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BOSTON MARATHON 2025

Chloe Ferrucci

Bib: 28426•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
32:13
Rank: #26458
Start → 5K
10:22/mi
32:13 split
10K· 6.21 mi
1:03:01
Rank: #25751 (+707)
5K → 10K
9:55/mi
30:48 split
15K· 9.32 mi
1:33:22
Rank: #25329 (+422)
10K → 15K
9:46/mi
30:21 split
20K· 12.43 mi
2:03:54
Rank: #24947 (+382)
15K → 20K
9:50/mi
30:32 split
Half· 13.11 mi
2:11:06
Rank: #24999 (-52)
20K → Half
10:33/mi
7:12 split
25K· 15.53 mi
2:36:03
Rank: #24810 (+189)
Half → 25K
10:17/mi
24:57 split
30K· 18.64 mi
3:10:28
Rank: #24688 (+122)
25K → 30K
11:05/mi
34:25 split
20M
3:24:56
Rank: #24582 (+106)
30K → 20M
10:39/mi
14:28 split
21M
3:35:39
Rank: #24389 (+193)
20M → 21M
10:43/mi
10:43 split
35K· 21.75 mi
3:43:06
Rank: #24294 (+95)
21M → 35K
9:57/mi
7:27 split
23M
3:56:02
Rank: #24155 (+139)
35K → 23M
10:20/mi
12:56 split
24M
4:06:10
Rank: #24057 (+98)
23M → 24M
10:08/mi
10:08 split
40K· 24.85 mi
4:15:05
Rank: #23989 (+68)
24M → 40K
10:26/mi
8:55 split
25.2M
4:18:51
Rank: #23943 (+46)
40K → 25.2M
10:55/mi
3:46 split
Finish· 26.22 mi
4:28:27
Rank: #23861 (+82)
25.2M → Finish
9:25/mi
9:36 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:06
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time2:17:21
Pace10:29 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5032:1310:2232:13
10:22
-
10K
6.21 mi12:21:381:03:0110:0830:48
9:55
-0:27
15K
9.32 mi12:51:591:33:2210:0130:21
9:46
-0:09
20K
12.43 mi13:22:312:03:549:5830:32
9:50
+0:04
Half
13.11 mi13:29:432:11:0610:007:12
10:33
+0:43
25K
15.53 mi13:54:402:36:0310:0324:57
10:17
-0:16
30K
18.64 mi14:29:053:10:2810:1334:25
11:05
+0:48
20M
20.00 mi14:43:333:24:5610:1514:28
10:39
-0:26
21M
21.00 mi14:54:163:35:3910:1610:43
10:43
+0:04
35K
21.75 mi15:01:433:43:0610:167:27
9:57
-0:46
23M
23.00 mi15:14:393:56:0210:1612:56
10:20
+0:23
24M
24.00 mi15:24:474:06:1010:1510:08
10:08
-0:12
40K
24.85 mi15:33:424:15:0510:168:55
10:26
+0:18
25.2M
25.20 mi15:37:284:18:5110:163:46
10:55
+0:29
Finish
26.22 mi15:47:044:28:2710:159:36
9:25
-1:30

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

9:25 /mi

Average Pace

10:15 /mi

Slowest Pace

11:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:45

58% of race

Time at Steady Pace

1:51:42

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:14 /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 mi11:50:5032:1310:2232:13
10:22
#26458
10K
6.21 mi12:21:381:03:0110:0830:48
9:55
#25751
15K
9.32 mi12:51:591:33:2210:0130:21
9:46
#25329
20K
12.43 mi13:22:312:03:549:5830:32
9:50
#24947
Half
13.11 mi13:29:432:11:0610:007:12
10:33
#24999
25K
15.53 mi13:54:402:36:0310:0324:57
10:17
#24810
30K
18.64 mi14:29:053:10:2810:1334:25
11:05
#24688
20M
20.00 mi14:43:333:24:5610:1514:28
10:39
#24582
21M
21.00 mi14:54:163:35:3910:1610:43
10:43
#24389
35K
21.75 mi15:01:433:43:0610:167:27
9:57
#24294
23M
23.00 mi15:14:393:56:0210:1612:56
10:20
#24155
24M
24.00 mi15:24:474:06:1010:1510:08
10:08
#24057
40K
24.85 mi15:33:424:15:0510:168:55
10:26
#23989
25.2M
25.20 mi15:37:284:18:5110:163:46
10:55
#23943
Finish
26.22 mi15:47:044:28:2710:159:36
9:25
#23861
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26458110081100824482(Top 86%)9944(Top 81%)9944(Top 182%)
10K6.21 mi3.10 mi25751+70710634+37410634+37425128(Top 88%)10303(Top 84%)10303(Top 188%)
15K9.32 mi3.11 mi25329+42210403+23110403+23124482(Top 86%)9944(Top 81%)9944(Top 182%)
20K12.43 mi3.11 mi24947+38210208+19510208+19523839(Top 84%)9625(Top 79%)9625(Top 176%)
Half13.11 mi0.68 mi24999-5210239-3110239-3125891(Top 91%)10762(Top 88%)10762(Top 197%)
25K15.53 mi2.42 mi24810+18910152+8710152+8723935(Top 84%)9707(Top 79%)9707(Top 177%)
30K18.64 mi3.11 mi24688+12210107+4510107+4524147(Top 85%)9945(Top 81%)9945(Top 182%)
20M20.00 mi1.36 mi24582+10610062+4510062+4522827(Top 80%)9333(Top 76%)9333(Top 171%)
21M21.00 mi1.00 mi24389+1939974+889974+8820666(Top 73%)8282(Top 68%)8282(Top 151%)
35K21.75 mi0.75 mi24294+959936+389936+3821817(Top 77%)8951(Top 73%)8951(Top 164%)
23M23.00 mi1.25 mi24155+1399883+539883+5321537(Top 76%)8843(Top 72%)8843(Top 162%)
24M24.00 mi1.00 mi24057+989844+399844+3921776(Top 77%)9025(Top 74%)9025(Top 165%)
40K24.85 mi0.85 mi23989+689823+219823+2121743(Top 77%)9068(Top 74%)9068(Top 166%)
25.2M25.20 mi0.35 mi23943+469800+239800+2320460(Top 72%)8408(Top 69%)8408(Top 154%)
Finish26.22 mi1.02 mi23861+829764+369764+3620924(Top 74%)8627(Top 71%)8627(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

24482

Females

9944

F18-39

9944

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

25128

Females

10303

F18-39

10303

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

24482

Females

9944

F18-39

9944

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23839

Females

9625

F18-39

9625

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25891

Females

10762

F18-39

10762

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23935

Females

9707

F18-39

9707

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24147

Females

9945

F18-39

9945

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22827

Females

9333

F18-39

9333

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20666

Females

8282

F18-39

8282

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21817

Females

8951

F18-39

8951

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21537

Females

8843

F18-39

8843

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21776

Females

9025

F18-39

9025

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21743

Females

9068

F18-39

9068

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20460

Females

8408

F18-39

8408

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

20924

Females

8627

F18-39

8627

Passing Analysis

Category:
Athletes Passed
2839
Passed By
242
Net Change
+2597
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26458
5K → 10K7125+707#26458#25751
10K → 15K43412+422#25751#25329
15K → 20K3908+382#25329#24947
20K → Half1870-52#24947#24999
Half → 25K20819+189#24999#24810
25K → 30K19371+122#24810#24688
30K → 20M11711+106#24688#24582
20M → 21M1941+193#24582#24389
21M → 35K972+95#24389#24294
35K → 23M1478+139#24294#24155
23M → 24M1057+98#24155#24057
24M → 40K8315+68#24057#23989
40K → 25.2M471+46#23989#23943
25.2M → Finish9412+82#23943#23861
TOTALS2839242+2597
📊

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