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BOSTON MARATHON 2025

Giada Dal Cortivo

Bib: 16490•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Division (F18-39)
#0 / 5469
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:55
Rank: #11116
Start → 5K
22:55 | 7:23/mi
10K· 6.21 mi
45:37
Rank: #10692 (+424)
5K → 10K
22:42 | 7:18/mi
15K· 9.32 mi
1:08:13
Rank: #10373 (+319)
10K → 15K
22:36 | 7:16/mi
20K· 12.43 mi
1:31:03
Rank: #10100 (+273)
15K → 20K
22:50 | 7:21/mi
Half· 13.11 mi
1:35:57
Rank: #10042 (+58)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:54:06
Rank: #9957 (+85)
Half → 25K
18:09 | 7:29/mi
30K· 18.64 mi
2:18:17
Rank: #9858 (+99)
25K → 30K
24:11 | 7:47/mi
20M
2:28:57
Rank: #9777 (+81)
30K → 20M
10:40 | 7:51/mi
21M
2:37:09
Rank: #9671 (+106)
20M → 21M
8:12 | 8:12/mi
35K· 21.75 mi
2:42:36
Rank: #9554 (+117)
21M → 35K
5:27 | 7:17/mi
23M
2:52:04
Rank: #9343 (+211)
35K → 23M
9:28 | 7:34/mi
24M
2:59:20
Rank: #9144 (+199)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
3:05:39
Rank: #8964 (+180)
24M → 40K
6:19 | 7:23/mi
25.2M
3:08:29
Rank: #8923 (+41)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:15:52
Rank: #8831 (+92)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:57
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:39:55
Pace7:37 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2422:557:2322:55
7:23
-
10K
6.21 mi11:19:0645:377:2022:42
7:18
-0:05
15K
9.32 mi11:41:421:08:137:1922:36
7:16
-0:02
20K
12.43 mi12:04:321:31:037:2022:50
7:21
+0:05
Half
13.11 mi12:09:261:35:577:194:54
7:11
-0:10
25K
15.53 mi12:27:351:54:067:2118:09
7:29
+0:18
30K
18.64 mi12:51:462:18:177:2524:11
7:47
+0:18
20M
20.00 mi13:02:262:28:577:2710:40
7:51
+0:04
21M
21.00 mi13:10:382:37:097:298:12
8:12
+0:21
35K
21.75 mi13:16:052:42:367:295:27
7:17
-0:55
23M
23.00 mi13:25:332:52:047:299:28
7:34
+0:17
24M
24.00 mi13:32:492:59:207:287:16
7:16
-0:18
40K
24.85 mi13:39:083:05:397:286:19
7:23
+0:07
25.2M
25.20 mi13:41:583:08:297:292:50
8:13
+0:50
Finish
26.22 mi13:49:213:15:527:297:23
7:15
-0:58

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

7:11 /mi

Average Pace

7:29 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:50

94% of race

Time at Steady Pace

11:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /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 mi10:56:2422:557:2322:55
7:23
#11116
10K
6.21 mi11:19:0645:377:2022:42
7:18
#10692
15K
9.32 mi11:41:421:08:137:1922:36
7:16
#10373
20K
12.43 mi12:04:321:31:037:2022:50
7:21
#10100
Half
13.11 mi12:09:261:35:577:194:54
7:11
#10042
25K
15.53 mi12:27:351:54:067:2118:09
7:29
#9957
30K
18.64 mi12:51:462:18:177:2524:11
7:47
#9858
20M
20.00 mi13:02:262:28:577:2710:40
7:51
#9777
21M
21.00 mi13:10:382:37:097:298:12
8:12
#9671
35K
21.75 mi13:16:052:42:367:295:27
7:17
#9554
23M
23.00 mi13:25:332:52:047:299:28
7:34
#9343
24M
24.00 mi13:32:492:59:207:287:16
7:16
#9144
40K
24.85 mi13:39:083:05:397:286:19
7:23
#8964
25.2M
25.20 mi13:41:583:08:297:292:50
8:13
#8923
Finish
26.22 mi13:49:213:15:527:297:23
7:15
#8831
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11116233523359788(Top 34%)1790(Top 15%)1790(Top 33%)
10K6.21 mi3.10 mi10692+4242153+1822153+18210414(Top 37%)2021(Top 17%)2021(Top 37%)
15K9.32 mi3.11 mi10373+3192009+1442009+1449788(Top 34%)1790(Top 15%)1790(Top 33%)
20K12.43 mi3.11 mi10100+2731912+971912+979467(Top 33%)1720(Top 14%)1720(Top 31%)
Half13.11 mi0.68 mi10042+581889+231889+239009(Top 32%)1510(Top 12%)1510(Top 28%)
25K15.53 mi2.42 mi9957+851881+81881+89853(Top 35%)2039(Top 17%)2039(Top 37%)
30K18.64 mi3.11 mi9858+991896-151896-159814(Top 35%)2195(Top 18%)2195(Top 40%)
20M20.00 mi1.36 mi9777+811892+41892+49377(Top 33%)2156(Top 18%)2156(Top 39%)
21M21.00 mi1.00 mi9671+1061868+241868+248611(Top 30%)1985(Top 16%)1985(Top 36%)
35K21.75 mi0.75 mi9554+1171835+331835+337191(Top 25%)1368(Top 11%)1368(Top 25%)
23M23.00 mi1.25 mi9343+2111790+451790+457022(Top 25%)1414(Top 12%)1414(Top 26%)
24M24.00 mi1.00 mi9144+1991729+611729+616263(Top 22%)1178(Top 10%)1178(Top 22%)
40K24.85 mi0.85 mi8964+1801693+361693+366173(Top 22%)1213(Top 10%)1213(Top 22%)
25.2M25.20 mi0.35 mi8923+411698-51698-57223(Top 25%)1739(Top 14%)1739(Top 32%)
Finish26.22 mi1.02 mi8831+921696+21696+27395(Top 26%)1815(Top 15%)1815(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9788

Females

1790

F18-39

1790

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10414

Females

2021

F18-39

2021

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9788

Females

1790

F18-39

1790

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9467

Females

1720

F18-39

1720

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

9009

Females

1510

F18-39

1510

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9853

Females

2039

F18-39

2039

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9814

Females

2195

F18-39

2195

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9377

Females

2156

F18-39

2156

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8611

Females

1985

F18-39

1985

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7191

Females

1368

F18-39

1368

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7022

Females

1414

F18-39

1414

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6263

Females

1178

F18-39

1178

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6173

Females

1213

F18-39

1213

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7223

Females

1739

F18-39

1739

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7395

Females

1815

F18-39

1815

Passing Analysis

Category:
Athletes Passed
2956*
Passed By
669
Net Change
+2285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11116
5K → 10K528104+424#11116#10692
10K → 15K35738+319#10692#10373
15K → 20K32046+273#10373#10100
20K → Half668+58#10100#10042
Half → 25K190*105+85#10042#9957
25K → 30K275176+99#9957#9858
30K → 20M14866+81#9858#9777
20M → 21M14236+106#9777#9671
21M → 35K1247+117#9671#9554
35K → 23M22514+211#9554#9343
23M → 24M20910+199#9343#9144
24M → 40K19212+180#9144#8964
40K → 25.2M5817+41#8964#8923
25.2M → Finish12230+92#8923#8831
TOTALS2956*669+2285

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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