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BOSTON MARATHON 2025

Sylvia Canestrari

Bib: 31091•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
30:27
Rank: #25095
Start → 5K
30:27 | 9:48/mi
10K· 6.21 mi
59:31
Rank: #24397 (+698)
5K → 10K
29:04 | 9:21/mi
15K· 9.32 mi
1:26:47
Rank: #23476 (+921)
10K → 15K
27:16 | 8:47/mi
20K· 12.43 mi
1:54:15
Rank: #22753 (+723)
15K → 20K
27:28 | 8:50/mi
Half· 13.11 mi
2:00:09
Rank: #22630 (+123)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:22:30
Rank: #22341 (+289)
Half → 25K
22:21 | 9:13/mi
30K· 18.64 mi
2:52:23
Rank: #21969 (+372)
25K → 30K
29:53 | 9:37/mi
20M
3:05:30
Rank: #21777 (+192)
30K → 20M
13:07 | 9:39/mi
21M
3:15:21
Rank: #21544 (+233)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:21:56
Rank: #21396 (+148)
21M → 35K
6:35 | 8:48/mi
23M
3:33:37
Rank: #21173 (+223)
35K → 23M
11:41 | 9:20/mi
24M
3:42:48
Rank: #21044 (+129)
23M → 24M
9:11 | 9:11/mi
40K· 24.85 mi
3:50:34
Rank: #20917 (+127)
24M → 40K
7:46 | 9:05/mi
25.2M
3:53:47
Rank: #20816 (+101)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
4:02:27
Rank: #20697 (+119)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:09
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:02:18
Pace9:20 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3130:279:4830:27
9:48
-
10K
6.21 mi12:23:3559:319:3529:04
9:21
-0:27
15K
9.32 mi12:50:511:26:479:1927:16
8:47
-0:34
20K
12.43 mi13:18:191:54:159:1227:28
8:50
+0:03
Half
13.11 mi13:24:132:00:099:105:54
8:39
-0:11
25K
15.53 mi13:46:342:22:309:1022:21
9:13
+0:34
30K
18.64 mi14:16:272:52:239:1529:53
9:37
+0:24
20M
20.00 mi14:29:343:05:309:1613:07
9:39
+0:02
21M
21.00 mi14:39:253:15:219:189:51
9:51
+0:12
35K
21.75 mi14:46:003:21:569:176:35
8:48
-1:03
23M
23.00 mi14:57:413:33:379:1711:41
9:20
+0:32
24M
24.00 mi15:06:523:42:489:179:11
9:11
-0:09
40K
24.85 mi15:14:383:50:349:177:46
9:05
-0:06
25.2M
25.20 mi15:17:513:53:479:173:13
9:20
+0:15
Finish
26.22 mi15:26:314:02:279:158:40
8:30
-0:50

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

8:30 /mi

Average Pace

9:15 /mi

Slowest Pace

9:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:05

54% of race

Time at Steady Pace

1:52:22

46% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:15 /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 mi11:54:3130:279:4830:27
9:48
#25095
10K
6.21 mi12:23:3559:319:3529:04
9:21
#24397
15K
9.32 mi12:50:511:26:479:1927:16
8:47
#23476
20K
12.43 mi13:18:191:54:159:1227:28
8:50
#22753
Half
13.11 mi13:24:132:00:099:105:54
8:39
#22630
25K
15.53 mi13:46:342:22:309:1022:21
9:13
#22341
30K
18.64 mi14:16:272:52:239:1529:53
9:37
#21969
20M
20.00 mi14:29:343:05:309:1613:07
9:39
#21777
21M
21.00 mi14:39:253:15:219:189:51
9:51
#21544
35K
21.75 mi14:46:003:21:569:176:35
8:48
#21396
23M
23.00 mi14:57:413:33:379:1711:41
9:20
#21173
24M
24.00 mi15:06:523:42:489:179:11
9:11
#21044
40K
24.85 mi15:14:383:50:349:177:46
9:05
#20917
25.2M
25.20 mi15:17:513:53:479:173:13
9:20
#20816
Finish
26.22 mi15:26:314:02:279:158:40
8:30
#20697
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25095102561025620924(Top 74%)7956(Top 65%)7956(Top 145%)
10K6.21 mi3.10 mi24397+6989894+3629894+36223705(Top 83%)9519(Top 78%)9519(Top 174%)
15K9.32 mi3.11 mi23476+9219397+4979397+49720924(Top 74%)7956(Top 65%)7956(Top 145%)
20K12.43 mi3.11 mi22753+7238984+4138984+41320170(Top 71%)7578(Top 62%)7578(Top 139%)
Half13.11 mi0.68 mi22630+1238916+688916+6820113(Top 71%)7553(Top 62%)7553(Top 138%)
25K15.53 mi2.42 mi22341+2898780+1368780+13620850(Top 73%)8007(Top 65%)8007(Top 146%)
30K18.64 mi3.11 mi21969+3728606+1748606+17420428(Top 72%)7891(Top 65%)7891(Top 144%)
20M20.00 mi1.36 mi21777+1928514+928514+9219798(Top 70%)7678(Top 63%)7678(Top 140%)
21M21.00 mi1.00 mi21544+2338414+1008414+10017731(Top 62%)6664(Top 54%)6664(Top 122%)
35K21.75 mi0.75 mi21396+1488347+678347+6717311(Top 61%)6546(Top 54%)6546(Top 120%)
23M23.00 mi1.25 mi21173+2238255+928255+9217961(Top 63%)6976(Top 57%)6976(Top 128%)
24M24.00 mi1.00 mi21044+1298214+418214+4118302(Top 64%)7204(Top 59%)7204(Top 132%)
40K24.85 mi0.85 mi20917+1278156+588156+5816824(Top 59%)6504(Top 53%)6504(Top 119%)
25.2M25.20 mi0.35 mi20816+1018110+468110+4613740(Top 48%)4920(Top 40%)4920(Top 90%)
Finish26.22 mi1.02 mi20697+1198051+598051+5916301(Top 57%)6205(Top 51%)6205(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20924

Females

7956

F18-39

7956

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

23705

Females

9519

F18-39

9519

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20924

Females

7956

F18-39

7956

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20170

Females

7578

F18-39

7578

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20113

Females

7553

F18-39

7553

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20850

Females

8007

F18-39

8007

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20428

Females

7891

F18-39

7891

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19798

Females

7678

F18-39

7678

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17731

Females

6664

F18-39

6664

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17311

Females

6546

F18-39

6546

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17961

Females

6976

F18-39

6976

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18302

Females

7204

F18-39

7204

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16824

Females

6504

F18-39

6504

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13740

Females

4920

F18-39

4920

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16301

Females

6205

F18-39

6205

Passing Analysis

Category:
Athletes Passed
4526
Passed By
128
Net Change
+4398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25095
5K → 10K71719+698#25095#24397
10K → 15K9243+921#24397#23476
15K → 20K7241+723#23476#22753
20K → Half1285+123#22753#22630
Half → 25K30920+289#22630#22341
25K → 30K40836+372#22341#21969
30K → 20M20210+192#21969#21777
20M → 21M2352+233#21777#21544
21M → 35K1524+148#21544#21396
35K → 23M2318+223#21396#21173
23M → 24M14011+129#21173#21044
24M → 40K1325+127#21044#20917
40K → 25.2M1021+101#20917#20816
25.2M → Finish1223+119#20816#20697
TOTALS4526128+4398
📊

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