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BOSTON MARATHON 2025

Dave Shirts

Bib: 10591•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 46%
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:32
Rank: #7299
Start → 5K
21:32 | 6:56/mi
10K· 6.21 mi
43:10
Rank: #7493 (-194)
5K → 10K
21:38 | 6:58/mi
15K· 9.32 mi
1:05:02
Rank: #7603 (-110)
10K → 15K
21:52 | 7:02/mi
20K· 12.43 mi
1:27:14
Rank: #7616 (-13)
15K → 20K
22:12 | 7:09/mi
Half· 13.11 mi
1:32:07
Rank: #7663 (-47)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:50:14
Rank: #7898 (-235)
Half → 25K
18:07 | 7:28/mi
30K· 18.64 mi
2:15:40
Rank: #8654 (-756)
25K → 30K
25:26 | 8:11/mi
20M
2:27:45
Rank: #9284 (-630)
30K → 20M
12:05 | 8:54/mi
21M
2:38:16
Rank: #10135 (-851)
20M → 21M
10:31 | 10:31/mi
35K· 21.75 mi
2:45:05
Rank: #10529 (-394)
21M → 35K
6:49 | 9:07/mi
23M
2:56:44
Rank: #11011 (-482)
35K → 23M
11:39 | 9:18/mi
24M
3:05:40
Rank: #11294 (-283)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:13:50
Rank: #11675 (-381)
24M → 40K
8:10 | 9:33/mi
25.2M
3:17:37
Rank: #11900 (-225)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:27:23
Rank: #12396 (-496)
25.2M → Finish
9:46 | 9:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:07
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:55:16
Pace8:48 /mi
📊Positive Split: 25.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4621:326:5621:32
6:56
-
10K
6.21 mi11:09:2443:106:5721:38
6:58
+0:02
15K
9.32 mi11:31:161:05:026:5921:52
7:02
+0:04
20K
12.43 mi11:53:281:27:147:0122:12
7:09
+0:07
Half
13.11 mi11:58:211:32:077:024:53
7:09
0:00
25K
15.53 mi12:16:281:50:147:0618:07
7:28
+0:19
30K
18.64 mi12:41:542:15:407:1725:26
8:11
+0:43
20M
20.00 mi12:53:592:27:457:2312:05
8:54
+0:43
21M
21.00 mi13:04:302:38:167:3210:31
10:31
+1:37
35K
21.75 mi13:11:192:45:057:356:49
9:07
-1:24
23M
23.00 mi13:22:582:56:447:4111:39
9:18
+0:11
24M
24.00 mi13:31:543:05:407:448:56
8:56
-0:22
40K
24.85 mi13:40:043:13:507:488:10
9:33
+0:37
25.2M
25.20 mi13:43:513:17:377:513:47
10:58
+1:25
Finish
26.22 mi13:53:373:27:237:559:46
9:35
-1:23

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

6:56 /mi

Average Pace

7:55 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:40

65% of race

Time at Steady Pace

47:39

23% of race

Time at Slower Pace

24:04

12% of race

Average Pace: 7:55 /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 mi10:47:4621:326:5621:32
6:56
#7299
10K
6.21 mi11:09:2443:106:5721:38
6:58
#7493
15K
9.32 mi11:31:161:05:026:5921:52
7:02
#7603
20K
12.43 mi11:53:281:27:147:0122:12
7:09
#7616
Half
13.11 mi11:58:211:32:077:024:53
7:09
#7663
25K
15.53 mi12:16:281:50:147:0618:07
7:28
#7898
30K
18.64 mi12:41:542:15:407:1725:26
8:11
#8654
20M
20.00 mi12:53:592:27:457:2312:05
8:54
#9284
21M
21.00 mi13:04:302:38:167:3210:31
10:31
#10135
35K
21.75 mi13:11:192:45:057:356:49
9:07
#10529
23M
23.00 mi13:22:582:56:447:4111:39
9:18
#11011
24M
24.00 mi13:31:543:05:407:448:56
8:56
#11294
40K
24.85 mi13:40:043:13:507:488:10
9:33
#11675
25.2M
25.20 mi13:43:513:17:377:513:47
10:58
#11900
Finish
26.22 mi13:53:373:27:237:559:46
9:35
#12396
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7299652065207882(Top 28%)6874(Top 43%)6874(Top 344%)
10K6.21 mi3.10 mi7493-1946651-1316651-1317681(Top 27%)6771(Top 42%)6771(Top 339%)
15K9.32 mi3.11 mi7603-1106713-626713-627882(Top 28%)6874(Top 43%)6874(Top 344%)
20K12.43 mi3.11 mi7616-136707+66707+67790(Top 27%)6744(Top 42%)6744(Top 338%)
Half13.11 mi0.68 mi7663-476735-286735-288746(Top 31%)7358(Top 46%)7358(Top 369%)
25K15.53 mi2.42 mi7898-2356871-1366871-1369728(Top 34%)7722(Top 48%)7722(Top 387%)
30K18.64 mi3.11 mi8654-7567276-4057276-40512711(Top 45%)9007(Top 56%)9007(Top 451%)
20M20.00 mi1.36 mi9284-6307595-3197595-31916161(Top 57%)10421(Top 65%)10421(Top 522%)
21M21.00 mi1.00 mi10135-8518003-4088003-40820043(Top 71%)12052(Top 75%)12052(Top 604%)
35K21.75 mi0.75 mi10529-3948183-1808183-18018725(Top 66%)11351(Top 70%)11351(Top 569%)
23M23.00 mi1.25 mi11011-4828361-1788361-17817768(Top 63%)10846(Top 67%)10846(Top 543%)
24M24.00 mi1.00 mi11294-2838450-898450-8916984(Top 60%)10441(Top 65%)10441(Top 523%)
40K24.85 mi0.85 mi11675-3818612-1628612-16218882(Top 66%)11257(Top 70%)11257(Top 564%)
25.2M25.20 mi0.35 mi11900-2258698-868698-8620473(Top 72%)12006(Top 75%)12006(Top 602%)
Finish26.22 mi1.02 mi12396-4968914-2168914-21621463(Top 76%)12510(Top 78%)12510(Top 627%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7882

Males

6874

M50-54

6874

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7681

Males

6771

M50-54

6771

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7882

Males

6874

M50-54

6874

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7790

Males

6744

M50-54

6744

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8746

Males

7358

M50-54

7358

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9728

Males

7722

M50-54

7722

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12711

Males

9007

M50-54

9007

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16161

Males

10421

M50-54

10421

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20043

Males

12052

M50-54

12052

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18725

Males

11351

M50-54

11351

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17768

Males

10846

M50-54

10846

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16984

Males

10441

M50-54

10441

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18882

Males

11257

M50-54

11257

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20473

Males

12006

M50-54

12006

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21463

Males

12510

M50-54

12510

Passing Analysis

Category:
Athletes Passed
606
Passed By
5701
Net Change
-5097
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7299
5K → 10K125319-194#7299#7493
10K → 15K103213-110#7493#7603
15K → 20K125138-13#7603#7616
20K → Half1663-47#7616#7663
Half → 25K56291-235#7663#7898
25K → 30K61817-756#7898#8654
30K → 20M21651-630#8654#9284
20M → 21M7856-851#9284#10135
21M → 35K7401-394#10135#10529
35K → 23M27509-482#10529#11011
23M → 24M34317-283#11011#11294
24M → 40K14395-381#11294#11675
40K → 25.2M3228-225#11675#11900
25.2M → Finish7503-496#11900#12396
TOTALS6065701-5097
📊

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