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BOSTON MARATHON 2025

Vanessa Sella

Bib: 16336•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 14%
Masters (Masters Women)
#0 / 6759
Top 5%
Division (F45-49)
#0 / 1813
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:24
Rank: #9555
Start → 5K
22:24 | 7:13/mi
10K· 6.21 mi
45:03
Rank: #9890 (-335)
5K → 10K
22:39 | 7:17/mi
15K· 9.32 mi
1:07:57
Rank: #10136 (-246)
10K → 15K
22:54 | 7:22/mi
20K· 12.43 mi
1:31:17
Rank: #10267 (-131)
15K → 20K
23:20 | 7:31/mi
Half· 13.11 mi
1:36:14
Rank: #10220 (+47)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:47
Rank: #10353 (-133)
Half → 25K
18:33 | 7:39/mi
30K· 18.64 mi
2:18:51
Rank: #10136 (+217)
25K → 30K
24:04 | 7:45/mi
20M
2:29:21
Rank: #9938 (+198)
30K → 20M
10:30 | 7:44/mi
21M
2:37:31
Rank: #9801 (+137)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:43:12
Rank: #9770 (+31)
21M → 35K
5:41 | 7:36/mi
23M
2:52:43
Rank: #9581 (+189)
35K → 23M
9:31 | 7:36/mi
24M
3:00:00
Rank: #9377 (+204)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
3:06:11
Rank: #9165 (+212)
24M → 40K
6:11 | 7:14/mi
25.2M
3:09:00
Rank: #9095 (+70)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:16:25
Rank: #9000 (+95)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:14
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:40:11
Pace7:39 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2822:247:1322:24
7:13
-
10K
6.21 mi11:19:0745:037:1522:39
7:17
+0:04
15K
9.32 mi11:42:011:07:577:1722:54
7:22
+0:05
20K
12.43 mi12:05:211:31:177:2123:20
7:31
+0:09
Half
13.11 mi12:10:181:36:147:204:57
7:15
-0:16
25K
15.53 mi12:28:511:54:477:2318:33
7:39
+0:24
30K
18.64 mi12:52:552:18:517:2724:04
7:45
+0:06
20M
20.00 mi13:03:252:29:217:2810:30
7:44
-0:01
21M
21.00 mi13:11:352:37:317:308:10
8:10
+0:26
35K
21.75 mi13:17:162:43:127:305:41
7:36
-0:34
23M
23.00 mi13:26:472:52:437:319:31
7:36
0:00
24M
24.00 mi13:34:043:00:007:307:17
7:17
-0:19
40K
24.85 mi13:40:153:06:117:296:11
7:14
-0:03
25.2M
25.20 mi13:43:043:09:007:302:49
8:10
+0:56
Finish
26.22 mi13:50:293:16:257:307:25
7:17
-0:53

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

7:13 /mi

Average Pace

7:30 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:26

94% of race

Time at Steady Pace

10:59

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi10:56:2822:247:1322:24
7:13
#9555
10K
6.21 mi11:19:0745:037:1522:39
7:17
#9890
15K
9.32 mi11:42:011:07:577:1722:54
7:22
#10136
20K
12.43 mi12:05:211:31:177:2123:20
7:31
#10267
Half
13.11 mi12:10:181:36:147:204:57
7:15
#10220
25K
15.53 mi12:28:511:54:477:2318:33
7:39
#10353
30K
18.64 mi12:52:552:18:517:2724:04
7:45
#10136
20M
20.00 mi13:03:252:29:217:2810:30
7:44
#9938
21M
21.00 mi13:11:352:37:317:308:10
8:10
#9801
35K
21.75 mi13:17:162:43:127:305:41
7:36
#9770
23M
23.00 mi13:26:472:52:437:319:31
7:36
#9581
24M
24.00 mi13:34:043:00:007:307:17
7:17
#9377
40K
24.85 mi13:40:153:06:117:296:11
7:14
#9165
25.2M
25.20 mi13:43:043:09:007:302:49
8:10
#9095
Finish
26.22 mi13:50:293:16:257:307:25
7:17
#9000
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi95551610161010609(Top 37%)2174(Top 18%)2174(Top 120%)
10K6.21 mi3.10 mi9890-3351753-1431753-14310279(Top 36%)1954(Top 16%)1954(Top 108%)
15K9.32 mi3.11 mi10136-2461896-1431896-14310609(Top 37%)2174(Top 18%)2174(Top 120%)
20K12.43 mi3.11 mi10267-1311994-981994-9810851(Top 38%)2390(Top 20%)2390(Top 132%)
Half13.11 mi0.68 mi10220+471976+181976+189667(Top 34%)1795(Top 15%)1795(Top 99%)
25K15.53 mi2.42 mi10353-1332068-922068-9211160(Top 39%)2659(Top 22%)2659(Top 147%)
30K18.64 mi3.11 mi10136+2172031+372031+379532(Top 34%)2062(Top 17%)2062(Top 114%)
20M20.00 mi1.36 mi9938+1981958+731958+738569(Top 30%)1779(Top 15%)1779(Top 98%)
21M21.00 mi1.00 mi9801+1371930+281930+288401(Top 30%)1897(Top 16%)1897(Top 105%)
35K21.75 mi0.75 mi9770+311941-111941-119339(Top 33%)2280(Top 19%)2280(Top 126%)
23M23.00 mi1.25 mi9581+1891894+471894+477288(Top 26%)1524(Top 12%)1524(Top 84%)
24M24.00 mi1.00 mi9377+2041837+571837+576355(Top 22%)1213(Top 10%)1213(Top 67%)
40K24.85 mi0.85 mi9165+2121782+551782+555275(Top 19%)874(Top 7%)874(Top 48%)
25.2M25.20 mi0.35 mi9095+701764+181764+186949(Top 24%)1621(Top 13%)1621(Top 89%)
Finish26.22 mi1.02 mi9000+951769-51769-57645(Top 27%)1917(Top 16%)1917(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10609

Females

2174

F45-49

2174

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10279

Females

1954

F45-49

1954

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10609

Females

2174

F45-49

2174

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10851

Females

2390

F45-49

2390

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9667

Females

1795

F45-49

1795

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11160

Females

2659

F45-49

2659

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9532

Females

2062

F45-49

2062

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8569

Females

1779

F45-49

1779

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8401

Females

1897

F45-49

1897

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9339

Females

2280

F45-49

2280

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7288

Females

1524

F45-49

1524

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6355

Females

1213

F45-49

1213

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5275

Females

874

F45-49

874

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6949

Females

1621

F45-49

1621

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7645

Females

1917

F45-49

1917

Passing Analysis

Category:
Athletes Passed
2189*
Passed By
1629
Net Change
+555
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9555
5K → 10K117451-335#9555#9890
10K → 15K102346-246#9890#10136
15K → 20K138268-131#10136#10267
20K → Half5912+47#10267#10220
Half → 25K123256-133#10220#10353
25K → 30K338120+217#10353#10136
30K → 20M222*24+198#10136#9938
20M → 21M17235+137#9938#9801
21M → 35K7948+31#9801#9770
35K → 23M20819+189#9770#9581
23M → 24M2106+204#9581#9377
24M → 40K2186+212#9377#9165
40K → 25.2M733+70#9165#9095
25.2M → Finish13035+95#9095#9000
TOTALS2189*1629+555

* 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