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BOSTON MARATHON 2025

Leah Przybyszewski

Bib: 32266•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
33:53
Rank: #27449
Start → 5K
33:53 | 10:54/mi
10K· 6.21 mi
1:07:53
Rank: #27227 (+222)
5K → 10K
34:00 | 10:57/mi
15K· 9.32 mi
1:42:29
Rank: #27063 (+164)
10K → 15K
34:36 | 11:08/mi
20K· 12.43 mi
2:22:26
Rank: #27344 (-281)
15K → 20K
39:57 | 12:52/mi
Half· 13.11 mi
2:30:08
Rank: #27310 (+34)
20K → Half
7:42 | 11:17/mi
25K· 15.53 mi
3:03:08
Rank: #27405 (-95)
Half → 25K
33:00 | 13:37/mi
30K· 18.64 mi
3:45:29
Rank: #27391 (+14)
25K → 30K
42:21 | 13:38/mi
20M
4:05:18
Rank: #27427 (-36)
30K → 20M
19:49 | 14:35/mi
21M
4:19:36
Rank: #27397 (+30)
20M → 21M
14:18 | 14:18/mi
35K· 21.75 mi
4:29:27
Rank: #27397
21M → 35K
9:51 | 13:10/mi
23M
4:48:04
Rank: #27458 (-61)
35K → 23M
18:37 | 14:52/mi
24M
5:02:15
Rank: #27491 (-33)
23M → 24M
14:11 | 14:11/mi
40K· 24.85 mi
5:17:02
Rank: #27574 (-83)
24M → 40K
14:47 | 17:17/mi
25.2M
5:22:07
Rank: #27570 (+4)
40K → 25.2M
5:05 | 14:44/mi
Finish· 26.22 mi
5:35:07
Rank: #27584 (-14)
25.2M → Finish
13:00 | 12:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:08
Pace11:27 /mi
2nd Half
Distance13.11 mi
Time3:04:59
Pace14:07 /mi
📊Positive Split: 23.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:2733:5310:5433:53
10:54
-
10K
6.21 mi12:32:271:07:5310:5534:00
10:57
+0:03
15K
9.32 mi13:07:031:42:2911:0034:36
11:08
+0:11
20K
12.43 mi13:47:002:22:2611:2839:57
12:52
+1:44
Half
13.11 mi13:54:422:30:0811:277:42
11:17
-1:35
25K
15.53 mi14:27:423:03:0811:4733:00
13:37
+2:20
30K
18.64 mi15:10:033:45:2912:0642:21
13:38
+0:01
20M
20.00 mi15:29:524:05:1812:1619:49
14:35
+0:57
21M
21.00 mi15:44:104:19:3612:2214:18
14:18
-0:17
35K
21.75 mi15:54:014:29:2712:239:51
13:10
-1:08
23M
23.00 mi16:12:384:48:0412:3118:37
14:52
+1:42
24M
24.00 mi16:26:495:02:1512:3614:11
14:11
-0:41
40K
24.85 mi16:41:365:17:0212:4514:47
17:17
+3:06
25.2M
25.20 mi16:46:415:22:0712:475:05
14:44
-2:33
Finish
26.22 mi16:59:415:35:0712:4713:00
12:45
-1:59

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

10:54 /mi

Average Pace

12:47 /mi

Slowest Pace

17:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:11

37% of race

Time at Steady Pace

2:33:38

46% of race

Time at Slower Pace

58:18

17% of race

Average Pace: 12:47 /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 mi11:58:2733:5310:5433:53
10:54
#27449
10K
6.21 mi12:32:271:07:5310:5534:00
10:57
#27227
15K
9.32 mi13:07:031:42:2911:0034:36
11:08
#27063
20K
12.43 mi13:47:002:22:2611:2839:57
12:52
#27344
Half
13.11 mi13:54:422:30:0811:277:42
11:17
#27310
25K
15.53 mi14:27:423:03:0811:4733:00
13:37
#27405
30K
18.64 mi15:10:033:45:2912:0642:21
13:38
#27391
20M
20.00 mi15:29:524:05:1812:1619:49
14:35
#27427
21M
21.00 mi15:44:104:19:3612:2214:18
14:18
#27397
35K
21.75 mi15:54:014:29:2712:239:51
13:10
#27397
23M
23.00 mi16:12:384:48:0412:3118:37
14:52
#27458
24M
24.00 mi16:26:495:02:1512:3614:11
14:11
#27491
40K
24.85 mi16:41:365:17:0212:4514:47
17:17
#27574
25.2M
25.20 mi16:46:415:22:0712:475:05
14:44
#27570
Finish
26.22 mi16:59:415:35:0712:4713:00
12:45
#27584
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27449116111161126850(Top 95%)11286(Top 92%)11286(Top 206%)
10K6.21 mi3.10 mi27227+22211491+12011491+12026990(Top 95%)11367(Top 93%)11367(Top 208%)
15K9.32 mi3.11 mi27063+16411398+9311398+9326850(Top 95%)11286(Top 92%)11286(Top 206%)
20K12.43 mi3.11 mi27344-28111565-16711565-16727742(Top 98%)11838(Top 97%)11838(Top 216%)
Half13.11 mi0.68 mi27310+3411549+1611549+1626849(Top 95%)11332(Top 93%)11332(Top 207%)
25K15.53 mi2.42 mi27405-9511619-7011619-7027683(Top 97%)11818(Top 97%)11818(Top 216%)
30K18.64 mi3.11 mi27391+1411636-1711636-1727227(Top 96%)11620(Top 95%)11620(Top 212%)
20M20.00 mi1.36 mi27427-3611662-2611662-2627676(Top 97%)11902(Top 97%)11902(Top 218%)
21M21.00 mi1.00 mi27397+3011647+1511647+1526524(Top 93%)11327(Top 93%)11327(Top 207%)
35K21.75 mi0.75 mi2739711653-611653-627105(Top 95%)11643(Top 95%)11643(Top 213%)
23M23.00 mi1.25 mi27458-6111694-4111694-4127859(Top 98%)12028(Top 98%)12028(Top 220%)
24M24.00 mi1.00 mi27491-3311719-2511719-2527734(Top 98%)12000(Top 98%)12000(Top 219%)
40K24.85 mi0.85 mi27574-8311773-5411773-5428270(Top 100%)12185(Top 100%)12185(Top 223%)
25.2M25.20 mi0.35 mi27570+411772+111772+126925(Top 95%)11629(Top 95%)11629(Top 213%)
Finish26.22 mi1.02 mi27584-1411786-1411786-1427461(Top 97%)11851(Top 97%)11851(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

26850

Females

11286

F18-39

11286

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

26990

Females

11367

F18-39

11367

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

26850

Females

11286

F18-39

11286

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27742

Females

11838

F18-39

11838

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

26849

Females

11332

F18-39

11332

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

27683

Females

11818

F18-39

11818

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27227

Females

11620

F18-39

11620

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27676

Females

11902

F18-39

11902

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26524

Females

11327

F18-39

11327

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

27105

Females

11643

F18-39

11643

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27859

Females

12028

F18-39

12028

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

27734

Females

12000

F18-39

12000

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

28270

Females

12185

F18-39

12185

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26925

Females

11629

F18-39

11629

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

27461

Females

11851

F18-39

11851

Passing Analysis

Category:
Athletes Passed
754
Passed By
889
Net Change
-135
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27449
5K → 10K26341+222#27449#27227
10K → 15K19632+164#27227#27063
15K → 20K30311-281#27063#27344
20K → Half373+34#27344#27310
Half → 25K38133-95#27310#27405
25K → 30K8571+14#27405#27391
30K → 20M1753-36#27391#27427
20M → 21M388+30#27427#27397
21M → 35K13130#27397#27397
35K → 23M970-61#27397#27458
23M → 24M1043-33#27458#27491
24M → 40K184-83#27491#27574
40K → 25.2M84+4#27574#27570
25.2M → Finish923-14#27570#27584
TOTALS754889-135
📊

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