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BOSTON MARATHON 2025

Alyson Leydig

Bib: 15596•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
24:11
Rank: #14689
Start → 5K
24:11 | 7:47/mi
10K· 6.21 mi
48:17
Rank: #14509 (+180)
5K → 10K
24:06 | 7:45/mi
15K· 9.32 mi
1:13:21
Rank: #15245 (-736)
10K → 15K
25:04 | 8:04/mi
20K· 12.43 mi
1:40:30
Rank: #16586 (-1341)
15K → 20K
27:09 | 8:44/mi
Half· 13.11 mi
1:46:28
Rank: #16831 (-245)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:09:00
Rank: #17611 (-780)
Half → 25K
22:32 | 9:18/mi
30K· 18.64 mi
2:41:42
Rank: #19201 (-1590)
25K → 30K
32:42 | 10:32/mi
20M
2:55:55
Rank: #19543 (-342)
30K → 20M
14:13 | 10:28/mi
21M
3:07:08
Rank: #19757 (-214)
20M → 21M
11:13 | 11:13/mi
35K· 21.75 mi
3:15:10
Rank: #19991 (-234)
21M → 35K
8:02 | 10:44/mi
23M
3:29:48
Rank: #20473 (-482)
35K → 23M
14:38 | 11:41/mi
24M
3:40:48
Rank: #20733 (-260)
23M → 24M
11:00 | 11:00/mi
40K· 24.85 mi
3:50:09
Rank: #20857 (-124)
24M → 40K
9:21 | 10:56/mi
25.2M
3:54:13
Rank: #20881 (-24)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
4:04:38
Rank: #20994 (-113)
25.2M → Finish
10:25 | 10:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:28
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time2:18:10
Pace10:32 /mi
📊Positive Split: 29.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1024:117:4724:11
7:47
-
10K
6.21 mi11:20:1648:177:4624:06
7:45
-0:02
15K
9.32 mi11:45:201:13:217:5225:04
8:04
+0:19
20K
12.43 mi12:12:291:40:308:0527:09
8:44
+0:40
Half
13.11 mi12:18:271:46:288:075:58
8:45
+0:01
25K
15.53 mi12:40:592:09:008:1822:32
9:18
+0:33
30K
18.64 mi13:13:412:41:428:4032:42
10:32
+1:14
20M
20.00 mi13:27:542:55:558:4814:13
10:28
-0:04
21M
21.00 mi13:39:073:07:088:5511:13
11:13
+0:45
35K
21.75 mi13:47:093:15:108:588:02
10:44
-0:29
23M
23.00 mi14:01:473:29:489:0714:38
11:41
+0:57
24M
24.00 mi14:12:473:40:489:1211:00
11:00
-0:41
40K
24.85 mi14:22:083:50:099:169:21
10:56
-0:04
25.2M
25.20 mi14:26:123:54:139:184:04
11:48
+0:52
Finish
26.22 mi14:36:374:04:389:2010:25
10:13
-1:35

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

7:45 /mi

Average Pace

9:20 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:00

53% of race

Time at Steady Pace

1:25:43

35% of race

Time at Slower Pace

29:55

12% of race

Average Pace: 9:20 /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 mi10:56:1024:117:4724:11
7:47
#14689
10K
6.21 mi11:20:1648:177:4624:06
7:45
#14509
15K
9.32 mi11:45:201:13:217:5225:04
8:04
#15245
20K
12.43 mi12:12:291:40:308:0527:09
8:44
#16586
Half
13.11 mi12:18:271:46:288:075:58
8:45
#16831
25K
15.53 mi12:40:592:09:008:1822:32
9:18
#17611
30K
18.64 mi13:13:412:41:428:4032:42
10:32
#19201
20M
20.00 mi13:27:542:55:558:4814:13
10:28
#19543
21M
21.00 mi13:39:073:07:088:5511:13
11:13
#19757
35K
21.75 mi13:47:093:15:108:588:02
10:44
#19991
23M
23.00 mi14:01:473:29:489:0714:38
11:41
#20473
24M
24.00 mi14:12:473:40:489:1211:00
11:00
#20733
40K
24.85 mi14:22:083:50:099:169:21
10:56
#20857
25.2M
25.20 mi14:26:123:54:139:184:04
11:48
#20881
Finish
26.22 mi14:36:374:04:389:2010:25
10:13
#20994
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146894345434516553(Top 58%)5475(Top 45%)5475(Top 100%)
10K6.21 mi3.10 mi14509+1804242+1034242+10314436(Top 51%)4218(Top 34%)4218(Top 77%)
15K9.32 mi3.11 mi15245-7364706-4644706-46416553(Top 58%)5475(Top 45%)5475(Top 100%)
20K12.43 mi3.11 mi16586-13415492-7865492-78619633(Top 69%)7286(Top 60%)7286(Top 133%)
Half13.11 mi0.68 mi16831-2455627-1355627-13520688(Top 73%)7873(Top 64%)7873(Top 144%)
25K15.53 mi2.42 mi17611-7806122-4956122-49521158(Top 74%)8183(Top 67%)8183(Top 150%)
30K18.64 mi3.11 mi19201-15907076-9547076-95422990(Top 81%)9315(Top 76%)9315(Top 170%)
20M20.00 mi1.36 mi19543-3427286-2107286-21022314(Top 79%)9064(Top 74%)9064(Top 166%)
21M21.00 mi1.00 mi19757-2147433-1477433-14721958(Top 77%)8944(Top 73%)8944(Top 164%)
35K21.75 mi0.75 mi19991-2347585-1527585-15223672(Top 83%)9882(Top 81%)9882(Top 181%)
23M23.00 mi1.25 mi20473-4827873-2887873-28824584(Top 87%)10387(Top 85%)10387(Top 190%)
24M24.00 mi1.00 mi20733-2608031-1588031-15823988(Top 84%)10106(Top 83%)10106(Top 185%)
40K24.85 mi0.85 mi20857-1248119-888119-8823002(Top 81%)9699(Top 79%)9699(Top 177%)
25.2M25.20 mi0.35 mi20881-248144-258144-2522783(Top 80%)9551(Top 78%)9551(Top 175%)
Finish26.22 mi1.02 mi20994-1138221-778221-7723594(Top 83%)9968(Top 82%)9968(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16553

Females

5475

F18-39

5475

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14436

Females

4218

F18-39

4218

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16553

Females

5475

F18-39

5475

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19633

Females

7286

F18-39

7286

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20688

Females

7873

F18-39

7873

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21158

Females

8183

F18-39

8183

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

22990

Females

9315

F18-39

9315

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22314

Females

9064

F18-39

9064

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21958

Females

8944

F18-39

8944

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23672

Females

9882

F18-39

9882

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24584

Females

10387

F18-39

10387

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23988

Females

10106

F18-39

10106

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23002

Females

9699

F18-39

9699

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22783

Females

9551

F18-39

9551

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23594

Females

9968

F18-39

9968

Passing Analysis

Category:
Athletes Passed
744
Passed By
7049
Net Change
-6305
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14689
5K → 10K387207+180#14689#14509
10K → 15K55791-736#14509#15245
15K → 20K331374-1341#15245#16586
20K → Half8253-245#16586#16831
Half → 25K41821-780#16831#17611
25K → 30K251615-1590#17611#19201
30K → 20M37379-342#19201#19543
20M → 21M47261-214#19543#19757
21M → 35K19253-234#19757#19991
35K → 23M17499-482#19991#20473
23M → 24M13273-260#20473#20733
24M → 40K25149-124#20733#20857
40K → 25.2M1943-24#20857#20881
25.2M → Finish18131-113#20881#20994
TOTALS7447049-6305
📊

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