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BOSTON MARATHON 2025

Denis Nolan

Bib: 22852•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:00
Rank: #19121
Start → 5K
26:00 | 8:22/mi
10K· 6.21 mi
52:00
Rank: #19046 (+75)
5K → 10K
26:00 | 8:22/mi
15K· 9.32 mi
1:17:54
Rank: #18775 (+271)
10K → 15K
25:54 | 8:20/mi
20K· 12.43 mi
1:44:49
Rank: #18858 (-83)
15K → 20K
26:55 | 8:40/mi
Half· 13.11 mi
1:50:39
Rank: #18886 (-28)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:13:04
Rank: #19300 (-414)
Half → 25K
22:25 | 9:15/mi
30K· 18.64 mi
2:41:25
Rank: #19095 (+205)
25K → 30K
28:21 | 9:07/mi
20M
2:54:22
Rank: #19114 (-19)
30K → 20M
12:57 | 9:32/mi
21M
3:04:32
Rank: #19106 (+8)
20M → 21M
10:10 | 10:10/mi
35K· 21.75 mi
3:10:35
Rank: #18894 (+212)
21M → 35K
6:03 | 8:05/mi
23M
3:21:49
Rank: #18722 (+172)
35K → 23M
11:14 | 8:58/mi
24M
3:30:37
Rank: #18614 (+108)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:38:36
Rank: #18584 (+30)
24M → 40K
7:59 | 9:20/mi
25.2M
3:41:58
Rank: #18534 (+50)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:50:35
Rank: #18447 (+87)
25.2M → Finish
8:37 | 8:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:39
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:59:56
Pace9:09 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:5726:008:2226:00
8:22
-
10K
6.21 mi11:51:5752:008:2226:00
8:22
0:00
15K
9.32 mi12:17:511:17:548:2125:54
8:20
-0:02
20K
12.43 mi12:44:461:44:498:2626:55
8:40
+0:20
Half
13.11 mi12:50:361:50:398:265:50
8:33
-0:07
25K
15.53 mi13:13:012:13:048:3422:25
9:15
+0:42
30K
18.64 mi13:41:222:41:258:4028:21
9:07
-0:08
20M
20.00 mi13:54:192:54:228:4312:57
9:32
+0:25
21M
21.00 mi14:04:293:04:328:4710:10
10:10
+0:38
35K
21.75 mi14:10:323:10:358:466:03
8:05
-2:05
23M
23.00 mi14:21:463:21:498:4611:14
8:58
+0:53
24M
24.00 mi14:30:343:30:378:478:48
8:48
-0:10
40K
24.85 mi14:38:333:38:368:487:59
9:20
+0:32
25.2M
25.20 mi14:41:553:41:588:483:22
9:46
+0:26
Finish
26.22 mi14:50:323:50:358:488:37
8:27
-1:19

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

8:05 /mi

Average Pace

8:48 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:34

40% of race

Time at Steady Pace

52:47

23% of race

Time at Slower Pace

1:25:14

37% of race

Average Pace: 8:48 /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 mi11:25:5726:008:2226:00
8:22
#19121
10K
6.21 mi11:51:5752:008:2226:00
8:22
#19046
15K
9.32 mi12:17:511:17:548:2125:54
8:20
#18775
20K
12.43 mi12:44:461:44:498:2626:55
8:40
#18858
Half
13.11 mi12:50:361:50:398:265:50
8:33
#18886
25K
15.53 mi13:13:012:13:048:3422:25
9:15
#19300
30K
18.64 mi13:41:222:41:258:4028:21
9:07
#19095
20M
20.00 mi13:54:192:54:228:4312:57
9:32
#19114
21M
21.00 mi14:04:293:04:328:4710:10
10:10
#19106
35K
21.75 mi14:10:323:10:358:466:03
8:05
#18894
23M
23.00 mi14:21:463:21:498:4611:14
8:58
#18722
24M
24.00 mi14:30:343:30:378:478:48
8:48
#18614
40K
24.85 mi14:38:333:38:368:487:59
9:20
#18584
25.2M
25.20 mi14:41:553:41:588:483:22
9:46
#18534
Finish
26.22 mi14:50:323:50:358:488:37
8:27
#18447
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19121120921209218291(Top 64%)11751(Top 73%)11751(Top 933%)
10K6.21 mi3.10 mi19046+7512059+3312059+3318986(Top 67%)12057(Top 75%)12057(Top 958%)
15K9.32 mi3.11 mi18775+27111947+11211947+11218291(Top 64%)11751(Top 73%)11751(Top 933%)
20K12.43 mi3.11 mi18858-8311979-3211979-3219210(Top 68%)12127(Top 75%)12127(Top 963%)
Half13.11 mi0.68 mi18886-2811994-1511994-1519477(Top 69%)12241(Top 76%)12241(Top 972%)
25K15.53 mi2.42 mi19300-41412158-16412158-16420949(Top 74%)12821(Top 80%)12821(Top 1018%)
30K18.64 mi3.11 mi19095+20512026+13212026+13218282(Top 64%)11499(Top 71%)11499(Top 913%)
20M20.00 mi1.36 mi19114-1912016+1012016+1019292(Top 68%)11819(Top 73%)11819(Top 939%)
21M21.00 mi1.00 mi19106+811994+2211994+2218908(Top 67%)11568(Top 72%)11568(Top 919%)
35K21.75 mi0.75 mi18894+21211874+12011874+12012831(Top 45%)8743(Top 54%)8743(Top 694%)
23M23.00 mi1.25 mi18722+17211776+9811776+9816101(Top 57%)10119(Top 63%)10119(Top 804%)
24M24.00 mi1.00 mi18614+10811706+7011706+7016316(Top 57%)10174(Top 63%)10174(Top 808%)
40K24.85 mi0.85 mi18584+3011665+4111665+4118005(Top 63%)10831(Top 67%)10831(Top 860%)
25.2M25.20 mi0.35 mi18534+5011628+3711628+3715893(Top 56%)9830(Top 61%)9830(Top 781%)
Finish26.22 mi1.02 mi18447+8711569+5911569+5915929(Top 56%)9911(Top 62%)9911(Top 787%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18291

Males

11751

M60-64

11751

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

18986

Males

12057

M60-64

12057

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18291

Males

11751

M60-64

11751

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19210

Males

12127

M60-64

12127

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

19477

Males

12241

M60-64

12241

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

20949

Males

12821

M60-64

12821

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18282

Males

11499

M60-64

11499

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19292

Males

11819

M60-64

11819

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

18908

Males

11568

M60-64

11568

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12831

Males

8743

M60-64

8743

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16101

Males

10119

M60-64

10119

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16316

Males

10174

M60-64

10174

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

18005

Males

10831

M60-64

10831

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15893

Males

9830

M60-64

9830

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15929

Males

9911

M60-64

9911

Passing Analysis

Category:
Athletes Passed
2231
Passed By
1557
Net Change
+674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19121
5K → 10K300225+75#19121#19046
10K → 15K34170+271#19046#18775
15K → 20K178261-83#18775#18858
20K → Half2452-28#18858#18886
Half → 25K74488-414#18886#19300
25K → 30K322117+205#19300#19095
30K → 20M99118-19#19095#19114
20M → 21M9385+8#19114#19106
21M → 35K2120+212#19106#18894
35K → 23M19321+172#18894#18722
23M → 24M12214+108#18722#18614
24M → 40K9868+30#18614#18584
40K → 25.2M6414+50#18584#18534
25.2M → Finish11124+87#18534#18447
TOTALS22311557+674
📊

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