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BOSTON MARATHON 2025

Paul Sinderson

Bib: 13330•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M50-54)
#0 / 1996
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:02
Rank: #11441
Start → 5K
23:02 | 7:25/mi
10K· 6.21 mi
45:25
Rank: #10407 (+1034)
5K → 10K
22:23 | 7:12/mi
15K· 9.32 mi
1:07:38
Rank: #9806 (+601)
10K → 15K
22:13 | 7:09/mi
20K· 12.43 mi
1:29:18
Rank: #8845 (+961)
15K → 20K
21:40 | 6:58/mi
Half· 13.11 mi
1:33:59
Rank: #8694 (+151)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:50:54
Rank: #8203 (+491)
Half → 25K
16:55 | 6:59/mi
30K· 18.64 mi
2:13:02
Rank: #7584 (+619)
25K → 30K
22:08 | 7:07/mi
20M
2:22:44
Rank: #7310 (+274)
30K → 20M
9:42 | 7:08/mi
21M
2:30:06
Rank: #7040 (+270)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:35:07
Rank: #6850 (+190)
21M → 35K
5:01 | 6:42/mi
23M
2:43:31
Rank: #6468 (+382)
35K → 23M
8:24 | 6:43/mi
24M
2:50:14
Rank: #6269 (+199)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:56:09
Rank: #6099 (+170)
24M → 40K
5:55 | 6:55/mi
25.2M
2:58:40
Rank: #6013 (+86)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
3:05:16
Rank: #5805 (+208)
25.2M → Finish
6:36 | 6:29/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:33:59
Pace7:10 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:31:17
Pace6:58 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5523:027:2523:02
7:25
-
10K
6.21 mi11:14:1845:257:1922:23
7:12
-0:13
15K
9.32 mi11:36:311:07:387:1522:13
7:09
-0:03
20K
12.43 mi11:58:111:29:187:1121:40
6:58
-0:11
Half
13.11 mi12:02:521:33:597:104:41
6:52
-0:06
25K
15.53 mi12:19:471:50:547:0816:55
6:59
+0:07
30K
18.64 mi12:41:552:13:027:0822:08
7:07
+0:08
20M
20.00 mi12:51:372:22:447:089:42
7:08
+0:01
21M
21.00 mi12:58:592:30:067:097:22
7:22
+0:14
35K
21.75 mi13:04:002:35:077:085:01
6:42
-0:40
23M
23.00 mi13:12:242:43:317:078:24
6:43
+0:01
24M
24.00 mi13:19:072:50:147:066:43
6:43
0:00
40K
24.85 mi13:25:022:56:097:055:55
6:55
+0:12
25.2M
25.20 mi13:27:332:58:407:052:31
7:18
+0:23
Finish
26.22 mi13:34:093:05:167:046:36
6:29
-0:49

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

6:29 /mi

Average Pace

7:04 /mi

Slowest Pace

7:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:03

53% of race

Time at Steady Pace

1:27:13

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:04 /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 mi10:51:5523:027:2523:02
7:25
#11441
10K
6.21 mi11:14:1845:257:1922:23
7:12
#10407
15K
9.32 mi11:36:311:07:387:1522:13
7:09
#9806
20K
12.43 mi11:58:111:29:187:1121:40
6:58
#8845
Half
13.11 mi12:02:521:33:597:104:41
6:52
#8694
25K
15.53 mi12:19:471:50:547:0816:55
6:59
#8203
30K
18.64 mi12:41:552:13:027:0822:08
7:07
#7584
20M
20.00 mi12:51:372:22:447:089:42
7:08
#7310
21M
21.00 mi12:58:592:30:067:097:22
7:22
#7040
35K
21.75 mi13:04:002:35:077:085:01
6:42
#6850
23M
23.00 mi13:12:242:43:317:078:24
6:43
#6468
24M
24.00 mi13:19:072:50:147:066:43
6:43
#6269
40K
24.85 mi13:25:022:56:097:055:55
6:55
#6099
25.2M
25.20 mi13:27:332:58:407:052:31
7:18
#6013
Finish
26.22 mi13:34:093:05:167:046:36
6:29
#5805
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11441890489048689(Top 31%)7360(Top 46%)7360(Top 369%)
10K6.21 mi3.10 mi10407+10348369+5358369+5359498(Top 33%)7870(Top 49%)7870(Top 394%)
15K9.32 mi3.11 mi9806+6018030+3398030+3398689(Top 31%)7360(Top 46%)7360(Top 369%)
20K12.43 mi3.11 mi8845+9617469+5617469+5616709(Top 24%)5984(Top 37%)5984(Top 300%)
Half13.11 mi0.68 mi8694+1517372+977372+976588(Top 23%)5884(Top 37%)5884(Top 295%)
25K15.53 mi2.42 mi8203+4917051+3217051+3216156(Top 22%)5506(Top 34%)5506(Top 276%)
30K18.64 mi3.11 mi7584+6196617+4346617+4345442(Top 19%)4889(Top 30%)4889(Top 245%)
20M20.00 mi1.36 mi7310+2746396+2216396+2214866(Top 17%)4381(Top 27%)4381(Top 219%)
21M21.00 mi1.00 mi7040+2706180+2166180+2163944(Top 14%)3579(Top 22%)3579(Top 179%)
35K21.75 mi0.75 mi6850+1906031+1496031+1493537(Top 12%)3210(Top 20%)3210(Top 161%)
23M23.00 mi1.25 mi6468+3825730+3015730+3012297(Top 8%)2140(Top 13%)2140(Top 107%)
24M24.00 mi1.00 mi6269+1995563+1675563+1673068(Top 11%)2781(Top 17%)2781(Top 139%)
40K24.85 mi0.85 mi6099+1705422+1415422+1413458(Top 12%)3077(Top 19%)3077(Top 154%)
25.2M25.20 mi0.35 mi6013+865347+755347+752525(Top 9%)2259(Top 14%)2259(Top 113%)
Finish26.22 mi1.02 mi5805+2085172+1755172+1752699(Top 10%)2429(Top 15%)2429(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8689

Males

7360

M50-54

7360

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9498

Males

7870

M50-54

7870

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8689

Males

7360

M50-54

7360

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6709

Males

5984

M50-54

5984

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6588

Males

5884

M50-54

5884

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6156

Males

5506

M50-54

5506

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5442

Males

4889

M50-54

4889

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4866

Males

4381

M50-54

4381

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3944

Males

3579

M50-54

3579

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3537

Males

3210

M50-54

3210

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2297

Males

2140

M50-54

2140

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3068

Males

2781

M50-54

2781

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3458

Males

3077

M50-54

3077

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2525

Males

2259

M50-54

2259

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2699

Males

2429

M50-54

2429

Passing Analysis

Category:
Athletes Passed
5690*
Passed By
54
Net Change
+5636
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11441
5K → 10K105925+1034#11441#10407
10K → 15K613*12+601#10407#9806
15K → 20K9610+961#9806#8845
20K → Half1510+151#8845#8694
Half → 25K4943+491#8694#8203
25K → 30K6212+619#8203#7584
30K → 20M2762+274#7584#7310
20M → 21M2711+270#7310#7040
21M → 35K1922+190#7040#6850
35K → 23M3820+382#6850#6468
23M → 24M2001+199#6468#6269
24M → 40K1733+170#6269#6099
40K → 25.2M882+86#6099#6013
25.2M → Finish2091+208#6013#5805
TOTALS5690*54+5636

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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