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BOSTON MARATHON 2025

Cory Federline

Bib: 30048•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
8:27/mi
26:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
51:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:16:52
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:42:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:47:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:30/mi
2:08:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:46/mi
2:35:46
↑ 181↓ 1480.2%
20M
9:00/mi
2:48:00
↑ 64↓ 500.2%
21M
9:20/mi
2:57:20
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:04:01
↑ 17↓ 861.7%
23M
9:13/mi
3:15:33
↑ 23↓ 630.6%
24M
9:07/mi
3:24:40
↓ 821.3%
40K· 24.85 mi
9:37/mi
3:32:53
↓ 200.3%
25.2M
10:00/mi
3:36:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:45/mi
3:45:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:55
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:57:20
Pace8:57 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1926:168:2726:16
8:27
-
10K
6.21 mi12:11:4251:398:1925:23
8:10
-0:17
15K
9.32 mi12:36:551:16:528:1525:13
8:07
-0:03
20K
12.43 mi13:02:281:42:258:1425:33
8:13
+0:06
Half
13.11 mi13:07:581:47:558:145:30
8:04
-0:09
25K
15.53 mi13:28:352:08:328:1620:37
8:30
+0:26
30K
18.64 mi13:55:492:35:468:2127:14
8:46
+0:16
20M
20.00 mi14:08:032:48:008:2412:14
9:00
+0:14
21M
21.00 mi14:17:232:57:208:279:20
9:20
+0:20
35K
21.75 mi14:24:043:04:018:286:41
8:56
-0:24
23M
23.00 mi14:35:363:15:338:3011:32
9:13
+0:17
24M
24.00 mi14:44:433:24:408:329:07
9:07
-0:06
40K
24.85 mi14:52:563:32:538:348:13
9:37
+0:30
25.2M
25.20 mi14:56:233:36:208:353:27
10:00
+0:23
Finish
26.22 mi15:05:183:45:158:368:55
8:45
-1:15

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

8:04 /mi

Average Pace

8:36 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:55

48% of race

Time at Steady Pace

1:15:41

34% of race

Time at Slower Pace

41:39

18% of race

Average Pace: 8:35 /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 mi11:46:1926:168:2726:16
8:27
#19613
10K
6.21 mi12:11:4251:398:1925:23
8:10
#18687
15K
9.32 mi12:36:551:16:528:1525:13
8:07
#18075
20K
12.43 mi13:02:281:42:258:1425:33
8:13
#17614
Half
13.11 mi13:07:581:47:558:145:30
8:04
#17547
25K
15.53 mi13:28:352:08:328:1620:37
8:30
#17442
30K
18.64 mi13:55:492:35:468:2127:14
8:46
#17168
20M
20.00 mi14:08:032:48:008:2412:14
9:00
#17125
21M
21.00 mi14:17:232:57:208:279:20
9:20
#16972
35K
21.75 mi14:24:043:04:018:286:41
8:56
#17017
23M
23.00 mi14:35:363:15:338:3011:32
9:13
#17028
24M
24.00 mi14:44:433:24:408:329:07
9:07
#17079
40K
24.85 mi14:52:563:32:538:348:13
9:37
#17172
25.2M
25.20 mi14:56:233:36:208:353:27
10:00
#17175
Finish
26.22 mi15:05:183:45:158:368:55
8:45
#17206
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi19613122891228916837(Top 59%)11153(Top 69%)11153(Top 496%)
10K6.21 mi3.10 mi18687+92611902+38711902+38717684(Top 62%)11526(Top 72%)11526(Top 513%)
15K9.32 mi3.11 mi18075+61211647+25511647+25516837(Top 59%)11153(Top 69%)11153(Top 496%)
20K12.43 mi3.11 mi17614+46111455+19211455+19216458(Top 58%)10949(Top 68%)10949(Top 487%)
Half13.11 mi0.68 mi17547+6711438+1711438+1716338(Top 58%)10914(Top 68%)10914(Top 486%)
25K15.53 mi2.42 mi17442+10511369+6911369+6917211(Top 61%)11183(Top 69%)11183(Top 498%)
30K18.64 mi3.11 mi17168+27411202+16711202+16716387(Top 58%)10663(Top 66%)10663(Top 475%)
20M20.00 mi1.36 mi17125+4311156+4611156+4616791(Top 59%)10723(Top 67%)10723(Top 477%)
21M21.00 mi1.00 mi16972+15311064+9211064+9215302(Top 54%)9917(Top 62%)9917(Top 441%)
35K21.75 mi0.75 mi17017-4511060+411060+417896(Top 63%)10999(Top 68%)10999(Top 489%)
23M23.00 mi1.25 mi17028-1111031+2911031+2917371(Top 61%)10681(Top 66%)10681(Top 475%)
24M24.00 mi1.00 mi17079-5111028+311028+317952(Top 63%)10898(Top 68%)10898(Top 485%)
40K24.85 mi0.85 mi17172-9311040-1211040-1219109(Top 67%)11370(Top 71%)11370(Top 506%)
25.2M25.20 mi0.35 mi17175-311030+1011030+1017006(Top 60%)10371(Top 64%)10371(Top 462%)
Finish26.22 mi1.02 mi17206-3111028+211028+217756(Top 63%)10751(Top 67%)10751(Top 478%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16837

Males

11153

M40-44

11153

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17684

Males

11526

M40-44

11526

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16837

Males

11153

M40-44

11153

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16458

Males

10949

M40-44

10949

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16338

Males

10914

M40-44

10914

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17211

Males

11183

M40-44

11183

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16387

Males

10663

M40-44

10663

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16791

Males

10723

M40-44

10723

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15302

Males

9917

M40-44

9917

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

17896

Males

10999

M40-44

10999

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17371

Males

10681

M40-44

10681

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17952

Males

10898

M40-44

10898

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19109

Males

11370

M40-44

11370

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17006

Males

10371

M40-44

10371

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17756

Males

10751

M40-44

10751

Passing Analysis

Category:
Athletes Passed
3407
Passed By
1000
Net Change
+2407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19613
5K → 10K97044+926#19613#18687
10K → 15K63321+612#18687#18075
15K → 20K48322+461#18075#17614
20K → Half7811+67#17614#17547
Half → 25K216111+105#17547#17442
25K → 30K35581+274#17442#17168
30K → 20M11875+43#17168#17125
20M → 21M19845+153#17125#16972
21M → 35K5095-45#16972#17017
35K → 23M111122-11#17017#17028
23M → 24M65116-51#17028#17079
24M → 40K38131-93#17079#17172
40K → 25.2M3134-3#17172#17175
25.2M → Finish6192-31#17175#17206
TOTALS34071000+2407
📊

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