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BOSTON MARATHON 2023

Elizabeth Elvin

Bib: 31560•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
9:13/mi
28:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
56:01
↑ 79↓ 1380.4%
15K· 9.32 mi
8:51/mi
1:23:32
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:51:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:57:18
↑ 19↓ 370.5%
25K· 15.53 mi
9:04/mi
2:19:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:46:00
↑ 181↓ 1480.2%
20M
8:30/mi
2:57:33
↑ 64↓ 500.2%
21M
8:38/mi
3:06:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
3:12:12
↑ 17↓ 861.7%
23M
8:16/mi
3:22:33
↑ 23↓ 630.6%
24M
7:46/mi
3:30:19
↓ 821.3%
40K· 24.85 mi
7:43/mi
3:36:55
↓ 200.3%
25.2M
8:07/mi
3:39:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:47:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:57:18
Pace8:57 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:50:10
Pace8:24 /mi
📊Negative Split: 6.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2728:379:1328:37
9:13
-
10K
6.21 mi12:13:5156:019:0127:24
8:49
-0:24
15K
9.32 mi12:41:221:23:328:5827:31
8:51
+0:02
20K
12.43 mi13:09:011:51:118:5727:39
8:54
+0:03
Half
13.11 mi13:15:081:57:188:576:07
8:58
+0:04
25K
15.53 mi13:37:072:19:178:5821:59
9:04
+0:06
30K
18.64 mi14:03:502:46:008:5426:43
8:36
-0:28
20M
20.00 mi14:15:232:57:338:5311:33
8:30
-0:06
21M
21.00 mi14:24:013:06:118:528:38
8:38
+0:08
35K
21.75 mi14:30:023:12:128:506:01
8:03
-0:35
23M
23.00 mi14:40:233:22:338:4810:21
8:16
+0:13
24M
24.00 mi14:48:093:30:198:467:46
7:46
-0:30
40K
24.85 mi14:54:453:36:558:446:36
7:43
-0:03
25.2M
25.20 mi14:57:333:39:438:432:48
8:07
+0:24
Finish
26.22 mi15:05:183:47:288:417:45
7:36
-0:31

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

7:36 /mi

Average Pace

8:41 /mi

Slowest Pace

9:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:17

18% of race

Time at Steady Pace

1:41:49

45% of race

Time at Slower Pace

1:24:22

37% of race

Average Pace: 8:41 /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 mi11:46:2728:379:1328:37
9:13
#21236
10K
6.21 mi12:13:5156:019:0127:24
8:49
#20698
15K
9.32 mi12:41:221:23:328:5827:31
8:51
#20400
20K
12.43 mi13:09:011:51:118:5727:39
8:54
#20092
Half
13.11 mi13:15:081:57:188:576:07
8:58
#20112
25K
15.53 mi13:37:072:19:178:5821:59
9:04
#19966
30K
18.64 mi14:03:502:46:008:5426:43
8:36
#19132
20M
20.00 mi14:15:232:57:338:5311:33
8:30
#18772
21M
21.00 mi14:24:013:06:118:528:38
8:38
#18356
35K
21.75 mi14:30:023:12:128:506:01
8:03
#18154
23M
23.00 mi14:40:233:22:338:4810:21
8:16
#17823
24M
24.00 mi14:48:093:30:198:467:46
7:46
#17474
40K
24.85 mi14:54:453:36:558:446:36
7:43
#17156
25.2M
25.20 mi14:57:333:39:438:432:48
8:07
#17015
Finish
26.22 mi15:05:183:47:288:417:45
7:36
#16738
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi212368489848919827(Top 74%)7579(Top 66%)7579(Top 155%)
10K6.21 mi3.10 mi20698+5388145+3448145+34420043(Top 75%)7718(Top 68%)7718(Top 158%)
15K9.32 mi3.11 mi20400+2987960+1857960+18519827(Top 74%)7579(Top 66%)7579(Top 155%)
20K12.43 mi3.11 mi20092+3087767+1937767+19319203(Top 72%)7209(Top 63%)7209(Top 148%)
Half13.11 mi0.68 mi20112-207779-127779-1220302(Top 76%)7837(Top 69%)7837(Top 160%)
25K15.53 mi2.42 mi19966+1467692+877692+8719275(Top 72%)7291(Top 64%)7291(Top 149%)
30K18.64 mi3.11 mi19132+8347213+4797213+47914934(Top 56%)4893(Top 43%)4893(Top 100%)
20M20.00 mi1.36 mi18772+3607019+1947019+19413666(Top 51%)4226(Top 37%)4226(Top 87%)
21M21.00 mi1.00 mi18356+4166800+2196800+21911309(Top 42%)3048(Top 27%)3048(Top 62%)
35K21.75 mi0.75 mi18154+2026695+1056695+10512507(Top 47%)3726(Top 33%)3726(Top 76%)
23M23.00 mi1.25 mi17823+3316515+1806515+18011691(Top 44%)3365(Top 29%)3365(Top 69%)
24M24.00 mi1.00 mi17474+3496307+2086307+2089600(Top 36%)2410(Top 21%)2410(Top 49%)
40K24.85 mi0.85 mi17156+3186147+1606147+1608165(Top 31%)1829(Top 16%)1829(Top 37%)
25.2M25.20 mi0.35 mi17015+1416074+736074+737342(Top 28%)1586(Top 14%)1586(Top 32%)
Finish26.22 mi1.02 mi16738+2775925+1495925+1499359(Top 35%)2417(Top 21%)2417(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

19827

Females

7579

F18-39

7579

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

20043

Females

7718

F18-39

7718

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

19827

Females

7579

F18-39

7579

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19203

Females

7209

F18-39

7209

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20302

Females

7837

F18-39

7837

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19275

Females

7291

F18-39

7291

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14934

Females

4893

F18-39

4893

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13666

Females

4226

F18-39

4226

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11309

Females

3048

F18-39

3048

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12507

Females

3726

F18-39

3726

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11691

Females

3365

F18-39

3365

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9600

Females

2410

F18-39

2410

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8165

Females

1829

F18-39

1829

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7342

Females

1586

F18-39

1586

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9359

Females

2417

F18-39

2417

Passing Analysis

Category:
Athletes Passed
4808
Passed By
310
Net Change
+4498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21236
5K → 10K644106+538#21236#20698
10K → 15K35456+298#20698#20400
15K → 20K35749+308#20400#20092
20K → Half2242-20#20092#20112
Half → 25K20155+146#20112#19966
25K → 30K8351+834#19966#19132
30K → 20M3611+360#19132#18772
20M → 21M4160+416#18772#18356
21M → 35K2020+202#18356#18154
35K → 23M3310+331#18154#17823
23M → 24M3490+349#17823#17474
24M → 40K3180+318#17474#17156
40K → 25.2M1410+141#17156#17015
25.2M → Finish2770+277#17015#16738
TOTALS4808310+4498
📊

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