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BOSTON MARATHON 2025

Vanessa Sanchez

Bib: 31817•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:12/mi
31:40
↑ 97↓ 3451.5%
10K· 6.21 mi
10:09/mi
1:03:13
↑ 79↓ 1380.4%
15K· 9.32 mi
9:57/mi
1:34:08
↑ 67↓ 78
20K· 12.43 mi
11:23/mi
2:09:31
↑ 106↓ 860.1%
Half· 13.11 mi
9:51/mi
2:16:14
↑ 19↓ 370.5%
25K· 15.53 mi
11:43/mi
2:44:39
↑ 66↓ 880.2%
30K· 18.64 mi
12:45/mi
3:24:16
↑ 181↓ 1480.2%
20M
9:46/mi
3:37:32
↑ 64↓ 500.2%
21M
11:01/mi
3:48:33
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
3:55:24
↑ 17↓ 861.7%
23M
9:53/mi
4:07:47
↑ 23↓ 630.6%
24M
10:30/mi
4:18:17
↓ 821.3%
40K· 24.85 mi
10:35/mi
4:27:20
↓ 200.3%
25.2M
12:17/mi
4:31:34
↑ 13↓ 160.2%
Finish· 26.22 mi
9:23/mi
4:41:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:14
Pace10:24 /mi
2nd Half
Distance13.11 mi
Time2:24:54
Pace11:03 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:1631:4010:1231:40
10:12
-
10K
6.21 mi12:29:491:03:1310:1031:33
10:09
-0:03
15K
9.32 mi13:00:441:34:0810:0630:55
9:57
-0:12
20K
12.43 mi13:36:072:09:3110:2535:23
11:23
+1:26
Half
13.11 mi13:42:502:16:1410:246:43
9:51
-1:32
25K
15.53 mi14:11:152:44:3910:3628:25
11:43
+1:52
30K
18.64 mi14:50:523:24:1610:5739:37
12:45
+1:02
20M
20.00 mi15:04:083:37:3210:5313:16
9:46
-2:59
21M
21.00 mi15:15:093:48:3310:5311:01
11:01
+1:15
35K
21.75 mi15:22:003:55:2410:496:51
9:09
-1:52
23M
23.00 mi15:34:234:07:4710:4612:23
9:53
+0:44
24M
24.00 mi15:44:534:18:1710:4610:30
10:30
+0:37
40K
24.85 mi15:53:564:27:2010:459:03
10:35
+0:05
25.2M
25.20 mi15:58:104:31:3410:474:14
12:17
+1:42
Finish
26.22 mi16:07:444:41:0810:449:34
9:23
-2:54

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

9:09 /mi

Average Pace

10:44 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:25

6% of race

Time at Steady Pace

2:26:03

52% of race

Time at Slower Pace

1:58:40

42% of race

Average Pace: 10:43 /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 mi11:58:1631:4010:1231:40
10:12
#26043
10K
6.21 mi12:29:491:03:1310:1031:33
10:09
#25860
15K
9.32 mi13:00:441:34:0810:0630:55
9:57
#25525
20K
12.43 mi13:36:072:09:3110:2535:23
11:23
#25839
Half
13.11 mi13:42:502:16:1410:246:43
9:51
#25766
25K
15.53 mi14:11:152:44:3910:3628:25
11:43
#25871
30K
18.64 mi14:50:523:24:1610:5739:37
12:45
#25995
20M
20.00 mi15:04:083:37:3210:5313:16
9:46
#25708
21M
21.00 mi15:15:093:48:3310:5311:01
11:01
#25522
35K
21.75 mi15:22:003:55:2410:496:51
9:09
#25390
23M
23.00 mi15:34:234:07:4710:4612:23
9:53
#25176
24M
24.00 mi15:44:534:18:1710:4610:30
10:30
#25104
40K
24.85 mi15:53:564:27:2010:459:03
10:35
#25028
25.2M
25.20 mi15:58:104:31:3410:474:14
12:17
#25013
Finish
26.22 mi16:07:444:41:0810:449:34
9:23
#24931
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26043107841078424897(Top 88%)10165(Top 83%)10165(Top 186%)
10K6.21 mi3.10 mi25860+18310690+9410690+9425626(Top 90%)10592(Top 87%)10592(Top 194%)
15K9.32 mi3.11 mi25525+33510512+17810512+17824897(Top 88%)10165(Top 83%)10165(Top 186%)
20K12.43 mi3.11 mi25839-31410699-18710699-18726492(Top 93%)11089(Top 91%)11089(Top 203%)
Half13.11 mi0.68 mi25766+7310651+4810651+4824460(Top 86%)9981(Top 82%)9981(Top 183%)
25K15.53 mi2.42 mi25871-10510728-7710728-7726111(Top 92%)10919(Top 89%)10919(Top 200%)
30K18.64 mi3.11 mi25995-12410824-9610824-9626426(Top 93%)11185(Top 91%)11185(Top 205%)
20M20.00 mi1.36 mi25708+28710685+13910685+13920147(Top 71%)7887(Top 64%)7887(Top 144%)
21M21.00 mi1.00 mi25522+18610588+9710588+9721426(Top 75%)8675(Top 71%)8675(Top 159%)
35K21.75 mi0.75 mi25390+13210539+4910539+4918939(Top 67%)7436(Top 61%)7436(Top 136%)
23M23.00 mi1.25 mi25176+21410431+10810431+10820100(Top 71%)8112(Top 66%)8112(Top 148%)
24M24.00 mi1.00 mi25104+7210397+3410397+3422793(Top 80%)9539(Top 78%)9539(Top 174%)
40K24.85 mi0.85 mi25028+7610369+2810369+2822125(Top 78%)9275(Top 76%)9275(Top 170%)
25.2M25.20 mi0.35 mi25013+1510362+710362+723692(Top 83%)10024(Top 82%)10024(Top 183%)
Finish26.22 mi1.02 mi24931+8210324+3810324+3820716(Top 73%)8520(Top 70%)8520(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24897

Females

10165

F18-39

10165

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25626

Females

10592

F18-39

10592

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24897

Females

10165

F18-39

10165

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26492

Females

11089

F18-39

11089

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24460

Females

9981

F18-39

9981

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26111

Females

10919

F18-39

10919

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26426

Females

11185

F18-39

11185

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20147

Females

7887

F18-39

7887

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21426

Females

8675

F18-39

8675

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

18939

Females

7436

F18-39

7436

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20100

Females

8112

F18-39

8112

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22793

Females

9539

F18-39

9539

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22125

Females

9275

F18-39

9275

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23692

Females

10024

F18-39

10024

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20716

Females

8520

F18-39

8520

Passing Analysis

Category:
Athletes Passed
1975
Passed By
863
Net Change
+1112
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26043
5K → 10K27693+183#26043#25860
10K → 15K34914+335#25860#25525
15K → 20K55369-314#25525#25839
20K → Half752+73#25839#25766
Half → 25K62167-105#25766#25871
25K → 30K71195-124#25871#25995
30K → 20M2870+287#25995#25708
20M → 21M1860+186#25708#25522
21M → 35K1320+132#25522#25390
35K → 23M2140+214#25390#25176
23M → 24M764+72#25176#25104
24M → 40K8610+76#25104#25028
40K → 25.2M205+15#25028#25013
25.2M → Finish864+82#25013#24931
TOTALS1975863+1112
📊

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