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BOSTON MARATHON 2025

Leah Cardarelli

Bib: 8701•F

MA

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
21:28
Rank: #7160
Start → 5K
21:28 | 6:55/mi
10K· 6.21 mi
43:02
Rank: #7350 (-190)
5K → 10K
21:34 | 6:56/mi
15K· 9.32 mi
1:04:29
Rank: #7221 (+129)
10K → 15K
21:27 | 6:54/mi
20K· 12.43 mi
1:25:52
Rank: #6896 (+325)
15K → 20K
21:23 | 6:53/mi
Half· 13.11 mi
1:30:32
Rank: #6870 (+26)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:47:15
Rank: #6603 (+267)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:09:08
Rank: #6165 (+438)
25K → 30K
21:53 | 7:03/mi
20M
2:18:49
Rank: #6010 (+155)
30K → 20M
9:41 | 7:08/mi
21M
2:26:17
Rank: #5850 (+160)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:31:28
Rank: #5796 (+54)
21M → 35K
5:11 | 6:56/mi
23M
2:40:33
Rank: #5685 (+111)
35K → 23M
9:05 | 7:15/mi
24M
2:47:40
Rank: #5609 (+76)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:53:52
Rank: #5547 (+62)
24M → 40K
6:12 | 7:15/mi
25.2M
2:56:36
Rank: #5508 (+39)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:03:39
Rank: #5444 (+64)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:32
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:33:07
Pace7:06 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4821:286:5521:28
6:55
-
10K
6.21 mi11:08:2243:026:5621:34
6:56
+0:01
15K
9.32 mi11:29:491:04:296:5521:27
6:54
-0:02
20K
12.43 mi11:51:121:25:526:5521:23
6:53
-0:01
Half
13.11 mi11:55:521:30:326:544:40
6:50
-0:03
25K
15.53 mi12:12:351:47:156:5416:43
6:54
+0:04
30K
18.64 mi12:34:282:09:086:5621:53
7:03
+0:09
20M
20.00 mi12:44:092:18:496:569:41
7:08
+0:05
21M
21.00 mi12:51:372:26:176:587:28
7:28
+0:20
35K
21.75 mi12:56:482:31:286:585:11
6:56
-0:32
23M
23.00 mi13:05:532:40:336:599:05
7:15
+0:19
24M
24.00 mi13:13:002:47:406:597:07
7:07
-0:08
40K
24.85 mi13:19:122:53:527:006:12
7:15
+0:08
25.2M
25.20 mi13:21:562:56:367:002:44
7:56
+0:41
Finish
26.22 mi13:28:593:03:397:017:03
6:55
-1:01

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

6:50 /mi

Average Pace

7:01 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:55

99% of race

Time at Steady Pace

2:44

1% 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 mi10:46:4821:286:5521:28
6:55
#7160
10K
6.21 mi11:08:2243:026:5621:34
6:56
#7350
15K
9.32 mi11:29:491:04:296:5521:27
6:54
#7221
20K
12.43 mi11:51:121:25:526:5521:23
6:53
#6896
Half
13.11 mi11:55:521:30:326:544:40
6:50
#6870
25K
15.53 mi12:12:351:47:156:5416:43
6:54
#6603
30K
18.64 mi12:34:282:09:086:5621:53
7:03
#6165
20M
20.00 mi12:44:092:18:496:569:41
7:08
#6010
21M
21.00 mi12:51:372:26:176:587:28
7:28
#5850
35K
21.75 mi12:56:482:31:286:585:11
6:56
#5796
23M
23.00 mi13:05:532:40:336:599:05
7:15
#5685
24M
24.00 mi13:13:002:47:406:597:07
7:07
#5609
40K
24.85 mi13:19:122:53:527:006:12
7:15
#5547
25.2M
25.20 mi13:21:562:56:367:002:44
7:56
#5508
Finish
26.22 mi13:28:593:03:397:017:03
6:55
#5444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi71607227226997(Top 25%)731(Top 6%)731(Top 13%)
10K6.21 mi3.10 mi7350-190783-61783-617566(Top 27%)856(Top 7%)856(Top 16%)
15K9.32 mi3.11 mi7221+129757+26757+266997(Top 25%)731(Top 6%)731(Top 13%)
20K12.43 mi3.11 mi6896+325681+76681+766074(Top 21%)566(Top 5%)566(Top 10%)
Half13.11 mi0.68 mi6870+26679+2679+26540(Top 23%)661(Top 5%)661(Top 12%)
25K15.53 mi2.42 mi6603+267637+42637+425658(Top 20%)520(Top 4%)520(Top 10%)
30K18.64 mi3.11 mi6165+438592+45592+454976(Top 18%)445(Top 4%)445(Top 8%)
20M20.00 mi1.36 mi6010+155572+20572+204830(Top 17%)464(Top 4%)464(Top 8%)
21M21.00 mi1.00 mi5850+160543+29543+294476(Top 16%)476(Top 4%)476(Top 9%)
35K21.75 mi0.75 mi5796+545435434959(Top 17%)590(Top 5%)590(Top 11%)
23M23.00 mi1.25 mi5685+111537+6537+65226(Top 18%)740(Top 6%)740(Top 14%)
24M24.00 mi1.00 mi5609+76534+3534+35324(Top 19%)825(Top 7%)825(Top 15%)
40K24.85 mi0.85 mi5547+62532+2532+25396(Top 19%)890(Top 7%)890(Top 16%)
25.2M25.20 mi0.35 mi5508+395325325611(Top 20%)1074(Top 9%)1074(Top 20%)
Finish26.22 mi1.02 mi5444+64531+1531+15234(Top 18%)938(Top 8%)938(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6997

Females

731

F18-39

731

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7566

Females

856

F18-39

856

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6997

Females

731

F18-39

731

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

6074

Females

566

F18-39

566

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6540

Females

661

F18-39

661

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5658

Females

520

F18-39

520

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4976

Females

445

F18-39

445

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4830

Females

464

F18-39

464

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4476

Females

476

F18-39

476

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4959

Females

590

F18-39

590

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5226

Females

740

F18-39

740

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5324

Females

825

F18-39

825

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5396

Females

890

F18-39

890

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5611

Females

1074

F18-39

1074

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5234

Females

938

F18-39

938

Passing Analysis

Category:
Athletes Passed
2300
Passed By
584
Net Change
+1716
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7160
5K → 10K127317-190#7160#7350
10K → 15K21081+129#7350#7221
15K → 20K34621+325#7221#6896
20K → Half4317+26#6896#6870
Half → 25K2769+267#6870#6603
25K → 30K45517+438#6603#6165
30K → 20M1649+155#6165#6010
20M → 21M1699+160#6010#5850
21M → 35K6511+54#5850#5796
35K → 23M13524+111#5796#5685
23M → 24M10024+76#5685#5609
24M → 40K8018+62#5609#5547
40K → 25.2M478+39#5547#5508
25.2M → Finish8319+64#5508#5444
TOTALS2300584+1716
📊

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