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BOSTON MARATHON 2025

David Spinner

Bib: 7492•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 28%
Gender (Male)
#0 / 16105
Top 41%
Masters (Masters Men)
#0 / 10463
Top 28%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:29
Rank: #4551
Start → 5K
20:29 | 6:36/mi
10K· 6.21 mi
41:09
Rank: #4686 (-135)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:02:29
Rank: #5294 (-608)
10K → 15K
21:20 | 6:52/mi
20K· 12.43 mi
1:23:16
Rank: #4996 (+298)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:27:53
Rank: #5033 (-37)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:38
Rank: #5125 (-92)
Half → 25K
16:45 | 6:55/mi
30K· 18.64 mi
2:07:43
Rank: #5602 (-477)
25K → 30K
23:05 | 7:26/mi
20M
2:18:56
Rank: #6042 (-440)
30K → 20M
11:13 | 8:15/mi
21M
2:27:54
Rank: #6340 (-298)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:34:02
Rank: #6523 (-183)
21M → 35K
6:08 | 8:12/mi
23M
2:45:14
Rank: #7005 (-482)
35K → 23M
11:12 | 8:57/mi
24M
2:54:01
Rank: #7362 (-357)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:01:44
Rank: #7678 (-316)
24M → 40K
7:43 | 9:02/mi
25.2M
3:04:59
Rank: #7769 (-91)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:13:05
Rank: #7930 (-161)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:53
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:45:12
Pace8:01 /mi
📊Positive Split: 19.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0220:296:3620:29
6:36
-
10K
6.21 mi10:47:4241:096:3720:40
6:39
+0:03
15K
9.32 mi11:09:021:02:296:4221:20
6:52
+0:13
20K
12.43 mi11:29:491:23:166:4220:47
6:41
-0:11
Half
13.11 mi11:34:261:27:536:424:37
6:46
+0:05
25K
15.53 mi11:51:111:44:386:4416:45
6:55
+0:09
30K
18.64 mi12:14:162:07:436:5123:05
7:26
+0:31
20M
20.00 mi12:25:292:18:566:5711:13
8:15
+0:49
21M
21.00 mi12:34:272:27:547:038:58
8:58
+0:43
35K
21.75 mi12:40:352:34:027:056:08
8:12
-0:46
23M
23.00 mi12:51:472:45:147:1111:12
8:57
+0:45
24M
24.00 mi13:00:342:54:017:158:47
8:47
-0:10
40K
24.85 mi13:08:173:01:447:197:43
9:02
+0:15
25.2M
25.20 mi13:11:323:04:597:203:15
9:25
+0:23
Finish
26.22 mi13:19:383:13:057:228:06
7:57
-1:28

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

6:36 /mi

Average Pace

7:22 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:43

66% of race

Time at Steady Pace

25:27

13% of race

Time at Slower Pace

39:55

21% of race

Average Pace: 7:22 /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 mi10:27:0220:296:3620:29
6:36
#4551
10K
6.21 mi10:47:4241:096:3720:40
6:39
#4686
15K
9.32 mi11:09:021:02:296:4221:20
6:52
#5294
20K
12.43 mi11:29:491:23:166:4220:47
6:41
#4996
Half
13.11 mi11:34:261:27:536:424:37
6:46
#5033
25K
15.53 mi11:51:111:44:386:4416:45
6:55
#5125
30K
18.64 mi12:14:162:07:436:5123:05
7:26
#5602
20M
20.00 mi12:25:292:18:566:5711:13
8:15
#6042
21M
21.00 mi12:34:272:27:547:038:58
8:58
#6340
35K
21.75 mi12:40:352:34:027:056:08
8:12
#6523
23M
23.00 mi12:51:472:45:147:1111:12
8:57
#7005
24M
24.00 mi13:00:342:54:017:158:47
8:47
#7362
40K
24.85 mi13:08:173:01:447:197:43
9:02
#7678
25.2M
25.20 mi13:11:323:04:597:203:15
9:25
#7769
Finish
26.22 mi13:19:383:13:057:228:06
7:57
#7930
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4551427742776721(Top 24%)6042(Top 38%)6042(Top 269%)
10K6.21 mi3.10 mi4686-1354392-1154392-1154911(Top 17%)4587(Top 28%)4587(Top 204%)
15K9.32 mi3.11 mi5294-6084911-5194911-5196721(Top 24%)6042(Top 38%)6042(Top 269%)
20K12.43 mi3.11 mi4996+2984652+2594652+2594358(Top 15%)4076(Top 25%)4076(Top 181%)
Half13.11 mi0.68 mi5033-374679-274679-275879(Top 21%)5366(Top 33%)5366(Top 239%)
25K15.53 mi2.42 mi5125-924750-714750-715736(Top 20%)5189(Top 32%)5189(Top 231%)
30K18.64 mi3.11 mi5602-4775124-3745124-3747235(Top 25%)6112(Top 38%)6112(Top 272%)
20M20.00 mi1.36 mi6042-4405453-3295453-32912126(Top 43%)8568(Top 53%)8568(Top 381%)
21M21.00 mi1.00 mi6340-2985676-2235676-22313267(Top 47%)8974(Top 56%)8974(Top 399%)
35K21.75 mi0.75 mi6523-1835793-1175793-11713546(Top 48%)9039(Top 56%)9039(Top 402%)
23M23.00 mi1.25 mi7005-4826103-3106103-31015913(Top 56%)10025(Top 62%)10025(Top 446%)
24M24.00 mi1.00 mi7362-3576299-1966299-19616184(Top 57%)10099(Top 63%)10099(Top 449%)
40K24.85 mi0.85 mi7678-3166468-1696468-16916406(Top 58%)10089(Top 63%)10089(Top 449%)
25.2M25.20 mi0.35 mi7769-916511-436511-4314048(Top 49%)8933(Top 55%)8933(Top 398%)
Finish26.22 mi1.02 mi7930-1616585-746585-7412499(Top 44%)8271(Top 51%)8271(Top 368%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6721

Males

6042

M40-44

6042

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4911

Males

4587

M40-44

4587

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6721

Males

6042

M40-44

6042

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4358

Males

4076

M40-44

4076

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5879

Males

5366

M40-44

5366

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5736

Males

5189

M40-44

5189

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7235

Males

6112

M40-44

6112

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12126

Males

8568

M40-44

8568

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13267

Males

8974

M40-44

8974

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13546

Males

9039

M40-44

9039

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15913

Males

10025

M40-44

10025

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16184

Males

10099

M40-44

10099

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16406

Males

10089

M40-44

10089

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

14048

Males

8933

M40-44

8933

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12499

Males

8271

M40-44

8271

Passing Analysis

Category:
Athletes Passed
765
Passed By
4144
Net Change
-3379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4551
5K → 10K114249-135#4551#4686
10K → 15K22630-608#4686#5294
15K → 20K31517+298#5294#4996
20K → Half1855-37#4996#5033
Half → 25K70162-92#5033#5125
25K → 30K83560-477#5125#5602
30K → 20M7447-440#5602#6042
20M → 21M15313-298#6042#6340
21M → 35K16199-183#6340#6523
35K → 23M24506-482#6523#7005
23M → 24M14371-357#7005#7362
24M → 40K24340-316#7362#7678
40K → 25.2M13104-91#7678#7769
25.2M → Finish30191-161#7769#7930
TOTALS7654144-3379
📊

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