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BOSTON MARATHON 2025

Katy Cargiulo

Bib: 5521•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Masters (Masters Women)
#0 / 6759
Top 0.9%
Division (F45-49)
#0 / 1813
Top 1.0%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:41/mi
20:46
↑ 97↓ 3451.5%
10K· 6.21 mi
6:43/mi
41:39
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:02:52
↑ 67↓ 78
20K· 12.43 mi
6:56/mi
1:24:24
↑ 106↓ 860.1%
Half· 13.11 mi
6:52/mi
1:29:05
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:45:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:04/mi
2:07:41
↑ 181↓ 1480.2%
20M
7:10/mi
2:17:25
↑ 64↓ 500.2%
21M
7:30/mi
2:24:55
↑ 106↓ 241.6%
35K· 21.75 mi
6:58/mi
2:30:08
↑ 17↓ 861.7%
23M
7:08/mi
2:39:04
↑ 23↓ 630.6%
24M
7:03/mi
2:46:07
↓ 821.3%
40K· 24.85 mi
7:09/mi
2:52:14
↓ 200.3%
25.2M
7:35/mi
2:54:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:00/mi
3:01:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:32:54
Pace7:05 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3020:466:4120:46
6:41
-
10K
6.21 mi10:45:2341:396:4220:53
6:43
+0:02
15K
9.32 mi11:06:361:02:526:4521:13
6:50
+0:07
20K
12.43 mi11:28:081:24:246:4721:32
6:56
+0:06
Half
13.11 mi11:32:491:29:056:484:41
6:52
-0:04
25K
15.53 mi11:49:291:45:456:4816:40
6:52
0:00
30K
18.64 mi12:11:252:07:416:5121:56
7:04
+0:12
20M
20.00 mi12:21:092:17:256:529:44
7:10
+0:06
21M
21.00 mi12:28:392:24:556:547:30
7:30
+0:20
35K
21.75 mi12:33:522:30:086:545:13
6:58
-0:32
23M
23.00 mi12:42:482:39:046:558:56
7:08
+0:10
24M
24.00 mi12:49:512:46:076:557:03
7:03
-0:05
40K
24.85 mi12:55:582:52:146:566:07
7:09
+0:06
25.2M
25.20 mi12:58:352:54:516:562:37
7:35
+0:26
Finish
26.22 mi13:05:433:01:596:577:08
7:00
-0:35

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

6:41 /mi

Average Pace

6:57 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:52

94% of race

Time at Steady Pace

10:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:24:3020:466:4120:46
6:41
#5324
10K
6.21 mi10:45:2341:396:4220:53
6:43
#5408
15K
9.32 mi11:06:361:02:526:4521:13
6:50
#5660
20K
12.43 mi11:28:081:24:246:4721:32
6:56
#5865
Half
13.11 mi11:32:491:29:056:484:41
6:52
#5914
25K
15.53 mi11:49:291:45:456:4816:40
6:52
#5785
30K
18.64 mi12:11:252:07:416:5121:56
7:04
#5588
20M
20.00 mi12:21:092:17:256:529:44
7:10
#5539
21M
21.00 mi12:28:392:24:556:547:30
7:30
#5449
35K
21.75 mi12:33:522:30:086:545:13
6:58
#5402
23M
23.00 mi12:42:482:39:046:558:56
7:08
#5297
24M
24.00 mi12:49:512:46:076:557:03
7:03
#5251
40K
24.85 mi12:55:582:52:146:566:07
7:09
#5187
25.2M
25.20 mi12:58:352:54:516:562:37
7:35
#5146
Finish
26.22 mi13:05:433:01:596:577:08
7:00
#5111
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi53243643646404(Top 23%)596(Top 5%)596(Top 33%)
10K6.21 mi3.10 mi5408-84389-25389-255559(Top 20%)435(Top 4%)435(Top 24%)
15K9.32 mi3.11 mi5660-252434-45434-456404(Top 23%)596(Top 5%)596(Top 33%)
20K12.43 mi3.11 mi5865-205477-43477-436440(Top 23%)646(Top 5%)646(Top 36%)
Half13.11 mi0.68 mi5914-49484-7484-76710(Top 24%)688(Top 6%)688(Top 38%)
25K15.53 mi2.42 mi5785+129481+3481+35481(Top 19%)486(Top 4%)486(Top 27%)
30K18.64 mi3.11 mi5588+197464+17464+175087(Top 18%)468(Top 4%)468(Top 26%)
20M20.00 mi1.36 mi5539+494644645017(Top 18%)506(Top 4%)506(Top 28%)
21M21.00 mi1.00 mi5449+90458+6458+64635(Top 16%)518(Top 4%)518(Top 29%)
35K21.75 mi0.75 mi5402+47459-1459-15201(Top 18%)658(Top 5%)658(Top 36%)
23M23.00 mi1.25 mi5297+105457+2457+24536(Top 16%)542(Top 4%)542(Top 30%)
24M24.00 mi1.00 mi5251+46460-3460-34939(Top 17%)704(Top 6%)704(Top 39%)
40K24.85 mi0.85 mi5187+64457+3457+34819(Top 17%)715(Top 6%)715(Top 39%)
25.2M25.20 mi0.35 mi5146+414574573888(Top 14%)522(Top 4%)522(Top 29%)
Finish26.22 mi1.02 mi5111+35456+1456+15751(Top 20%)1146(Top 9%)1146(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6404

Females

596

F45-49

596

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5559

Females

435

F45-49

435

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6404

Females

596

F45-49

596

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6440

Females

646

F45-49

646

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6710

Females

688

F45-49

688

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5481

Females

486

F45-49

486

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

5087

Females

468

F45-49

468

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

5017

Females

506

F45-49

506

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4635

Females

518

F45-49

518

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

5201

Females

658

F45-49

658

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4536

Females

542

F45-49

542

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4939

Females

704

F45-49

704

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4819

Females

715

F45-49

715

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3888

Females

522

F45-49

522

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5751

Females

1146

F45-49

1146

Passing Analysis

Category:
Athletes Passed
1405
Passed By
1192
Net Change
+213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5324
5K → 10K138222-84#5324#5408
10K → 15K57309-252#5408#5660
15K → 20K77282-205#5660#5865
20K → Half857-49#5865#5914
Half → 25K18556+129#5914#5785
25K → 30K27477+197#5785#5588
30K → 20M9142+49#5588#5539
20M → 21M11222+90#5539#5449
21M → 35K7427+47#5449#5402
35K → 23M13126+105#5402#5297
23M → 24M7630+46#5297#5251
24M → 40K7915+64#5251#5187
40K → 25.2M410+41#5187#5146
25.2M → Finish6227+35#5146#5111
TOTALS14051192+213
📊

Passing Visuals

Category:
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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