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BOSTON MARATHON 2025

John Clohisey

Bib: 22939•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:50
Rank: #18797
Start → 5K
25:50 | 8:19/mi
10K· 6.21 mi
51:45
Rank: #18786 (+11)
5K → 10K
25:55 | 8:21/mi
15K· 9.32 mi
1:17:52
Rank: #18752 (+34)
10K → 15K
26:07 | 8:24/mi
20K· 12.43 mi
1:44:35
Rank: #18747 (+5)
15K → 20K
26:43 | 8:36/mi
Half· 13.11 mi
1:50:23
Rank: #18769 (-22)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:11:23
Rank: #18633 (+136)
Half → 25K
21:00 | 8:40/mi
30K· 18.64 mi
2:39:39
Rank: #18527 (+106)
25K → 30K
28:16 | 9:06/mi
20M
2:52:09
Rank: #18476 (+51)
30K → 20M
12:30 | 9:12/mi
21M
3:02:02
Rank: #18411 (+65)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:08:50
Rank: #18437 (-26)
21M → 35K
6:48 | 9:05/mi
23M
3:20:33
Rank: #18390 (+47)
35K → 23M
11:43 | 9:21/mi
24M
3:29:49
Rank: #18392 (-2)
23M → 24M
9:16 | 9:16/mi
40K· 24.85 mi
3:37:54
Rank: #18412 (-20)
24M → 40K
8:05 | 9:27/mi
25.2M
3:41:29
Rank: #18418 (-6)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:51:03
Rank: #18549 (-131)
25.2M → Finish
9:34 | 9:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:23
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:00:40
Pace9:12 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2725:508:1925:50
8:19
-
10K
6.21 mi11:49:2251:458:2025:55
8:21
+0:02
15K
9.32 mi12:15:291:17:528:2126:07
8:24
+0:03
20K
12.43 mi12:42:121:44:358:2526:43
8:36
+0:12
Half
13.11 mi12:48:001:50:238:255:48
8:30
-0:06
25K
15.53 mi13:09:002:11:238:2721:00
8:40
+0:10
30K
18.64 mi13:37:162:39:398:3428:16
9:06
+0:26
20M
20.00 mi13:49:462:52:098:3612:30
9:12
+0:06
21M
21.00 mi13:59:393:02:028:409:53
9:53
+0:41
35K
21.75 mi14:06:273:08:508:416:48
9:05
-0:48
23M
23.00 mi14:18:103:20:338:4311:43
9:21
+0:16
24M
24.00 mi14:27:263:29:498:459:16
9:16
-0:05
40K
24.85 mi14:35:313:37:548:468:05
9:27
+0:11
25.2M
25.20 mi14:39:063:41:298:473:35
10:23
+0:56
Finish
26.22 mi14:48:403:51:038:499:34
9:23
-1:00

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

8:19 /mi

Average Pace

8:49 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:23

57% of race

Time at Steady Pace

1:18:07

34% of race

Time at Slower Pace

21:33

9% of race

Average Pace: 8:49 /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 mi11:23:2725:508:1925:50
8:19
#18797
10K
6.21 mi11:49:2251:458:2025:55
8:21
#18786
15K
9.32 mi12:15:291:17:528:2126:07
8:24
#18752
20K
12.43 mi12:42:121:44:358:2526:43
8:36
#18747
Half
13.11 mi12:48:001:50:238:255:48
8:30
#18769
25K
15.53 mi13:09:002:11:238:2721:00
8:40
#18633
30K
18.64 mi13:37:162:39:398:3428:16
9:06
#18527
20M
20.00 mi13:49:462:52:098:3612:30
9:12
#18476
21M
21.00 mi13:59:393:02:028:409:53
9:53
#18411
35K
21.75 mi14:06:273:08:508:416:48
9:05
#18437
23M
23.00 mi14:18:103:20:338:4311:43
9:21
#18390
24M
24.00 mi14:27:263:29:498:459:16
9:16
#18392
40K
24.85 mi14:35:313:37:548:468:05
9:27
#18412
25.2M
25.20 mi14:39:063:41:298:473:35
10:23
#18418
Finish
26.22 mi14:48:403:51:038:499:34
9:23
#18549
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi18797119491194918737(Top 66%)11939(Top 74%)11939(Top 5236%)
10K6.21 mi3.10 mi18786+1111943+611943+618812(Top 66%)11988(Top 74%)11988(Top 5258%)
15K9.32 mi3.11 mi18752+3411936+711936+718737(Top 66%)11939(Top 74%)11939(Top 5236%)
20K12.43 mi3.11 mi18747+511937-111937-118835(Top 66%)11967(Top 74%)11967(Top 5249%)
Half13.11 mi0.68 mi18769-2211945-811945-819160(Top 67%)12108(Top 75%)12108(Top 5311%)
25K15.53 mi2.42 mi18633+13611868+7711868+7718150(Top 64%)11595(Top 72%)11595(Top 5086%)
30K18.64 mi3.11 mi18527+10611801+6711801+6718172(Top 64%)11447(Top 71%)11447(Top 5021%)
20M20.00 mi1.36 mi18476+5111742+5911742+5917768(Top 63%)11149(Top 69%)11149(Top 4890%)
21M21.00 mi1.00 mi18411+6511683+5911683+5917833(Top 63%)11082(Top 69%)11082(Top 4861%)
35K21.75 mi0.75 mi18437-2611686-311686-318639(Top 66%)11317(Top 70%)11317(Top 4964%)
23M23.00 mi1.25 mi18390+4711639+4711639+4718037(Top 64%)10995(Top 68%)10995(Top 4822%)
24M24.00 mi1.00 mi18392-211609+3011609+3018643(Top 66%)11233(Top 70%)11233(Top 4927%)
40K24.85 mi0.85 mi18412-2011588+2111588+2118510(Top 65%)11077(Top 69%)11077(Top 4858%)
25.2M25.20 mi0.35 mi18418-611581+711581+718582(Top 65%)11114(Top 69%)11114(Top 4875%)
Finish26.22 mi1.02 mi18549-13111620-3911620-3920729(Top 73%)12156(Top 75%)12156(Top 5332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18737

Males

11939

M70-74

11939

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

18812

Males

11988

M70-74

11988

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18737

Males

11939

M70-74

11939

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18835

Males

11967

M70-74

11967

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

19160

Males

12108

M70-74

12108

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18150

Males

11595

M70-74

11595

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18172

Males

11447

M70-74

11447

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17768

Males

11149

M70-74

11149

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17833

Males

11082

M70-74

11082

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18639

Males

11317

M70-74

11317

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18037

Males

10995

M70-74

10995

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18643

Males

11233

M70-74

11233

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18510

Males

11077

M70-74

11077

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18582

Males

11114

M70-74

11114

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20729

Males

12156

M70-74

12156

Passing Analysis

Category:
Athletes Passed
1834
Passed By
1586
Net Change
+248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18797
5K → 10K260249+11#18797#18786
10K → 15K203169+34#18786#18752
15K → 20K203198+5#18752#18747
20K → Half2850-22#18747#18769
Half → 25K22589+136#18769#18633
25K → 30K289183+106#18633#18527
30K → 20M13483+51#18527#18476
20M → 21M12964+65#18476#18411
21M → 35K4773-26#18411#18437
35K → 23M12275+47#18437#18390
23M → 24M8082-2#18390#18392
24M → 40K6282-20#18392#18412
40K → 25.2M2329-6#18412#18418
25.2M → Finish29160-131#18418#18549
TOTALS18341586+248
📊

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