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BOSTON MARATHON 2023

Jenny Van Duyne

Bib: 21281•F

NV

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 33%
Division (F55-59)
#0 / 815
Top 12%
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
8:30/mi
26:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:17:18
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:43:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:48:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
2:08:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:35:16
↑ 181↓ 1480.2%
20M
8:28/mi
2:46:46
↑ 64↓ 500.2%
21M
9:16/mi
2:56:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
3:02:11
↑ 17↓ 861.7%
23M
8:43/mi
3:13:06
↑ 23↓ 630.6%
24M
8:41/mi
3:21:47
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:29:23
↓ 200.3%
25.2M
9:43/mi
3:32:44
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:41:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:44
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:52:47
Pace8:36 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4126:258:3026:25
8:30
-
10K
6.21 mi11:45:0951:538:2125:28
8:12
-0:18
15K
9.32 mi12:10:341:17:188:1825:25
8:11
-0:01
20K
12.43 mi12:36:181:43:028:1725:44
8:17
+0:06
Half
13.11 mi12:42:001:48:448:185:42
8:21
+0:04
25K
15.53 mi13:02:152:08:598:1820:15
8:21
0:00
30K
18.64 mi13:28:322:35:168:2026:17
8:28
+0:07
20M
20.00 mi13:40:022:46:468:2011:30
8:28
0:00
21M
21.00 mi13:49:182:56:028:239:16
9:16
+0:48
35K
21.75 mi13:55:273:02:118:236:09
8:13
-1:03
23M
23.00 mi14:06:223:13:068:2410:55
8:43
+0:30
24M
24.00 mi14:15:033:21:478:248:41
8:41
-0:02
40K
24.85 mi14:22:393:29:238:257:36
8:53
+0:12
25.2M
25.20 mi14:26:003:32:448:273:21
9:43
+0:50
Finish
26.22 mi14:34:473:41:318:278:47
8:37
-1:06

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

8:11 /mi

Average Pace

8:27 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:54

94% of race

Time at Steady Pace

9:16

4% of race

Time at Slower Pace

3:21

2% of race

Average Pace: 8:27 /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 mi11:19:4126:258:3026:25
8:30
#17582
10K
6.21 mi11:45:0951:538:2125:28
8:12
#16857
15K
9.32 mi12:10:341:17:188:1825:25
8:11
#16474
20K
12.43 mi12:36:181:43:028:1725:44
8:17
#16209
Half
13.11 mi12:42:001:48:448:185:42
8:21
#16242
25K
15.53 mi13:02:152:08:598:1820:15
8:21
#16054
30K
18.64 mi13:28:322:35:168:2026:17
8:28
#15676
20M
20.00 mi13:40:022:46:468:2011:30
8:28
#15485
21M
21.00 mi13:49:182:56:028:239:16
9:16
#15409
35K
21.75 mi13:55:273:02:118:236:09
8:13
#15316
23M
23.00 mi14:06:223:13:068:2410:55
8:43
#15261
24M
24.00 mi14:15:033:21:478:248:41
8:41
#15263
40K
24.85 mi14:22:393:29:238:257:36
8:53
#15289
25.2M
25.20 mi14:26:003:32:448:273:21
9:43
#15303
Finish
26.22 mi14:34:473:41:318:278:47
8:37
#15306
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi175826304630415723(Top 59%)5122(Top 45%)5122(Top 628%)
10K6.21 mi3.10 mi16857+7255814+4905814+49016234(Top 61%)5419(Top 47%)5419(Top 665%)
15K9.32 mi3.11 mi16474+3835574+2405574+24015723(Top 59%)5122(Top 45%)5122(Top 628%)
20K12.43 mi3.11 mi16209+2655429+1455429+14515515(Top 58%)5042(Top 44%)5042(Top 619%)
Half13.11 mi0.68 mi16242-335452-235452-2316852(Top 63%)5798(Top 51%)5798(Top 711%)
25K15.53 mi2.42 mi16054+1885370+825370+8215284(Top 57%)5008(Top 44%)5008(Top 614%)
30K18.64 mi3.11 mi15676+3785173+1975173+19714064(Top 53%)4372(Top 38%)4372(Top 536%)
20M20.00 mi1.36 mi15485+1915082+915082+9113446(Top 51%)4106(Top 36%)4106(Top 504%)
21M21.00 mi1.00 mi15409+765062+205062+2014833(Top 56%)4952(Top 43%)4952(Top 608%)
35K21.75 mi0.75 mi15316+935015+475015+4713649(Top 51%)4384(Top 38%)4384(Top 538%)
23M23.00 mi1.25 mi15261+555000+155000+1514519(Top 55%)4913(Top 43%)4913(Top 603%)
24M24.00 mi1.00 mi15263-25020-205020-2015584(Top 59%)5574(Top 49%)5574(Top 684%)
40K24.85 mi0.85 mi15289-265053-335053-3315571(Top 58%)5616(Top 49%)5616(Top 689%)
25.2M25.20 mi0.35 mi15303-145072-195072-1916208(Top 61%)5975(Top 52%)5975(Top 733%)
Finish26.22 mi1.02 mi15306-35086-145086-1416097(Top 60%)5869(Top 51%)5869(Top 720%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15723

Females

5122

F55-59

5122

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16234

Females

5419

F55-59

5419

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15723

Females

5122

F55-59

5122

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15515

Females

5042

F55-59

5042

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16852

Females

5798

F55-59

5798

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15284

Females

5008

F55-59

5008

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14064

Females

4372

F55-59

4372

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13446

Females

4106

F55-59

4106

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14833

Females

4952

F55-59

4952

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13649

Females

4384

F55-59

4384

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14519

Females

4913

F55-59

4913

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15584

Females

5574

F55-59

5574

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15571

Females

5616

F55-59

5616

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16208

Females

5975

F55-59

5975

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16097

Females

5869

F55-59

5869

Passing Analysis

Category:
Athletes Passed
3035
Passed By
759
Net Change
+2276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17582
5K → 10K833108+725#17582#16857
10K → 15K45370+383#16857#16474
15K → 20K31954+265#16474#16209
20K → Half2861-33#16209#16242
Half → 25K24355+188#16242#16054
25K → 30K40931+378#16054#15676
30K → 20M2009+191#15676#15485
20M → 21M12751+76#15485#15409
21M → 35K1007+93#15409#15316
35K → 23M11459+55#15316#15261
23M → 24M7173-2#15261#15263
24M → 40K5278-26#15263#15289
40K → 25.2M2539-14#15289#15303
25.2M → Finish6164-3#15303#15306
TOTALS3035759+2276
📊

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