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BOSTON MARATHON 2023

Beck Lienau

Bib: 25578•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
10:22/mi
32:11
↑ 97↓ 3451.5%
10K· 6.21 mi
10:44/mi
1:05:32
↑ 79↓ 1380.4%
15K· 9.32 mi
11:11/mi
1:40:16
↑ 67↓ 78
20K· 12.43 mi
12:30/mi
2:19:06
↑ 106↓ 860.1%
Half· 13.11 mi
11:49/mi
2:27:10
↑ 19↓ 370.5%
25K· 15.53 mi
12:41/mi
2:57:55
↑ 66↓ 880.2%
30K· 18.64 mi
13:30/mi
3:39:52
↑ 181↓ 1480.2%
20M
14:10/mi
3:59:07
↑ 64↓ 500.2%
21M
15:26/mi
4:14:33
↑ 106↓ 241.6%
35K· 21.75 mi
14:53/mi
4:25:41
↑ 17↓ 861.7%
23M
15:26/mi
4:45:00
↑ 23↓ 630.6%
24M
15:44/mi
5:00:44
↓ 821.3%
40K· 24.85 mi
15:53/mi
5:14:19
↓ 200.3%
25.2M
23:06/mi
5:22:17
↑ 13↓ 160.2%
Finish· 26.22 mi
17:00/mi
5:39:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:10
Pace11:14 /mi
2nd Half
Distance13.11 mi
Time3:12:26
Pace14:41 /mi
📊Positive Split: 30.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1032:1110:2232:11
10:22
-
10K
6.21 mi12:21:311:05:3210:3333:21
10:44
+0:22
15K
9.32 mi12:56:151:40:1610:4534:44
11:11
+0:27
20K
12.43 mi13:35:052:19:0611:1238:50
12:30
+1:19
Half
13.11 mi13:43:092:27:1011:148:04
11:49
-0:41
25K
15.53 mi14:13:542:57:5511:2730:45
12:41
+0:52
30K
18.64 mi14:55:513:39:5211:4841:57
13:30
+0:49
20M
20.00 mi15:15:063:59:0711:5719:15
14:10
+0:40
21M
21.00 mi15:30:324:14:3312:0715:26
15:26
+1:16
35K
21.75 mi15:41:404:25:4112:1311:08
14:53
-0:33
23M
23.00 mi16:00:594:45:0012:2319:19
15:26
+0:33
24M
24.00 mi16:16:435:00:4412:3215:44
15:44
+0:18
40K
24.85 mi16:30:185:14:1912:3913:35
15:53
+0:09
25.2M
25.20 mi16:38:165:22:1712:477:58
23:06
+7:13
Finish
26.22 mi16:55:355:39:3612:5817:19
17:00
-6:06

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

10:22 /mi

Average Pace

12:58 /mi

Slowest Pace

23:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:10

43% of race

Time at Steady Pace

2:17:50

41% of race

Time at Slower Pace

54:36

16% of race

Average Pace: 12:57 /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 mi11:48:1032:1110:2232:11
10:22
#24392
10K
6.21 mi12:21:311:05:3210:3333:21
10:44
#24796
15K
9.32 mi12:56:151:40:1610:4534:44
11:11
#25077
20K
12.43 mi13:35:052:19:0611:1238:50
12:30
#25467
Half
13.11 mi13:43:092:27:1011:148:04
11:49
#25486
25K
15.53 mi14:13:542:57:5511:2730:45
12:41
#25558
30K
18.64 mi14:55:513:39:5211:4841:57
13:30
#25633
20M
20.00 mi15:15:063:59:0711:5719:15
14:10
#25668
21M
21.00 mi15:30:324:14:3312:0715:26
15:26
#25689
35K
21.75 mi15:41:404:25:4112:1311:08
14:53
#25745
23M
23.00 mi16:00:594:45:0012:2319:19
15:26
#25822
24M
24.00 mi16:16:435:00:4412:3215:44
15:44
#25894
40K
24.85 mi16:30:185:14:1912:3913:35
15:53
#25947
25.2M
25.20 mi16:38:165:22:1712:477:58
23:06
#26020
Finish
26.22 mi16:55:355:39:3612:5817:19
17:00
#26123
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24392100951009525400(Top 95%)10686(Top 94%)10686(Top 219%)
10K6.21 mi3.10 mi24796-40410322-22710322-22725069(Top 94%)10481(Top 92%)10481(Top 215%)
15K9.32 mi3.11 mi25077-28110482-16010482-16025400(Top 95%)10686(Top 94%)10686(Top 219%)
20K12.43 mi3.11 mi25467-39010729-24710729-24725970(Top 98%)11039(Top 97%)11039(Top 226%)
Half13.11 mi0.68 mi25486-1910739-1010739-1025755(Top 97%)10930(Top 96%)10930(Top 224%)
25K15.53 mi2.42 mi25558-7210793-5410793-5425681(Top 96%)10893(Top 95%)10893(Top 223%)
30K18.64 mi3.11 mi25633-7510846-5310846-5325748(Top 97%)10973(Top 96%)10973(Top 225%)
20M20.00 mi1.36 mi25668-3510870-2410870-2425922(Top 97%)11081(Top 97%)11081(Top 227%)
21M21.00 mi1.00 mi25689-2110885-1510885-1525980(Top 98%)11102(Top 97%)11102(Top 227%)
35K21.75 mi0.75 mi25745-5610920-3510920-3526391(Top 99%)11326(Top 99%)11326(Top 232%)
23M23.00 mi1.25 mi25822-7710966-4610966-4626393(Top 99%)11326(Top 99%)11326(Top 232%)
24M24.00 mi1.00 mi25894-7211010-4411010-4426497(Top 100%)11375(Top 100%)11375(Top 233%)
40K24.85 mi0.85 mi25947-5311037-2711037-2726387(Top 99%)11333(Top 99%)11333(Top 232%)
25.2M25.20 mi0.35 mi26020-7311085-4811085-4826617(Top 100%)11421(Top 100%)11421(Top 234%)
Finish26.22 mi1.02 mi26123-10311148-6311148-6326588(Top 100%)11415(Top 100%)11415(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25400

Females

10686

F18-39

10686

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25069

Females

10481

F18-39

10481

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25400

Females

10686

F18-39

10686

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

25970

Females

11039

F18-39

11039

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25755

Females

10930

F18-39

10930

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25681

Females

10893

F18-39

10893

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25748

Females

10973

F18-39

10973

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25922

Females

11081

F18-39

11081

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

25980

Females

11102

F18-39

11102

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26391

Females

11326

F18-39

11326

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26393

Females

11326

F18-39

11326

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

26497

Females

11375

F18-39

11375

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26387

Females

11333

F18-39

11333

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

26617

Females

11421

F18-39

11421

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

26588

Females

11415

F18-39

11415

Passing Analysis

Category:
Athletes Passed
218
Passed By
1949
Net Change
-1731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24392
5K → 10K47451-404#24392#24796
10K → 15K33314-281#24796#25077
15K → 20K17407-390#25077#25467
20K → Half625-19#25467#25486
Half → 25K36108-72#25486#25558
25K → 30K36111-75#25558#25633
30K → 20M2055-35#25633#25668
20M → 21M1233-21#25668#25689
21M → 35K460-56#25689#25745
35K → 23M178-77#25745#25822
23M → 24M375-72#25822#25894
24M → 40K356-53#25894#25947
40K → 25.2M073-73#25947#26020
25.2M → Finish0103-103#26020#26123
TOTALS2181949-1731
📊

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