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BOSTON MARATHON 2025

Ron Looker

Bib: 8646•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M50-54)
#0 / 1996
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:34
Rank: #7371
Start → 5K
21:34 | 6:56/mi
10K· 6.21 mi
42:59
Rank: #7279 (+92)
5K → 10K
21:25 | 6:54/mi
15K· 9.32 mi
1:04:25
Rank: #7169 (+110)
10K → 15K
21:26 | 6:54/mi
20K· 12.43 mi
1:26:13
Rank: #7113 (+56)
15K → 20K
21:48 | 7:01/mi
Half· 13.11 mi
1:30:58
Rank: #7117 (-4)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:48:37
Rank: #7210 (-93)
Half → 25K
17:39 | 7:17/mi
30K· 18.64 mi
2:13:30
Rank: #7760 (-550)
25K → 30K
24:53 | 8:01/mi
20M
2:24:40
Rank: #8007 (-247)
30K → 20M
11:10 | 8:13/mi
21M
2:34:14
Rank: #8495 (-488)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
2:39:50
Rank: #8464 (+31)
21M → 35K
5:36 | 7:29/mi
23M
2:50:26
Rank: #8741 (-277)
35K → 23M
10:36 | 8:28/mi
24M
2:58:07
Rank: #8711 (+30)
23M → 24M
7:41 | 7:41/mi
40K· 24.85 mi
3:05:26
Rank: #8882 (-171)
24M → 40K
7:19 | 8:33/mi
25.2M
3:08:44
Rank: #9004 (-122)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:16:29
Rank: #9014 (-10)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:58
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4721:346:5621:34
6:56
-
10K
6.21 mi11:08:1242:596:5521:25
6:54
-0:02
15K
9.32 mi11:29:381:04:256:5521:26
6:54
0:00
20K
12.43 mi11:51:261:26:136:5621:48
7:01
+0:07
Half
13.11 mi11:56:111:30:586:564:45
6:58
-0:03
25K
15.53 mi12:13:501:48:377:0017:39
7:17
+0:19
30K
18.64 mi12:38:432:13:307:1024:53
8:01
+0:44
20M
20.00 mi12:49:532:24:407:1411:10
8:13
+0:12
21M
21.00 mi12:59:272:34:147:219:34
9:34
+1:21
35K
21.75 mi13:05:032:39:507:215:36
7:29
-2:05
23M
23.00 mi13:15:392:50:267:2510:36
8:28
+0:59
24M
24.00 mi13:23:202:58:077:257:41
7:41
-0:47
40K
24.85 mi13:30:393:05:267:287:19
8:33
+0:52
25.2M
25.20 mi13:33:573:08:447:293:18
9:34
+1:01
Finish
26.22 mi13:41:423:16:297:307:45
7:36
-1:58

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

6:54 /mi

Average Pace

7:30 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:58

46% of race

Time at Steady Pace

1:03:34

32% of race

Time at Slower Pace

41:57

21% of race

Average Pace: 7:30 /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 mi10:46:4721:346:5621:34
6:56
#7371
10K
6.21 mi11:08:1242:596:5521:25
6:54
#7279
15K
9.32 mi11:29:381:04:256:5521:26
6:54
#7169
20K
12.43 mi11:51:261:26:136:5621:48
7:01
#7113
Half
13.11 mi11:56:111:30:586:564:45
6:58
#7117
25K
15.53 mi12:13:501:48:377:0017:39
7:17
#7210
30K
18.64 mi12:38:432:13:307:1024:53
8:01
#7760
20M
20.00 mi12:49:532:24:407:1411:10
8:13
#8007
21M
21.00 mi12:59:272:34:147:219:34
9:34
#8495
35K
21.75 mi13:05:032:39:507:215:36
7:29
#8464
23M
23.00 mi13:15:392:50:267:2510:36
8:28
#8741
24M
24.00 mi13:23:202:58:077:257:41
7:41
#8711
40K
24.85 mi13:30:393:05:267:287:19
8:33
#8882
25.2M
25.20 mi13:33:573:08:447:293:18
9:34
#9004
Finish
26.22 mi13:41:423:16:297:307:45
7:36
#9014
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7371657665766951(Top 24%)6215(Top 39%)6215(Top 311%)
10K6.21 mi3.10 mi7279+926498+786498+787191(Top 25%)6428(Top 40%)6428(Top 322%)
15K9.32 mi3.11 mi7169+1106416+826416+826951(Top 24%)6215(Top 39%)6215(Top 311%)
20K12.43 mi3.11 mi7113+566355+616355+616979(Top 25%)6194(Top 38%)6194(Top 310%)
Half13.11 mi0.68 mi7117-46356-16356-17304(Top 26%)6446(Top 40%)6446(Top 323%)
25K15.53 mi2.42 mi7210-936406-506406-508205(Top 29%)6887(Top 43%)6887(Top 345%)
30K18.64 mi3.11 mi7760-5506729-3236729-32311428(Top 40%)8402(Top 52%)8402(Top 421%)
20M20.00 mi1.36 mi8007-2476838-1096838-10911872(Top 42%)8455(Top 52%)8455(Top 424%)
21M21.00 mi1.00 mi8495-4887108-2707108-27016347(Top 58%)10397(Top 65%)10397(Top 521%)
35K21.75 mi0.75 mi8464+317064+447064+448498(Top 30%)6590(Top 41%)6590(Top 330%)
23M23.00 mi1.25 mi8741-2777190-1267190-12613067(Top 46%)8718(Top 54%)8718(Top 437%)
24M24.00 mi1.00 mi8711+307136+547136+548999(Top 32%)6650(Top 41%)6650(Top 333%)
40K24.85 mi0.85 mi8882-1717196-607196-6013743(Top 48%)8868(Top 55%)8868(Top 444%)
25.2M25.20 mi0.35 mi9004-1227255-597255-5914847(Top 52%)9305(Top 58%)9305(Top 466%)
Finish26.22 mi1.02 mi9014-107216+397216+399937(Top 35%)6946(Top 43%)6946(Top 348%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6951

Males

6215

M50-54

6215

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7191

Males

6428

M50-54

6428

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6951

Males

6215

M50-54

6215

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6979

Males

6194

M50-54

6194

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7304

Males

6446

M50-54

6446

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8205

Males

6887

M50-54

6887

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11428

Males

8402

M50-54

8402

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11872

Males

8455

M50-54

8455

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16347

Males

10397

M50-54

10397

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8498

Males

6590

M50-54

6590

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13067

Males

8718

M50-54

8718

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8999

Males

6650

M50-54

6650

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13743

Males

8868

M50-54

8868

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14847

Males

9305

M50-54

9305

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9937

Males

6946

M50-54

6946

Passing Analysis

Category:
Athletes Passed
1196
Passed By
2839
Net Change
-1643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7371
5K → 10K252160+92#7371#7279
10K → 15K19686+110#7279#7169
15K → 20K171115+56#7169#7113
20K → Half1519-4#7113#7117
Half → 25K92185-93#7117#7210
25K → 30K66616-550#7210#7760
30K → 20M39286-247#7760#8007
20M → 21M22510-488#8007#8495
21M → 35K7443+31#8495#8464
35K → 23M56333-277#8464#8741
23M → 24M8757+30#8741#8711
24M → 40K42213-171#8711#8882
40K → 25.2M10132-122#8882#9004
25.2M → Finish7484-10#9004#9014
TOTALS11962839-1643
📊

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