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BOSTON MARATHON 2025

Lindsey Vaillancourt

Bib: 26096•F

UT

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
10:08/mi
31:28
↑ 97↓ 3451.5%
10K· 6.21 mi
10:33/mi
1:04:16
↑ 79↓ 1380.4%
15K· 9.32 mi
11:47/mi
1:40:52
↑ 67↓ 78
20K· 12.43 mi
12:04/mi
2:18:20
↑ 106↓ 860.1%
Half· 13.11 mi
12:08/mi
2:26:37
↑ 19↓ 370.5%
25K· 15.53 mi
14:07/mi
3:00:51
↑ 66↓ 880.2%
30K· 18.64 mi
15:40/mi
3:49:30
↑ 181↓ 1480.2%
20M
15:11/mi
4:10:08
↑ 64↓ 500.2%
21M
16:21/mi
4:26:29
↑ 106↓ 241.6%
35K· 21.75 mi
14:02/mi
4:36:59
↑ 17↓ 861.7%
23M
14:34/mi
4:55:13
↑ 23↓ 630.6%
24M
13:16/mi
5:08:29
↓ 821.3%
40K· 24.85 mi
14:13/mi
5:20:38
↓ 200.3%
25.2M
14:15/mi
5:25:33
↑ 13↓ 160.2%
Finish· 26.22 mi
12:13/mi
5:38:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:37
Pace11:11 /mi
2nd Half
Distance13.11 mi
Time3:11:23
Pace14:36 /mi
📊Positive Split: 30.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1331:2810:0831:28
10:08
-
10K
6.21 mi12:20:011:04:1610:2132:48
10:33
+0:25
15K
9.32 mi12:56:371:40:5210:4936:36
11:47
+1:14
20K
12.43 mi13:34:052:18:2011:0837:28
12:04
+0:17
Half
13.11 mi13:42:222:26:3711:118:17
12:08
+0:04
25K
15.53 mi14:16:363:00:5111:3934:14
14:07
+1:59
30K
18.64 mi15:05:153:49:3012:1948:39
15:40
+1:33
20M
20.00 mi15:25:534:10:0812:3020:38
15:11
-0:29
21M
21.00 mi15:42:144:26:2912:4116:21
16:21
+1:10
35K
21.75 mi15:52:444:36:5912:4410:30
14:02
-2:19
23M
23.00 mi16:10:584:55:1312:5018:14
14:34
+0:32
24M
24.00 mi16:24:145:08:2912:5113:16
13:16
-1:18
40K
24.85 mi16:36:235:20:3812:5412:09
14:13
+0:57
25.2M
25.20 mi16:41:185:25:3312:554:55
14:15
+0:02
Finish
26.22 mi16:53:455:38:0012:5412:27
12:13
-2:02

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

10:08 /mi

Average Pace

12:54 /mi

Slowest Pace

16:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:04

47% of race

Time at Steady Pace

1:33:18

28% of race

Time at Slower Pace

1:25:38

25% of race

Average Pace: 12:53 /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 mi11:47:1331:2810:0831:28
10:08
#25888
10K
6.21 mi12:20:011:04:1610:2132:48
10:33
#26178
15K
9.32 mi12:56:371:40:5210:4936:36
11:47
#26824
20K
12.43 mi13:34:052:18:2011:0837:28
12:04
#26967
Half
13.11 mi13:42:222:26:3711:118:17
12:08
#27002
25K
15.53 mi14:16:363:00:5111:3934:14
14:07
#27252
30K
18.64 mi15:05:153:49:3012:1948:39
15:40
#27583
20M
20.00 mi15:25:534:10:0812:3020:38
15:11
#27622
21M
21.00 mi15:42:144:26:2912:4116:21
16:21
#27661
35K
21.75 mi15:52:444:36:5912:4410:30
14:02
#27680
23M
23.00 mi16:10:584:55:1312:5018:14
14:34
#27700
24M
24.00 mi16:24:145:08:2912:5113:16
13:16
#27686
40K
24.85 mi16:36:235:20:3812:5412:09
14:13
#27697
25.2M
25.20 mi16:41:185:25:3312:554:55
14:15
#27686
Finish
26.22 mi16:53:455:38:0012:5412:27
12:13
#27663
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25888107011070127472(Top 97%)11663(Top 95%)11663(Top 213%)
10K6.21 mi3.10 mi26178-29010870-16910870-16926373(Top 93%)10998(Top 90%)10998(Top 201%)
15K9.32 mi3.11 mi26824-64611248-37811248-37827472(Top 97%)11663(Top 95%)11663(Top 213%)
20K12.43 mi3.11 mi26967-14311351-10311351-10327161(Top 96%)11493(Top 94%)11493(Top 210%)
Half13.11 mi0.68 mi27002-3511373-2211373-2227546(Top 97%)11739(Top 96%)11739(Top 215%)
25K15.53 mi2.42 mi27252-25011531-15811531-15827943(Top 98%)11979(Top 98%)11979(Top 219%)
30K18.64 mi3.11 mi27583-33111747-21611747-21628209(Top 99%)12148(Top 99%)12148(Top 222%)
20M20.00 mi1.36 mi27622-3911772-2511772-2527949(Top 98%)12029(Top 98%)12029(Top 220%)
21M21.00 mi1.00 mi27661-3911805-3311805-3327959(Top 98%)12033(Top 98%)12033(Top 220%)
35K21.75 mi0.75 mi27680-1911819-1411819-1427706(Top 98%)11961(Top 98%)11961(Top 219%)
23M23.00 mi1.25 mi27700-2011835-1611835-1627683(Top 97%)11947(Top 98%)11947(Top 218%)
24M24.00 mi1.00 mi27686+1411833+211833+227111(Top 95%)11702(Top 96%)11702(Top 214%)
40K24.85 mi0.85 mi27697-1111849-1611849-1627340(Top 96%)11802(Top 97%)11802(Top 216%)
25.2M25.20 mi0.35 mi27686+1111845+411845+426529(Top 93%)11445(Top 94%)11445(Top 209%)
Finish26.22 mi1.02 mi27663+2311838+711838+727014(Top 95%)11637(Top 95%)11637(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27472

Females

11663

F18-39

11663

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26373

Females

10998

F18-39

10998

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27472

Females

11663

F18-39

11663

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27161

Females

11493

F18-39

11493

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27546

Females

11739

F18-39

11739

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27943

Females

11979

F18-39

11979

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

28209

Females

12148

F18-39

12148

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27949

Females

12029

F18-39

12029

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27959

Females

12033

F18-39

12033

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27706

Females

11961

F18-39

11961

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27683

Females

11947

F18-39

11947

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

27111

Females

11702

F18-39

11702

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27340

Females

11802

F18-39

11802

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26529

Females

11445

F18-39

11445

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

27014

Females

11637

F18-39

11637

Passing Analysis

Category:
Athletes Passed
324
Passed By
2099
Net Change
-1775
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25888
5K → 10K80370-290#25888#26178
10K → 15K12658-646#26178#26824
15K → 20K58201-143#26824#26967
20K → Half1247-35#26967#27002
Half → 25K17267-250#27002#27252
25K → 30K11342-331#27252#27583
30K → 20M1857-39#27583#27622
20M → 21M1453-39#27622#27661
21M → 35K827-19#27661#27680
35K → 23M1737-20#27680#27700
23M → 24M2612+14#27700#27686
24M → 40K1324-11#27686#27697
40K → 25.2M121+11#27697#27686
25.2M → Finish263+23#27686#27663
TOTALS3242099-1775
📊

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