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BOSTON MARATHON 2023

Laura Etkind

Bib: 26694•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
8:47/mi
27:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:41/mi
54:17
↑ 79↓ 1380.4%
15K· 9.32 mi
9:08/mi
1:22:41
↑ 67↓ 78
20K· 12.43 mi
9:31/mi
1:52:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:58:21
↑ 19↓ 370.5%
25K· 15.53 mi
9:48/mi
2:22:06
↑ 66↓ 880.2%
30K· 18.64 mi
10:02/mi
2:53:16
↑ 181↓ 1480.2%
20M
9:44/mi
3:06:30
↑ 64↓ 500.2%
21M
11:19/mi
3:17:49
↑ 106↓ 241.6%
35K· 21.75 mi
9:39/mi
3:25:02
↑ 17↓ 861.7%
23M
9:59/mi
3:37:32
↑ 23↓ 630.6%
24M
9:13/mi
3:46:45
↓ 821.3%
40K· 24.85 mi
10:13/mi
3:55:29
↓ 200.3%
25.2M
10:47/mi
3:59:12
↑ 13↓ 160.2%
Finish· 26.22 mi
9:03/mi
4:08:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:21
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:10:04
Pace9:55 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3827:188:4727:18
8:47
-
10K
6.21 mi12:10:3754:178:4426:59
8:41
-0:06
15K
9.32 mi12:39:011:22:418:5228:24
9:08
+0:27
20K
12.43 mi13:08:361:52:169:0229:35
9:31
+0:23
Half
13.11 mi13:14:411:58:219:026:05
8:55
-0:36
25K
15.53 mi13:38:262:22:069:0923:45
9:48
+0:53
30K
18.64 mi14:09:362:53:169:1831:10
10:02
+0:14
20M
20.00 mi14:22:503:06:309:1913:14
9:44
-0:18
21M
21.00 mi14:34:093:17:499:2511:19
11:19
+1:35
35K
21.75 mi14:41:223:25:029:267:13
9:39
-1:40
23M
23.00 mi14:53:523:37:329:2712:30
9:59
+0:20
24M
24.00 mi15:03:053:46:459:279:13
9:13
-0:46
40K
24.85 mi15:11:493:55:299:288:44
10:13
+1:00
25.2M
25.20 mi15:15:323:59:129:303:43
10:47
+0:34
Finish
26.22 mi15:24:454:08:259:299:13
9:03
-1:44

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

8:41 /mi

Average Pace

9:29 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:12

43% of race

Time at Steady Pace

1:26:17

35% of race

Time at Slower Pace

54:56

22% of race

Average Pace: 9:28 /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 mi11:43:3827:188:4727:18
8:47
#19405
10K
6.21 mi12:10:3754:178:4426:59
8:41
#19337
15K
9.32 mi12:39:011:22:418:5228:24
9:08
#19984
20K
12.43 mi13:08:361:52:169:0229:35
9:31
#20511
Half
13.11 mi13:14:411:58:219:026:05
8:55
#20483
25K
15.53 mi13:38:262:22:069:0923:45
9:48
#20755
30K
18.64 mi14:09:362:53:169:1831:10
10:02
#20806
20M
20.00 mi14:22:503:06:309:1913:14
9:44
#20687
21M
21.00 mi14:34:093:17:499:2511:19
11:19
#20761
35K
21.75 mi14:41:223:25:029:267:13
9:39
#20729
23M
23.00 mi14:53:523:37:329:2712:30
9:59
#20661
24M
24.00 mi15:03:053:46:459:279:13
9:13
#20549
40K
24.85 mi15:11:493:55:299:288:44
10:13
#20558
25.2M
25.20 mi15:15:323:59:129:303:43
10:47
#20543
Finish
26.22 mi15:24:454:08:259:299:13
9:03
#20451
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi194057446744621116(Top 79%)8296(Top 73%)8296(Top 170%)
10K6.21 mi3.10 mi19337+687360+867360+8619351(Top 73%)7297(Top 64%)7297(Top 149%)
15K9.32 mi3.11 mi19984-6477730-3707730-37021116(Top 79%)8296(Top 73%)8296(Top 170%)
20K12.43 mi3.11 mi20511-5278004-2748004-27421624(Top 81%)8584(Top 75%)8584(Top 176%)
Half13.11 mi0.68 mi20483+287988+167988+1620110(Top 76%)7737(Top 68%)7737(Top 158%)
25K15.53 mi2.42 mi20755-2728126-1388126-13821725(Top 82%)8687(Top 76%)8687(Top 178%)
30K18.64 mi3.11 mi20806-518163-378163-3721119(Top 79%)8413(Top 74%)8413(Top 172%)
20M20.00 mi1.36 mi20687+1198122+418122+4119687(Top 74%)7693(Top 67%)7693(Top 158%)
21M21.00 mi1.00 mi20761-748168-468168-4621523(Top 81%)8747(Top 77%)8747(Top 179%)
35K21.75 mi0.75 mi20729+328166+28166+220318(Top 76%)8118(Top 71%)8118(Top 166%)
23M23.00 mi1.25 mi20661+688143+238143+2319955(Top 75%)7930(Top 69%)7930(Top 162%)
24M24.00 mi1.00 mi20549+1128089+548089+5418151(Top 68%)6987(Top 61%)6987(Top 143%)
40K24.85 mi0.85 mi20558-98109-208109-2020532(Top 77%)8348(Top 73%)8348(Top 171%)
25.2M25.20 mi0.35 mi20543+158098+118098+1119944(Top 75%)8033(Top 70%)8033(Top 164%)
Finish26.22 mi1.02 mi20451+928059+398059+3918227(Top 68%)7034(Top 62%)7034(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21116

Females

8296

F18-39

8296

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19351

Females

7297

F18-39

7297

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21116

Females

8296

F18-39

8296

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21624

Females

8584

F18-39

8584

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20110

Females

7737

F18-39

7737

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21725

Females

8687

F18-39

8687

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

21119

Females

8413

F18-39

8413

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19687

Females

7693

F18-39

7693

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21523

Females

8747

F18-39

8747

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20318

Females

8118

F18-39

8118

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19955

Females

7930

F18-39

7930

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18151

Females

6987

F18-39

6987

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20532

Females

8348

F18-39

8348

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19944

Females

8033

F18-39

8033

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

18227

Females

7034

F18-39

7034

Passing Analysis

Category:
Athletes Passed
1305
Passed By
2351
Net Change
-1046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19405
5K → 10K373305+68#19405#19337
10K → 15K35682-647#19337#19984
15K → 20K55582-527#19984#20511
20K → Half4315+28#20511#20483
Half → 25K35307-272#20483#20755
25K → 30K129180-51#20755#20806
30K → 20M13920+119#20806#20687
20M → 21M44118-74#20687#20761
21M → 35K5119+32#20761#20729
35K → 23M10234+68#20729#20661
23M → 24M1219+112#20661#20549
24M → 40K4554-9#20549#20558
40K → 25.2M3217+15#20558#20543
25.2M → Finish1019+92#20543#20451
TOTALS13052351-1046
📊

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