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BOSTON MARATHON 2023

Ashley Cheff

Bib: 10405•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:05
Rank: #6929
Start → 5K
22:05 | 7:06/mi
10K· 6.21 mi
43:22
Rank: #6383 (+546)
5K → 10K
21:17 | 6:51/mi
15K· 9.32 mi
1:04:42
Rank: #6141 (+242)
10K → 15K
21:20 | 6:52/mi
20K· 12.43 mi
1:26:33
Rank: #6129 (+12)
15K → 20K
21:51 | 7:02/mi
Half· 13.11 mi
1:31:15
Rank: #6114 (+15)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:48:36
Rank: #6169 (-55)
Half → 25K
17:21 | 7:09/mi
30K· 18.64 mi
2:11:37
Rank: #6190 (-21)
25K → 30K
23:01 | 7:25/mi
20M
2:21:42
Rank: #6148 (+42)
30K → 20M
10:05 | 7:25/mi
21M
2:29:42
Rank: #6158 (-10)
20M → 21M
8:00 | 8:00/mi
35K· 21.75 mi
2:35:00
Rank: #6127 (+31)
21M → 35K
5:18 | 7:05/mi
23M
2:44:08
Rank: #6029 (+98)
35K → 23M
9:08 | 7:18/mi
24M
2:51:18
Rank: #5952 (+77)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:57:37
Rank: #5911 (+41)
24M → 40K
6:19 | 7:23/mi
25.2M
3:00:24
Rank: #5912 (-1)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:07:43
Rank: #5873 (+39)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:15
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:36:28
Pace7:22 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1622:057:0622:05
7:06
-
10K
6.21 mi11:09:3343:226:5921:17
6:51
-0:15
15K
9.32 mi11:30:531:04:426:5621:20
6:52
+0:01
20K
12.43 mi11:52:441:26:336:5821:51
7:02
+0:10
Half
13.11 mi11:57:261:31:156:584:42
6:53
-0:09
25K
15.53 mi12:14:471:48:366:5917:21
7:09
+0:16
30K
18.64 mi12:37:482:11:377:0423:01
7:25
+0:16
20M
20.00 mi12:47:532:21:427:0510:05
7:25
0:00
21M
21.00 mi12:55:532:29:427:088:00
8:00
+0:35
35K
21.75 mi13:01:112:35:007:085:18
7:05
-0:55
23M
23.00 mi13:10:192:44:087:089:08
7:18
+0:13
24M
24.00 mi13:17:292:51:187:087:10
7:10
-0:08
40K
24.85 mi13:23:482:57:377:096:19
7:23
+0:13
25.2M
25.20 mi13:26:353:00:247:102:47
8:04
+0:41
Finish
26.22 mi13:33:543:07:437:107:19
7:11
-0:53

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

6:51 /mi

Average Pace

7:10 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:56

94% of race

Time at Steady Pace

10:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:48:1622:057:0622:05
7:06
#6929
10K
6.21 mi11:09:3343:226:5921:17
6:51
#6383
15K
9.32 mi11:30:531:04:426:5621:20
6:52
#6141
20K
12.43 mi11:52:441:26:336:5821:51
7:02
#6129
Half
13.11 mi11:57:261:31:156:584:42
6:53
#6114
25K
15.53 mi12:14:471:48:366:5917:21
7:09
#6169
30K
18.64 mi12:37:482:11:377:0423:01
7:25
#6190
20M
20.00 mi12:47:532:21:427:0510:05
7:25
#6148
21M
21.00 mi12:55:532:29:427:088:00
8:00
#6158
35K
21.75 mi13:01:112:35:007:085:18
7:05
#6127
23M
23.00 mi13:10:192:44:087:089:08
7:18
#6029
24M
24.00 mi13:17:292:51:187:087:10
7:10
#5952
40K
24.85 mi13:23:482:57:377:096:19
7:23
#5911
25.2M
25.20 mi13:26:353:00:247:102:47
8:04
#5912
Finish
26.22 mi13:33:543:07:437:107:19
7:11
#5873
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi69297037035730(Top 22%)472(Top 4%)472(Top 10%)
10K6.21 mi3.10 mi6383+546597+106597+1065778(Top 22%)488(Top 4%)488(Top 10%)
15K9.32 mi3.11 mi6141+242548+49548+495730(Top 22%)472(Top 4%)472(Top 10%)
20K12.43 mi3.11 mi6129+12547+1547+16188(Top 23%)571(Top 5%)571(Top 12%)
Half13.11 mi0.68 mi6114+15541+6541+65991(Top 23%)511(Top 4%)511(Top 10%)
25K15.53 mi2.42 mi6169-55556-15556-156431(Top 24%)674(Top 6%)674(Top 14%)
30K18.64 mi3.11 mi6190-21576-20576-206653(Top 25%)808(Top 7%)808(Top 17%)
20M20.00 mi1.36 mi6148+42581-5581-56310(Top 24%)784(Top 7%)784(Top 16%)
21M21.00 mi1.00 mi6158-10591-10591-107360(Top 28%)1256(Top 11%)1256(Top 26%)
35K21.75 mi0.75 mi6127+315915915847(Top 22%)710(Top 6%)710(Top 15%)
23M23.00 mi1.25 mi6029+98584+7584+75307(Top 20%)615(Top 5%)615(Top 13%)
24M24.00 mi1.00 mi5952+77575+9575+95580(Top 21%)739(Top 6%)739(Top 15%)
40K24.85 mi0.85 mi5911+41578-3578-36023(Top 23%)981(Top 9%)981(Top 20%)
25.2M25.20 mi0.35 mi5912-1581-3581-36946(Top 26%)1369(Top 12%)1369(Top 28%)
Finish26.22 mi1.02 mi5873+39580+1580+16304(Top 24%)1161(Top 10%)1161(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5730

Females

472

F18-39

472

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5778

Females

488

F18-39

488

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5730

Females

472

F18-39

472

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6188

Females

571

F18-39

571

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

5991

Females

511

F18-39

511

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6431

Females

674

F18-39

674

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6653

Females

808

F18-39

808

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6310

Females

784

F18-39

784

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7360

Females

1256

F18-39

1256

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5847

Females

710

F18-39

710

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5307

Females

615

F18-39

615

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5580

Females

739

F18-39

739

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6023

Females

981

F18-39

981

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6946

Females

1369

F18-39

1369

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6304

Females

1161

F18-39

1161

Passing Analysis

Category:
Athletes Passed
1691
Passed By
635
Net Change
+1056
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6929
5K → 10K57529+546#6929#6383
10K → 15K26220+242#6383#6141
15K → 20K9785+12#6141#6129
20K → Half2712+15#6129#6114
Half → 25K63118-55#6114#6169
25K → 30K116137-21#6169#6190
30K → 20M8038+42#6190#6148
20M → 21M4858-10#6148#6158
21M → 35K5019+31#6158#6127
35K → 23M11618+98#6127#6029
23M → 24M9215+77#6029#5952
24M → 40K7029+41#5952#5911
40K → 25.2M1819-1#5911#5912
25.2M → Finish7738+39#5912#5873
TOTALS1691635+1056
📊

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