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BOSTON MARATHON 2025

Cassie Kruse

Bib: 7766•F

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #5963
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
42:04
Rank: #6027 (-64)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:03:19
Rank: #6134 (-107)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:24:51
Rank: #6212 (-78)
15K → 20K
21:32 | 6:56/mi
Half· 13.11 mi
1:29:31
Rank: #6212
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:32
Rank: #6243 (-31)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:08:48
Rank: #6035 (+208)
25K → 30K
22:16 | 7:10/mi
20M
2:18:40
Rank: #5963 (+72)
30K → 20M
9:52 | 7:16/mi
21M
2:26:29
Rank: #5927 (+36)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:31:40
Rank: #5852 (+75)
21M → 35K
5:11 | 6:56/mi
23M
2:40:44
Rank: #5730 (+122)
35K → 23M
9:04 | 7:14/mi
24M
2:47:39
Rank: #5604 (+126)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:53:49
Rank: #5537 (+67)
24M → 40K
6:10 | 7:13/mi
25.2M
2:56:30
Rank: #5482 (+55)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:03:35
Rank: #5432 (+50)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:31
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:34:04
Pace7:11 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1420:596:4520:59
6:45
-
10K
6.21 mi10:50:1942:046:4621:05
6:47
+0:02
15K
9.32 mi11:11:341:03:196:4821:15
6:50
+0:03
20K
12.43 mi11:33:061:24:516:5021:32
6:56
+0:06
Half
13.11 mi11:37:461:29:316:504:40
6:50
-0:06
25K
15.53 mi11:54:471:46:326:5117:01
7:01
+0:11
30K
18.64 mi12:17:032:08:486:5522:16
7:10
+0:09
20M
20.00 mi12:26:552:18:406:569:52
7:16
+0:06
21M
21.00 mi12:34:442:26:296:597:49
7:49
+0:33
35K
21.75 mi12:39:552:31:406:585:11
6:56
-0:53
23M
23.00 mi12:48:592:40:446:599:04
7:14
+0:18
24M
24.00 mi12:55:542:47:396:596:55
6:55
-0:19
40K
24.85 mi13:02:042:53:497:006:10
7:13
+0:18
25.2M
25.20 mi13:04:452:56:307:002:41
7:47
+0:34
Finish
26.22 mi13:11:503:03:357:007:05
6:57
-0:50

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

6:45 /mi

Average Pace

7:00 /mi

Slowest Pace

7:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:05

94% of race

Time at Steady Pace

10:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:00 /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 mi10:29:1420:596:4520:59
6:45
#5963
10K
6.21 mi10:50:1942:046:4621:05
6:47
#6027
15K
9.32 mi11:11:341:03:196:4821:15
6:50
#6134
20K
12.43 mi11:33:061:24:516:5021:32
6:56
#6212
Half
13.11 mi11:37:461:29:316:504:40
6:50
#6212
25K
15.53 mi11:54:471:46:326:5117:01
7:01
#6243
30K
18.64 mi12:17:032:08:486:5522:16
7:10
#6035
20M
20.00 mi12:26:552:18:406:569:52
7:16
#5963
21M
21.00 mi12:34:442:26:296:597:49
7:49
#5927
35K
21.75 mi12:39:552:31:406:585:11
6:56
#5852
23M
23.00 mi12:48:592:40:446:599:04
7:14
#5730
24M
24.00 mi12:55:542:47:396:596:55
6:55
#5604
40K
24.85 mi13:02:042:53:497:006:10
7:13
#5537
25.2M
25.20 mi13:04:452:56:307:002:41
7:47
#5482
Finish
26.22 mi13:11:503:03:357:007:05
6:57
#5432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi59634674676493(Top 23%)617(Top 5%)617(Top 11%)
10K6.21 mi3.10 mi6027-64485-18485-186265(Top 22%)555(Top 5%)555(Top 10%)
15K9.32 mi3.11 mi6134-107506-21506-216493(Top 23%)617(Top 5%)617(Top 11%)
20K12.43 mi3.11 mi6212-78547-41547-416442(Top 23%)648(Top 5%)648(Top 12%)
Half13.11 mi0.68 mi6212550-3550-36539(Top 23%)660(Top 5%)660(Top 12%)
25K15.53 mi2.42 mi6243-31579-29579-296449(Top 23%)703(Top 6%)703(Top 13%)
30K18.64 mi3.11 mi6035+208555+24555+245725(Top 20%)599(Top 5%)599(Top 11%)
20M20.00 mi1.36 mi5963+72557-2557-25572(Top 20%)664(Top 5%)664(Top 12%)
21M21.00 mi1.00 mi5927+36566-9566-96304(Top 22%)1021(Top 8%)1021(Top 19%)
35K21.75 mi0.75 mi5852+75551+15551+154958(Top 17%)589(Top 5%)589(Top 11%)
23M23.00 mi1.25 mi5730+122544+7544+75145(Top 18%)709(Top 6%)709(Top 13%)
24M24.00 mi1.00 mi5604+126533+11533+114208(Top 15%)498(Top 4%)498(Top 9%)
40K24.85 mi0.85 mi5537+67529+4529+45139(Top 18%)822(Top 7%)822(Top 15%)
25.2M25.20 mi0.35 mi5482+55523+6523+64838(Top 17%)805(Top 7%)805(Top 15%)
Finish26.22 mi1.02 mi5432+50529-6529-65427(Top 19%)1019(Top 8%)1019(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6493

Females

617

F18-39

617

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6265

Females

555

F18-39

555

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6493

Females

617

F18-39

617

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6442

Females

648

F18-39

648

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6539

Females

660

F18-39

660

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6449

Females

703

F18-39

703

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5725

Females

599

F18-39

599

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5572

Females

664

F18-39

664

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6304

Females

1021

F18-39

1021

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4958

Females

589

F18-39

589

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5145

Females

709

F18-39

709

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4208

Females

498

F18-39

498

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5139

Females

822

F18-39

822

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4838

Females

805

F18-39

805

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5427

Females

1019

F18-39

1019

Passing Analysis

Category:
Athletes Passed
1575
Passed By
1044
Net Change
+531
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5963
5K → 10K154218-64#5963#6027
10K → 15K106213-107#6027#6134
15K → 20K128206-78#6134#6212
20K → Half32320#6212#6212
Half → 25K108139-31#6212#6243
25K → 30K27365+208#6243#6035
30K → 20M10937+72#6035#5963
20M → 21M8448+36#5963#5927
21M → 35K8914+75#5927#5852
35K → 23M14220+122#5852#5730
23M → 24M1359+126#5730#5604
24M → 40K8316+67#5604#5537
40K → 25.2M583+55#5537#5482
25.2M → Finish7424+50#5482#5432
TOTALS15751044+531
📊

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