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BOSTON MARATHON 2025

Corry Marcincin

Bib: 19891•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Masters (Masters Women)
#0 / 6759
Top 4%
Division (F40-44)
#0 / 1718
Top 10%
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
7:42/mi
23:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
47:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:09:43
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:32:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:36:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:06/mi
1:54:08
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:17:10
↑ 181↓ 1480.2%
20M
7:32/mi
2:27:24
↑ 64↓ 500.2%
21M
7:48/mi
2:35:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:40:48
↑ 17↓ 861.7%
23M
7:33/mi
2:50:15
↑ 23↓ 630.6%
24M
7:38/mi
2:57:53
↓ 821.3%
40K· 24.85 mi
7:45/mi
3:04:31
↓ 200.3%
25.2M
8:30/mi
3:07:27
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:15:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:38:08
Pace7:29 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0023:567:4223:56
7:42
-
10K
6.21 mi11:39:1747:137:3623:17
7:30
-0:12
15K
9.32 mi12:01:471:09:437:2922:30
7:15
-0:15
20K
12.43 mi12:24:061:32:027:2422:19
7:11
-0:04
Half
13.11 mi12:28:591:36:557:244:53
7:09
-0:02
25K
15.53 mi12:46:121:54:087:2117:13
7:06
-0:03
30K
18.64 mi13:09:142:17:107:2123:02
7:25
+0:19
20M
20.00 mi13:19:282:27:247:2210:14
7:32
+0:07
21M
21.00 mi13:27:162:35:127:237:48
7:48
+0:16
35K
21.75 mi13:32:522:40:487:245:36
7:29
-0:19
23M
23.00 mi13:42:192:50:157:249:27
7:33
+0:04
24M
24.00 mi13:49:572:57:537:257:38
7:38
+0:05
40K
24.85 mi13:56:353:04:317:256:38
7:45
+0:07
25.2M
25.20 mi13:59:313:07:277:262:56
8:30
+0:45
Finish
26.22 mi14:07:073:15:037:277:36
7:27
-1:03

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

7:06 /mi

Average Pace

7:27 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:07

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:56

2% of race

Average Pace: 7:26 /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 mi11:16:0023:567:4223:56
7:42
#14002
10K
6.21 mi11:39:1747:137:3623:17
7:30
#13028
15K
9.32 mi12:01:471:09:437:2922:30
7:15
#11819
20K
12.43 mi12:24:061:32:027:2422:19
7:11
#10813
Half
13.11 mi12:28:591:36:557:244:53
7:09
#10692
25K
15.53 mi12:46:121:54:087:2117:13
7:06
#9973
30K
18.64 mi13:09:142:17:107:2123:02
7:25
#9361
20M
20.00 mi13:19:282:27:247:2210:14
7:32
#9156
21M
21.00 mi13:27:162:35:127:237:48
7:48
#8904
35K
21.75 mi13:32:522:40:487:245:36
7:29
#8852
23M
23.00 mi13:42:192:50:157:249:27
7:33
#8670
24M
24.00 mi13:49:572:57:537:257:38
7:38
#8627
40K
24.85 mi13:56:353:04:317:256:38
7:45
#8573
25.2M
25.20 mi13:59:313:07:277:262:56
8:30
#8564
Finish
26.22 mi14:07:073:15:037:277:36
7:27
#8570
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi14002390539059497(Top 33%)1649(Top 13%)1649(Top 96%)
10K6.21 mi3.10 mi13028+9743352+5533352+55312044(Top 42%)2837(Top 23%)2837(Top 165%)
15K9.32 mi3.11 mi11819+12092723+6292723+6299497(Top 33%)1649(Top 13%)1649(Top 96%)
20K12.43 mi3.11 mi10813+10062247+4762247+4768073(Top 28%)1139(Top 9%)1139(Top 66%)
Half13.11 mi0.68 mi10692+1212188+592188+598801(Top 31%)1413(Top 12%)1413(Top 82%)
25K15.53 mi2.42 mi9973+7191889+2991889+2996998(Top 25%)865(Top 7%)865(Top 50%)
30K18.64 mi3.11 mi9361+6121663+2261663+2267152(Top 25%)1075(Top 9%)1075(Top 63%)
20M20.00 mi1.36 mi9156+2051606+571606+577246(Top 26%)1248(Top 10%)1248(Top 73%)
21M21.00 mi1.00 mi8904+2521534+721534+726229(Top 22%)1007(Top 8%)1007(Top 59%)
35K21.75 mi0.75 mi8852+521533+11533+18540(Top 30%)1906(Top 16%)1906(Top 111%)
23M23.00 mi1.25 mi8670+1821500+331500+336932(Top 24%)1370(Top 11%)1370(Top 80%)
24M24.00 mi1.00 mi8627+431516-161516-168666(Top 31%)2161(Top 18%)2161(Top 126%)
40K24.85 mi0.85 mi8573+541533-171533-178502(Top 30%)2217(Top 18%)2217(Top 129%)
25.2M25.20 mi0.35 mi8564+91549-161549-168855(Top 31%)2439(Top 20%)2439(Top 142%)
Finish26.22 mi1.02 mi8570-61576-271576-278911(Top 31%)2485(Top 20%)2485(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9497

Females

1649

F40-44

1649

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

12044

Females

2837

F40-44

2837

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9497

Females

1649

F40-44

1649

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

8073

Females

1139

F40-44

1139

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8801

Females

1413

F40-44

1413

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6998

Females

865

F40-44

865

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7152

Females

1075

F40-44

1075

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7246

Females

1248

F40-44

1248

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6229

Females

1007

F40-44

1007

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8540

Females

1906

F40-44

1906

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6932

Females

1370

F40-44

1370

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8666

Females

2161

F40-44

2161

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8502

Females

2217

F40-44

2217

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8855

Females

2439

F40-44

2439

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8911

Females

2485

F40-44

2485

Passing Analysis

Category:
Athletes Passed
5774*
Passed By
342
Net Change
+5432
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14002
5K → 10K100430+974#14002#13028
10K → 15K12112+1209#13028#11819
15K → 20K10093+1006#11819#10813
20K → Half1232+121#10813#10692
Half → 25K720*1+719#10692#9973
25K → 30K6208+612#9973#9361
30K → 20M22015+205#9361#9156
20M → 21M2553+252#9156#8904
21M → 35K8331+52#8904#8852
35K → 23M20826+182#8852#8670
23M → 24M9956+43#8670#8627
24M → 40K10955+54#8627#8573
40K → 25.2M4132+9#8573#8564
25.2M → Finish7278-6#8564#8570
TOTALS5774*342+5432

* 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