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BOSTON MARATHON 2025

Jeff Korhan

Bib: 24642•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:31
Rank: #24243
Start → 5K
29:31 | 9:30/mi
10K· 6.21 mi
59:19
Rank: #24309 (-66)
5K → 10K
29:48 | 9:36/mi
15K· 9.32 mi
1:28:54
Rank: #24136 (+173)
10K → 15K
29:35 | 9:31/mi
20K· 12.43 mi
1:59:11
Rank: #23975 (+161)
15K → 20K
30:17 | 9:45/mi
Half· 13.11 mi
2:05:53
Rank: #24011 (-36)
20K → Half
6:42 | 9:49/mi
25K· 15.53 mi
2:30:10
Rank: #23893 (+118)
Half → 25K
24:17 | 10:01/mi
30K· 18.64 mi
3:01:45
Rank: #23527 (+366)
25K → 30K
31:35 | 10:10/mi
20M
3:16:07
Rank: #23449 (+78)
30K → 20M
14:22 | 10:34/mi
21M
3:27:18
Rank: #23339 (+110)
20M → 21M
11:11 | 11:11/mi
35K· 21.75 mi
3:35:01
Rank: #23327 (+12)
21M → 35K
7:43 | 10:19/mi
23M
3:46:56
Rank: #23098 (+229)
35K → 23M
11:55 | 9:31/mi
24M
3:56:08
Rank: #22913 (+185)
23M → 24M
9:12 | 9:12/mi
40K· 24.85 mi
4:03:53
Rank: #22700 (+213)
24M → 40K
7:45 | 9:04/mi
25.2M
4:07:15
Rank: #22633 (+67)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
4:15:50
Rank: #22459 (+174)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:53
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:09:57
Pace9:55 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:0729:319:3029:31
9:30
-
10K
6.21 mi12:00:5559:199:3329:48
9:36
+0:06
15K
9.32 mi12:30:301:28:549:3229:35
9:31
-0:05
20K
12.43 mi13:00:471:59:119:3530:17
9:45
+0:14
Half
13.11 mi13:07:292:05:539:366:42
9:49
+0:04
25K
15.53 mi13:31:462:30:109:4024:17
10:01
+0:12
30K
18.64 mi14:03:213:01:459:4531:35
10:10
+0:09
20M
20.00 mi14:17:433:16:079:4814:22
10:34
+0:24
21M
21.00 mi14:28:543:27:189:5211:11
11:11
+0:37
35K
21.75 mi14:36:373:35:019:537:43
10:19
-0:52
23M
23.00 mi14:48:323:46:569:5211:55
9:31
-0:48
24M
24.00 mi14:57:443:56:089:509:12
9:12
-0:19
40K
24.85 mi15:05:294:03:539:497:45
9:04
-0:08
25.2M
25.20 mi15:08:514:07:159:493:22
9:46
+0:42
Finish
26.22 mi15:17:264:15:509:468:35
8:25
-1:21

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

8:25 /mi

Average Pace

9:46 /mi

Slowest Pace

11:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:32

10% of race

Time at Steady Pace

2:45:27

65% of race

Time at Slower Pace

1:04:51

25% of race

Average Pace: 9:45 /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 mi11:31:0729:319:3029:31
9:30
#24243
10K
6.21 mi12:00:5559:199:3329:48
9:36
#24309
15K
9.32 mi12:30:301:28:549:3229:35
9:31
#24136
20K
12.43 mi13:00:471:59:119:3530:17
9:45
#23975
Half
13.11 mi13:07:292:05:539:366:42
9:49
#24011
25K
15.53 mi13:31:462:30:109:4024:17
10:01
#23893
30K
18.64 mi14:03:213:01:459:4531:35
10:10
#23527
20M
20.00 mi14:17:433:16:079:4814:22
10:34
#23449
21M
21.00 mi14:28:543:27:189:5211:11
11:11
#23339
35K
21.75 mi14:36:373:35:019:537:43
10:19
#23327
23M
23.00 mi14:48:323:46:569:5211:55
9:31
#23098
24M
24.00 mi14:57:443:56:089:509:12
9:12
#22913
40K
24.85 mi15:05:294:03:539:497:45
9:04
#22700
25.2M
25.20 mi15:08:514:07:159:493:22
9:46
#22633
Finish
26.22 mi15:17:264:15:509:468:35
8:25
#22459
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi24243143591435923807(Top 84%)14196(Top 88%)14196(Top 2222%)
10K6.21 mi3.10 mi24309-6614395-3614395-3624333(Top 86%)14392(Top 89%)14392(Top 2252%)
15K9.32 mi3.11 mi24136+17314328+6714328+6723807(Top 84%)14196(Top 88%)14196(Top 2222%)
20K12.43 mi3.11 mi23975+16114231+9714231+9723614(Top 83%)14062(Top 87%)14062(Top 2201%)
Half13.11 mi0.68 mi24011-3614249-1814249-1824408(Top 86%)14396(Top 89%)14396(Top 2253%)
25K15.53 mi2.42 mi23893+11814191+5814191+5823287(Top 82%)13869(Top 86%)13869(Top 2170%)
30K18.64 mi3.11 mi23527+36613996+19513996+19522100(Top 78%)13223(Top 82%)13223(Top 2069%)
20M20.00 mi1.36 mi23449+7813942+5413942+5422611(Top 80%)13342(Top 83%)13342(Top 2088%)
21M21.00 mi1.00 mi23339+11013867+7513867+7521856(Top 77%)12909(Top 80%)12909(Top 2020%)
35K21.75 mi0.75 mi23327+1213851+1613851+1622720(Top 80%)13262(Top 82%)13262(Top 2075%)
23M23.00 mi1.25 mi23098+22913719+13213719+13218777(Top 66%)11347(Top 70%)11347(Top 1776%)
24M24.00 mi1.00 mi22913+18513611+10813611+10818351(Top 65%)11090(Top 69%)11090(Top 1736%)
40K24.85 mi0.85 mi22700+21313502+10913502+10916689(Top 59%)10241(Top 64%)10241(Top 1603%)
25.2M25.20 mi0.35 mi22633+6713453+4913453+4915915(Top 56%)9852(Top 61%)9852(Top 1542%)
Finish26.22 mi1.02 mi22459+17413363+9013363+9015737(Top 55%)9826(Top 61%)9826(Top 1538%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23807

Males

14196

M65-69

14196

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24333

Males

14392

M65-69

14392

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23807

Males

14196

M65-69

14196

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23614

Males

14062

M65-69

14062

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24408

Males

14396

M65-69

14396

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23287

Males

13869

M65-69

13869

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22100

Males

13223

M65-69

13223

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22611

Males

13342

M65-69

13342

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21856

Males

12909

M65-69

12909

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22720

Males

13262

M65-69

13262

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18777

Males

11347

M65-69

11347

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18351

Males

11090

M65-69

11090

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16689

Males

10241

M65-69

10241

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15915

Males

9852

M65-69

9852

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15737

Males

9826

M65-69

9826

Passing Analysis

Category:
Athletes Passed
2404
Passed By
620
Net Change
+1784
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24243
5K → 10K189255-66#24243#24309
10K → 15K24370+173#24309#24136
15K → 20K22261+161#24136#23975
20K → Half1551-36#23975#24011
Half → 25K17961+118#24011#23893
25K → 30K38317+366#23893#23527
30K → 20M11234+78#23527#23449
20M → 21M13626+110#23449#23339
21M → 35K5038+12#23339#23327
35K → 23M2323+229#23327#23098
23M → 24M1861+185#23098#22913
24M → 40K2130+213#22913#22700
40K → 25.2M692+67#22700#22633
25.2M → Finish1751+174#22633#22459
TOTALS2404620+1784
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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