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BOSTON MARATHON 2025

Lauren Perschetz

Bib: 7904•F

NY

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
22:10
Rank: #8943
Start → 5K
22:10 | 7:08/mi
10K· 6.21 mi
44:53
Rank: #9666 (-723)
5K → 10K
22:43 | 7:19/mi
15K· 9.32 mi
1:07:43
Rank: #9905 (-239)
10K → 15K
22:50 | 7:21/mi
20K· 12.43 mi
1:30:24
Rank: #9645 (+260)
15K → 20K
22:41 | 7:18/mi
Half· 13.11 mi
1:35:20
Rank: #9618 (+27)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:53:23
Rank: #9562 (+56)
Half → 25K
18:03 | 7:27/mi
30K· 18.64 mi
2:17:40
Rank: #9583 (-21)
25K → 30K
24:17 | 7:49/mi
20M
2:28:28
Rank: #9582 (+1)
30K → 20M
10:48 | 7:57/mi
21M
2:36:59
Rank: #9602 (-20)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:42:55
Rank: #9667 (-65)
21M → 35K
5:56 | 7:56/mi
23M
2:53:33
Rank: #9908 (-241)
35K → 23M
10:38 | 8:30/mi
24M
3:03:08
Rank: #10482 (-574)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
3:11:56
Rank: #11043 (-561)
24M → 40K
8:48 | 10:18/mi
25.2M
3:15:01
Rank: #11024 (+19)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:24:07
Rank: #11377 (-353)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:20
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:48:47
Pace8:18 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:1322:107:0822:10
7:08
-
10K
6.21 mi10:52:5644:537:1322:43
7:19
+0:11
15K
9.32 mi11:15:461:07:437:1622:50
7:21
+0:02
20K
12.43 mi11:38:271:30:247:1622:41
7:18
-0:03
Half
13.11 mi11:43:231:35:207:164:56
7:14
-0:04
25K
15.53 mi12:01:261:53:237:1818:03
7:27
+0:13
30K
18.64 mi12:25:432:17:407:2324:17
7:49
+0:22
20M
20.00 mi12:36:312:28:287:2510:48
7:57
+0:08
21M
21.00 mi12:45:022:36:597:298:31
8:31
+0:34
35K
21.75 mi12:50:582:42:557:295:56
7:56
-0:35
23M
23.00 mi13:01:362:53:337:3310:38
8:30
+0:34
24M
24.00 mi13:11:113:03:087:389:35
9:35
+1:05
40K
24.85 mi13:19:593:11:567:438:48
10:18
+0:43
25.2M
25.20 mi13:23:043:15:017:443:05
8:56
-1:22
Finish
26.22 mi13:32:103:24:077:479:06
8:56
0:00

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

7:08 /mi

Average Pace

7:47 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:23

56% of race

Time at Steady Pace

41:01

20% of race

Time at Slower Pace

49:43

24% 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 mi10:30:1322:107:0822:10
7:08
#8943
10K
6.21 mi10:52:5644:537:1322:43
7:19
#9666
15K
9.32 mi11:15:461:07:437:1622:50
7:21
#9905
20K
12.43 mi11:38:271:30:247:1622:41
7:18
#9645
Half
13.11 mi11:43:231:35:207:164:56
7:14
#9618
25K
15.53 mi12:01:261:53:237:1818:03
7:27
#9562
30K
18.64 mi12:25:432:17:407:2324:17
7:49
#9583
20M
20.00 mi12:36:312:28:287:2510:48
7:57
#9582
21M
21.00 mi12:45:022:36:597:298:31
8:31
#9602
35K
21.75 mi12:50:582:42:557:295:56
7:56
#9667
23M
23.00 mi13:01:362:53:337:3310:38
8:30
#9908
24M
24.00 mi13:11:113:03:087:389:35
9:35
#10482
40K
24.85 mi13:19:593:11:567:438:48
10:18
#11043
25.2M
25.20 mi13:23:043:15:017:443:05
8:56
#11024
Finish
26.22 mi13:32:103:24:077:479:06
8:56
#11377
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi89431352135210422(Top 37%)2084(Top 17%)2084(Top 38%)
10K6.21 mi3.10 mi9666-7231651-2991651-29910461(Top 37%)2044(Top 17%)2044(Top 37%)
15K9.32 mi3.11 mi9905-2391800-1491800-14910422(Top 37%)2084(Top 17%)2084(Top 38%)
20K12.43 mi3.11 mi9645+2601708+921708+929071(Top 32%)1558(Top 13%)1558(Top 28%)
Half13.11 mi0.68 mi9618+271702+61702+69483(Top 33%)1726(Top 14%)1726(Top 32%)
25K15.53 mi2.42 mi9562+561707-51707-59530(Top 34%)1897(Top 16%)1897(Top 35%)
30K18.64 mi3.11 mi9583-211771-641771-6410088(Top 36%)2329(Top 19%)2329(Top 43%)
20M20.00 mi1.36 mi9582+11807-361807-3610119(Top 36%)2494(Top 20%)2494(Top 46%)
21M21.00 mi1.00 mi9602-201840-331840-3310602(Top 37%)2905(Top 24%)2905(Top 53%)
35K21.75 mi0.75 mi9667-651889-491889-4911797(Top 42%)3536(Top 29%)3536(Top 65%)
23M23.00 mi1.25 mi9908-2412069-1802069-18013271(Top 47%)4409(Top 36%)4409(Top 81%)
24M24.00 mi1.00 mi10482-5742378-3092378-30919925(Top 70%)8036(Top 66%)8036(Top 147%)
40K24.85 mi0.85 mi11043-5612716-3382716-33821354(Top 75%)8846(Top 72%)8846(Top 162%)
25.2M25.20 mi0.35 mi11024+192724-82724-811507(Top 41%)3744(Top 31%)3744(Top 68%)
Finish26.22 mi1.02 mi11377-3532944-2202944-22018675(Top 66%)7410(Top 61%)7410(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10422

Females

2084

F18-39

2084

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10461

Females

2044

F18-39

2044

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10422

Females

2084

F18-39

2084

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9071

Females

1558

F18-39

1558

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9483

Females

1726

F18-39

1726

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9530

Females

1897

F18-39

1897

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10088

Females

2329

F18-39

2329

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10119

Females

2494

F18-39

2494

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10602

Females

2905

F18-39

2905

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11797

Females

3536

F18-39

3536

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13271

Females

4409

F18-39

4409

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19925

Females

8036

F18-39

8036

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21354

Females

8846

F18-39

8846

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11507

Females

3744

F18-39

3744

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18675

Females

7410

F18-39

7410

Passing Analysis

Category:
Athletes Passed
1286
Passed By
3715
Net Change
-2434
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8943
5K → 10K55777-723#8943#9666
10K → 15K96334-239#9666#9905
15K → 20K31656+260#9905#9645
20K → Half4922+27#9645#9618
Half → 25K178122+56#9618#9562
25K → 30K221242-21#9562#9583
30K → 20M105104+1#9583#9582
20M → 21M85105-20#9582#9602
21M → 35K46111-65#9602#9667
35K → 23M52292-241#9667#9908
23M → 24M16588-574#9908#10482
24M → 40K6567-561#10482#11043
40K → 25.2M4526+19#11043#11024
25.2M → Finish16369-353#11024#11377
TOTALS12863715-2434
📊

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