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BOSTON MARATHON 2025

Catherine Caruso

Bib: 32066•F

CA

0:00
0:00
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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
27:02
Rank: #21034
Start → 5K
27:02 | 8:42/mi
10K· 6.21 mi
54:22
Rank: #21173 (-139)
5K → 10K
27:20 | 8:48/mi
15K· 9.32 mi
1:21:55
Rank: #21198 (-25)
10K → 15K
27:33 | 8:52/mi
20K· 12.43 mi
1:50:29
Rank: #21398 (-200)
15K → 20K
28:34 | 9:12/mi
Half· 13.11 mi
1:56:49
Rank: #21489 (-91)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:21:56
Rank: #22186 (-697)
Half → 25K
25:07 | 10:22/mi
30K· 18.64 mi
2:52:43
Rank: #22040 (+146)
25K → 30K
30:47 | 9:54/mi
20M
3:06:13
Rank: #21914 (+126)
30K → 20M
13:30 | 9:56/mi
21M
3:16:43
Rank: #21790 (+124)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:23:42
Rank: #21708 (+82)
21M → 35K
6:59 | 9:20/mi
23M
3:36:25
Rank: #21652 (+56)
35K → 23M
12:43 | 10:09/mi
24M
3:45:58
Rank: #21566 (+86)
23M → 24M
9:33 | 9:33/mi
40K· 24.85 mi
3:54:42
Rank: #21541 (+25)
24M → 40K
8:44 | 10:13/mi
25.2M
3:58:23
Rank: #21507 (+34)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
4:07:43
Rank: #21432 (+75)
25.2M → Finish
9:20 | 9:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:49
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:10:54
Pace9:59 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0227:028:4227:02
8:42
-
10K
6.21 mi12:18:2254:228:4527:20
8:48
+0:06
15K
9.32 mi12:45:551:21:558:4727:33
8:52
+0:04
20K
12.43 mi13:14:291:50:298:5328:34
9:12
+0:20
Half
13.11 mi13:20:491:56:498:556:20
9:17
+0:05
25K
15.53 mi13:45:562:21:569:0825:07
10:22
+1:05
30K
18.64 mi14:16:432:52:439:1630:47
9:54
-0:28
20M
20.00 mi14:30:133:06:139:1913:30
9:56
+0:02
21M
21.00 mi14:40:433:16:439:2210:30
10:30
+0:34
35K
21.75 mi14:47:423:23:429:226:59
9:20
-1:10
23M
23.00 mi15:00:253:36:259:2512:43
10:09
+0:49
24M
24.00 mi15:09:583:45:589:259:33
9:33
-0:36
40K
24.85 mi15:18:423:54:429:278:44
10:13
+0:40
25.2M
25.20 mi15:22:233:58:239:283:41
10:41
+0:28
Finish
26.22 mi15:31:434:07:439:279:20
9:10
-1:31

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

8:42 /mi

Average Pace

9:27 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:49

48% of race

Time at Steady Pace

22:52

9% of race

Time at Slower Pace

1:45:02

42% of race

Average Pace: 9:27 /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 mi11:51:0227:028:4227:02
8:42
#21034
10K
6.21 mi12:18:2254:228:4527:20
8:48
#21173
15K
9.32 mi12:45:551:21:558:4727:33
8:52
#21198
20K
12.43 mi13:14:291:50:298:5328:34
9:12
#21398
Half
13.11 mi13:20:491:56:498:556:20
9:17
#21489
25K
15.53 mi13:45:562:21:569:0825:07
10:22
#22186
30K
18.64 mi14:16:432:52:439:1630:47
9:54
#22040
20M
20.00 mi14:30:133:06:139:1913:30
9:56
#21914
21M
21.00 mi14:40:433:16:439:2210:30
10:30
#21790
35K
21.75 mi14:47:423:23:429:226:59
9:20
#21708
23M
23.00 mi15:00:253:36:259:2512:43
10:09
#21652
24M
24.00 mi15:09:583:45:589:259:33
9:33
#21566
40K
24.85 mi15:18:423:54:429:278:44
10:13
#21541
25.2M
25.20 mi15:22:233:58:239:283:41
10:41
#21507
Finish
26.22 mi15:31:434:07:439:279:20
9:10
#21432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi210348103810321391(Top 75%)8211(Top 67%)8211(Top 150%)
10K6.21 mi3.10 mi21173-1398147-448147-4421400(Top 75%)8253(Top 67%)8253(Top 151%)
15K9.32 mi3.11 mi21198-258147814721391(Top 75%)8211(Top 67%)8211(Top 150%)
20K12.43 mi3.11 mi21398-2008261-1148261-11421877(Top 77%)8522(Top 70%)8522(Top 156%)
Half13.11 mi0.68 mi21489-918307-468307-4622906(Top 81%)9084(Top 74%)9084(Top 166%)
25K15.53 mi2.42 mi22186-6978705-3988705-39824095(Top 85%)9792(Top 80%)9792(Top 179%)
30K18.64 mi3.11 mi22040+1468646+598646+5921335(Top 75%)8417(Top 69%)8417(Top 154%)
20M20.00 mi1.36 mi21914+1268588+588588+5820731(Top 73%)8212(Top 67%)8212(Top 150%)
21M21.00 mi1.00 mi21790+1248546+428546+4220031(Top 71%)7928(Top 65%)7928(Top 145%)
35K21.75 mi0.75 mi21708+828512+348512+3419747(Top 70%)7855(Top 64%)7855(Top 144%)
23M23.00 mi1.25 mi21652+568520-88520-820997(Top 74%)8554(Top 70%)8554(Top 156%)
24M24.00 mi1.00 mi21566+868489+318489+3119820(Top 70%)7995(Top 65%)7995(Top 146%)
40K24.85 mi0.85 mi21541+258496-78496-721130(Top 74%)8730(Top 71%)8730(Top 160%)
25.2M25.20 mi0.35 mi21507+348485+118485+1119713(Top 69%)8024(Top 66%)8024(Top 147%)
Finish26.22 mi1.02 mi21432+758466+198466+1919801(Top 70%)8040(Top 66%)8040(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21391

Females

8211

F18-39

8211

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21400

Females

8253

F18-39

8253

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21391

Females

8211

F18-39

8211

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21877

Females

8522

F18-39

8522

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

22906

Females

9084

F18-39

9084

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24095

Females

9792

F18-39

9792

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21335

Females

8417

F18-39

8417

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20731

Females

8212

F18-39

8212

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20031

Females

7928

F18-39

7928

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

19747

Females

7855

F18-39

7855

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

20997

Females

8554

F18-39

8554

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19820

Females

7995

F18-39

7995

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21130

Females

8730

F18-39

8730

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19713

Females

8024

F18-39

8024

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19801

Females

8040

F18-39

8040

Passing Analysis

Category:
Athletes Passed
1635
Passed By
2033
Net Change
-398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21034
5K → 10K208347-139#21034#21173
10K → 15K194219-25#21173#21198
15K → 20K138338-200#21198#21398
20K → Half899-91#21398#21489
Half → 25K29726-697#21489#22186
25K → 30K257111+146#22186#22040
30K → 20M15125+126#22040#21914
20M → 21M15228+124#21914#21790
21M → 35K908+82#21790#21708
35K → 23M10448+56#21708#21652
23M → 24M10014+86#21652#21566
24M → 40K6641+25#21566#21541
40K → 25.2M417+34#21541#21507
25.2M → Finish9722+75#21507#21432
TOTALS16352033-398
📊

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