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BOSTON MARATHON 2023

Lindsay Harroff

Bib: 17078•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:44
Rank: #16023
Start → 5K
25:44 | 8:17/mi
10K· 6.21 mi
50:53
Rank: #15737 (+286)
5K → 10K
25:09 | 8:06/mi
15K· 9.32 mi
1:15:44
Rank: #15305 (+432)
10K → 15K
24:51 | 8:00/mi
20K· 12.43 mi
1:40:44
Rank: #14901 (+404)
15K → 20K
25:00 | 8:03/mi
Half· 13.11 mi
1:46:06
Rank: #14828 (+73)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:05:25
Rank: #14457 (+371)
Half → 25K
19:19 | 7:58/mi
30K· 18.64 mi
2:30:08
Rank: #13711 (+746)
25K → 30K
24:43 | 7:57/mi
20M
2:41:07
Rank: #13470 (+241)
30K → 20M
10:59 | 8:05/mi
21M
2:49:30
Rank: #13219 (+251)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:55:17
Rank: #13087 (+132)
21M → 35K
5:47 | 7:44/mi
23M
3:05:12
Rank: #12859 (+228)
35K → 23M
9:55 | 7:55/mi
24M
3:12:44
Rank: #12615 (+244)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:19:20
Rank: #12450 (+165)
24M → 40K
6:36 | 7:43/mi
25.2M
3:22:07
Rank: #12348 (+102)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:29:34
Rank: #12116 (+232)
25.2M → Finish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:06
Pace8:06 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:28
Pace7:54 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5425:448:1725:44
8:17
-
10K
6.21 mi11:43:0350:538:1125:09
8:06
-0:11
15K
9.32 mi12:07:541:15:448:0824:51
8:00
-0:06
20K
12.43 mi12:32:541:40:448:0625:00
8:03
+0:03
Half
13.11 mi12:38:161:46:068:065:22
7:52
-0:11
25K
15.53 mi12:57:352:05:258:0419:19
7:58
+0:06
30K
18.64 mi13:22:182:30:088:0324:43
7:57
-0:01
20M
20.00 mi13:33:172:41:078:0310:59
8:05
+0:08
21M
21.00 mi13:41:402:49:308:048:23
8:23
+0:18
35K
21.75 mi13:47:272:55:178:045:47
7:44
-0:39
23M
23.00 mi13:57:223:05:128:039:55
7:55
+0:11
24M
24.00 mi14:04:543:12:448:027:32
7:32
-0:23
40K
24.85 mi14:11:303:19:208:016:36
7:43
+0:11
25.2M
25.20 mi14:14:173:22:078:012:47
8:04
+0:21
Finish
26.22 mi14:21:443:29:348:007:27
7:19
-0:45

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

7:19 /mi

Average Pace

8:00 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:32

53% of race

Time at Steady Pace

1:38:02

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi11:17:5425:448:1725:44
8:17
#16023
10K
6.21 mi11:43:0350:538:1125:09
8:06
#15737
15K
9.32 mi12:07:541:15:448:0824:51
8:00
#15305
20K
12.43 mi12:32:541:40:448:0625:00
8:03
#14901
Half
13.11 mi12:38:161:46:068:065:22
7:52
#14828
25K
15.53 mi12:57:352:05:258:0419:19
7:58
#14457
30K
18.64 mi13:22:182:30:088:0324:43
7:57
#13711
20M
20.00 mi13:33:172:41:078:0310:59
8:05
#13470
21M
21.00 mi13:41:402:49:308:048:23
8:23
#13219
35K
21.75 mi13:47:272:55:178:045:47
7:44
#13087
23M
23.00 mi13:57:223:05:128:039:55
7:55
#12859
24M
24.00 mi14:04:543:12:448:027:32
7:32
#12615
40K
24.85 mi14:11:303:19:208:016:36
7:43
#12450
25.2M
25.20 mi14:14:173:22:078:012:47
8:04
#12348
Finish
26.22 mi14:21:443:29:348:007:27
7:19
#12116
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi160235296529614377(Top 54%)4308(Top 38%)4308(Top 88%)
10K6.21 mi3.10 mi15737+2865116+1805116+18015487(Top 58%)4950(Top 43%)4950(Top 101%)
15K9.32 mi3.11 mi15305+4324854+2624854+26214377(Top 54%)4308(Top 38%)4308(Top 88%)
20K12.43 mi3.11 mi14901+4044618+2364618+23613813(Top 52%)3993(Top 35%)3993(Top 82%)
Half13.11 mi0.68 mi14828+734576+424576+4213328(Top 50%)3677(Top 32%)3677(Top 75%)
25K15.53 mi2.42 mi14457+3714374+2024374+20212469(Top 47%)3341(Top 29%)3341(Top 68%)
30K18.64 mi3.11 mi13711+7463964+4103964+41010561(Top 40%)2425(Top 21%)2425(Top 50%)
20M20.00 mi1.36 mi13470+2413840+1243840+12410919(Top 41%)2699(Top 24%)2699(Top 55%)
21M21.00 mi1.00 mi13219+2513702+1383702+1389781(Top 37%)2290(Top 20%)2290(Top 47%)
35K21.75 mi0.75 mi13087+1323645+573645+5710210(Top 38%)2479(Top 22%)2479(Top 51%)
23M23.00 mi1.25 mi12859+2283545+1003545+1009252(Top 35%)2155(Top 19%)2155(Top 44%)
24M24.00 mi1.00 mi12615+2443419+1263419+1267983(Top 30%)1683(Top 15%)1683(Top 34%)
40K24.85 mi0.85 mi12450+1653343+763343+768154(Top 31%)1818(Top 16%)1818(Top 37%)
25.2M25.20 mi0.35 mi12348+1023295+483295+487037(Top 26%)1460(Top 13%)1460(Top 30%)
Finish26.22 mi1.02 mi12116+2323188+1073188+1077240(Top 27%)1533(Top 13%)1533(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14377

Females

4308

F18-39

4308

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15487

Females

4950

F18-39

4950

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14377

Females

4308

F18-39

4308

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13813

Females

3993

F18-39

3993

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13328

Females

3677

F18-39

3677

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12469

Females

3341

F18-39

3341

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10561

Females

2425

F18-39

2425

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10919

Females

2699

F18-39

2699

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9781

Females

2290

F18-39

2290

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10210

Females

2479

F18-39

2479

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9252

Females

2155

F18-39

2155

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7983

Females

1683

F18-39

1683

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8154

Females

1818

F18-39

1818

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7037

Females

1460

F18-39

1460

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7240

Females

1533

F18-39

1533

Passing Analysis

Category:
Athletes Passed
4233
Passed By
326
Net Change
+3907
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16023
5K → 10K469183+286#16023#15737
10K → 15K47442+432#15737#15305
15K → 20K43935+404#15305#14901
20K → Half818+73#14901#14828
Half → 25K38211+371#14828#14457
25K → 30K7471+746#14457#13711
30K → 20M2509+241#13711#13470
20M → 21M26211+251#13470#13219
21M → 35K1397+132#13219#13087
35K → 23M2346+228#13087#12859
23M → 24M2462+244#12859#12615
24M → 40K1672+165#12615#12450
40K → 25.2M1042+102#12450#12348
25.2M → Finish2397+232#12348#12116
TOTALS4233326+3907
📊

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