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BOSTON MARATHON 2025

Monica Ferrazzani

Bib: 25844•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
30:05
Rank: #24789
Start → 5K
30:05 | 9:41/mi
10K· 6.21 mi
1:01:26
Rank: #25155 (-366)
5K → 10K
31:21 | 10:05/mi
15K· 9.32 mi
1:34:38
Rank: #25623 (-468)
10K → 15K
33:12 | 10:41/mi
20K· 12.43 mi
2:08:50
Rank: #25728 (-105)
15K → 20K
34:12 | 11:00/mi
Half· 13.11 mi
2:15:46
Rank: #25702 (+26)
20K → Half
6:56 | 10:10/mi
25K· 15.53 mi
2:42:17
Rank: #25610 (+92)
Half → 25K
26:31 | 10:56/mi
30K· 18.64 mi
3:16:58
Rank: #25355 (+255)
25K → 30K
34:41 | 11:10/mi
20M
3:32:55
Rank: #25329 (+26)
30K → 20M
15:57 | 11:44/mi
21M
3:45:48
Rank: #25316 (+13)
20M → 21M
12:53 | 12:53/mi
35K· 21.75 mi
3:54:37
Rank: #25319 (-3)
21M → 35K
8:49 | 11:47/mi
23M
4:09:47
Rank: #25329 (-10)
35K → 23M
15:10 | 12:07/mi
24M
4:21:32
Rank: #25317 (+12)
23M → 24M
11:45 | 11:45/mi
40K· 24.85 mi
4:31:46
Rank: #25313 (+4)
24M → 40K
10:14 | 11:58/mi
25.2M
4:35:57
Rank: #25292 (+21)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:47:27
Rank: #25328 (-36)
25.2M → Finish
11:30 | 11:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:46
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:31:41
Pace11:34 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1130:059:4130:05
9:41
-
10K
6.21 mi12:21:321:01:269:5331:21
10:05
+0:24
15K
9.32 mi12:54:441:34:3810:0933:12
10:41
+0:36
20K
12.43 mi13:28:562:08:5010:2234:12
11:00
+0:19
Half
13.11 mi13:35:522:15:4610:216:56
10:10
-0:50
25K
15.53 mi14:02:232:42:1710:2726:31
10:56
+0:46
30K
18.64 mi14:37:043:16:5810:3434:41
11:10
+0:14
20M
20.00 mi14:53:013:32:5510:3915:57
11:44
+0:34
21M
21.00 mi15:05:543:45:4810:4512:53
12:53
+1:09
35K
21.75 mi15:14:433:54:3710:478:49
11:47
-1:06
23M
23.00 mi15:29:534:09:4710:5215:10
12:07
+0:20
24M
24.00 mi15:41:384:21:3210:5411:45
11:45
-0:22
40K
24.85 mi15:51:524:31:4610:5610:14
11:58
+0:13
25.2M
25.20 mi15:56:034:35:5710:574:11
12:08
+0:10
Finish
26.22 mi16:07:334:47:2710:5811:30
11:17
-0:51

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

9:41 /mi

Average Pace

10:58 /mi

Slowest Pace

12:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:34

35% of race

Time at Steady Pace

1:46:54

37% of race

Time at Slower Pace

1:18:59

27% of race

Average Pace: 10:58 /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 mi11:50:1130:059:4130:05
9:41
#24789
10K
6.21 mi12:21:321:01:269:5331:21
10:05
#25155
15K
9.32 mi12:54:441:34:3810:0933:12
10:41
#25623
20K
12.43 mi13:28:562:08:5010:2234:12
11:00
#25728
Half
13.11 mi13:35:522:15:4610:216:56
10:10
#25702
25K
15.53 mi14:02:232:42:1710:2726:31
10:56
#25610
30K
18.64 mi14:37:043:16:5810:3434:41
11:10
#25355
20M
20.00 mi14:53:013:32:5510:3915:57
11:44
#25329
21M
21.00 mi15:05:543:45:4810:4512:53
12:53
#25316
35K
21.75 mi15:14:433:54:3710:478:49
11:47
#25319
23M
23.00 mi15:29:534:09:4710:5215:10
12:07
#25329
24M
24.00 mi15:41:384:21:3210:5411:45
11:45
#25317
40K
24.85 mi15:51:524:31:4610:5610:14
11:58
#25313
25.2M
25.20 mi15:56:034:35:5710:574:11
12:08
#25292
Finish
26.22 mi16:07:334:47:2710:5811:30
11:17
#25328
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24789101061010626226(Top 92%)10901(Top 89%)10901(Top 199%)
10K6.21 mi3.10 mi25155-36610313-20710313-20725507(Top 90%)10527(Top 86%)10527(Top 192%)
15K9.32 mi3.11 mi25623-46810573-26010573-26026226(Top 92%)10901(Top 89%)10901(Top 199%)
20K12.43 mi3.11 mi25728-10510633-6010633-6026004(Top 92%)10811(Top 88%)10811(Top 198%)
Half13.11 mi0.68 mi25702+2610617+1610617+1625150(Top 89%)10349(Top 85%)10349(Top 189%)
25K15.53 mi2.42 mi25610+9210577+4010577+4025112(Top 88%)10352(Top 85%)10352(Top 189%)
30K18.64 mi3.11 mi25355+25510480+9710480+9724310(Top 86%)10033(Top 82%)10033(Top 183%)
20M20.00 mi1.36 mi25329+2610484-410484-424891(Top 88%)10417(Top 85%)10417(Top 190%)
21M21.00 mi1.00 mi25316+1310481+310481+324897(Top 88%)10516(Top 86%)10516(Top 192%)
35K21.75 mi0.75 mi25319-310496-1510496-1525524(Top 90%)10858(Top 89%)10858(Top 199%)
23M23.00 mi1.25 mi25329-1010511-1510511-1525272(Top 89%)10746(Top 88%)10746(Top 196%)
24M24.00 mi1.00 mi25317+1210513-210513-225313(Top 89%)10781(Top 88%)10781(Top 197%)
40K24.85 mi0.85 mi25313+410520-710520-724869(Top 88%)10617(Top 87%)10617(Top 194%)
25.2M25.20 mi0.35 mi25292+2110511+910511+923450(Top 83%)9896(Top 81%)9896(Top 181%)
Finish26.22 mi1.02 mi25328-3610536-2510536-2525829(Top 91%)11064(Top 90%)11064(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26226

Females

10901

F18-39

10901

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25507

Females

10527

F18-39

10527

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26226

Females

10901

F18-39

10901

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26004

Females

10811

F18-39

10811

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25150

Females

10349

F18-39

10349

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

25112

Females

10352

F18-39

10352

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24310

Females

10033

F18-39

10033

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

24891

Females

10417

F18-39

10417

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24897

Females

10516

F18-39

10516

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25524

Females

10858

F18-39

10858

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25272

Females

10746

F18-39

10746

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25313

Females

10781

F18-39

10781

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24869

Females

10617

F18-39

10617

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23450

Females

9896

F18-39

9896

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25829

Females

11064

F18-39

11064

Passing Analysis

Category:
Athletes Passed
946
Passed By
1485
Net Change
-539
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24789
5K → 10K73439-366#24789#25155
10K → 15K31499-468#25155#25623
15K → 20K94199-105#25623#25728
20K → Half326+26#25728#25702
Half → 25K15058+92#25702#25610
25K → 30K27520+255#25610#25355
30K → 20M6337+26#25355#25329
20M → 21M5037+13#25329#25316
21M → 35K2528-3#25316#25319
35K → 23M3646-10#25319#25329
23M → 24M4735+12#25329#25317
24M → 40K2723+4#25317#25313
40K → 25.2M243+21#25313#25292
25.2M → Finish1955-36#25292#25328
TOTALS9461485-539
📊

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