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BOSTON MARATHON 2023

Sarah Lane

Bib: 26855•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
10:38/mi
33:02
↑ 97↓ 3451.5%
10K· 6.21 mi
9:44/mi
1:03:15
↑ 79↓ 1380.4%
15K· 9.32 mi
11:07/mi
1:37:47
↑ 67↓ 78
20K· 12.43 mi
10:51/mi
2:11:30
↑ 106↓ 860.1%
Half· 13.11 mi
9:54/mi
2:18:15
↑ 19↓ 370.5%
25K· 15.53 mi
11:09/mi
2:45:18
↑ 66↓ 880.2%
30K· 18.64 mi
12:01/mi
3:22:38
↑ 181↓ 1480.2%
20M
14:47/mi
3:42:44
↑ 64↓ 500.2%
21M
13:57/mi
3:56:41
↑ 106↓ 241.6%
35K· 21.75 mi
10:46/mi
4:04:44
↑ 17↓ 861.7%
23M
11:32/mi
4:19:10
↑ 23↓ 630.6%
24M
10:57/mi
4:30:07
↓ 821.3%
40K· 24.85 mi
11:00/mi
4:39:31
↓ 200.3%
25.2M
11:42/mi
4:43:33
↑ 13↓ 160.2%
Finish· 26.22 mi
10:05/mi
4:53:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:15
Pace10:33 /mi
2nd Half
Distance13.11 mi
Time2:35:35
Pace11:52 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3633:0210:3833:02
10:38
-
10K
6.21 mi12:19:491:03:1510:1130:13
9:44
-0:54
15K
9.32 mi12:54:211:37:4710:2934:32
11:07
+1:23
20K
12.43 mi13:28:042:11:3010:3533:43
10:51
-0:16
Half
13.11 mi13:34:492:18:1510:336:45
9:54
-0:57
25K
15.53 mi14:01:522:45:1810:3827:03
11:09
+1:15
30K
18.64 mi14:39:123:22:3810:5237:20
12:01
+0:52
20M
20.00 mi14:59:183:42:4411:0820:06
14:47
+2:46
21M
21.00 mi15:13:153:56:4111:1613:57
13:57
-0:50
35K
21.75 mi15:21:184:04:4411:158:03
10:46
-3:11
23M
23.00 mi15:35:444:19:1011:1614:26
11:32
+0:46
24M
24.00 mi15:46:414:30:0711:1510:57
10:57
-0:35
40K
24.85 mi15:56:054:39:3111:159:24
11:00
+0:03
25.2M
25.20 mi16:00:074:43:3311:154:02
11:42
+0:42
Finish
26.22 mi16:10:244:53:5011:1310:17
10:05
-1:37

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

9:44 /mi

Average Pace

11:13 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:15

16% of race

Time at Steady Pace

2:51:10

58% of race

Time at Slower Pace

1:15:25

26% of race

Average Pace: 11:12 /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 mi11:49:3633:0210:3833:02
10:38
#25032
10K
6.21 mi12:19:491:03:1510:1130:13
9:44
#24018
15K
9.32 mi12:54:211:37:4710:2934:32
11:07
#24620
20K
12.43 mi13:28:042:11:3010:3533:43
10:51
#24550
Half
13.11 mi13:34:492:18:1510:336:45
9:54
#24484
25K
15.53 mi14:01:522:45:1810:3827:03
11:09
#24436
30K
18.64 mi14:39:123:22:3810:5237:20
12:01
#24474
20M
20.00 mi14:59:183:42:4411:0820:06
14:47
#24744
21M
21.00 mi15:13:153:56:4111:1613:57
13:57
#24786
35K
21.75 mi15:21:184:04:4411:158:03
10:46
#24735
23M
23.00 mi15:35:444:19:1011:1614:26
11:32
#24654
24M
24.00 mi15:46:414:30:0711:1510:57
10:57
#24590
40K
24.85 mi15:56:054:39:3111:159:24
11:00
#24518
25.2M
25.20 mi16:00:074:43:3311:154:02
11:42
#24492
Finish
26.22 mi16:10:244:53:5011:1310:17
10:05
#24429
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25032104491044925327(Top 95%)10645(Top 93%)10645(Top 218%)
10K6.21 mi3.10 mi24018+10149905+5449905+54423107(Top 87%)9391(Top 82%)9391(Top 192%)
15K9.32 mi3.11 mi24620-60210234-32910234-32925327(Top 95%)10645(Top 93%)10645(Top 218%)
20K12.43 mi3.11 mi24550+7010207+2710207+2724401(Top 92%)10150(Top 89%)10150(Top 208%)
Half13.11 mi0.68 mi24484+6610171+3610171+3623093(Top 87%)9406(Top 82%)9406(Top 193%)
25K15.53 mi2.42 mi24436+4810154+1710154+1724207(Top 91%)10063(Top 88%)10063(Top 206%)
30K18.64 mi3.11 mi24474-3810188-3410188-3424517(Top 92%)10291(Top 90%)10291(Top 211%)
20M20.00 mi1.36 mi24744-27010353-16510353-16526226(Top 99%)11243(Top 98%)11243(Top 230%)
21M21.00 mi1.00 mi24786-4210380-2710380-2725003(Top 94%)10609(Top 93%)10609(Top 217%)
35K21.75 mi0.75 mi24735+5110355+2510355+2522870(Top 86%)9531(Top 83%)9531(Top 195%)
23M23.00 mi1.25 mi24654+8110318+3710318+3723307(Top 88%)9753(Top 85%)9753(Top 200%)
24M24.00 mi1.00 mi24590+6410296+2210296+2222970(Top 86%)9622(Top 84%)9622(Top 197%)
40K24.85 mi0.85 mi24518+7210261+3510261+3522365(Top 84%)9334(Top 82%)9334(Top 191%)
25.2M25.20 mi0.35 mi24492+2610249+1210249+1221998(Top 83%)9141(Top 80%)9141(Top 187%)
Finish26.22 mi1.02 mi24429+6310220+2910220+2922022(Top 83%)9133(Top 80%)9133(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25327

Females

10645

F18-39

10645

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23107

Females

9391

F18-39

9391

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25327

Females

10645

F18-39

10645

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24401

Females

10150

F18-39

10150

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23093

Females

9406

F18-39

9406

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24207

Females

10063

F18-39

10063

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24517

Females

10291

F18-39

10291

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26226

Females

11243

F18-39

11243

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25003

Females

10609

F18-39

10609

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22870

Females

9531

F18-39

9531

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23307

Females

9753

F18-39

9753

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22970

Females

9622

F18-39

9622

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22365

Females

9334

F18-39

9334

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21998

Females

9141

F18-39

9141

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22022

Females

9133

F18-39

9133

Passing Analysis

Category:
Athletes Passed
1830
Passed By
1227
Net Change
+603
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25032
5K → 10K10184+1014#25032#24018
10K → 15K17619-602#24018#24620
15K → 20K12656+70#24620#24550
20K → Half671+66#24550#24484
Half → 25K10759+48#24484#24436
25K → 30K95133-38#24436#24474
30K → 20M4274-270#24474#24744
20M → 21M2062-42#24744#24786
21M → 35K532+51#24786#24735
35K → 23M865+81#24735#24654
23M → 24M684+64#24654#24590
24M → 40K764+72#24590#24518
40K → 25.2M271+26#24518#24492
25.2M → Finish663+63#24492#24429
TOTALS18301227+603
📊

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