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BOSTON MARATHON 2025

Casey Kaplan

Bib: 16023•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 12%
Division (F18-39)
#0 / 5469
Top 22%
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
7:26/mi
23:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:08:19
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:30:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:36:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:53:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:17:23
↑ 181↓ 1480.2%
20M
7:30/mi
2:27:35
↑ 64↓ 500.2%
21M
7:46/mi
2:35:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:40:48
↑ 17↓ 861.7%
23M
7:34/mi
2:50:16
↑ 23↓ 630.6%
24M
7:28/mi
2:57:44
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:04:18
↓ 200.3%
25.2M
8:04/mi
3:07:05
↑ 13↓ 160.2%
Finish· 26.22 mi
6:54/mi
3:14:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:00
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:38:07
Pace7:29 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3123:077:2623:07
7:26
-
10K
6.21 mi11:20:0845:447:2222:37
7:17
-0:09
15K
9.32 mi11:42:431:08:197:2022:35
7:16
-0:01
20K
12.43 mi12:05:221:30:587:1922:39
7:17
+0:01
Half
13.11 mi12:10:241:36:007:195:02
7:23
+0:06
25K
15.53 mi12:28:191:53:557:2017:55
7:23
0:00
30K
18.64 mi12:51:472:17:237:2223:28
7:33
+0:10
20M
20.00 mi13:01:592:27:357:2310:12
7:30
-0:03
21M
21.00 mi13:09:452:35:217:247:46
7:46
+0:16
35K
21.75 mi13:15:122:40:487:245:27
7:17
-0:29
23M
23.00 mi13:24:402:50:167:249:28
7:34
+0:17
24M
24.00 mi13:32:082:57:447:247:28
7:28
-0:06
40K
24.85 mi13:38:423:04:187:256:34
7:41
+0:13
25.2M
25.20 mi13:41:293:07:057:252:47
8:04
+0:23
Finish
26.22 mi13:48:313:14:077:257:02
6:54
-1:10

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

6:54 /mi

Average Pace

7:25 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:00

91% of race

Time at Steady Pace

17:07

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi10:57:3123:077:2623:07
7:26
#11710
10K
6.21 mi11:20:0845:447:2222:37
7:17
#10870
15K
9.32 mi11:42:431:08:197:2022:35
7:16
#10481
20K
12.43 mi12:05:221:30:587:1922:39
7:17
#10044
Half
13.11 mi12:10:241:36:007:195:02
7:23
#10075
25K
15.53 mi12:28:191:53:557:2017:55
7:23
#9856
30K
18.64 mi12:51:472:17:237:2223:28
7:33
#9446
20M
20.00 mi13:01:592:27:357:2310:12
7:30
#9219
21M
21.00 mi13:09:452:35:217:247:46
7:46
#8974
35K
21.75 mi13:15:122:40:487:245:27
7:17
#8849
23M
23.00 mi13:24:402:50:167:249:28
7:34
#8680
24M
24.00 mi13:32:082:57:447:247:28
7:28
#8573
40K
24.85 mi13:38:423:04:187:256:34
7:41
#8496
25.2M
25.20 mi13:41:293:07:057:252:47
8:04
#8431
Finish
26.22 mi13:48:313:14:077:257:02
6:54
#8264
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11710263126319733(Top 34%)1765(Top 14%)1765(Top 32%)
10K6.21 mi3.10 mi10870+8402240+3912240+39110193(Top 36%)1905(Top 16%)1905(Top 35%)
15K9.32 mi3.11 mi10481+3892063+1772063+1779733(Top 34%)1765(Top 14%)1765(Top 32%)
20K12.43 mi3.11 mi10044+4371889+1741889+1748993(Top 32%)1520(Top 12%)1520(Top 28%)
Half13.11 mi0.68 mi10075-311907-181907-1810689(Top 38%)2254(Top 18%)2254(Top 41%)
25K15.53 mi2.42 mi9856+2191839+681839+689078(Top 32%)1664(Top 14%)1664(Top 30%)
30K18.64 mi3.11 mi9446+4101702+1371702+1378117(Top 29%)1439(Top 12%)1439(Top 26%)
20M20.00 mi1.36 mi9219+2271631+711631+717080(Top 25%)1180(Top 10%)1180(Top 22%)
21M21.00 mi1.00 mi8974+2451564+671564+676040(Top 21%)948(Top 8%)948(Top 17%)
35K21.75 mi0.75 mi8849+1251530+341530+347182(Top 25%)1359(Top 11%)1359(Top 25%)
23M23.00 mi1.25 mi8680+1691504+261504+267017(Top 25%)1409(Top 12%)1409(Top 26%)
24M24.00 mi1.00 mi8573+1071491+131491+137483(Top 26%)1651(Top 14%)1651(Top 30%)
40K24.85 mi0.85 mi8496+771502-111502-117976(Top 28%)1968(Top 16%)1968(Top 36%)
25.2M25.20 mi0.35 mi8431+651492+101492+106394(Top 23%)1397(Top 11%)1397(Top 26%)
Finish26.22 mi1.02 mi8264+1671458+341458+345142(Top 18%)915(Top 7%)915(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9733

Females

1765

F18-39

1765

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10193

Females

1905

F18-39

1905

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9733

Females

1765

F18-39

1765

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8993

Females

1520

F18-39

1520

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10689

Females

2254

F18-39

2254

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

9078

Females

1664

F18-39

1664

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8117

Females

1439

F18-39

1439

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

7080

Females

1180

F18-39

1180

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

6040

Females

948

F18-39

948

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

7182

Females

1359

F18-39

1359

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7017

Females

1409

F18-39

1409

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7483

Females

1651

F18-39

1651

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7976

Females

1968

F18-39

1968

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6394

Females

1397

F18-39

1397

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

5142

Females

915

F18-39

915

Passing Analysis

Category:
Athletes Passed
3823*
Passed By
376
Net Change
+3446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11710
5K → 10K88343+840#11710#10870
10K → 15K41728+389#10870#10481
15K → 20K45517+437#10481#10044
20K → Half2253-31#10044#10075
Half → 25K273*54+219#10075#9856
25K → 30K45141+410#9856#9446
30K → 20M2369+227#9446#9219
20M → 21M2538+245#9219#8974
21M → 35K1349+125#8974#8849
35K → 23M20031+169#8849#8680
23M → 24M13730+107#8680#8573
24M → 40K11134+77#8573#8496
40K → 25.2M7510+65#8496#8431
25.2M → Finish1769+167#8431#8264
TOTALS3823*376+3446

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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