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BOSTON MARATHON 2023

Lauren Parrinello

Bib: 17065•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Division (F18-39)
#0 / 4884
Top 35%
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
7:43/mi
23:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:11:17
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:35:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:40:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:59:30
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:23:53
↑ 181↓ 1480.2%
20M
7:51/mi
2:34:33
↑ 64↓ 500.2%
21M
8:13/mi
2:42:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:40/mi
2:48:30
↑ 17↓ 861.7%
23M
8:03/mi
2:58:35
↑ 23↓ 630.6%
24M
7:55/mi
3:06:30
↓ 821.3%
40K· 24.85 mi
7:56/mi
3:13:17
↓ 200.3%
25.2M
8:27/mi
3:16:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:24:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:32
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3723:577:4323:57
7:43
-
10K
6.21 mi11:38:0847:287:3823:31
7:34
-0:09
15K
9.32 mi12:01:571:11:177:3923:49
7:40
+0:06
20K
12.43 mi12:25:581:35:187:4024:01
7:44
+0:04
Half
13.11 mi12:31:121:40:327:405:14
7:40
-0:04
25K
15.53 mi12:50:101:59:307:4218:58
7:49
+0:09
30K
18.64 mi13:14:332:23:537:4324:23
7:51
+0:02
20M
20.00 mi13:25:132:34:337:4410:40
7:51
0:00
21M
21.00 mi13:33:262:42:467:458:13
8:13
+0:22
35K
21.75 mi13:39:102:48:307:455:44
7:40
-0:33
23M
23.00 mi13:49:152:58:357:4610:05
8:03
+0:23
24M
24.00 mi13:57:103:06:307:467:55
7:55
-0:08
40K
24.85 mi14:03:573:13:177:476:47
7:56
+0:01
25.2M
25.20 mi14:06:523:16:127:472:55
8:27
+0:31
Finish
26.22 mi14:14:453:24:057:477:53
7:44
-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

7:34 /mi

Average Pace

7:47 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:10

99% of race

Time at Steady Pace

2:55

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi11:14:3723:577:4323:57
7:43
#11534
10K
6.21 mi11:38:0847:287:3823:31
7:34
#11256
15K
9.32 mi12:01:571:11:177:3923:49
7:40
#11347
20K
12.43 mi12:25:581:35:187:4024:01
7:44
#11253
Half
13.11 mi12:31:121:40:327:405:14
7:40
#11267
25K
15.53 mi12:50:101:59:307:4218:58
7:49
#11238
30K
18.64 mi13:14:332:23:537:4324:23
7:51
#10912
20M
20.00 mi13:25:132:34:337:4410:40
7:51
#10755
21M
21.00 mi13:33:262:42:467:458:13
8:13
#10626
35K
21.75 mi13:39:102:48:307:455:44
7:40
#10555
23M
23.00 mi13:49:152:58:357:4610:05
8:03
#10522
24M
24.00 mi13:57:103:06:307:467:55
7:55
#10512
40K
24.85 mi14:03:573:13:177:476:47
7:56
#10455
25.2M
25.20 mi14:06:523:16:127:472:55
8:27
#10417
Finish
26.22 mi14:14:453:24:057:477:53
7:44
#10383
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi115342607260711563(Top 43%)2661(Top 23%)2661(Top 54%)
10K6.21 mi3.10 mi11256+2782471+1362471+13611058(Top 42%)2345(Top 21%)2345(Top 48%)
15K9.32 mi3.11 mi11347-912516-452516-4511563(Top 43%)2661(Top 23%)2661(Top 54%)
20K12.43 mi3.11 mi11253+942473+432473+4311152(Top 42%)2485(Top 22%)2485(Top 51%)
Half13.11 mi0.68 mi11267-142480-72480-711648(Top 44%)2692(Top 24%)2692(Top 55%)
25K15.53 mi2.42 mi11238+292494-142494-1411295(Top 42%)2651(Top 23%)2651(Top 54%)
30K18.64 mi3.11 mi10912+3262353+1412353+1419743(Top 37%)2040(Top 18%)2040(Top 42%)
20M20.00 mi1.36 mi10755+1572310+432310+439256(Top 35%)1915(Top 17%)1915(Top 39%)
21M21.00 mi1.00 mi10626+1292261+492261+498737(Top 33%)1822(Top 16%)1822(Top 37%)
35K21.75 mi0.75 mi10555+712251+102251+109742(Top 37%)2246(Top 20%)2246(Top 46%)
23M23.00 mi1.25 mi10522+332259-82259-810145(Top 38%)2572(Top 23%)2572(Top 53%)
24M24.00 mi1.00 mi10512+102287-282287-2810666(Top 40%)2910(Top 25%)2910(Top 60%)
40K24.85 mi0.85 mi10455+572288-12288-19615(Top 36%)2460(Top 22%)2460(Top 50%)
25.2M25.20 mi0.35 mi10417+382281+72281+79315(Top 35%)2374(Top 21%)2374(Top 49%)
Finish26.22 mi1.02 mi10383+342287-62287-610223(Top 38%)2800(Top 25%)2800(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11563

Females

2661

F18-39

2661

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11058

Females

2345

F18-39

2345

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11563

Females

2661

F18-39

2661

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11152

Females

2485

F18-39

2485

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11648

Females

2692

F18-39

2692

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11295

Females

2651

F18-39

2651

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9743

Females

2040

F18-39

2040

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9256

Females

1915

F18-39

1915

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8737

Females

1822

F18-39

1822

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9742

Females

2246

F18-39

2246

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10145

Females

2572

F18-39

2572

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10666

Females

2910

F18-39

2910

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9615

Females

2460

F18-39

2460

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9315

Females

2374

F18-39

2374

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10223

Females

2800

F18-39

2800

Passing Analysis

Category:
Athletes Passed
2141*
Passed By
990
Net Change
+1151
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11534
5K → 10K450172+278#11534#11256
10K → 15K152243-91#11256#11347
15K → 20K206112+94#11347#11253
20K → Half2135-14#11253#11267
Half → 25K137108+29#11267#11238
25K → 30K36236+326#11238#10912
30K → 20M167*10+157#10912#10755
20M → 21M14617+129#10755#10626
21M → 35K8817+71#10626#10555
35K → 23M9562+33#10555#10522
23M → 24M7767+10#10522#10512
24M → 40K9639+57#10512#10455
40K → 25.2M5416+38#10455#10417
25.2M → Finish9056+34#10417#10383
TOTALS2141*990+1151

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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