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BOSTON MARATHON 2023

Emily Levenson

Bib: 12347•F

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:33
Rank: #10357
Start → 5K
23:33 | 7:35/mi
10K· 6.21 mi
46:37
Rank: #10050 (+307)
5K → 10K
23:04 | 7:25/mi
15K· 9.32 mi
1:09:21
Rank: #9531 (+519)
10K → 15K
22:44 | 7:19/mi
20K· 12.43 mi
1:32:01
Rank: #9040 (+491)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:36:55
Rank: #8962 (+78)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:54:32
Rank: #8622 (+340)
Half → 25K
17:37 | 7:16/mi
30K· 18.64 mi
2:17:37
Rank: #8237 (+385)
25K → 30K
23:05 | 7:26/mi
20M
2:27:46
Rank: #8089 (+148)
30K → 20M
10:09 | 7:28/mi
21M
2:35:32
Rank: #7917 (+172)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:40:52
Rank: #7824 (+93)
21M → 35K
5:20 | 7:08/mi
23M
2:50:31
Rank: #7796 (+28)
35K → 23M
9:39 | 7:42/mi
24M
2:58:09
Rank: #7813 (-17)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:04:45
Rank: #7809 (+4)
24M → 40K
6:36 | 7:43/mi
25.2M
3:07:33
Rank: #7785 (+24)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:15:06
Rank: #7761 (+24)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:38:11
Pace7:29 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5823:337:3523:33
7:35
-
10K
6.21 mi11:14:0246:377:3023:04
7:25
-0:10
15K
9.32 mi11:36:461:09:217:2622:44
7:19
-0:06
20K
12.43 mi11:59:261:32:017:2422:40
7:18
-0:01
Half
13.11 mi12:04:201:36:557:244:54
7:11
-0:07
25K
15.53 mi12:21:571:54:327:2217:37
7:16
+0:05
30K
18.64 mi12:45:022:17:377:2323:05
7:26
+0:10
20M
20.00 mi12:55:112:27:467:2310:09
7:28
+0:02
21M
21.00 mi13:02:572:35:327:247:46
7:46
+0:18
35K
21.75 mi13:08:172:40:527:245:20
7:08
-0:38
23M
23.00 mi13:17:562:50:317:259:39
7:42
+0:34
24M
24.00 mi13:25:342:58:097:257:38
7:38
-0:04
40K
24.85 mi13:32:103:04:457:266:36
7:43
+0:05
25.2M
25.20 mi13:34:583:07:337:272:48
8:07
+0:24
Finish
26.22 mi13:42:313:15:067:277:33
7:25
-0:42

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

7:08 /mi

Average Pace

7:27 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:18

99% of race

Time at Steady Pace

2:48

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:50:5823:337:3523:33
7:35
#10357
10K
6.21 mi11:14:0246:377:3023:04
7:25
#10050
15K
9.32 mi11:36:461:09:217:2622:44
7:19
#9531
20K
12.43 mi11:59:261:32:017:2422:40
7:18
#9040
Half
13.11 mi12:04:201:36:557:244:54
7:11
#8962
25K
15.53 mi12:21:571:54:327:2217:37
7:16
#8622
30K
18.64 mi12:45:022:17:377:2323:05
7:26
#8237
20M
20.00 mi12:55:112:27:467:2310:09
7:28
#8089
21M
21.00 mi13:02:572:35:327:247:46
7:46
#7917
35K
21.75 mi13:08:172:40:527:245:20
7:08
#7824
23M
23.00 mi13:17:562:50:317:259:39
7:42
#7796
24M
24.00 mi13:25:342:58:097:257:38
7:38
#7813
40K
24.85 mi13:32:103:04:457:266:36
7:43
#7809
25.2M
25.20 mi13:34:583:07:337:272:48
8:07
#7785
Finish
26.22 mi13:42:313:15:067:277:33
7:25
#7761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10357201420148712(Top 33%)1327(Top 12%)1327(Top 27%)
10K6.21 mi3.10 mi10050+3071859+1551859+1559856(Top 37%)1748(Top 15%)1748(Top 36%)
15K9.32 mi3.11 mi9531+5191629+2301629+2308712(Top 33%)1327(Top 12%)1327(Top 27%)
20K12.43 mi3.11 mi9040+4911454+1751454+1757769(Top 29%)1023(Top 9%)1023(Top 21%)
Half13.11 mi0.68 mi8962+781429+251429+257796(Top 29%)1016(Top 9%)1016(Top 21%)
25K15.53 mi2.42 mi8622+3401304+1251304+1257090(Top 27%)872(Top 8%)872(Top 18%)
30K18.64 mi3.11 mi8237+3851204+1001204+1006781(Top 25%)859(Top 8%)859(Top 18%)
20M20.00 mi1.36 mi8089+1481166+381166+386619(Top 25%)898(Top 8%)898(Top 18%)
21M21.00 mi1.00 mi7917+1721114+521114+526034(Top 23%)818(Top 7%)818(Top 17%)
35K21.75 mi0.75 mi7824+931093+211093+216136(Top 23%)807(Top 7%)807(Top 17%)
23M23.00 mi1.25 mi7796+281112-191112-197781(Top 29%)1479(Top 13%)1479(Top 30%)
24M24.00 mi1.00 mi7813-171138-261138-268644(Top 32%)1931(Top 17%)1931(Top 40%)
40K24.85 mi0.85 mi7809+41156-181156-188119(Top 30%)1783(Top 16%)1783(Top 37%)
25.2M25.20 mi0.35 mi7785+241153+31153+37261(Top 27%)1505(Top 13%)1505(Top 31%)
Finish26.22 mi1.02 mi7761+241164-111164-117871(Top 30%)1770(Top 15%)1770(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8712

Females

1327

F18-39

1327

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9856

Females

1748

F18-39

1748

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8712

Females

1327

F18-39

1327

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7769

Females

1023

F18-39

1023

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7796

Females

1016

F18-39

1016

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7090

Females

872

F18-39

872

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6781

Females

859

F18-39

859

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6619

Females

898

F18-39

898

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6034

Females

818

F18-39

818

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6136

Females

807

F18-39

807

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7781

Females

1479

F18-39

1479

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8644

Females

1931

F18-39

1931

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8119

Females

1783

F18-39

1783

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7261

Females

1505

F18-39

1505

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7871

Females

1770

F18-39

1770

Passing Analysis

Category:
Athletes Passed
3120*
Passed By
524
Net Change
+2596
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10357
5K → 10K477*170+307#10357#10050
10K → 15K545*26+519#10050#9531
15K → 20K50110+491#9531#9040
20K → Half802+78#9040#8962
Half → 25K3466+340#8962#8622
25K → 30K40015+385#8622#8237
30K → 20M16618+148#8237#8089
20M → 21M18210+172#8089#7917
21M → 35K985+93#7917#7824
35K → 23M9062+28#7824#7796
23M → 24M6683-17#7796#7813
24M → 40K5955+4#7813#7809
40K → 25.2M3814+24#7809#7785
25.2M → Finish7248+24#7785#7761
TOTALS3120*524+2596

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

📊

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