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BOSTON MARATHON 2025

Jocelyn Cascio

Bib: 18647•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Masters (Masters Women)
#0 / 6759
Top 25%
Division (F50-54)
#0 / 1303
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
49:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:14:33
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:39:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:44:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:04:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:30:45
↑ 181↓ 1480.2%
20M
8:34/mi
2:42:24
↑ 64↓ 500.2%
21M
9:08/mi
2:51:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
2:57:51
↑ 17↓ 861.7%
23M
8:38/mi
3:08:39
↑ 23↓ 630.6%
24M
8:29/mi
3:17:08
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:24:26
↓ 200.3%
25.2M
9:31/mi
3:27:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:36:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:59
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:51:24
Pace8:30 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:34:5224:367:5524:36
7:55
-
10K
6.21 mi10:59:5549:397:5925:03
8:04
+0:09
15K
9.32 mi11:24:491:14:338:0024:54
8:01
-0:03
20K
12.43 mi11:49:531:39:378:0125:04
8:04
+0:03
Half
13.11 mi11:55:151:44:598:005:22
7:52
-0:12
25K
15.53 mi12:14:452:04:298:0119:30
8:03
+0:11
30K
18.64 mi12:41:012:30:458:0526:16
8:27
+0:24
20M
20.00 mi12:52:402:42:248:0711:39
8:34
+0:07
21M
21.00 mi13:01:482:51:328:109:08
9:08
+0:34
35K
21.75 mi13:08:072:57:518:116:19
8:27
-0:41
23M
23.00 mi13:18:553:08:398:1210:48
8:38
+0:11
24M
24.00 mi13:27:243:17:088:138:29
8:29
-0:09
40K
24.85 mi13:34:423:24:268:147:18
8:32
+0:03
25.2M
25.20 mi13:37:593:27:438:153:17
9:31
+0:59
Finish
26.22 mi13:46:393:36:238:168:40
8:30
-1:01

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

7:52 /mi

Average Pace

8:16 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:29

58% of race

Time at Steady Pace

1:19:29

37% of race

Time at Slower Pace

12:25

6% of race

Average Pace: 8:15 /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 mi10:34:5224:367:5524:36
7:55
#15890
10K
6.21 mi10:59:5549:397:5925:03
8:04
#16440
15K
9.32 mi11:24:491:14:338:0024:54
8:01
#16315
20K
12.43 mi11:49:531:39:378:0125:04
8:04
#16063
Half
13.11 mi11:55:151:44:598:005:22
7:52
#15988
25K
15.53 mi12:14:452:04:298:0119:30
8:03
#15661
30K
18.64 mi12:41:012:30:458:0526:16
8:27
#15417
20M
20.00 mi12:52:402:42:248:0711:39
8:34
#15289
21M
21.00 mi13:01:482:51:328:109:08
9:08
#15162
35K
21.75 mi13:08:072:57:518:116:19
8:27
#15139
23M
23.00 mi13:18:553:08:398:1210:48
8:38
#15045
24M
24.00 mi13:27:243:17:088:138:29
8:29
#14980
40K
24.85 mi13:34:423:24:268:147:18
8:32
#14917
25.2M
25.20 mi13:37:593:27:438:153:17
9:31
#14903
Finish
26.22 mi13:46:393:36:238:168:40
8:30
#14938
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi158905074507416162(Top 57%)5235(Top 43%)5235(Top 402%)
10K6.21 mi3.10 mi16440-5505404-3305404-33016943(Top 60%)5670(Top 46%)5670(Top 435%)
15K9.32 mi3.11 mi16315+1255321+835321+8316162(Top 57%)5235(Top 43%)5235(Top 402%)
20K12.43 mi3.11 mi16063+2525190+1315190+13115416(Top 54%)4868(Top 40%)4868(Top 374%)
Half13.11 mi0.68 mi15988+755141+495141+4914869(Top 52%)4547(Top 37%)4547(Top 349%)
25K15.53 mi2.42 mi15661+3274976+1654976+16514241(Top 50%)4334(Top 35%)4334(Top 333%)
30K18.64 mi3.11 mi15417+2444900+764900+7614483(Top 51%)4624(Top 38%)4624(Top 355%)
20M20.00 mi1.36 mi15289+1284855+454855+4514277(Top 50%)4651(Top 38%)4651(Top 357%)
21M21.00 mi1.00 mi15162+1274815+404815+4014290(Top 50%)4783(Top 39%)4783(Top 367%)
35K21.75 mi0.75 mi15139+234818-34818-315146(Top 53%)5308(Top 43%)5308(Top 407%)
23M23.00 mi1.25 mi15045+944792+264792+2614115(Top 50%)4859(Top 40%)4859(Top 373%)
24M24.00 mi1.00 mi14980+654792479214412(Top 51%)5039(Top 41%)5039(Top 387%)
40K24.85 mi0.85 mi14917+634783+94783+913698(Top 48%)4809(Top 39%)4809(Top 369%)
25.2M25.20 mi0.35 mi14903+144787-44787-414728(Top 52%)5398(Top 44%)5398(Top 414%)
Finish26.22 mi1.02 mi14938-354838-514838-5116257(Top 57%)6161(Top 50%)6161(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16162

Females

5235

F50-54

5235

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16943

Females

5670

F50-54

5670

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16162

Females

5235

F50-54

5235

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15416

Females

4868

F50-54

4868

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14869

Females

4547

F50-54

4547

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14241

Females

4334

F50-54

4334

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14483

Females

4624

F50-54

4624

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14277

Females

4651

F50-54

4651

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14290

Females

4783

F50-54

4783

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15146

Females

5308

F50-54

5308

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14115

Females

4859

F50-54

4859

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14412

Females

5039

F50-54

5039

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13698

Females

4809

F50-54

4809

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14728

Females

5398

F50-54

5398

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16257

Females

6161

F50-54

6161

Passing Analysis

Category:
Athletes Passed
2426
Passed By
1474
Net Change
+952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15890
5K → 10K148698-550#15890#16440
10K → 15K268143+125#16440#16315
15K → 20K33583+252#16315#16063
20K → Half8611+75#16063#15988
Half → 25K35326+327#15988#15661
25K → 30K357113+244#15661#15417
30K → 20M17446+128#15417#15289
20M → 21M17851+127#15289#15162
21M → 35K6845+23#15162#15139
35K → 23M14854+94#15139#15045
23M → 24M11651+65#15045#14980
24M → 40K9027+63#14980#14917
40K → 25.2M4531+14#14917#14903
25.2M → Finish6095-35#14903#14938
TOTALS24261474+952
📊

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