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BOSTON MARATHON 2023

Emily Shaub

Bib: 12309•F

OH

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0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:02
Rank: #8929
Start → 5K
23:02 | 7:25/mi
10K· 6.21 mi
45:36
Rank: #8717 (+212)
5K → 10K
22:34 | 7:16/mi
15K· 9.32 mi
1:08:05
Rank: #8493 (+224)
10K → 15K
22:29 | 7:14/mi
20K· 12.43 mi
1:30:52
Rank: #8333 (+160)
15K → 20K
22:47 | 7:20/mi
Half· 13.11 mi
1:35:48
Rank: #8315 (+18)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:53:32
Rank: #8135 (+180)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:16:42
Rank: #7878 (+257)
25K → 30K
23:10 | 7:27/mi
20M
2:26:46
Rank: #7722 (+156)
30K → 20M
10:04 | 7:24/mi
21M
2:34:33
Rank: #7596 (+126)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:39:54
Rank: #7518 (+78)
21M → 35K
5:21 | 7:09/mi
23M
2:49:12
Rank: #7388 (+130)
35K → 23M
9:18 | 7:26/mi
24M
2:56:27
Rank: #7286 (+102)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:02:43
Rank: #7224 (+62)
24M → 40K
6:16 | 7:20/mi
25.2M
3:05:27
Rank: #7164 (+60)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:12:47
Rank: #7090 (+74)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:48
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:36:59
Pace7:24 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0023:027:2523:02
7:25
-
10K
6.21 mi11:13:3445:367:2022:34
7:16
-0:09
15K
9.32 mi11:36:031:08:057:1822:29
7:14
-0:02
20K
12.43 mi11:58:501:30:527:1922:47
7:20
+0:06
Half
13.11 mi12:03:461:35:487:184:56
7:14
-0:06
25K
15.53 mi12:21:301:53:327:1917:44
7:19
+0:05
30K
18.64 mi12:44:402:16:427:2023:10
7:27
+0:08
20M
20.00 mi12:54:442:26:467:2010:04
7:24
-0:03
21M
21.00 mi13:02:312:34:337:227:47
7:47
+0:23
35K
21.75 mi13:07:522:39:547:215:21
7:09
-0:38
23M
23.00 mi13:17:102:49:127:219:18
7:26
+0:17
24M
24.00 mi13:24:252:56:277:217:15
7:15
-0:11
40K
24.85 mi13:30:413:02:437:216:16
7:20
+0:05
25.2M
25.20 mi13:33:253:05:277:222:44
7:56
+0:36
Finish
26.22 mi13:40:453:12:477:217:20
7:12
-0:44

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

7:09 /mi

Average Pace

7:21 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:03

99% of race

Time at Steady Pace

2:44

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:51:0023:027:2523:02
7:25
#8929
10K
6.21 mi11:13:3445:367:2022:34
7:16
#8717
15K
9.32 mi11:36:031:08:057:1822:29
7:14
#8493
20K
12.43 mi11:58:501:30:527:1922:47
7:20
#8333
Half
13.11 mi12:03:461:35:487:184:56
7:14
#8315
25K
15.53 mi12:21:301:53:327:1917:44
7:19
#8135
30K
18.64 mi12:44:402:16:427:2023:10
7:27
#7878
20M
20.00 mi12:54:442:26:467:2010:04
7:24
#7722
21M
21.00 mi13:02:312:34:337:227:47
7:47
#7596
35K
21.75 mi13:07:522:39:547:215:21
7:09
#7518
23M
23.00 mi13:17:102:49:127:219:18
7:26
#7388
24M
24.00 mi13:24:252:56:277:217:15
7:15
#7286
40K
24.85 mi13:30:413:02:437:216:16
7:20
#7224
25.2M
25.20 mi13:33:253:05:277:222:44
7:56
#7164
Finish
26.22 mi13:40:453:12:477:217:20
7:12
#7090
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8929136713678070(Top 30%)1092(Top 10%)1092(Top 22%)
10K6.21 mi3.10 mi8717+2121293+741293+748595(Top 32%)1256(Top 11%)1256(Top 26%)
15K9.32 mi3.11 mi8493+2241218+751218+758070(Top 30%)1092(Top 10%)1092(Top 22%)
20K12.43 mi3.11 mi8333+1601169+491169+498044(Top 30%)1116(Top 10%)1116(Top 23%)
Half13.11 mi0.68 mi8315+181165+41165+48125(Top 31%)1131(Top 10%)1131(Top 23%)
25K15.53 mi2.42 mi8135+1801131+341131+347385(Top 28%)970(Top 8%)970(Top 20%)
30K18.64 mi3.11 mi7878+2571070+611070+616947(Top 26%)913(Top 8%)913(Top 19%)
20M20.00 mi1.36 mi7722+1561029+411029+416249(Top 23%)769(Top 7%)769(Top 16%)
21M21.00 mi1.00 mi7596+1261004+251004+256108(Top 23%)835(Top 7%)835(Top 17%)
35K21.75 mi0.75 mi7518+78992+12992+126265(Top 24%)846(Top 7%)846(Top 17%)
23M23.00 mi1.25 mi7388+130971+21971+216047(Top 23%)830(Top 7%)830(Top 17%)
24M24.00 mi1.00 mi7286+102952+19952+196072(Top 23%)920(Top 8%)920(Top 19%)
40K24.85 mi0.85 mi7224+62949+3949+35671(Top 21%)861(Top 8%)861(Top 18%)
25.2M25.20 mi0.35 mi7164+60935+14935+146151(Top 23%)1101(Top 10%)1101(Top 23%)
Finish26.22 mi1.02 mi7090+74943-8943-86420(Top 24%)1198(Top 10%)1198(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8070

Females

1092

F18-39

1092

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8595

Females

1256

F18-39

1256

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8070

Females

1092

F18-39

1092

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8044

Females

1116

F18-39

1116

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8125

Females

1131

F18-39

1131

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7385

Females

970

F18-39

970

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6947

Females

913

F18-39

913

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6249

Females

769

F18-39

769

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6108

Females

835

F18-39

835

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6265

Females

846

F18-39

846

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6047

Females

830

F18-39

830

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6072

Females

920

F18-39

920

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5671

Females

861

F18-39

861

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6151

Females

1101

F18-39

1101

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6420

Females

1198

F18-39

1198

Passing Analysis

Category:
Athletes Passed
2277
Passed By
438
Net Change
+1839
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8929
5K → 10K376164+212#8929#8717
10K → 15K26844+224#8717#8493
15K → 20K20949+160#8493#8333
20K → Half3113+18#8333#8315
Half → 25K21131+180#8315#8135
25K → 30K28629+257#8135#7878
30K → 20M1637+156#7878#7722
20M → 21M13610+126#7722#7596
21M → 35K8810+78#7596#7518
35K → 23M14515+130#7518#7388
23M → 24M1119+102#7388#7286
24M → 40K8220+62#7286#7224
40K → 25.2M644+60#7224#7164
25.2M → Finish10733+74#7164#7090
TOTALS2277438+1839
📊

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