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BOSTON MARATHON 2025

Karen Perry

Bib: 13474•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
Masters (Masters Women)
#0 / 6759
Top 18%
Division (F40-44)
#0 / 1718
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:04
Rank: #11597
Start → 5K
23:04 | 7:25/mi
10K· 6.21 mi
46:36
Rank: #12138 (-541)
5K → 10K
23:32 | 7:34/mi
15K· 9.32 mi
1:10:22
Rank: #12430 (-292)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:35:11
Rank: #13005 (-575)
15K → 20K
24:49 | 7:59/mi
Half· 13.11 mi
1:40:34
Rank: #13121 (-116)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:00:11
Rank: #13326 (-205)
Half → 25K
19:37 | 8:05/mi
30K· 18.64 mi
2:26:15
Rank: #13452 (-126)
25K → 30K
26:04 | 8:23/mi
20M
2:37:51
Rank: #13473 (-21)
30K → 20M
11:36 | 8:32/mi
21M
2:47:07
Rank: #13541 (-68)
20M → 21M
9:16 | 9:16/mi
35K· 21.75 mi
2:53:20
Rank: #13556 (-15)
21M → 35K
6:13 | 8:19/mi
23M
3:03:56
Rank: #13487 (+69)
35K → 23M
10:36 | 8:28/mi
24M
3:12:15
Rank: #13475 (+12)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:19:26
Rank: #13436 (+39)
24M → 40K
7:11 | 8:24/mi
25.2M
3:22:42
Rank: #13446 (-10)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:31:03
Rank: #13495 (-49)
25.2M → Finish
8:21 | 8:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:34
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:50:29
Pace8:26 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2423:047:2523:04
7:25
-
10K
6.21 mi11:15:5646:367:3023:32
7:34
+0:09
15K
9.32 mi11:39:421:10:227:3323:46
7:39
+0:05
20K
12.43 mi12:04:311:35:117:4024:49
7:59
+0:20
Half
13.11 mi12:09:541:40:347:405:23
7:53
-0:06
25K
15.53 mi12:29:312:00:117:4419:37
8:05
+0:12
30K
18.64 mi12:55:352:26:157:5126:04
8:23
+0:18
20M
20.00 mi13:07:112:37:517:5411:36
8:32
+0:09
21M
21.00 mi13:16:272:47:077:579:16
9:16
+0:44
35K
21.75 mi13:22:402:53:207:586:13
8:19
-0:57
23M
23.00 mi13:33:163:03:568:0010:36
8:28
+0:09
24M
24.00 mi13:41:353:12:158:018:19
8:19
-0:09
40K
24.85 mi13:48:463:19:268:017:11
8:24
+0:05
25.2M
25.20 mi13:52:023:22:428:033:16
9:28
+1:04
Finish
26.22 mi14:00:233:31:038:038:21
8:12
-1:16

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

7:25 /mi

Average Pace

8:03 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:34

48% of race

Time at Steady Pace

1:37:57

46% of race

Time at Slower Pace

12:32

6% of race

Average Pace: 8:03 /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 mi10:52:2423:047:2523:04
7:25
#11597
10K
6.21 mi11:15:5646:367:3023:32
7:34
#12138
15K
9.32 mi11:39:421:10:227:3323:46
7:39
#12430
20K
12.43 mi12:04:311:35:117:4024:49
7:59
#13005
Half
13.11 mi12:09:541:40:347:405:23
7:53
#13121
25K
15.53 mi12:29:312:00:117:4419:37
8:05
#13326
30K
18.64 mi12:55:352:26:157:5126:04
8:23
#13452
20M
20.00 mi13:07:112:37:517:5411:36
8:32
#13473
21M
21.00 mi13:16:272:47:077:579:16
9:16
#13541
35K
21.75 mi13:22:402:53:207:586:13
8:19
#13556
23M
23.00 mi13:33:163:03:568:0010:36
8:28
#13487
24M
24.00 mi13:41:353:12:158:018:19
8:19
#13475
40K
24.85 mi13:48:463:19:268:017:11
8:24
#13436
25.2M
25.20 mi13:52:023:22:428:033:16
9:28
#13446
Finish
26.22 mi14:00:233:31:038:038:21
8:12
#13495
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi115972580258013069(Top 46%)3488(Top 29%)3488(Top 203%)
10K6.21 mi3.10 mi12138-5412883-3032883-30312813(Top 45%)3262(Top 27%)3262(Top 190%)
15K9.32 mi3.11 mi12430-2923068-1853068-18513069(Top 46%)3488(Top 29%)3488(Top 203%)
20K12.43 mi3.11 mi13005-5753450-3823450-38214843(Top 52%)4556(Top 37%)4556(Top 265%)
Half13.11 mi0.68 mi13121-1163516-663516-6615032(Top 53%)4615(Top 38%)4615(Top 269%)
25K15.53 mi2.42 mi13326-2053667-1513667-15114583(Top 51%)4527(Top 37%)4527(Top 264%)
30K18.64 mi3.11 mi13452-1263788-1213788-12114083(Top 50%)4419(Top 36%)4419(Top 257%)
20M20.00 mi1.36 mi13473-213840-523840-5214014(Top 49%)4517(Top 37%)4517(Top 263%)
21M21.00 mi1.00 mi13541-683915-753915-7514971(Top 53%)5154(Top 42%)5154(Top 300%)
35K21.75 mi0.75 mi13556-153945-303945-3014317(Top 50%)4848(Top 40%)4848(Top 282%)
23M23.00 mi1.25 mi13487+693949-43949-413120(Top 46%)4329(Top 35%)4329(Top 252%)
24M24.00 mi1.00 mi13475+123962-133962-1313390(Top 47%)4511(Top 37%)4511(Top 263%)
40K24.85 mi0.85 mi13436+393962396212824(Top 45%)4344(Top 36%)4344(Top 253%)
25.2M25.20 mi0.35 mi13446-103985-233985-2314462(Top 51%)5251(Top 43%)5251(Top 306%)
Finish26.22 mi1.02 mi13495-494036-514036-5114239(Top 50%)5063(Top 41%)5063(Top 295%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

13069

Females

3488

F40-44

3488

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12813

Females

3262

F40-44

3262

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

13069

Females

3488

F40-44

3488

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14843

Females

4556

F40-44

4556

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

15032

Females

4615

F40-44

4615

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14583

Females

4527

F40-44

4527

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14083

Females

4419

F40-44

4419

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

14014

Females

4517

F40-44

4517

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14971

Females

5154

F40-44

5154

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14317

Females

4848

F40-44

4848

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13120

Females

4329

F40-44

4329

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13390

Females

4511

F40-44

4511

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12824

Females

4344

F40-44

4344

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14462

Females

5251

F40-44

5251

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14239

Females

5063

F40-44

5063

Passing Analysis

Category:
Athletes Passed
1248
Passed By
3146
Net Change
-1898
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11597
5K → 10K83624-541#11597#12138
10K → 15K104396-292#12138#12430
15K → 20K74649-575#12430#13005
20K → Half11127-116#13005#13121
Half → 25K110315-205#13121#13326
25K → 30K197323-126#13326#13452
30K → 20M113134-21#13452#13473
20M → 21M91159-68#13473#13541
21M → 35K4661-15#13541#13556
35K → 23M14273+69#13556#13487
23M → 24M8977+12#13487#13475
24M → 40K9556+39#13475#13436
40K → 25.2M3545-10#13436#13446
25.2M → Finish58107-49#13446#13495
TOTALS12483146-1898
📊

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