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BOSTON MARATHON 2023

Lindsey Boyd

Bib: 17885•F

OH

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Division (F18-39)
#0 / 4884
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
7:28/mi
23:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
46:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:10:10
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:33:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:38:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:57:36
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:23:18
↑ 181↓ 1480.2%
20M
8:42/mi
2:35:07
↑ 64↓ 500.2%
21M
9:41/mi
2:44:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
2:51:09
↑ 17↓ 861.7%
23M
8:46/mi
3:02:07
↑ 23↓ 630.6%
24M
8:44/mi
3:10:51
↓ 821.3%
40K· 24.85 mi
9:55/mi
3:19:20
↓ 200.3%
25.2M
20:00/mi
3:26:14
↑ 13↓ 160.2%
Finish· 26.22 mi
17:00/mi
3:43:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:52
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time2:04:41
Pace9:31 /mi
📊Positive Split: 26.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3423:127:2823:12
7:28
-
10K
6.21 mi11:36:5846:367:3023:24
7:32
+0:04
15K
9.32 mi12:00:321:10:107:3223:34
7:35
+0:03
20K
12.43 mi12:24:071:33:457:3323:35
7:35
0:00
Half
13.11 mi12:29:141:38:527:325:07
7:30
-0:05
25K
15.53 mi12:47:581:57:367:3418:44
7:44
+0:14
30K
18.64 mi13:13:402:23:187:4125:42
8:16
+0:32
20M
20.00 mi13:25:292:35:077:4511:49
8:42
+0:26
21M
21.00 mi13:35:102:44:487:519:41
9:41
+0:59
35K
21.75 mi13:41:312:51:097:526:21
8:29
-1:12
23M
23.00 mi13:52:293:02:077:5510:58
8:46
+0:17
24M
24.00 mi14:01:133:10:517:578:44
8:44
-0:02
40K
24.85 mi14:09:423:19:208:018:29
9:55
+1:11
25.2M
25.20 mi14:16:363:26:148:116:54
20:00
+10:05
Finish
26.22 mi14:33:553:43:338:3217:19
17:00
-3:00

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

7:28 /mi

Average Pace

8:32 /mi

Slowest Pace

20:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:19:20

89% of race

Time at Slower Pace

24:13

11% of race

Average Pace: 8:32 /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 mi11:13:3423:127:2823:12
7:28
#9376
10K
6.21 mi11:36:5846:367:3023:24
7:32
#10030
15K
9.32 mi12:00:321:10:107:3223:34
7:35
#10318
20K
12.43 mi12:24:071:33:457:3323:35
7:35
#10232
Half
13.11 mi12:29:141:38:527:325:07
7:30
#10221
25K
15.53 mi12:47:581:57:367:3418:44
7:44
#10231
30K
18.64 mi13:13:402:23:187:4125:42
8:16
#10659
20M
20.00 mi13:25:292:35:077:4511:49
8:42
#10979
21M
21.00 mi13:35:102:44:487:519:41
9:41
#11403
35K
21.75 mi13:41:312:51:097:526:21
8:29
#11588
23M
23.00 mi13:52:293:02:077:5510:58
8:46
#11804
24M
24.00 mi14:01:133:10:517:578:44
8:44
#12006
40K
24.85 mi14:09:423:19:208:018:29
9:55
#12453
25.2M
25.20 mi14:16:363:26:148:116:54
20:00
#13530
Finish
26.22 mi14:33:553:43:338:3217:19
17:00
#15814
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi93761571157110909(Top 41%)2295(Top 20%)2295(Top 47%)
10K6.21 mi3.10 mi10030-6541855-2841855-28410742(Top 40%)2183(Top 19%)2183(Top 45%)
15K9.32 mi3.11 mi10318-2881968-1131968-11310909(Top 41%)2295(Top 20%)2295(Top 47%)
20K12.43 mi3.11 mi10232+861941+271941+2710043(Top 38%)1940(Top 17%)1940(Top 40%)
Half13.11 mi0.68 mi10221+111941194110339(Top 39%)2072(Top 18%)2072(Top 42%)
25K15.53 mi2.42 mi10231-101965-241965-2410533(Top 40%)2256(Top 20%)2256(Top 46%)
30K18.64 mi3.11 mi10659-4282234-2692234-26912863(Top 48%)3677(Top 32%)3677(Top 75%)
20M20.00 mi1.36 mi10979-3202421-1872421-18714860(Top 56%)4921(Top 43%)4921(Top 101%)
21M21.00 mi1.00 mi11403-4242674-2532674-25316787(Top 63%)6063(Top 53%)6063(Top 124%)
35K21.75 mi0.75 mi11588-1852799-1252799-12515278(Top 57%)5282(Top 46%)5282(Top 108%)
23M23.00 mi1.25 mi11804-2162937-1382937-13814783(Top 56%)5059(Top 44%)5059(Top 104%)
24M24.00 mi1.00 mi12006-2023083-1463083-14615869(Top 60%)5734(Top 50%)5734(Top 117%)
40K24.85 mi0.85 mi12453-4473346-2633346-26319755(Top 74%)7919(Top 69%)7919(Top 162%)
25.2M25.20 mi0.35 mi13530-10773988-6423988-64226587(Top 100%)11410(Top 100%)11410(Top 234%)
Finish26.22 mi1.02 mi15814-22845386-13985386-139826587(Top 100%)11414(Top 100%)11414(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10909

Females

2295

F18-39

2295

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10742

Females

2183

F18-39

2183

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10909

Females

2295

F18-39

2295

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10043

Females

1940

F18-39

1940

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10339

Females

2072

F18-39

2072

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10533

Females

2256

F18-39

2256

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12863

Females

3677

F18-39

3677

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14860

Females

4921

F18-39

4921

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16787

Females

6063

F18-39

6063

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15278

Females

5282

F18-39

5282

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14783

Females

5059

F18-39

5059

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15869

Females

5734

F18-39

5734

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19755

Females

7919

F18-39

7919

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

26587

Females

11410

F18-39

11410

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

26587

Females

11414

F18-39

11414

Passing Analysis

Category:
Athletes Passed
749*
Passed By
7185
Net Change
-6438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9376
5K → 10K95748-654#9376#10030
10K → 15K86373-288#10030#10318
15K → 20K199*113+86#10318#10232
20K → Half3625+11#10232#10221
Half → 25K133143-10#10221#10231
25K → 30K70498-428#10231#10659
30K → 20M27*347-320#10659#10979
20M → 21M18442-424#10979#11403
21M → 35K11196-185#11403#11588
35K → 23M44260-216#11588#11804
23M → 24M21223-202#11804#12006
24M → 40K8455-447#12006#12453
40K → 25.2M01077-1077#12453#13530
25.2M → Finish12285-2284#13530#15814
TOTALS749*7185-6438

* 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