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BOSTON MARATHON 2023

Nicole Van De Leuv

Bib: 18713•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Masters (Masters Women)
#0 / 6539
Top 18%
Division (F40-44)
#0 / 1878
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:04/mi
25:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:14:39
↑ 67↓ 78
20K· 12.43 mi
8:07/mi
1:39:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:45:19
↑ 19↓ 370.5%
25K· 15.53 mi
8:04/mi
2:04:52
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:30:06
↑ 181↓ 1480.2%
20M
8:23/mi
2:41:30
↑ 64↓ 500.2%
21M
8:56/mi
2:50:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:56:12
↑ 17↓ 861.7%
23M
8:03/mi
3:06:17
↑ 23↓ 630.6%
24M
7:47/mi
3:14:04
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:20:59
↓ 200.3%
25.2M
8:45/mi
3:24:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:58/mi
3:32:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:19
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:46:48
Pace8:09 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0125:048:0425:04
8:04
-
10K
6.21 mi11:40:4449:478:0124:43
7:57
-0:07
15K
9.32 mi12:05:361:14:398:0124:52
8:00
+0:03
20K
12.43 mi12:30:501:39:538:0225:14
8:07
+0:07
Half
13.11 mi12:36:161:45:198:025:26
7:58
-0:09
25K
15.53 mi12:55:492:04:528:0219:33
8:04
+0:06
30K
18.64 mi13:21:032:30:068:0325:14
8:07
+0:03
20M
20.00 mi13:32:272:41:308:0411:24
8:23
+0:16
21M
21.00 mi13:41:232:50:268:078:56
8:56
+0:33
35K
21.75 mi13:47:092:56:128:065:46
7:42
-1:14
23M
23.00 mi13:57:143:06:178:0610:05
8:03
+0:21
24M
24.00 mi14:05:013:14:048:057:47
7:47
-0:16
40K
24.85 mi14:11:563:20:598:056:55
8:05
+0:18
25.2M
25.20 mi14:14:573:24:008:063:01
8:45
+0:40
Finish
26.22 mi14:23:043:32:078:068:07
7:58
-0:47

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

7:42 /mi

Average Pace

8:06 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:10

94% of race

Time at Steady Pace

11:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi11:16:0125:048:0425:04
8:04
#14482
10K
6.21 mi11:40:4449:478:0124:43
7:57
#14473
15K
9.32 mi12:05:361:14:398:0124:52
8:00
#14429
20K
12.43 mi12:30:501:39:538:0225:14
8:07
#14377
Half
13.11 mi12:36:161:45:198:025:26
7:58
#14357
25K
15.53 mi12:55:492:04:528:0219:33
8:04
#14184
30K
18.64 mi13:21:032:30:068:0325:14
8:07
#13699
20M
20.00 mi13:32:272:41:308:0411:24
8:23
#13629
21M
21.00 mi13:41:232:50:268:078:56
8:56
#13572
35K
21.75 mi13:47:092:56:128:065:46
7:42
#13424
23M
23.00 mi13:57:143:06:178:0610:05
8:03
#13188
24M
24.00 mi14:05:013:14:048:057:47
7:47
#13028
40K
24.85 mi14:11:563:20:598:056:55
8:05
#12923
25.2M
25.20 mi14:14:573:24:008:063:01
8:45
#12890
Finish
26.22 mi14:23:043:32:078:068:07
7:58
#12828
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi144824314431414423(Top 54%)4331(Top 38%)4331(Top 231%)
10K6.21 mi3.10 mi14473+94323-94323-914452(Top 54%)4330(Top 38%)4330(Top 231%)
15K9.32 mi3.11 mi14429+444315+84315+814423(Top 54%)4331(Top 38%)4331(Top 231%)
20K12.43 mi3.11 mi14377+524300+154300+1514375(Top 54%)4328(Top 38%)4328(Top 230%)
Half13.11 mi0.68 mi14357+204292+84292+814089(Top 53%)4120(Top 36%)4120(Top 219%)
25K15.53 mi2.42 mi14184+1734218+744218+7413263(Top 50%)3784(Top 33%)3784(Top 201%)
30K18.64 mi3.11 mi13699+4853956+2623956+26211815(Top 44%)3075(Top 27%)3075(Top 164%)
20M20.00 mi1.36 mi13629+703935+213935+2112967(Top 49%)3836(Top 34%)3836(Top 204%)
21M21.00 mi1.00 mi13572+573919+163919+1613046(Top 49%)3967(Top 35%)3967(Top 211%)
35K21.75 mi0.75 mi13424+1483844+753844+7510077(Top 38%)2415(Top 21%)2415(Top 129%)
23M23.00 mi1.25 mi13188+2363727+1173727+11710172(Top 38%)2599(Top 23%)2599(Top 138%)
24M24.00 mi1.00 mi13028+1603670+573670+579723(Top 37%)2472(Top 22%)2472(Top 132%)
40K24.85 mi0.85 mi12923+1053627+433627+4310687(Top 40%)2991(Top 26%)2991(Top 159%)
25.2M25.20 mi0.35 mi12890+333617+103617+1011105(Top 42%)3263(Top 29%)3263(Top 174%)
Finish26.22 mi1.02 mi12828+623598+193598+1911900(Top 45%)3657(Top 32%)3657(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14423

Females

4331

F40-44

4331

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14452

Females

4330

F40-44

4330

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14423

Females

4331

F40-44

4331

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14375

Females

4328

F40-44

4328

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14089

Females

4120

F40-44

4120

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13263

Females

3784

F40-44

3784

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11815

Females

3075

F40-44

3075

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12967

Females

3836

F40-44

3836

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13046

Females

3967

F40-44

3967

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10077

Females

2415

F40-44

2415

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10172

Females

2599

F40-44

2599

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9723

Females

2472

F40-44

2472

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10687

Females

2991

F40-44

2991

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11105

Females

3263

F40-44

3263

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11900

Females

3657

F40-44

3657

Passing Analysis

Category:
Athletes Passed
2557
Passed By
903
Net Change
+1654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14482
5K → 10K295286+9#14482#14473
10K → 15K204160+44#14473#14429
15K → 20K202150+52#14429#14377
20K → Half4222+20#14377#14357
Half → 25K23057+173#14357#14184
25K → 30K50924+485#14184#13699
30K → 20M13262+70#13699#13629
20M → 21M11659+57#13629#13572
21M → 35K1502+148#13572#13424
35K → 23M24610+236#13424#13188
23M → 24M1677+160#13188#13028
24M → 40K12520+105#13028#12923
40K → 25.2M4512+33#12923#12890
25.2M → Finish9432+62#12890#12828
TOTALS2557903+1654
📊

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