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BOSTON MARATHON 2023

Lauren Shank

Bib: 25899•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

Start
0:00:00
Race begins
5K· 3.11 mi
30:51
Rank: #23281
Start → 5K
30:51 | 9:56/mi
10K· 6.21 mi
1:01:45
Rank: #23490 (-209)
5K → 10K
30:54 | 9:57/mi
15K· 9.32 mi
1:32:32
Rank: #23447 (+43)
10K → 15K
30:47 | 9:54/mi
20K· 12.43 mi
2:03:16
Rank: #23249 (+198)
15K → 20K
30:44 | 9:54/mi
Half· 13.11 mi
2:10:00
Rank: #23228 (+21)
20K → Half
6:44 | 9:52/mi
25K· 15.53 mi
2:35:21
Rank: #23205 (+23)
Half → 25K
25:21 | 10:27/mi
30K· 18.64 mi
3:09:27
Rank: #23177 (+28)
25K → 30K
34:06 | 10:59/mi
20M
3:24:12
Rank: #23111 (+66)
30K → 20M
14:45 | 10:51/mi
21M
3:36:05
Rank: #23070 (+41)
20M → 21M
11:53 | 11:53/mi
35K· 21.75 mi
3:44:18
Rank: #23086 (-16)
21M → 35K
8:13 | 10:59/mi
23M
3:58:24
Rank: #23058 (+28)
35K → 23M
14:06 | 11:16/mi
24M
4:09:23
Rank: #23052 (+6)
23M → 24M
10:59 | 10:59/mi
40K· 24.85 mi
4:18:44
Rank: #23002 (+50)
24M → 40K
9:21 | 10:56/mi
25.2M
4:23:03
Rank: #23030 (-28)
40K → 25.2M
4:19 | 12:31/mi
Finish· 26.22 mi
4:33:13
Rank: #22981 (+49)
25.2M → Finish
10:10 | 9:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:00
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:23:13
Pace10:56 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4630:519:5630:51
9:56
-
10K
6.21 mi12:23:401:01:459:5630:54
9:57
+0:01
15K
9.32 mi12:54:271:32:329:5630:47
9:54
-0:03
20K
12.43 mi13:25:112:03:169:5530:44
9:54
0:00
Half
13.11 mi13:31:552:10:009:556:44
9:52
-0:02
25K
15.53 mi13:57:162:35:2110:0025:21
10:27
+0:35
30K
18.64 mi14:31:223:09:2710:1034:06
10:59
+0:32
20M
20.00 mi14:46:073:24:1210:1314:45
10:51
-0:08
21M
21.00 mi14:58:003:36:0510:1711:53
11:53
+1:02
35K
21.75 mi15:06:133:44:1810:198:13
10:59
-0:54
23M
23.00 mi15:20:193:58:2410:2214:06
11:16
+0:17
24M
24.00 mi15:31:184:09:2310:2310:59
10:59
-0:17
40K
24.85 mi15:40:394:18:4410:259:21
10:56
-0:03
25.2M
25.20 mi15:44:584:23:0310:264:19
12:31
+1:35
Finish
26.22 mi15:55:084:33:1310:2610:10
9:59
-2:32

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

9:52 /mi

Average Pace

10:26 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:31

61% of race

Time at Steady Pace

1:17:24

28% of race

Time at Slower Pace

30:18

11% of race

Average Pace: 10:25 /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 mi11:52:4630:519:5630:51
9:56
#23281
10K
6.21 mi12:23:401:01:459:5630:54
9:57
#23490
15K
9.32 mi12:54:271:32:329:5630:47
9:54
#23447
20K
12.43 mi13:25:112:03:169:5530:44
9:54
#23249
Half
13.11 mi13:31:552:10:009:556:44
9:52
#23228
25K
15.53 mi13:57:162:35:2110:0025:21
10:27
#23205
30K
18.64 mi14:31:223:09:2710:1034:06
10:59
#23177
20M
20.00 mi14:46:073:24:1210:1314:45
10:51
#23111
21M
21.00 mi14:58:003:36:0510:1711:53
11:53
#23070
35K
21.75 mi15:06:133:44:1810:198:13
10:59
#23086
23M
23.00 mi15:20:193:58:2410:2214:06
11:16
#23058
24M
24.00 mi15:31:184:09:2310:2310:59
10:59
#23052
40K
24.85 mi15:40:394:18:4410:259:21
10:56
#23002
25.2M
25.20 mi15:44:584:23:0310:264:19
12:31
#23030
Finish
26.22 mi15:55:084:33:1310:2610:10
9:59
#22981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi232819537953723330(Top 88%)9507(Top 83%)9507(Top 195%)
10K6.21 mi3.10 mi23490-2099618-819618-8123605(Top 89%)9681(Top 85%)9681(Top 198%)
15K9.32 mi3.11 mi23447+439582+369582+3623330(Top 88%)9507(Top 83%)9507(Top 195%)
20K12.43 mi3.11 mi23249+1989483+999483+9922624(Top 85%)9152(Top 80%)9152(Top 187%)
Half13.11 mi0.68 mi23228+219472+119472+1123041(Top 87%)9374(Top 82%)9374(Top 192%)
25K15.53 mi2.42 mi23205+239460+129460+1223114(Top 87%)9453(Top 83%)9453(Top 194%)
30K18.64 mi3.11 mi23177+289475-159475-1523056(Top 87%)9484(Top 83%)9484(Top 194%)
20M20.00 mi1.36 mi23111+669456+199456+1922439(Top 84%)9220(Top 81%)9220(Top 189%)
21M21.00 mi1.00 mi23070+419440+169440+1622570(Top 85%)9320(Top 82%)9320(Top 191%)
35K21.75 mi0.75 mi23086-169461-219461-2123293(Top 87%)9756(Top 85%)9756(Top 200%)
23M23.00 mi1.25 mi23058+289455+69455+622839(Top 86%)9506(Top 83%)9506(Top 195%)
24M24.00 mi1.00 mi23052+69467-129467-1223029(Top 87%)9649(Top 84%)9649(Top 198%)
40K24.85 mi0.85 mi23002+509444+239444+2322229(Top 83%)9255(Top 81%)9255(Top 189%)
25.2M25.20 mi0.35 mi23030-289455-119455-1123324(Top 88%)9837(Top 86%)9837(Top 201%)
Finish26.22 mi1.02 mi22981+499439+169439+1621710(Top 82%)8965(Top 78%)8965(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

23330

Females

9507

F18-39

9507

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23605

Females

9681

F18-39

9681

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

23330

Females

9507

F18-39

9507

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22624

Females

9152

F18-39

9152

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23041

Females

9374

F18-39

9374

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23114

Females

9453

F18-39

9453

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23056

Females

9484

F18-39

9484

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22439

Females

9220

F18-39

9220

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22570

Females

9320

F18-39

9320

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23293

Females

9756

F18-39

9756

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22839

Females

9506

F18-39

9506

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23029

Females

9649

F18-39

9649

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22229

Females

9255

F18-39

9255

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23324

Females

9837

F18-39

9837

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21710

Females

8965

F18-39

8965

Passing Analysis

Category:
Athletes Passed
1221
Passed By
921
Net Change
+300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23281
5K → 10K130339-209#23281#23490
10K → 15K146103+43#23490#23447
15K → 20K23840+198#23447#23249
20K → Half4120+21#23249#23228
Half → 25K11491+23#23228#23205
25K → 30K135107+28#23205#23177
30K → 20M8822+66#23177#23111
20M → 21M7029+41#23111#23070
21M → 35K2137-16#23070#23086
35K → 23M6739+28#23086#23058
23M → 24M3832+6#23058#23052
24M → 40K6111+50#23052#23002
40K → 25.2M634-28#23002#23030
25.2M → Finish6617+49#23030#22981
TOTALS1221921+300
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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