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BOSTON MARATHON 2025

Claudia Ferrara

MA

Bib: 25734 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
11:12/mi
34:48
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
11:20/mi
1:10:02
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:58/mi
1:44:06
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:51/mi
2:17:50
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:30/mi
2:25:00
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:37/mi
2:53:11
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
13:16/mi
3:34:23
↑ 181↓ 1480.2%
138 ft elev
20M
14:11/mi
3:53:40
↑ 64↓ 500.2%
148 ft elev
21M
13:56/mi
4:07:36
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:51/mi
4:17:58
↑ 17↓ 861.7%
156 ft elev
23M
13:54/mi
4:35:22
↑ 23↓ 630.6%
116 ft elev
24M
13:32/mi
4:48:54
↓ 821.3%
34 ft elev
40K· 24.85 mi
13:09/mi
5:00:09
↓ 200.3%
20 ft elev
25.2M
12:25/mi
5:04:26
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:48/mi
5:15:26
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:00
Pace11:04 /mi
2nd Half
Distance13.11 mi
Time2:50:26
Pace13:00 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0434:4811:1234:48
11:12
-
10K
6.21 mi12:25:181:10:0211:1635:14
11:20
+0:08
15K
9.32 mi12:59:221:44:0611:1034:04
10:58
-0:22
20K
12.43 mi13:33:062:17:5011:0533:44
10:51
-0:07
Half
13.11 mi13:40:162:25:0011:047:10
10:30
-0:21
25K
15.53 mi14:08:272:53:1111:0928:11
11:37
+1:07
30K
18.64 mi14:49:393:34:2311:3041:12
13:16
+1:39
20M
20.00 mi15:08:563:53:4011:4119:17
14:11
+0:55
21M
21.00 mi15:22:524:07:3611:4713:56
13:56
-0:15
35K
21.75 mi15:33:144:17:5811:5210:22
13:51
-0:05
23M
23.00 mi15:50:384:35:2211:5817:24
13:54
+0:03
24M
24.00 mi16:04:104:48:5412:0213:32
13:32
-0:22
40K
24.85 mi16:15:255:00:0912:0511:15
13:09
-0:23
25.2M
25.20 mi16:19:425:04:2612:054:17
12:25
-0:44
Finish
26.22 mi16:30:425:15:2612:0211:00
10:48
-1:37

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

10:30 /mi

Average Pace

12:02 /mi

Slowest Pace

14:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:11

58% of race

Time at Steady Pace

4:17

1% of race

Time at Slower Pace

2:06:58

40% of race

Average Pace: 12:02 /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 mi11:50:0434:4811:1234:48
11:12
#27763
10K
6.21 mi12:25:181:10:0211:1635:14
11:20
#27618
15K
9.32 mi12:59:221:44:0611:1034:04
10:58
#27278
20K
12.43 mi13:33:062:17:5011:0533:44
10:51
#26912
Half
13.11 mi13:40:162:25:0011:047:10
10:30
#26855
25K
15.53 mi14:08:272:53:1111:0928:11
11:37
#26708
30K
18.64 mi14:49:393:34:2311:3041:12
13:16
#26772
20M
20.00 mi15:08:563:53:4011:4119:17
14:11
#26880
21M
21.00 mi15:22:524:07:3611:4713:56
13:56
#26850
35K
21.75 mi15:33:144:17:5811:5210:22
13:51
#26905
23M
23.00 mi15:50:384:35:2211:5817:24
13:54
#26949
24M
24.00 mi16:04:104:48:5412:0213:32
13:32
#26976
40K
24.85 mi16:15:255:00:0912:0511:15
13:09
#26956
25.2M
25.20 mi16:19:425:04:2612:054:17
12:25
#26923
Finish
26.22 mi16:30:425:15:2612:0211:00
10:48
#26870
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27763118041180426631(Top 94%)11152(Top 91%)11152(Top 204%)
10K6.21 mi3.10 mi27618+14511713+9111713+9127433(Top 97%)11627(Top 95%)11627(Top 213%)
15K9.32 mi3.11 mi27278+34011513+20011513+20026631(Top 94%)11152(Top 91%)11152(Top 204%)
20K12.43 mi3.11 mi26912+36611315+19811315+19825791(Top 91%)10694(Top 87%)10694(Top 196%)
Half13.11 mi0.68 mi26855+5711278+3711278+3725797(Top 91%)10720(Top 88%)10720(Top 196%)
25K15.53 mi2.42 mi26708+14711203+7511203+7526004(Top 92%)10867(Top 89%)10867(Top 199%)
30K18.64 mi3.11 mi26772-6411270-6711270-6726926(Top 95%)11447(Top 94%)11447(Top 209%)
20M20.00 mi1.36 mi26880-10811338-6811338-6827418(Top 97%)11774(Top 96%)11774(Top 215%)
21M21.00 mi1.00 mi26850+3011325+1311325+1326158(Top 92%)11133(Top 91%)11133(Top 204%)
35K21.75 mi0.75 mi26905-5511358-3311358-3327605(Top 97%)11911(Top 97%)11911(Top 218%)
23M23.00 mi1.25 mi26949-4411390-3211390-3227234(Top 96%)11723(Top 96%)11723(Top 214%)
24M24.00 mi1.00 mi26976-2711416-2611416-2627354(Top 96%)11828(Top 97%)11828(Top 216%)
40K24.85 mi0.85 mi26956+20114161141626447(Top 93%)11359(Top 93%)11359(Top 208%)
25.2M25.20 mi0.35 mi26923+3311400+1611400+1624012(Top 85%)10188(Top 83%)10188(Top 186%)
Finish26.22 mi1.02 mi26870+5311378+2211378+2224929(Top 88%)10628(Top 87%)10628(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

26631

Females

11152

F18-39

11152

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

27433

Females

11627

F18-39

11627

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

26631

Females

11152

F18-39

11152

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25791

Females

10694

F18-39

10694

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25797

Females

10720

F18-39

10720

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26004

Females

10867

F18-39

10867

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

26926

Females

11447

F18-39

11447

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27418

Females

11774

F18-39

11774

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26158

Females

11133

F18-39

11133

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27605

Females

11911

F18-39

11911

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27234

Females

11723

F18-39

11723

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27354

Females

11828

F18-39

11828

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26447

Females

11359

F18-39

11359

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24012

Females

10188

F18-39

10188

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24929

Females

10628

F18-39

10628

Passing Analysis

Category:
Athletes Passed
1407
Passed By
514
Net Change
+893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27763
5K → 10K18136+145#27763#27618
10K → 15K3433+340#27618#27278
15K → 20K3660+366#27278#26912
20K → Half592+57#26912#26855
Half → 25K17023+147#26855#26708
25K → 30K66130-64#26708#26772
30K → 20M11119-108#26772#26880
20M → 21M4818+30#26880#26850
21M → 35K661-55#26850#26905
35K → 23M2165-44#26905#26949
23M → 24M1441-27#26949#26976
24M → 40K3313+20#26976#26956
40K → 25.2M330+33#26956#26923
25.2M → Finish563+53#26923#26870
TOTALS1407514+893
📊

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