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BOSTON MARATHON 2023

Lauren Opachinski

Bib: 4692•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:14
Rank: #9449
Start → 5K
23:14 | 7:29/mi
10K· 6.21 mi
45:42
Rank: #8851 (+598)
5K → 10K
22:28 | 7:14/mi
15K· 9.32 mi
1:08:10
Rank: #8559 (+292)
10K → 15K
22:28 | 7:14/mi
20K· 12.43 mi
1:30:43
Rank: #8249 (+310)
15K → 20K
22:33 | 7:15/mi
Half· 13.11 mi
1:35:36
Rank: #8204 (+45)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:53:05
Rank: #7929 (+275)
Half → 25K
17:29 | 7:13/mi
30K· 18.64 mi
2:16:13
Rank: #7690 (+239)
25K → 30K
23:08 | 7:27/mi
20M
2:26:14
Rank: #7531 (+159)
30K → 20M
10:01 | 7:22/mi
21M
2:34:09
Rank: #7468 (+63)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:39:17
Rank: #7337 (+131)
21M → 35K
5:08 | 6:52/mi
23M
2:48:30
Rank: #7191 (+146)
35K → 23M
9:13 | 7:22/mi
24M
2:55:36
Rank: #7058 (+133)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
3:01:59
Rank: #7001 (+57)
24M → 40K
6:23 | 7:28/mi
25.2M
3:04:39
Rank: #6947 (+54)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:11:50
Rank: #6860 (+87)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:36
Pace7:18 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:14
Pace7:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2623:147:2923:14
7:29
-
10K
6.21 mi11:12:5445:427:2122:28
7:14
-0:15
15K
9.32 mi11:35:221:08:107:1922:28
7:14
0:00
20K
12.43 mi11:57:551:30:437:1822:33
7:15
+0:01
Half
13.11 mi12:02:481:35:367:184:53
7:09
-0:06
25K
15.53 mi12:20:171:53:057:1717:29
7:13
+0:04
30K
18.64 mi12:43:252:16:137:1823:08
7:27
+0:14
20M
20.00 mi12:53:262:26:147:1910:01
7:22
-0:05
21M
21.00 mi13:01:212:34:097:207:55
7:55
+0:33
35K
21.75 mi13:06:292:39:177:195:08
6:52
-1:03
23M
23.00 mi13:15:422:48:307:209:13
7:22
+0:30
24M
24.00 mi13:22:482:55:367:197:06
7:06
-0:16
40K
24.85 mi13:29:113:01:597:196:23
7:28
+0:22
25.2M
25.20 mi13:31:513:04:397:202:40
7:44
+0:16
Finish
26.22 mi13:39:023:11:507:197:11
7:03
-0:41

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

6:52 /mi

Average Pace

7:19 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:15

94% of race

Time at Steady Pace

10:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:50:2623:147:2923:14
7:29
#9449
10K
6.21 mi11:12:5445:427:2122:28
7:14
#8851
15K
9.32 mi11:35:221:08:107:1922:28
7:14
#8559
20K
12.43 mi11:57:551:30:437:1822:33
7:15
#8249
Half
13.11 mi12:02:481:35:367:184:53
7:09
#8204
25K
15.53 mi12:20:171:53:057:1717:29
7:13
#7929
30K
18.64 mi12:43:252:16:137:1823:08
7:27
#7690
20M
20.00 mi12:53:262:26:147:1910:01
7:22
#7531
21M
21.00 mi13:01:212:34:097:207:55
7:55
#7468
35K
21.75 mi13:06:292:39:177:195:08
6:52
#7337
23M
23.00 mi13:15:422:48:307:209:13
7:22
#7191
24M
24.00 mi13:22:482:55:367:197:06
7:06
#7058
40K
24.85 mi13:29:113:01:597:196:23
7:28
#7001
25.2M
25.20 mi13:31:513:04:397:202:40
7:44
#6947
Finish
26.22 mi13:39:023:11:507:197:11
7:03
#6860
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9449159415948026(Top 30%)1076(Top 9%)1076(Top 22%)
10K6.21 mi3.10 mi8851+5981347+2471347+2478343(Top 31%)1162(Top 10%)1162(Top 24%)
15K9.32 mi3.11 mi8559+2921246+1011246+1018026(Top 30%)1076(Top 9%)1076(Top 22%)
20K12.43 mi3.11 mi8249+3101138+1081138+1087503(Top 28%)931(Top 8%)931(Top 19%)
Half13.11 mi0.68 mi8204+451124+141124+147612(Top 29%)955(Top 8%)955(Top 20%)
25K15.53 mi2.42 mi7929+2751049+751049+756747(Top 25%)774(Top 7%)774(Top 16%)
30K18.64 mi3.11 mi7690+239997+52997+526871(Top 26%)886(Top 8%)886(Top 18%)
20M20.00 mi1.36 mi7531+159972+25972+256058(Top 23%)719(Top 6%)719(Top 15%)
21M21.00 mi1.00 mi7468+63965+7965+76853(Top 26%)1072(Top 9%)1072(Top 22%)
35K21.75 mi0.75 mi7337+131931+34931+344619(Top 17%)426(Top 4%)426(Top 9%)
23M23.00 mi1.25 mi7191+146899+32899+325666(Top 21%)704(Top 6%)704(Top 14%)
24M24.00 mi1.00 mi7058+133878+21878+215230(Top 20%)639(Top 6%)639(Top 13%)
40K24.85 mi0.85 mi7001+57877+1877+16526(Top 25%)1162(Top 10%)1162(Top 24%)
25.2M25.20 mi0.35 mi6947+548778775115(Top 19%)760(Top 7%)760(Top 16%)
Finish26.22 mi1.02 mi6860+87868+9868+95542(Top 21%)921(Top 8%)921(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8026

Females

1076

F18-39

1076

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8343

Females

1162

F18-39

1162

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8026

Females

1076

F18-39

1076

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7503

Females

931

F18-39

931

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7612

Females

955

F18-39

955

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6747

Females

774

F18-39

774

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6871

Females

886

F18-39

886

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6058

Females

719

F18-39

719

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6853

Females

1072

F18-39

1072

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4619

Females

426

F18-39

426

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5666

Females

704

F18-39

704

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5230

Females

639

F18-39

639

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6526

Females

1162

F18-39

1162

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5115

Females

760

F18-39

760

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5542

Females

921

F18-39

921

Passing Analysis

Category:
Athletes Passed
2850
Passed By
261
Net Change
+2589
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9449
5K → 10K67072+598#9449#8851
10K → 15K32331+292#8851#8559
15K → 20K32313+310#8559#8249
20K → Half516+45#8249#8204
Half → 25K2827+275#8204#7929
25K → 30K27233+239#7929#7690
30K → 20M16910+159#7690#7531
20M → 21M8926+63#7531#7468
21M → 35K1332+131#7468#7337
35K → 23M15610+146#7337#7191
23M → 24M1374+133#7191#7058
24M → 40K8225+57#7058#7001
40K → 25.2M595+54#7001#6947
25.2M → Finish10417+87#6947#6860
TOTALS2850261+2589
📊

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