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BOSTON MARATHON 2023

Laurie (garrec) Nobilski

Bib: 19494•F

CT

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
26:14
Rank: #17187
Start → 5K
26:14 | 8:27/mi
10K· 6.21 mi
51:53
Rank: #16862 (+325)
5K → 10K
25:39 | 8:15/mi
15K· 9.32 mi
1:17:37
Rank: #16711 (+151)
10K → 15K
25:44 | 8:17/mi
20K· 12.43 mi
1:44:18
Rank: #16885 (-174)
15K → 20K
26:41 | 8:35/mi
Half· 13.11 mi
1:49:58
Rank: #16864 (+21)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:10:41
Rank: #16815 (+49)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:38:30
Rank: #16800 (+15)
25K → 30K
27:49 | 8:57/mi
20M
2:50:36
Rank: #16720 (+80)
30K → 20M
12:06 | 8:54/mi
21M
3:00:09
Rank: #16692 (+28)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
3:06:37
Rank: #16649 (+43)
21M → 35K
6:28 | 8:39/mi
23M
3:18:14
Rank: #16693 (-44)
35K → 23M
11:37 | 9:17/mi
24M
3:27:26
Rank: #16767 (-74)
23M → 24M
9:12 | 9:12/mi
40K· 24.85 mi
3:35:29
Rank: #16819 (-52)
24M → 40K
8:03 | 9:25/mi
25.2M
3:38:50
Rank: #16805 (+14)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:48:00
Rank: #16854 (-49)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:58
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:58:02
Pace9:00 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2726:148:2726:14
8:27
-
10K
6.21 mi11:44:0651:538:2125:39
8:15
-0:12
15K
9.32 mi12:09:501:17:378:2025:44
8:17
+0:02
20K
12.43 mi12:36:311:44:188:2426:41
8:35
+0:18
Half
13.11 mi12:42:111:49:588:235:40
8:18
-0:17
25K
15.53 mi13:02:542:10:418:2520:43
8:33
+0:15
30K
18.64 mi13:30:432:38:308:3027:49
8:57
+0:24
20M
20.00 mi13:42:492:50:368:3212:06
8:54
-0:03
21M
21.00 mi13:52:223:00:098:359:33
9:33
+0:39
35K
21.75 mi13:58:503:06:378:356:28
8:39
-0:54
23M
23.00 mi14:10:273:18:148:3711:37
9:17
+0:38
24M
24.00 mi14:19:393:27:268:399:12
9:12
-0:05
40K
24.85 mi14:27:423:35:298:408:03
9:25
+0:13
25.2M
25.20 mi14:31:033:38:508:413:21
9:43
+0:18
Finish
26.22 mi14:40:133:48:008:429:10
9:00
-0:43

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

8:15 /mi

Average Pace

8:42 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:14

82% of race

Time at Steady Pace

41:46

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /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 mi11:18:2726:148:2726:14
8:27
#17187
10K
6.21 mi11:44:0651:538:2125:39
8:15
#16862
15K
9.32 mi12:09:501:17:378:2025:44
8:17
#16711
20K
12.43 mi12:36:311:44:188:2426:41
8:35
#16885
Half
13.11 mi12:42:111:49:588:235:40
8:18
#16864
25K
15.53 mi13:02:542:10:418:2520:43
8:33
#16815
30K
18.64 mi13:30:432:38:308:3027:49
8:57
#16800
20M
20.00 mi13:42:492:50:368:3212:06
8:54
#16720
21M
21.00 mi13:52:223:00:098:359:33
9:33
#16692
35K
21.75 mi13:58:503:06:378:356:28
8:39
#16649
23M
23.00 mi14:10:273:18:148:3711:37
9:17
#16693
24M
24.00 mi14:19:393:27:268:399:12
9:12
#16767
40K
24.85 mi14:27:423:35:298:408:03
9:25
#16819
25.2M
25.20 mi14:31:033:38:508:413:21
9:43
#16805
Finish
26.22 mi14:40:133:48:008:429:10
9:00
#16854
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi171876057605716445(Top 62%)5564(Top 49%)5564(Top 114%)
10K6.21 mi3.10 mi16862+3255819+2385819+23816632(Top 62%)5658(Top 50%)5658(Top 116%)
15K9.32 mi3.11 mi16711+1515739+805739+8016445(Top 62%)5564(Top 49%)5564(Top 114%)
20K12.43 mi3.11 mi16885-1745859-1205859-12017430(Top 65%)6183(Top 54%)6183(Top 127%)
Half13.11 mi0.68 mi16864+215840+195840+1916574(Top 62%)5657(Top 50%)5657(Top 116%)
25K15.53 mi2.42 mi16815+495845-55845-516475(Top 62%)5708(Top 50%)5708(Top 117%)
30K18.64 mi3.11 mi16800+155846-15846-116938(Top 64%)6029(Top 53%)6029(Top 123%)
20M20.00 mi1.36 mi16720+805822+245822+2416047(Top 60%)5603(Top 49%)5603(Top 115%)
21M21.00 mi1.00 mi16692+285814+85814+816227(Top 61%)5755(Top 50%)5755(Top 118%)
35K21.75 mi0.75 mi16649+435800+145800+1416139(Top 61%)5778(Top 51%)5778(Top 118%)
23M23.00 mi1.25 mi16693-445844-445844-4417419(Top 65%)6514(Top 57%)6514(Top 133%)
24M24.00 mi1.00 mi16767-745905-615905-6118066(Top 68%)6936(Top 61%)6936(Top 142%)
40K24.85 mi0.85 mi16819-525956-515956-5118032(Top 68%)6961(Top 61%)6961(Top 143%)
25.2M25.20 mi0.35 mi16805+145952+45952+416239(Top 61%)6006(Top 53%)6006(Top 123%)
Finish26.22 mi1.02 mi16854-495991-395991-3917965(Top 67%)6891(Top 60%)6891(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16445

Females

5564

F18-39

5564

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16632

Females

5658

F18-39

5658

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16445

Females

5564

F18-39

5564

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17430

Females

6183

F18-39

6183

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16574

Females

5657

F18-39

5657

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16475

Females

5708

F18-39

5708

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16938

Females

6029

F18-39

6029

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16047

Females

5603

F18-39

5603

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16227

Females

5755

F18-39

5755

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16139

Females

5778

F18-39

5778

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17419

Females

6514

F18-39

6514

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18066

Females

6936

F18-39

6936

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18032

Females

6961

F18-39

6961

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16239

Females

6006

F18-39

6006

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17965

Females

6891

F18-39

6891

Passing Analysis

Category:
Athletes Passed
1796
Passed By
1463
Net Change
+333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17187
5K → 10K511186+325#17187#16862
10K → 15K281130+151#16862#16711
15K → 20K121295-174#16711#16885
20K → Half4322+21#16885#16864
Half → 25K14293+49#16864#16815
25K → 30K175160+15#16815#16800
30K → 20M12444+80#16800#16720
20M → 21M9668+28#16720#16692
21M → 35K7027+43#16692#16649
35K → 23M66110-44#16649#16693
23M → 24M39113-74#16693#16767
24M → 40K3890-52#16767#16819
40K → 25.2M3622+14#16819#16805
25.2M → Finish54103-49#16805#16854
TOTALS17961463+333
📊

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