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BOSTON MARATHON 2023

Stephanie Cooney

Bib: 19809•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:51/mi
27:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
54:32
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:22:52
↑ 67↓ 78
20K· 12.43 mi
8:48/mi
1:50:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:56:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:53/mi
2:17:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:14/mi
2:46:21
↑ 181↓ 1480.2%
20M
9:27/mi
2:59:12
↑ 64↓ 500.2%
21M
10:02/mi
3:09:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:23/mi
3:16:15
↑ 17↓ 861.7%
23M
9:57/mi
3:28:43
↑ 23↓ 630.6%
24M
9:53/mi
3:38:36
↓ 821.3%
40K· 24.85 mi
10:01/mi
3:47:10
↓ 200.3%
25.2M
10:58/mi
3:50:57
↑ 13↓ 160.2%
Finish· 26.22 mi
9:46/mi
4:00:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:08
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:04:46
Pace9:31 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1427:298:5127:29
8:51
-
10K
6.21 mi11:46:1754:328:4727:03
8:42
-0:09
15K
9.32 mi12:14:371:22:528:5328:20
9:07
+0:25
20K
12.43 mi12:41:561:50:118:5227:19
8:48
-0:19
Half
13.11 mi12:47:531:56:088:525:57
8:43
-0:05
25K
15.53 mi13:09:262:17:418:5221:33
8:53
+0:10
30K
18.64 mi13:38:062:46:218:5528:40
9:14
+0:21
20M
20.00 mi13:50:572:59:128:5812:51
9:27
+0:13
21M
21.00 mi14:00:593:09:149:0110:02
10:02
+0:35
35K
21.75 mi14:08:003:16:159:017:01
9:23
-0:39
23M
23.00 mi14:20:283:28:439:0412:28
9:57
+0:34
24M
24.00 mi14:30:213:38:369:079:53
9:53
-0:04
40K
24.85 mi14:38:553:47:109:088:34
10:01
+0:08
25.2M
25.20 mi14:42:423:50:579:103:47
10:58
+0:57
Finish
26.22 mi14:52:394:00:549:129:57
9:46
-1:12

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

8:42 /mi

Average Pace

9:12 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:21

45% of race

Time at Steady Pace

1:16:52

32% of race

Time at Slower Pace

54:41

23% of race

Average Pace: 9:11 /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 mi11:19:1427:298:5127:29
8:51
#19729
10K
6.21 mi11:46:1754:328:4727:03
8:42
#19556
15K
9.32 mi12:14:371:22:528:5328:20
9:07
#20077
20K
12.43 mi12:41:561:50:118:5227:19
8:48
#19675
Half
13.11 mi12:47:531:56:088:525:57
8:43
#19651
25K
15.53 mi13:09:262:17:418:5221:33
8:53
#19421
30K
18.64 mi13:38:062:46:218:5528:40
9:14
#19232
20M
20.00 mi13:50:572:59:128:5812:51
9:27
#19173
21M
21.00 mi14:00:593:09:149:0110:02
10:02
#19102
35K
21.75 mi14:08:003:16:159:017:01
9:23
#19124
23M
23.00 mi14:20:283:28:439:0412:28
9:57
#19192
24M
24.00 mi14:30:213:38:369:079:53
9:53
#19276
40K
24.85 mi14:38:553:47:109:088:34
10:01
#19319
25.2M
25.20 mi14:42:423:50:579:103:47
10:58
#19366
Finish
26.22 mi14:52:394:00:549:129:57
9:46
#19458
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi197297653765321014(Top 79%)8238(Top 72%)8238(Top 439%)
10K6.21 mi3.10 mi19556+1737504+1497504+14919474(Top 73%)7368(Top 65%)7368(Top 392%)
15K9.32 mi3.11 mi20077-5217781-2777781-27721014(Top 79%)8238(Top 72%)8238(Top 439%)
20K12.43 mi3.11 mi19675+4027529+2527529+25218643(Top 70%)6881(Top 60%)6881(Top 366%)
Half13.11 mi0.68 mi19651+247512+177512+1719120(Top 72%)7162(Top 63%)7162(Top 381%)
25K15.53 mi2.42 mi19421+2307370+1427370+14218414(Top 69%)6800(Top 60%)6800(Top 362%)
30K18.64 mi3.11 mi19232+1897276+947276+9418289(Top 69%)6811(Top 60%)6811(Top 363%)
20M20.00 mi1.36 mi19173+597255+217255+2118705(Top 70%)7137(Top 62%)7137(Top 380%)
21M21.00 mi1.00 mi19102+717226+297226+2918167(Top 68%)6860(Top 60%)6860(Top 365%)
35K21.75 mi0.75 mi19124-227244-187244-1819470(Top 73%)7643(Top 67%)7643(Top 407%)
23M23.00 mi1.25 mi19192-687291-477291-4719869(Top 75%)7885(Top 69%)7885(Top 420%)
24M24.00 mi1.00 mi19276-847350-597350-5920468(Top 77%)8242(Top 72%)8242(Top 439%)
40K24.85 mi0.85 mi19319-437381-317381-3120026(Top 75%)8068(Top 71%)8068(Top 430%)
25.2M25.20 mi0.35 mi19366-477408-277408-2720408(Top 77%)8265(Top 72%)8265(Top 440%)
Finish26.22 mi1.02 mi19458-927474-667474-6621037(Top 79%)8578(Top 75%)8578(Top 457%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21014

Females

8238

F40-44

8238

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19474

Females

7368

F40-44

7368

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21014

Females

8238

F40-44

8238

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18643

Females

6881

F40-44

6881

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19120

Females

7162

F40-44

7162

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18414

Females

6800

F40-44

6800

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18289

Females

6811

F40-44

6811

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18705

Females

7137

F40-44

7137

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18167

Females

6860

F40-44

6860

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19470

Females

7643

F40-44

7643

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19869

Females

7885

F40-44

7885

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20468

Females

8242

F40-44

8242

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20026

Females

8068

F40-44

8068

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20408

Females

8265

F40-44

8265

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21037

Females

8578

F40-44

8578

Passing Analysis

Category:
Athletes Passed
1858
Passed By
1587
Net Change
+271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19729
5K → 10K409236+173#19729#19556
10K → 15K44565-521#19556#20077
15K → 20K43028+402#20077#19675
20K → Half4723+24#19675#19651
Half → 25K25222+230#19651#19421
25K → 30K26475+189#19421#19232
30K → 20M11152+59#19232#19173
20M → 21M11645+71#19173#19102
21M → 35K2951-22#19102#19124
35K → 23M55123-68#19124#19192
23M → 24M33117-84#19192#19276
24M → 40K3679-43#19276#19319
40K → 25.2M1158-47#19319#19366
25.2M → Finish21113-92#19366#19458
TOTALS18581587+271
📊

Passing Visuals

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