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BOSTON MARATHON 2025

Hayley Katkowski

Bib: 27059•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
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
24:14
Rank: #14827
Start → 5K
24:14 | 7:48/mi
10K· 6.21 mi
47:17
Rank: #13136 (+1691)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:11:03
Rank: #13072 (+64)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:35:43
Rank: #13395 (-323)
15K → 20K
24:40 | 7:56/mi
Half· 13.11 mi
1:41:07
Rank: #13492 (-97)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:01:10
Rank: #13897 (-405)
Half → 25K
20:03 | 8:16/mi
30K· 18.64 mi
2:28:34
Rank: #14447 (-550)
25K → 30K
27:24 | 8:49/mi
20M
2:41:15
Rank: #14845 (-398)
30K → 20M
12:41 | 9:20/mi
21M
2:51:07
Rank: #15021 (-176)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
2:57:49
Rank: #15131 (-110)
21M → 35K
6:42 | 8:57/mi
23M
3:09:22
Rank: #15275 (-144)
35K → 23M
11:33 | 9:13/mi
24M
3:18:34
Rank: #15425 (-150)
23M → 24M
9:12 | 9:12/mi
40K· 24.85 mi
3:26:31
Rank: #15490 (-65)
24M → 40K
7:57 | 9:18/mi
25.2M
3:30:11
Rank: #15561 (-71)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
3:39:41
Rank: #15787 (-226)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:07
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:58:34
Pace9:03 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:0724:147:4824:14
7:48
-
10K
6.21 mi12:03:1047:177:3723:03
7:25
-0:23
15K
9.32 mi12:26:561:11:037:3723:46
7:39
+0:14
20K
12.43 mi12:51:361:35:437:4224:40
7:56
+0:17
Half
13.11 mi12:57:001:41:077:435:24
7:55
-0:01
25K
15.53 mi13:17:032:01:107:4820:03
8:16
+0:21
30K
18.64 mi13:44:272:28:347:5827:24
8:49
+0:33
20M
20.00 mi13:57:082:41:158:0412:41
9:20
+0:31
21M
21.00 mi14:07:002:51:078:099:52
9:52
+0:32
35K
21.75 mi14:13:422:57:498:116:42
8:57
-0:55
23M
23.00 mi14:25:153:09:228:1411:33
9:13
+0:16
24M
24.00 mi14:34:273:18:348:169:12
9:12
-0:01
40K
24.85 mi14:42:243:26:318:197:57
9:18
+0:06
25.2M
25.20 mi14:46:043:30:118:203:40
10:38
+1:20
Finish
26.22 mi14:55:343:39:418:239:30
9:19
-1:19

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

8:23 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:10

55% of race

Time at Steady Pace

1:24:59

39% of race

Time at Slower Pace

13:32

6% of race

Average Pace: 8:23 /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 mi11:40:0724:147:4824:14
7:48
#14827
10K
6.21 mi12:03:1047:177:3723:03
7:25
#13136
15K
9.32 mi12:26:561:11:037:3723:46
7:39
#13072
20K
12.43 mi12:51:361:35:437:4224:40
7:56
#13395
Half
13.11 mi12:57:001:41:077:435:24
7:55
#13492
25K
15.53 mi13:17:032:01:107:4820:03
8:16
#13897
30K
18.64 mi13:44:272:28:347:5827:24
8:49
#14447
20M
20.00 mi13:57:082:41:158:0412:41
9:20
#14845
21M
21.00 mi14:07:002:51:078:099:52
9:52
#15021
35K
21.75 mi14:13:422:57:498:116:42
8:57
#15131
23M
23.00 mi14:25:153:09:228:1411:33
9:13
#15275
24M
24.00 mi14:34:273:18:348:169:12
9:12
#15425
40K
24.85 mi14:42:243:26:318:197:57
9:18
#15490
25.2M
25.20 mi14:46:043:30:118:203:40
10:38
#15561
Finish
26.22 mi14:55:343:39:418:239:30
9:19
#15787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi148274424442413073(Top 46%)3492(Top 29%)3492(Top 64%)
10K6.21 mi3.10 mi13136+16913425+9993425+99911378(Top 40%)2509(Top 21%)2509(Top 46%)
15K9.32 mi3.11 mi13072+643432-73432-713073(Top 46%)3492(Top 29%)3492(Top 64%)
20K12.43 mi3.11 mi13395-3233655-2233655-22314466(Top 51%)4354(Top 36%)4354(Top 80%)
Half13.11 mi0.68 mi13492-973725-703725-7015297(Top 54%)4794(Top 39%)4794(Top 88%)
25K15.53 mi2.42 mi13897-4053988-2633988-26315741(Top 55%)5155(Top 42%)5155(Top 94%)
30K18.64 mi3.11 mi14447-5504362-3744362-37416718(Top 59%)5870(Top 48%)5870(Top 107%)
20M20.00 mi1.36 mi14845-3984608-2464608-24618448(Top 65%)6970(Top 57%)6970(Top 127%)
21M21.00 mi1.00 mi15021-1764736-1284736-12817776(Top 63%)6673(Top 55%)6673(Top 122%)
35K21.75 mi0.75 mi15131-1104813-774813-7718025(Top 63%)6907(Top 56%)6907(Top 126%)
23M23.00 mi1.25 mi15275-1444940-1274940-12717447(Top 61%)6685(Top 55%)6685(Top 122%)
24M24.00 mi1.00 mi15425-1505056-1165056-11618359(Top 65%)7224(Top 59%)7224(Top 132%)
40K24.85 mi0.85 mi15490-655122-665122-6617860(Top 63%)7059(Top 58%)7059(Top 129%)
25.2M25.20 mi0.35 mi15561-715174-525174-5219496(Top 69%)7883(Top 64%)7883(Top 144%)
Finish26.22 mi1.02 mi15787-2265324-1505324-15020478(Top 72%)8376(Top 68%)8376(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

13073

Females

3492

F18-39

3492

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11378

Females

2509

F18-39

2509

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

13073

Females

3492

F18-39

3492

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14466

Females

4354

F18-39

4354

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15297

Females

4794

F18-39

4794

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15741

Females

5155

F18-39

5155

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16718

Females

5870

F18-39

5870

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18448

Females

6970

F18-39

6970

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17776

Females

6673

F18-39

6673

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

18025

Females

6907

F18-39

6907

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17447

Females

6685

F18-39

6685

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18359

Females

7224

F18-39

7224

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17860

Females

7059

F18-39

7059

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19496

Females

7883

F18-39

7883

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20478

Females

8376

F18-39

8376

Passing Analysis

Category:
Athletes Passed
2600
Passed By
3560
Net Change
-960
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14827
5K → 10K16998+1691#14827#13136
10K → 15K229165+64#13136#13072
15K → 20K118441-323#13072#13395
20K → Half12109-97#13395#13492
Half → 25K87492-405#13492#13897
25K → 30K117667-550#13897#14447
30K → 20M53451-398#14447#14845
20M → 21M70246-176#14845#15021
21M → 35K32142-110#15021#15131
35K → 23M69213-144#15131#15275
23M → 24M34184-150#15275#15425
24M → 40K51116-65#15425#15490
40K → 25.2M1384-71#15490#15561
25.2M → Finish16242-226#15561#15787
TOTALS26003560-960
📊

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