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BOSTON MARATHON 2023

Naomi Wilcox

Bib: 9565•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
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
22:23
Rank: #7539
Start → 5K
22:23 | 7:12/mi
10K· 6.21 mi
44:25
Rank: #7422 (+117)
5K → 10K
22:02 | 7:06/mi
15K· 9.32 mi
1:06:29
Rank: #7318 (+104)
10K → 15K
22:04 | 7:06/mi
20K· 12.43 mi
1:28:31
Rank: #7074 (+244)
15K → 20K
22:02 | 7:06/mi
Half· 13.11 mi
1:33:19
Rank: #7052 (+22)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:50:33
Rank: #6873 (+179)
Half → 25K
17:14 | 7:06/mi
30K· 18.64 mi
2:13:12
Rank: #6658 (+215)
25K → 30K
22:39 | 7:17/mi
20M
2:23:19
Rank: #6624 (+34)
30K → 20M
10:07 | 7:27/mi
21M
2:31:05
Rank: #6550 (+74)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:36:34
Rank: #6552 (-2)
21M → 35K
5:29 | 7:20/mi
23M
2:46:07
Rank: #6543 (+9)
35K → 23M
9:33 | 7:38/mi
24M
2:53:43
Rank: #6575 (-32)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
3:00:27
Rank: #6588 (-13)
24M → 40K
6:44 | 7:53/mi
25.2M
3:03:24
Rank: #6631 (-43)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:11:23
Rank: #6736 (-105)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:19
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:38:04
Pace7:29 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1322:237:1222:23
7:12
-
10K
6.21 mi11:10:1544:257:0922:02
7:06
-0:06
15K
9.32 mi11:32:191:06:297:0822:04
7:06
0:00
20K
12.43 mi11:54:211:28:317:0722:02
7:06
0:00
Half
13.11 mi11:59:091:33:197:074:48
7:02
-0:04
25K
15.53 mi12:16:231:50:337:0717:14
7:06
+0:04
30K
18.64 mi12:39:022:13:127:0922:39
7:17
+0:11
20M
20.00 mi12:49:092:23:197:1010:07
7:27
+0:10
21M
21.00 mi12:56:552:31:057:127:46
7:46
+0:19
35K
21.75 mi13:02:242:36:347:125:29
7:20
-0:26
23M
23.00 mi13:11:572:46:077:139:33
7:38
+0:18
24M
24.00 mi13:19:332:53:437:147:36
7:36
-0:02
40K
24.85 mi13:26:173:00:277:166:44
7:53
+0:17
25.2M
25.20 mi13:29:143:03:247:172:57
8:33
+0:40
Finish
26.22 mi13:37:133:11:237:187:59
7:50
-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

7:02 /mi

Average Pace

7:18 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:10

46% of race

Time at Steady Pace

1:00:38

32% of race

Time at Slower Pace

42:35

22% of race

Average Pace: 7:18 /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 mi10:48:1322:237:1222:23
7:12
#7539
10K
6.21 mi11:10:1544:257:0922:02
7:06
#7422
15K
9.32 mi11:32:191:06:297:0822:04
7:06
#7318
20K
12.43 mi11:54:211:28:317:0722:02
7:06
#7074
Half
13.11 mi11:59:091:33:197:074:48
7:02
#7052
25K
15.53 mi12:16:231:50:337:0717:14
7:06
#6873
30K
18.64 mi12:39:022:13:127:0922:39
7:17
#6658
20M
20.00 mi12:49:092:23:197:1010:07
7:27
#6624
21M
21.00 mi12:56:552:31:057:127:46
7:46
#6550
35K
21.75 mi13:02:242:36:347:125:29
7:20
#6552
23M
23.00 mi13:11:572:46:077:139:33
7:38
#6543
24M
24.00 mi13:19:332:53:437:147:36
7:36
#6575
40K
24.85 mi13:26:173:00:277:166:44
7:53
#6588
25.2M
25.20 mi13:29:143:03:247:172:57
8:33
#6631
Finish
26.22 mi13:37:133:11:237:187:59
7:50
#6736
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi75398528527175(Top 27%)800(Top 7%)800(Top 16%)
10K6.21 mi3.10 mi7422+117833+19833+197405(Top 28%)862(Top 8%)862(Top 18%)
15K9.32 mi3.11 mi7318+104819+14819+147175(Top 27%)800(Top 7%)800(Top 16%)
20K12.43 mi3.11 mi7074+244761+58761+586525(Top 25%)663(Top 6%)663(Top 14%)
Half13.11 mi0.68 mi7052+22757+4757+46819(Top 26%)716(Top 6%)716(Top 15%)
25K15.53 mi2.42 mi6873+179719+38719+386175(Top 23%)601(Top 5%)601(Top 12%)
30K18.64 mi3.11 mi6658+215692+27692+275981(Top 22%)626(Top 5%)626(Top 13%)
20M20.00 mi1.36 mi6624+34699-7699-76458(Top 24%)835(Top 7%)835(Top 17%)
21M21.00 mi1.00 mi6550+74693+6693+66028(Top 23%)812(Top 7%)812(Top 17%)
35K21.75 mi0.75 mi6552-2700-7700-77352(Top 28%)1227(Top 11%)1227(Top 25%)
23M23.00 mi1.25 mi6543+9707-7707-77284(Top 27%)1281(Top 11%)1281(Top 26%)
24M24.00 mi1.00 mi6575-32732-25732-258414(Top 32%)1833(Top 16%)1833(Top 38%)
40K24.85 mi0.85 mi6588-13757-25757-259185(Top 35%)2247(Top 20%)2247(Top 46%)
25.2M25.20 mi0.35 mi6631-43776-19776-199888(Top 37%)2604(Top 23%)2604(Top 53%)
Finish26.22 mi1.02 mi6736-105820-44820-4410944(Top 41%)3152(Top 28%)3152(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7175

Females

800

F18-39

800

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7405

Females

862

F18-39

862

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7175

Females

800

F18-39

800

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6525

Females

663

F18-39

663

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6819

Females

716

F18-39

716

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6175

Females

601

F18-39

601

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5981

Females

626

F18-39

626

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6458

Females

835

F18-39

835

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6028

Females

812

F18-39

812

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7352

Females

1227

F18-39

1227

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7284

Females

1281

F18-39

1281

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8414

Females

1833

F18-39

1833

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9185

Females

2247

F18-39

2247

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9888

Females

2604

F18-39

2604

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10944

Females

3152

F18-39

3152

Passing Analysis

Category:
Athletes Passed
1613
Passed By
810
Net Change
+803
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7539
5K → 10K283166+117#7539#7422
10K → 15K19389+104#7422#7318
15K → 20K26016+244#7318#7074
20K → Half297+22#7074#7052
Half → 25K19213+179#7052#6873
25K → 30K23823+215#6873#6658
30K → 20M7945+34#6658#6624
20M → 21M9824+74#6624#6550
21M → 35K4446-2#6550#6552
35K → 23M6859+9#6552#6543
23M → 24M3567-32#6543#6575
24M → 40K5366-13#6575#6588
40K → 25.2M1457-43#6588#6631
25.2M → Finish27132-105#6631#6736
TOTALS1613810+803
📊

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