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BOSTON MARATHON 2023

Jocelyn Cascio

Bib: 21315•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 28%
Masters (Masters Women)
#0 / 6539
Top 15%
Division (F45-49)
#0 / 1817
Top 15%
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
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:13:01
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:37:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:42:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:01:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:27:12
↑ 181↓ 1480.2%
20M
8:10/mi
2:38:18
↑ 64↓ 500.2%
21M
8:59/mi
2:47:17
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:53:04
↑ 17↓ 861.7%
23M
8:11/mi
3:03:19
↑ 23↓ 630.6%
24M
7:55/mi
3:11:14
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:18:14
↓ 200.3%
25.2M
8:48/mi
3:21:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:29:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:51
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:46:39
Pace8:08 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3624:167:4924:16
7:49
-
10K
6.21 mi11:41:4448:247:4724:08
7:46
-0:03
15K
9.32 mi12:06:211:13:017:5024:37
7:55
+0:09
20K
12.43 mi12:30:521:37:327:5124:31
7:53
-0:02
Half
13.11 mi12:36:111:42:517:515:19
7:48
-0:05
25K
15.53 mi12:55:172:01:577:5119:06
7:53
+0:05
30K
18.64 mi13:20:322:27:127:5425:15
8:08
+0:15
20M
20.00 mi13:31:382:38:187:5511:06
8:10
+0:02
21M
21.00 mi13:40:372:47:177:588:59
8:59
+0:49
35K
21.75 mi13:46:242:53:047:575:47
7:44
-1:15
23M
23.00 mi13:56:393:03:197:5810:15
8:11
+0:27
24M
24.00 mi14:04:343:11:147:587:55
7:55
-0:16
40K
24.85 mi14:11:343:18:147:597:00
8:11
+0:16
25.2M
25.20 mi14:14:363:21:167:593:02
8:48
+0:37
Finish
26.22 mi14:22:503:29:308:008:14
8:05
-0:43

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

7:44 /mi

Average Pace

8:00 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:29

94% of race

Time at Steady Pace

12:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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 mi11:17:3624:167:4924:16
7:49
#12468
10K
6.21 mi11:41:4448:247:4724:08
7:46
#12597
15K
9.32 mi12:06:211:13:017:5024:37
7:55
#12994
20K
12.43 mi12:30:521:37:327:5124:31
7:53
#12835
Half
13.11 mi12:36:111:42:517:515:19
7:48
#12821
25K
15.53 mi12:55:172:01:577:5119:06
7:53
#12595
30K
18.64 mi13:20:322:27:127:5425:15
8:08
#12430
20M
20.00 mi13:31:382:38:187:5511:06
8:10
#12346
21M
21.00 mi13:40:372:47:177:588:59
8:59
#12373
35K
21.75 mi13:46:242:53:047:575:47
7:44
#12295
23M
23.00 mi13:56:393:03:197:5810:15
8:11
#12227
24M
24.00 mi14:04:343:11:147:587:55
7:55
#12147
40K
24.85 mi14:11:343:18:147:597:00
8:11
#12094
25.2M
25.20 mi14:14:363:21:167:593:02
8:48
#12074
Finish
26.22 mi14:22:503:29:308:008:14
8:05
#12099
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi124683139313913767(Top 52%)3940(Top 34%)3940(Top 217%)
10K6.21 mi3.10 mi12597-1293208-693208-6912863(Top 48%)3352(Top 29%)3352(Top 184%)
15K9.32 mi3.11 mi12994-3973454-2463454-24613767(Top 52%)3940(Top 34%)3940(Top 217%)
20K12.43 mi3.11 mi12835+1593383+713383+7112556(Top 47%)3287(Top 29%)3287(Top 181%)
Half13.11 mi0.68 mi12821+143376+73376+712713(Top 48%)3319(Top 29%)3319(Top 183%)
25K15.53 mi2.42 mi12595+2263279+973279+9711765(Top 44%)2939(Top 26%)2939(Top 162%)
30K18.64 mi3.11 mi12430+1653215+643215+6411843(Top 44%)3091(Top 27%)3091(Top 170%)
20M20.00 mi1.36 mi12346+843186+293186+2911496(Top 43%)3002(Top 26%)3002(Top 165%)
21M21.00 mi1.00 mi12373-273215-293215-2913328(Top 50%)4115(Top 36%)4115(Top 226%)
35K21.75 mi0.75 mi12295+783190+253190+2510209(Top 38%)2478(Top 22%)2478(Top 136%)
23M23.00 mi1.25 mi12227+683181+93181+911124(Top 42%)3078(Top 27%)3078(Top 169%)
24M24.00 mi1.00 mi12147+803160+213160+2110691(Top 40%)2935(Top 26%)2935(Top 162%)
40K24.85 mi0.85 mi12094+533154+63154+611291(Top 42%)3300(Top 29%)3300(Top 182%)
25.2M25.20 mi0.35 mi12074+203151+33151+311376(Top 43%)3388(Top 30%)3388(Top 186%)
Finish26.22 mi1.02 mi12099-253180-293180-2912665(Top 48%)4041(Top 35%)4041(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13767

Females

3940

F45-49

3940

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12863

Females

3352

F45-49

3352

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13767

Females

3940

F45-49

3940

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12556

Females

3287

F45-49

3287

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12713

Females

3319

F45-49

3319

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11765

Females

2939

F45-49

2939

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11843

Females

3091

F45-49

3091

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11496

Females

3002

F45-49

3002

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13328

Females

4115

F45-49

4115

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10209

Females

2478

F45-49

2478

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11124

Females

3078

F45-49

3078

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10691

Females

2935

F45-49

2935

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11291

Females

3300

F45-49

3300

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11376

Females

3388

F45-49

3388

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12665

Females

4041

F45-49

4041

Passing Analysis

Category:
Athletes Passed
1895
Passed By
1526
Net Change
+369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12468
5K → 10K247376-129#12468#12597
10K → 15K72469-397#12597#12994
15K → 20K263104+159#12994#12835
20K → Half3925+14#12835#12821
Half → 25K26539+226#12821#12595
25K → 30K281116+165#12595#12430
30K → 20M13955+84#12430#12346
20M → 21M82109-27#12346#12373
21M → 35K8810+78#12373#12295
35K → 23M12456+68#12295#12227
23M → 24M10222+80#12227#12147
24M → 40K9441+53#12147#12094
40K → 25.2M3717+20#12094#12074
25.2M → Finish6287-25#12074#12099
TOTALS18951526+369
📊

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