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BOSTON MARATHON 2023

Lauren Groppi

Bib: 17495•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 33%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #13226
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
48:55
Rank: #13374 (-148)
5K → 10K
24:23 | 7:51/mi
15K· 9.32 mi
1:13:59
Rank: #13896 (-522)
10K → 15K
25:04 | 8:04/mi
20K· 12.43 mi
1:39:42
Rank: #14279 (-383)
15K → 20K
25:43 | 8:17/mi
Half· 13.11 mi
1:45:18
Rank: #14349 (-70)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:05:46
Rank: #14626 (-277)
Half → 25K
20:28 | 8:26/mi
30K· 18.64 mi
2:33:20
Rank: #14980 (-354)
25K → 30K
27:34 | 8:52/mi
20M
2:45:28
Rank: #15056 (-76)
30K → 20M
12:08 | 8:56/mi
21M
2:54:47
Rank: #15049 (+7)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
3:01:23
Rank: #15110 (-61)
21M → 35K
6:36 | 8:49/mi
23M
3:12:37
Rank: #15121 (-11)
35K → 23M
11:14 | 8:58/mi
24M
3:21:28
Rank: #15170 (-49)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
3:29:11
Rank: #15221 (-51)
24M → 40K
7:43 | 9:02/mi
25.2M
3:32:30
Rank: #15231 (-10)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:41:29
Rank: #15300 (-69)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:18
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:56:11
Pace8:52 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0624:327:5424:32
7:54
-
10K
6.21 mi11:39:2948:557:5224:23
7:51
-0:03
15K
9.32 mi12:04:331:13:597:5625:04
8:04
+0:13
20K
12.43 mi12:30:161:39:428:0125:43
8:17
+0:13
Half
13.11 mi12:35:521:45:188:025:36
8:12
-0:05
25K
15.53 mi12:56:202:05:468:0620:28
8:26
+0:14
30K
18.64 mi13:23:542:33:208:1427:34
8:52
+0:26
20M
20.00 mi13:36:022:45:288:1612:08
8:56
+0:04
21M
21.00 mi13:45:212:54:478:199:19
9:19
+0:23
35K
21.75 mi13:51:573:01:238:206:36
8:49
-0:30
23M
23.00 mi14:03:113:12:378:2211:14
8:58
+0:09
24M
24.00 mi14:12:023:21:288:248:51
8:51
-0:07
40K
24.85 mi14:19:453:29:118:257:43
9:02
+0:11
25.2M
25.20 mi14:23:043:32:308:263:19
9:37
+0:35
Finish
26.22 mi14:32:033:41:298:278:59
8:49
-0:48

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

7:51 /mi

Average Pace

8:27 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:46

57% of race

Time at Steady Pace

1:23:05

38% of race

Time at Slower Pace

12:38

6% of race

Average Pace: 8:27 /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 mi11:15:0624:327:5424:32
7:54
#13226
10K
6.21 mi11:39:2948:557:5224:23
7:51
#13374
15K
9.32 mi12:04:331:13:597:5625:04
8:04
#13896
20K
12.43 mi12:30:161:39:428:0125:43
8:17
#14279
Half
13.11 mi12:35:521:45:188:025:36
8:12
#14349
25K
15.53 mi12:56:202:05:468:0620:28
8:26
#14626
30K
18.64 mi13:23:542:33:208:1427:34
8:52
#14980
20M
20.00 mi13:36:022:45:288:1612:08
8:56
#15056
21M
21.00 mi13:45:212:54:478:199:19
9:19
#15049
35K
21.75 mi13:51:573:01:238:206:36
8:49
#15110
23M
23.00 mi14:03:113:12:378:2211:14
8:58
#15121
24M
24.00 mi14:12:023:21:288:248:51
8:51
#15170
40K
24.85 mi14:19:453:29:118:257:43
9:02
#15221
25.2M
25.20 mi14:23:043:32:308:263:19
9:37
#15231
Finish
26.22 mi14:32:033:41:298:278:59
8:49
#15300
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi132263570357014961(Top 56%)4657(Top 41%)4657(Top 248%)
10K6.21 mi3.10 mi13374-1483670-1003670-10013566(Top 51%)3776(Top 33%)3776(Top 201%)
15K9.32 mi3.11 mi13896-5223997-3273997-32714961(Top 56%)4657(Top 41%)4657(Top 248%)
20K12.43 mi3.11 mi14279-3834245-2484245-24815478(Top 58%)5017(Top 44%)5017(Top 267%)
Half13.11 mi0.68 mi14349-704288-434288-4315898(Top 60%)5230(Top 46%)5230(Top 278%)
25K15.53 mi2.42 mi14626-2774483-1954483-19515850(Top 60%)5346(Top 47%)5346(Top 285%)
30K18.64 mi3.11 mi14980-3544733-2504733-25016500(Top 62%)5786(Top 51%)5786(Top 308%)
20M20.00 mi1.36 mi15056-764810-774810-7716167(Top 61%)5664(Top 50%)5664(Top 302%)
21M21.00 mi1.00 mi15049+74830-204830-2015095(Top 57%)5112(Top 45%)5112(Top 272%)
35K21.75 mi0.75 mi15110-614885-554885-5517057(Top 64%)6295(Top 55%)6295(Top 335%)
23M23.00 mi1.25 mi15121-114914-294914-2915925(Top 60%)5695(Top 50%)5695(Top 303%)
24M24.00 mi1.00 mi15170-494957-434957-4316503(Top 62%)6079(Top 53%)6079(Top 324%)
40K24.85 mi0.85 mi15221-515006-495006-4916294(Top 61%)6019(Top 53%)6019(Top 321%)
25.2M25.20 mi0.35 mi15231-105023-175023-1715775(Top 59%)5731(Top 50%)5731(Top 305%)
Finish26.22 mi1.02 mi15300-695083-605083-6017120(Top 64%)6435(Top 56%)6435(Top 343%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14961

Females

4657

F40-44

4657

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13566

Females

3776

F40-44

3776

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14961

Females

4657

F40-44

4657

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15478

Females

5017

F40-44

5017

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15898

Females

5230

F40-44

5230

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

15850

Females

5346

F40-44

5346

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16500

Females

5786

F40-44

5786

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16167

Females

5664

F40-44

5664

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15095

Females

5112

F40-44

5112

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

17057

Females

6295

F40-44

6295

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15925

Females

5695

F40-44

5695

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16503

Females

6079

F40-44

6079

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16294

Females

6019

F40-44

6019

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15775

Females

5731

F40-44

5731

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17120

Females

6435

F40-44

6435

Passing Analysis

Category:
Athletes Passed
983
Passed By
3057
Net Change
-2074
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13226
5K → 10K237385-148#13226#13374
10K → 15K58580-522#13374#13896
15K → 20K90473-383#13896#14279
20K → Half1080-70#14279#14349
Half → 25K77354-277#14349#14626
25K → 30K77431-354#14626#14980
30K → 20M63139-76#14980#15056
20M → 21M9386+7#15056#15049
21M → 35K2889-61#15049#15110
35K → 23M7586-11#15110#15121
23M → 24M5099-49#15121#15170
24M → 40K4495-51#15170#15221
40K → 25.2M3646-10#15221#15231
25.2M → Finish45114-69#15231#15300
TOTALS9833057-2074
📊

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