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BOSTON MARATHON 2023

Caitlin Sheridan

Bib: 26278•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

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
9:35/mi
29:46
↑ 97↓ 3451.5%
10K· 6.21 mi
9:01/mi
57:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:25:36
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:53:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:59:36
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:21:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:11/mi
2:49:54
↑ 181↓ 1480.2%
20M
9:20/mi
3:02:35
↑ 64↓ 500.2%
21M
10:07/mi
3:12:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:19:23
↑ 17↓ 861.7%
23M
9:29/mi
3:31:16
↑ 23↓ 630.6%
24M
9:04/mi
3:40:20
↓ 821.3%
40K· 24.85 mi
9:31/mi
3:48:28
↓ 200.3%
25.2M
10:32/mi
3:52:06
↑ 13↓ 160.2%
Finish· 26.22 mi
9:14/mi
4:01:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:36
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:01:55
Pace9:18 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5829:469:3529:46
9:35
-
10K
6.21 mi12:19:5857:469:1828:00
9:01
-0:34
15K
9.32 mi12:47:481:25:369:1127:50
8:58
-0:03
20K
12.43 mi13:15:531:53:419:0928:05
9:02
+0:04
Half
13.11 mi13:21:481:59:369:075:55
8:40
-0:22
25K
15.53 mi13:43:352:21:239:0621:47
8:59
+0:19
30K
18.64 mi14:12:062:49:549:0728:31
9:11
+0:12
20M
20.00 mi14:24:473:02:359:0812:41
9:20
+0:09
21M
21.00 mi14:34:543:12:429:1110:07
10:07
+0:47
35K
21.75 mi14:41:353:19:239:106:41
8:56
-1:11
23M
23.00 mi14:53:283:31:169:1111:53
9:29
+0:33
24M
24.00 mi15:02:323:40:209:119:04
9:04
-0:25
40K
24.85 mi15:10:403:48:289:128:08
9:31
+0:27
25.2M
25.20 mi15:14:183:52:069:133:38
10:32
+1:01
Finish
26.22 mi15:23:434:01:319:139:25
9:14
-1:18

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

8:40 /mi

Average Pace

9:13 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:36

5% of race

Time at Steady Pace

2:45:23

68% of race

Time at Slower Pace

1:03:32

26% of race

Average Pace: 9:13 /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 mi11:51:5829:469:3529:46
9:35
#22321
10K
6.21 mi12:19:5857:469:1828:00
9:01
#21718
15K
9.32 mi12:47:481:25:369:1127:50
8:58
#21305
20K
12.43 mi13:15:531:53:419:0928:05
9:02
#20982
Half
13.11 mi13:21:481:59:369:075:55
8:40
#20876
25K
15.53 mi13:43:352:21:239:0621:47
8:59
#20568
30K
18.64 mi14:12:062:49:549:0728:31
9:11
#20125
20M
20.00 mi14:24:473:02:359:0812:41
9:20
#19956
21M
21.00 mi14:34:543:12:429:1110:07
10:07
#19842
35K
21.75 mi14:41:353:19:239:106:41
8:56
#19758
23M
23.00 mi14:53:283:31:169:1111:53
9:29
#19681
24M
24.00 mi15:02:323:40:209:119:04
9:04
#19587
40K
24.85 mi15:10:403:48:289:128:08
9:31
#19539
25.2M
25.20 mi15:14:183:52:069:133:38
10:32
#19547
Finish
26.22 mi15:23:434:01:319:139:25
9:14
#19543
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223219039903920313(Top 76%)7850(Top 69%)7850(Top 161%)
10K6.21 mi3.10 mi21718+6038699+3408699+34020934(Top 79%)8221(Top 72%)8221(Top 168%)
15K9.32 mi3.11 mi21305+4138444+2558444+25520313(Top 76%)7850(Top 69%)7850(Top 161%)
20K12.43 mi3.11 mi20982+3238263+1818263+18119884(Top 75%)7614(Top 67%)7614(Top 156%)
Half13.11 mi0.68 mi20876+1068198+658198+6518841(Top 71%)6998(Top 61%)6998(Top 143%)
25K15.53 mi2.42 mi20568+3088017+1818017+18118890(Top 71%)7073(Top 62%)7073(Top 145%)
30K18.64 mi3.11 mi20125+4437798+2197798+21918079(Top 68%)6698(Top 59%)6698(Top 137%)
20M20.00 mi1.36 mi19956+1697715+837715+8318182(Top 68%)6845(Top 60%)6845(Top 140%)
21M21.00 mi1.00 mi19842+1147651+647651+6418474(Top 69%)7042(Top 62%)7042(Top 144%)
35K21.75 mi0.75 mi19758+847610+417610+4117671(Top 66%)6657(Top 58%)6657(Top 136%)
23M23.00 mi1.25 mi19681+777576+347576+3418327(Top 69%)7033(Top 62%)7033(Top 144%)
24M24.00 mi1.00 mi19587+947534+427534+4217562(Top 66%)6663(Top 58%)6663(Top 136%)
40K24.85 mi0.85 mi19539+487512+227512+2218400(Top 69%)7160(Top 63%)7160(Top 147%)
25.2M25.20 mi0.35 mi19547-87521-97521-919245(Top 72%)7640(Top 67%)7640(Top 156%)
Finish26.22 mi1.02 mi19543+47530-97530-919134(Top 72%)7511(Top 66%)7511(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20313

Females

7850

F18-39

7850

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

20934

Females

8221

F18-39

8221

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20313

Females

7850

F18-39

7850

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19884

Females

7614

F18-39

7614

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18841

Females

6998

F18-39

6998

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18890

Females

7073

F18-39

7073

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18079

Females

6698

F18-39

6698

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

18182

Females

6845

F18-39

6845

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18474

Females

7042

F18-39

7042

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17671

Females

6657

F18-39

6657

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18327

Females

7033

F18-39

7033

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17562

Females

6663

F18-39

6663

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18400

Females

7160

F18-39

7160

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19245

Females

7640

F18-39

7640

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19134

Females

7511

F18-39

7511

Passing Analysis

Category:
Athletes Passed
3100
Passed By
322
Net Change
+2778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22321
5K → 10K67471+603#22321#21718
10K → 15K44128+413#21718#21305
15K → 20K35229+323#21305#20982
20K → Half1093+106#20982#20876
Half → 25K3179+308#20876#20568
25K → 30K4474+443#20568#20125
30K → 20M17910+169#20125#19956
20M → 21M14329+114#19956#19842
21M → 35K9410+84#19842#19758
35K → 23M10831+77#19758#19681
23M → 24M11016+94#19681#19587
24M → 40K6214+48#19587#19539
40K → 25.2M2028-8#19539#19547
25.2M → Finish4440+4#19547#19543
TOTALS3100322+2778
📊

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