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BOSTON MARATHON 2023

Dana Coren

NY

Bib: 16443 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:31/mi
23:21
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:35/mi
46:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:34/mi
1:10:24
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:31/mi
1:33:44
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:31/mi
1:38:52
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:26/mi
1:56:54
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:32/mi
2:20:19
↑ 181↓ 1480.2%
138 ft elev
20M
7:25/mi
2:30:24
↑ 64↓ 500.2%
148 ft elev
21M
7:42/mi
2:38:06
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:08/mi
2:43:26
↑ 17↓ 861.7%
156 ft elev
23M
7:16/mi
2:52:32
↑ 23↓ 630.6%
116 ft elev
24M
7:16/mi
2:59:48
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:14/mi
3:05:59
↓ 200.3%
20 ft elev
25.2M
7:35/mi
3:08:36
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:55/mi
3:15:39
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:38:527:32 /mi+2.1%
2nd Half
1:36:477:23 /mi✓ faster
Negative split — 2.1% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:217:313.11 mi23:21
7:31
-
10K
46:547:333.10 mi23:33
7:35
+0:04
15K
1:10:247:333.11 mi23:30
7:34
-0:01
20K
1:33:447:333.11 mi23:20
7:31
-0:03
Half(13.11 mi)
1:38:527:320.68 mi5:08
7:31
0:00
25K
1:56:547:322.42 mi18:02
7:26
-0:05
30K
2:20:197:323.11 mi23:25
7:32
+0:06
20M
2:30:247:311.36 mi10:05
7:25
-0:07
21M
2:38:067:321.00 mi7:42
7:42
+0:17
35K
2:43:267:310.75 mi5:20
7:08
-0:34
23M
2:52:327:301.25 mi9:06
7:16
+0:08
24M
2:59:487:301.00 mi7:16
7:16
0:00
40K
3:05:597:290.85 mi6:11
7:14
-0:02
25.2M
3:08:367:290.35 mi2:37
7:35
+0:21
Finish(26.22 mi)
3:15:397:281.02 mi7:03
6:55
-0:40
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:55 /mi

Average Pace

7:28 /mi

Slowest Pace

7:42 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:07:57

96% of race

Time at Steady Pace

7:42

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi9766173817381071021792179
10K3.10 mi10455-6892047-3092047-3091113623872387
15K3.11 mi10528-732077-302077-301071021792179
20K3.11 mi10217+3111932+1451932+145938916361636
Half(13.11 mi)0.68 mi10215+21935-31935-31042220772077
25K2.42 mi9859+3561787+1481787+148832612991299
30K3.11 mi9372+4871638+1491638+149748811061106
20M1.36 mi9101+2711550+881550+886324798798
21M1.00 mi8874+2271470+801470+805653714714
35K0.75 mi8742+1321434+361434+366140811811
23M1.25 mi8486+2561366+681366+685178587587
24M1.00 mi8343+1431330+361330+366185977977
40K0.85 mi8185+1581294+361294+365099692692
25.2M0.35 mi8089+961265+291265+294416571571
Finish(26.22 mi)1.02 mi7918+1711228+371228+374776661661

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10710

Females

2179

F18-39

2179

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11136

Females

2387

F18-39

2387

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10710

Females

2179

F18-39

2179

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9389

Females

1636

F18-39

1636

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10422

Females

2077

F18-39

2077

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8326

Females

1299

F18-39

1299

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7488

Females

1106

F18-39

1106

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6324

Females

798

F18-39

798

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5653

Females

714

F18-39

714

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6140

Females

811

F18-39

811

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5178

Females

587

F18-39

587

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6185

Females

977

F18-39

977

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5099

Females

692

F18-39

692

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4416

Females

571

F18-39

571

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4776

Females

661

F18-39

661

Passing Analysis

Category:
Passed
2972*
Passed By
1123
Net Change
+1848
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9766
5K → 10K94782-689#9766#10455
10K → 15K167240-73#10455#10528
15K → 20K333*22+311#10528#10217
20K → Half3432+2#10217#10215
Half → 25K366*10+356#10215#9859
25K → 30K497*10+487#9859#9372
30K → 20M2732+271#9372#9101
20M → 21M2292+227#9101#8874
21M → 35K1353+132#8874#8742
35K → 23M2604+256#8742#8486
23M → 24M1485+143#8486#8343
24M → 40K1624+158#8343#8185
40K → 25.2M960+96#8185#8089
25.2M → Finish1787+171#8089#7918
TOTALS2972*1123+1848

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

Passing Charts

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