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BOSTON MARATHON 2023

Lauren Copperthwaite

Bib: 14420•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
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
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
48:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:11:41
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:35:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:40:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
1:59:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:23:25
↑ 181↓ 1480.2%
20M
7:45/mi
2:33:57
↑ 64↓ 500.2%
21M
8:04/mi
2:42:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:47:52
↑ 17↓ 861.7%
23M
8:02/mi
2:57:55
↑ 23↓ 630.6%
24M
7:47/mi
3:05:42
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:12:36
↓ 200.3%
25.2M
8:22/mi
3:15:29
↑ 13↓ 160.2%
Finish· 26.22 mi
7:06/mi
3:22:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:38
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:42:05
Pace7:47 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4924:297:5324:29
7:53
-
10K
6.21 mi11:17:2848:087:4523:39
7:37
-0:16
15K
9.32 mi11:41:011:11:417:4123:33
7:35
-0:02
20K
12.43 mi12:04:461:35:267:4123:45
7:39
+0:04
Half
13.11 mi12:09:581:40:387:415:12
7:37
-0:02
25K
15.53 mi12:28:451:59:257:4118:47
7:45
+0:08
30K
18.64 mi12:52:452:23:257:4224:00
7:43
-0:02
20M
20.00 mi13:03:172:33:577:4210:32
7:45
+0:02
21M
21.00 mi13:11:212:42:017:438:04
8:04
+0:19
35K
21.75 mi13:17:122:47:527:435:51
7:49
-0:15
23M
23.00 mi13:27:152:57:557:4410:03
8:02
+0:13
24M
24.00 mi13:35:023:05:427:447:47
7:47
-0:15
40K
24.85 mi13:41:563:12:367:456:54
8:04
+0:17
25.2M
25.20 mi13:44:493:15:297:452:53
8:22
+0:18
Finish
26.22 mi13:52:033:22:437:447:14
7:06
-1:16

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

7:06 /mi

Average Pace

7:44 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:29

71% of race

Time at Steady Pace

58:14

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:53:4924:297:5324:29
7:53
#13082
10K
6.21 mi11:17:2848:087:4523:39
7:37
#12234
15K
9.32 mi11:41:011:11:417:4123:33
7:35
#11705
20K
12.43 mi12:04:461:35:267:4123:45
7:39
#11343
Half
13.11 mi12:09:581:40:387:415:12
7:37
#11334
25K
15.53 mi12:28:451:59:257:4118:47
7:45
#11192
30K
18.64 mi12:52:452:23:257:4224:00
7:43
#10719
20M
20.00 mi13:03:172:33:577:4210:32
7:45
#10534
21M
21.00 mi13:11:212:42:017:438:04
8:04
#10348
35K
21.75 mi13:17:122:47:527:435:51
7:49
#10350
23M
23.00 mi13:27:152:57:557:4410:03
8:02
#10292
24M
24.00 mi13:35:023:05:427:447:47
7:47
#10241
40K
24.85 mi13:41:563:12:367:456:54
8:04
#10214
25.2M
25.20 mi13:44:493:15:297:452:53
8:22
#10181
Finish
26.22 mi13:52:033:22:437:447:14
7:06
#9966
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130823485348510844(Top 41%)2252(Top 20%)2252(Top 46%)
10K6.21 mi3.10 mi12234+8482990+4952990+49511444(Top 43%)2572(Top 23%)2572(Top 53%)
15K9.32 mi3.11 mi11705+5292728+2622728+26210844(Top 41%)2252(Top 20%)2252(Top 46%)
20K12.43 mi3.11 mi11343+3622521+2072521+20710472(Top 39%)2130(Top 19%)2130(Top 44%)
Half13.11 mi0.68 mi11334+92523-22523-211246(Top 42%)2477(Top 22%)2477(Top 51%)
25K15.53 mi2.42 mi11192+1422464+592464+5910680(Top 40%)2322(Top 20%)2322(Top 48%)
30K18.64 mi3.11 mi10719+4732260+2042260+2048842(Top 33%)1653(Top 14%)1653(Top 34%)
20M20.00 mi1.36 mi10534+1852190+702190+708540(Top 32%)1618(Top 14%)1618(Top 33%)
21M21.00 mi1.00 mi10348+1862121+692121+697837(Top 29%)1452(Top 13%)1452(Top 30%)
35K21.75 mi0.75 mi10350-22140-192140-1910826(Top 41%)2778(Top 24%)2778(Top 57%)
23M23.00 mi1.25 mi10292+58214021409953(Top 37%)2485(Top 22%)2485(Top 51%)
24M24.00 mi1.00 mi10241+512144-42144-49676(Top 36%)2425(Top 21%)2425(Top 50%)
40K24.85 mi0.85 mi10214+272153-92153-910524(Top 40%)2886(Top 25%)2886(Top 59%)
25.2M25.20 mi0.35 mi10181+332147+62147+68726(Top 33%)2129(Top 19%)2129(Top 44%)
Finish26.22 mi1.02 mi9966+2152079+682079+685852(Top 22%)1028(Top 9%)1028(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10844

Females

2252

F18-39

2252

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11444

Females

2572

F18-39

2572

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10844

Females

2252

F18-39

2252

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10472

Females

2130

F18-39

2130

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11246

Females

2477

F18-39

2477

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10680

Females

2322

F18-39

2322

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8842

Females

1653

F18-39

1653

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8540

Females

1618

F18-39

1618

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7837

Females

1452

F18-39

1452

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10826

Females

2778

F18-39

2778

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9953

Females

2485

F18-39

2485

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9676

Females

2425

F18-39

2425

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10524

Females

2886

F18-39

2886

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8726

Females

2129

F18-39

2129

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5852

Females

1028

F18-39

1028

Passing Analysis

Category:
Athletes Passed
3580*
Passed By
464
Net Change
+3116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13082
5K → 10K92981+848#13082#12234
10K → 15K56536+529#12234#11705
15K → 20K38422+362#11705#11343
20K → Half3324+9#11343#11334
Half → 25K19553+142#11334#11192
25K → 30K48815+473#11192#10719
30K → 20M194*9+185#10719#10534
20M → 21M1959+186#10534#10348
21M → 35K4749-2#10348#10350
35K → 23M11153+58#10350#10292
23M → 24M8332+51#10292#10241
24M → 40K8659+27#10241#10214
40K → 25.2M47*14+33#10214#10181
25.2M → Finish223*8+215#10181#9966
TOTALS3580*464+3116

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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