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BOSTON MARATHON 2023

Alison Cooper

Bib: 25703•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:55
Rank: #21553
Start → 5K
28:55 | 9:18/mi
10K· 6.21 mi
58:01
Rank: #21849 (-296)
5K → 10K
29:06 | 9:22/mi
15K· 9.32 mi
1:27:46
Rank: #22034 (-185)
10K → 15K
29:45 | 9:35/mi
20K· 12.43 mi
1:58:08
Rank: #22123 (-89)
15K → 20K
30:22 | 9:46/mi
Half· 13.11 mi
2:04:45
Rank: #22160 (-37)
20K → Half
6:37 | 9:42/mi
25K· 15.53 mi
2:29:14
Rank: #22225 (-65)
Half → 25K
24:29 | 10:06/mi
30K· 18.64 mi
3:03:35
Rank: #22438 (-213)
25K → 30K
34:21 | 11:03/mi
20M
3:17:57
Rank: #22396 (+42)
30K → 20M
14:22 | 10:34/mi
21M
3:29:14
Rank: #22340 (+56)
20M → 21M
11:17 | 11:17/mi
35K· 21.75 mi
3:36:47
Rank: #22295 (+45)
21M → 35K
7:33 | 10:06/mi
23M
3:50:24
Rank: #22293 (+2)
35K → 23M
13:37 | 10:53/mi
24M
4:01:20
Rank: #22328 (-35)
23M → 24M
10:56 | 10:56/mi
40K· 24.85 mi
4:10:44
Rank: #22326 (+2)
24M → 40K
9:24 | 11:00/mi
25.2M
4:14:49
Rank: #22318 (+8)
40K → 25.2M
4:05 | 11:50/mi
Finish· 26.22 mi
4:24:51
Rank: #22293 (+25)
25.2M → Finish
10:02 | 9:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:45
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:20:06
Pace10:41 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0128:559:1828:55
9:18
-
10K
6.21 mi12:14:0758:019:2029:06
9:22
+0:04
15K
9.32 mi12:43:521:27:469:2529:45
9:35
+0:13
20K
12.43 mi13:14:141:58:089:3030:22
9:46
+0:11
Half
13.11 mi13:20:512:04:459:316:37
9:42
-0:04
25K
15.53 mi13:45:202:29:149:3624:29
10:06
+0:24
30K
18.64 mi14:19:413:03:359:5134:21
11:03
+0:57
20M
20.00 mi14:34:033:17:579:5414:22
10:34
-0:29
21M
21.00 mi14:45:203:29:149:5811:17
11:17
+0:43
35K
21.75 mi14:52:533:36:479:587:33
10:06
-1:11
23M
23.00 mi15:06:303:50:2410:0113:37
10:53
+0:47
24M
24.00 mi15:17:264:01:2010:0310:56
10:56
+0:03
40K
24.85 mi15:26:504:10:4410:059:24
11:00
+0:04
25.2M
25.20 mi15:30:554:14:4910:074:05
11:50
+0:50
Finish
26.22 mi15:40:574:24:5110:0710:02
9:51
-1:59

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

9:18 /mi

Average Pace

10:07 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:23

36% of race

Time at Steady Pace

1:12:26

27% of race

Time at Slower Pace

1:38:02

37% of race

Average Pace: 10:06 /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 mi11:45:0128:559:1828:55
9:18
#21553
10K
6.21 mi12:14:0758:019:2029:06
9:22
#21849
15K
9.32 mi12:43:521:27:469:2529:45
9:35
#22034
20K
12.43 mi13:14:141:58:089:3030:22
9:46
#22123
Half
13.11 mi13:20:512:04:459:316:37
9:42
#22160
25K
15.53 mi13:45:202:29:149:3624:29
10:06
#22225
30K
18.64 mi14:19:413:03:359:5134:21
11:03
#22438
20M
20.00 mi14:34:033:17:579:5414:22
10:34
#22396
21M
21.00 mi14:45:203:29:149:5811:17
11:17
#22340
35K
21.75 mi14:52:533:36:479:587:33
10:06
#22295
23M
23.00 mi15:06:303:50:2410:0113:37
10:53
#22293
24M
24.00 mi15:17:264:01:2010:0310:56
10:56
#22328
40K
24.85 mi15:26:504:10:4410:059:24
11:00
#22326
25.2M
25.20 mi15:30:554:14:4910:074:05
11:50
#22318
Finish
26.22 mi15:40:574:24:5110:0710:02
9:51
#22293
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi215538668866822460(Top 84%)9046(Top 79%)9046(Top 185%)
10K6.21 mi3.10 mi21849-2968768-1008768-10022137(Top 83%)8895(Top 78%)8895(Top 182%)
15K9.32 mi3.11 mi22034-1858858-908858-9022460(Top 84%)9046(Top 79%)9046(Top 185%)
20K12.43 mi3.11 mi22123-898897-398897-3922344(Top 84%)8993(Top 79%)8993(Top 184%)
Half13.11 mi0.68 mi22160-378917-208917-2022652(Top 85%)9162(Top 80%)9162(Top 188%)
25K15.53 mi2.42 mi22225-658957-408957-4022430(Top 84%)9079(Top 79%)9079(Top 186%)
30K18.64 mi3.11 mi22438-2139085-1289085-12823175(Top 87%)9555(Top 84%)9555(Top 196%)
20M20.00 mi1.36 mi22396+429070+159070+1521909(Top 82%)8930(Top 78%)8930(Top 183%)
21M21.00 mi1.00 mi22340+569048+229048+2221456(Top 81%)8714(Top 76%)8714(Top 178%)
35K21.75 mi0.75 mi22295+459031+179031+1721549(Top 81%)8801(Top 77%)8801(Top 180%)
23M23.00 mi1.25 mi22293+29035-49035-422114(Top 83%)9126(Top 80%)9126(Top 187%)
24M24.00 mi1.00 mi22328-359063-289063-2822926(Top 86%)9594(Top 84%)9594(Top 196%)
40K24.85 mi0.85 mi22326+29068-59068-522351(Top 84%)9320(Top 82%)9320(Top 191%)
25.2M25.20 mi0.35 mi22318+89067+19067+122234(Top 84%)9254(Top 81%)9254(Top 189%)
Finish26.22 mi1.02 mi22293+259064+39064+321320(Top 80%)8731(Top 76%)8731(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22460

Females

9046

F18-39

9046

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22137

Females

8895

F18-39

8895

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22460

Females

9046

F18-39

9046

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22344

Females

8993

F18-39

8993

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22652

Females

9162

F18-39

9162

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22430

Females

9079

F18-39

9079

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23175

Females

9555

F18-39

9555

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21909

Females

8930

F18-39

8930

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21456

Females

8714

F18-39

8714

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21549

Females

8801

F18-39

8801

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

22114

Females

9126

F18-39

9126

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22926

Females

9594

F18-39

9594

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22351

Females

9320

F18-39

9320

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22234

Females

9254

F18-39

9254

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21320

Females

8731

F18-39

8731

Passing Analysis

Category:
Athletes Passed
917
Passed By
1657
Net Change
-740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21553
5K → 10K155451-296#21553#21849
10K → 15K96281-185#21849#22034
15K → 20K105194-89#22034#22123
20K → Half1855-37#22123#22160
Half → 25K84149-65#22160#22225
25K → 30K60273-213#22225#22438
30K → 20M8038+42#22438#22396
20M → 21M7620+56#22396#22340
21M → 35K549+45#22340#22295
35K → 23M5957+2#22295#22293
23M → 24M2661-35#22293#22328
24M → 40K4341+2#22328#22326
40K → 25.2M2012+8#22326#22318
25.2M → Finish4116+25#22318#22293
TOTALS9171657-740
📊

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