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BOSTON MARATHON 2023

Casey Sheehan

Bib: 25838•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
32:35
Rank: #24681
Start → 5K
32:35 | 10:29/mi
10K· 6.21 mi
1:06:03
Rank: #24976 (-295)
5K → 10K
33:28 | 10:46/mi
15K· 9.32 mi
1:38:30
Rank: #24758 (+218)
10K → 15K
32:27 | 10:27/mi
20K· 12.43 mi
2:12:59
Rank: #24763 (-5)
15K → 20K
34:29 | 11:06/mi
Half· 13.11 mi
2:20:13
Rank: #24743 (+20)
20K → Half
7:14 | 10:36/mi
25K· 15.53 mi
2:48:28
Rank: #24771 (-28)
Half → 25K
28:15 | 11:39/mi
30K· 18.64 mi
3:26:13
Rank: #24778 (-7)
25K → 30K
37:45 | 12:09/mi
20M
3:43:00
Rank: #24775 (+3)
30K → 20M
16:47 | 12:21/mi
21M
3:57:06
Rank: #24807 (-32)
20M → 21M
14:06 | 14:06/mi
35K· 21.75 mi
4:06:32
Rank: #24836 (-29)
21M → 35K
9:26 | 12:37/mi
23M
4:23:27
Rank: #24932 (-96)
35K → 23M
16:55 | 13:31/mi
24M
4:35:53
Rank: #24959 (-27)
23M → 24M
12:26 | 12:26/mi
40K· 24.85 mi
4:48:03
Rank: #25029 (-70)
24M → 40K
12:10 | 14:14/mi
25.2M
4:52:38
Rank: #25020 (+9)
40K → 25.2M
4:35 | 13:17/mi
Finish· 26.22 mi
5:03:28
Rank: #24976 (+44)
25.2M → Finish
10:50 | 10:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:13
Pace10:42 /mi
2nd Half
Distance13.11 mi
Time2:43:15
Pace12:27 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2132:3510:2932:35
10:29
-
10K
6.21 mi12:21:491:06:0310:3833:28
10:46
+0:17
15K
9.32 mi12:54:161:38:3010:3432:27
10:27
-0:19
20K
12.43 mi13:28:452:12:5910:4234:29
11:06
+0:39
Half
13.11 mi13:35:592:20:1310:427:14
10:36
-0:30
25K
15.53 mi14:04:142:48:2810:5128:15
11:39
+1:03
30K
18.64 mi14:41:593:26:1311:0437:45
12:09
+0:30
20M
20.00 mi14:58:463:43:0011:0916:47
12:21
+0:12
21M
21.00 mi15:12:523:57:0611:1714:06
14:06
+1:45
35K
21.75 mi15:22:184:06:3211:209:26
12:37
-1:29
23M
23.00 mi15:39:134:23:2711:2716:55
13:31
+0:54
24M
24.00 mi15:51:394:35:5311:3012:26
12:26
-1:05
40K
24.85 mi16:03:494:48:0311:3512:10
14:14
+1:48
25.2M
25.20 mi16:08:244:52:3811:374:35
13:17
-0:57
Finish
26.22 mi16:19:145:03:2811:3510:50
10:38
-2:39

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

10:27 /mi

Average Pace

11:35 /mi

Slowest Pace

14:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:03

50% of race

Time at Steady Pace

1:44:39

34% of race

Time at Slower Pace

47:46

16% of race

Average Pace: 11:34 /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 mi11:48:2132:3510:2932:35
10:29
#24681
10K
6.21 mi12:21:491:06:0310:3833:28
10:46
#24976
15K
9.32 mi12:54:161:38:3010:3432:27
10:27
#24758
20K
12.43 mi13:28:452:12:5910:4234:29
11:06
#24763
Half
13.11 mi13:35:592:20:1310:427:14
10:36
#24743
25K
15.53 mi14:04:142:48:2810:5128:15
11:39
#24771
30K
18.64 mi14:41:593:26:1311:0437:45
12:09
#24778
20M
20.00 mi14:58:463:43:0011:0916:47
12:21
#24775
21M
21.00 mi15:12:523:57:0611:1714:06
14:06
#24807
35K
21.75 mi15:22:184:06:3211:209:26
12:37
#24836
23M
23.00 mi15:39:134:23:2711:2716:55
13:31
#24932
24M
24.00 mi15:51:394:35:5311:3012:26
12:26
#24959
40K
24.85 mi16:03:494:48:0311:3512:10
14:14
#25029
25.2M
25.20 mi16:08:244:52:3811:374:35
13:17
#25020
Finish
26.22 mi16:19:145:03:2811:3510:50
10:38
#24976
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24681102621026224362(Top 92%)10097(Top 88%)10097(Top 207%)
10K6.21 mi3.10 mi24976-29510420-15810420-15825130(Top 94%)10513(Top 92%)10513(Top 215%)
15K9.32 mi3.11 mi24758+21810314+10610314+10624362(Top 92%)10097(Top 88%)10097(Top 207%)
20K12.43 mi3.11 mi24763-510324-1010324-1024757(Top 93%)10338(Top 91%)10338(Top 212%)
Half13.11 mi0.68 mi24743+2010316+810316+824393(Top 92%)10154(Top 89%)10154(Top 208%)
25K15.53 mi2.42 mi24771-2810342-2610342-2624846(Top 93%)10428(Top 91%)10428(Top 214%)
30K18.64 mi3.11 mi24778-710364-2210364-2224663(Top 93%)10380(Top 91%)10380(Top 213%)
20M20.00 mi1.36 mi24775+310373-910373-924594(Top 92%)10389(Top 91%)10389(Top 213%)
21M21.00 mi1.00 mi24807-3210393-2010393-2025118(Top 94%)10672(Top 93%)10672(Top 219%)
35K21.75 mi0.75 mi24836-2910418-2510418-2525277(Top 95%)10797(Top 95%)10797(Top 221%)
23M23.00 mi1.25 mi24932-9610484-6610484-6625505(Top 96%)10900(Top 95%)10900(Top 223%)
24M24.00 mi1.00 mi24959-2710505-2110505-2124997(Top 94%)10677(Top 93%)10677(Top 219%)
40K24.85 mi0.85 mi25029-7010543-3810543-3825816(Top 97%)11084(Top 97%)11084(Top 227%)
25.2M25.20 mi0.35 mi25020+910547-410547-424323(Top 91%)10344(Top 91%)10344(Top 212%)
Finish26.22 mi1.02 mi24976+4410526+2110526+2123301(Top 88%)9808(Top 86%)9808(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24362

Females

10097

F18-39

10097

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

25130

Females

10513

F18-39

10513

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24362

Females

10097

F18-39

10097

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24757

Females

10338

F18-39

10338

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24393

Females

10154

F18-39

10154

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

24846

Females

10428

F18-39

10428

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24663

Females

10380

F18-39

10380

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24594

Females

10389

F18-39

10389

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

25118

Females

10672

F18-39

10672

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

25277

Females

10797

F18-39

10797

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

25505

Females

10900

F18-39

10900

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

24997

Females

10677

F18-39

10677

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25816

Females

11084

F18-39

11084

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24323

Females

10344

F18-39

10344

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23301

Females

9808

F18-39

9808

Passing Analysis

Category:
Athletes Passed
790
Passed By
1085
Net Change
-295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24681
5K → 10K86381-295#24681#24976
10K → 15K24931+218#24976#24758
15K → 20K99104-5#24758#24763
20K → Half3515+20#24763#24743
Half → 25K6290-28#24743#24771
25K → 30K8491-7#24771#24778
30K → 20M5451+3#24778#24775
20M → 21M1749-32#24775#24807
21M → 35K1342-29#24807#24836
35K → 23M9105-96#24836#24932
23M → 24M1340-27#24932#24959
24M → 40K676-70#24959#25029
40K → 25.2M189+9#25029#25020
25.2M → Finish451+44#25020#24976
TOTALS7901085-295
📊

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