95#27144#27239
25K → 30K25225-200#27239#27439
30K → 20M3330+3#27439#27436
20M → 21M2127-6#27436#27442
21M → 35K724-17#27442#27459
35K → 23M2326-3#27459#27462
23M → 24M2420+4#27462#27458
24M → 40K2519+6#27458#27452
40K → 25.2M513-8#27452#27460
25.2M → Finish1810+8#27460#27452
TOTALS663977-314
📊

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