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BOSTON MARATHON 2025

Katharine Lagasse

Bib: 32176•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
32:34
Rank: #26700
Start → 5K
32:34 | 10:29/mi
10K· 6.21 mi
1:06:43
Rank: #26900 (-200)
5K → 10K
34:09 | 11:00/mi
15K· 9.32 mi
1:40:50
Rank: #26817 (+83)
10K → 15K
34:07 | 10:59/mi
20K· 12.43 mi
2:15:08
Rank: #26596 (+221)
15K → 20K
34:18 | 11:02/mi
Half· 13.11 mi
2:25:47
Rank: #26923 (-327)
20K → Half
10:39 | 15:37/mi
25K· 15.53 mi
2:53:56
Rank: #26772 (+151)
Half → 25K
28:09 | 11:37/mi
30K· 18.64 mi
3:29:34
Rank: #26449 (+323)
25K → 30K
35:38 | 11:28/mi
20M
3:45:27
Rank: #26330 (+119)
30K → 20M
15:53 | 11:41/mi
21M
3:56:31
Rank: #26131 (+199)
20M → 21M
11:04 | 11:04/mi
35K· 21.75 mi
4:03:42
Rank: #25993 (+138)
21M → 35K
7:11 | 9:36/mi
23M
4:15:48
Rank: #25779 (+214)
35K → 23M
12:06 | 9:40/mi
24M
4:25:27
Rank: #25639 (+140)
23M → 24M
9:39 | 9:39/mi
40K· 24.85 mi
4:33:38
Rank: #25448 (+191)
24M → 40K
8:11 | 9:34/mi
25.2M
4:37:16
Rank: #25389 (+59)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
4:46:36
Rank: #25270 (+119)
25.2M → Finish
9:20 | 9:10/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:25:47
Pace11:07 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:20:49
Pace10:45 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:3832:3410:2932:34
10:29
-
10K
6.21 mi12:31:471:06:4310:4434:09
11:00
+0:31
15K
9.32 mi13:05:541:40:5010:4934:07
10:59
-0:01
20K
12.43 mi13:40:122:15:0810:5234:18
11:02
+0:03
Half
13.11 mi13:50:512:25:4711:0710:39
15:37
+4:35
25K
15.53 mi14:19:002:53:5611:1228:09
11:37
-4:00
30K
18.64 mi14:54:383:29:3411:1535:38
11:28
-0:09
20M
20.00 mi15:10:313:45:2711:1615:53
11:41
+0:13
21M
21.00 mi15:21:353:56:3111:1611:04
11:04
-0:37
35K
21.75 mi15:28:464:03:4211:127:11
9:36
-1:28
23M
23.00 mi15:40:524:15:4811:0712:06
9:40
+0:04
24M
24.00 mi15:50:314:25:2711:049:39
9:39
-0:01
40K
24.85 mi15:58:424:33:3811:018:11
9:34
-0:05
25.2M
25.20 mi16:02:204:37:1611:003:38
10:32
+0:58
Finish
26.22 mi16:11:404:46:3610:569:20
9:10
-1:22

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

9:10 /mi

Average Pace

10:56 /mi

Slowest Pace

15:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:27

16% of race

Time at Steady Pace

3:49:30

80% of race

Time at Slower Pace

10:39

4% of race

Average Pace: 10:56 /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 mi11:57:3832:3410:2932:34
10:29
#26700
10K
6.21 mi12:31:471:06:4310:4434:09
11:00
#26900
15K
9.32 mi13:05:541:40:5010:4934:07
10:59
#26817
20K
12.43 mi13:40:122:15:0810:5234:18
11:02
#26596
Half
13.11 mi13:50:512:25:4711:0710:39
15:37
#26923
25K
15.53 mi14:19:002:53:5611:1228:09
11:37
#26772
30K
18.64 mi14:54:383:29:3411:1535:38
11:28
#26449
20M
20.00 mi15:10:313:45:2711:1615:53
11:41
#26330
21M
21.00 mi15:21:353:56:3111:1611:04
11:04
#26131
35K
21.75 mi15:28:464:03:4211:127:11
9:36
#25993
23M
23.00 mi15:40:524:15:4811:0712:06
9:40
#25779
24M
24.00 mi15:50:314:25:2711:049:39
9:39
#25639
40K
24.85 mi15:58:424:33:3811:018:11
9:34
#25448
25.2M
25.20 mi16:02:204:37:1611:003:38
10:32
#25389
Finish
26.22 mi16:11:404:46:3610:569:20
9:10
#25270
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26700111551115526649(Top 94%)11160(Top 91%)11160(Top 204%)
10K6.21 mi3.10 mi26900-20011285-13011285-13027052(Top 95%)11400(Top 93%)11400(Top 208%)
15K9.32 mi3.11 mi26817+8311244+4111244+4126649(Top 94%)11160(Top 91%)11160(Top 204%)
20K12.43 mi3.11 mi26596+22111122+12211122+12226064(Top 92%)10845(Top 89%)10845(Top 198%)
Half13.11 mi0.68 mi26923-32711327-20511327-20528371(Top 100%)12213(Top 100%)12213(Top 223%)
25K15.53 mi2.42 mi26772+15111242+8511242+8525981(Top 91%)10853(Top 89%)10853(Top 198%)
30K18.64 mi3.11 mi26449+32311074+16811074+16824806(Top 87%)10299(Top 84%)10299(Top 188%)
20M20.00 mi1.36 mi26330+11911021+5311021+5324831(Top 87%)10378(Top 85%)10378(Top 190%)
21M21.00 mi1.00 mi26131+19910926+9510926+9521560(Top 76%)8750(Top 72%)8750(Top 160%)
35K21.75 mi0.75 mi25993+13810847+7910847+7920652(Top 73%)8334(Top 68%)8334(Top 152%)
23M23.00 mi1.25 mi25779+21410753+9410753+9419305(Top 68%)7683(Top 63%)7683(Top 140%)
24M24.00 mi1.00 mi25639+14010695+5810695+5820162(Top 71%)8176(Top 67%)8176(Top 149%)
40K24.85 mi0.85 mi25448+19110596+9910596+9918950(Top 67%)7620(Top 62%)7620(Top 139%)
25.2M25.20 mi0.35 mi25389+5910565+3110565+3119051(Top 67%)7690(Top 63%)7690(Top 141%)
Finish26.22 mi1.02 mi25270+11910506+5910506+5919744(Top 70%)8014(Top 66%)8014(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26649

Females

11160

F18-39

11160

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

27052

Females

11400

F18-39

11400

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26649

Females

11160

F18-39

11160

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26064

Females

10845

F18-39

10845

20K→Half

12.4 - 13.1 mi

Top 100%
×2stories
+19ft-37ft

Overall

28371

Females

12213

F18-39

12213

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25981

Females

10853

F18-39

10853

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24806

Females

10299

F18-39

10299

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24831

Females

10378

F18-39

10378

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21560

Females

8750

F18-39

8750

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20652

Females

8334

F18-39

8334

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19305

Females

7683

F18-39

7683

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20162

Females

8176

F18-39

8176

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

18950

Females

7620

F18-39

7620

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19051

Females

7690

F18-39

7690

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19744

Females

8014

F18-39

8014

Passing Analysis

Category:
Athletes Passed
2178
Passed By
748
Net Change
+1430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26700
5K → 10K93293-200#26700#26900
10K → 15K16380+83#26900#26817
15K → 20K24625+221#26817#26596
20K → Half0327-327#26596#26923
Half → 25K16312+151#26923#26772
25K → 30K3274+323#26772#26449
30K → 20M1223+119#26449#26330
20M → 21M2023+199#26330#26131
21M → 35K1380+138#26131#25993
35K → 23M2151+214#25993#25779
23M → 24M1400+140#25779#25639
24M → 40K1910+191#25639#25448
40K → 25.2M590+59#25448#25389
25.2M → Finish1190+119#25389#25270
TOTALS2178748+1430
📊

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