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BOSTON MARATHON 2025

Michael Shaw

Bib: 25942•M

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:02
Rank: #17051
Start → 5K
25:02 | 8:03/mi
10K· 6.21 mi
50:14
Rank: #17149 (-98)
5K → 10K
25:12 | 8:07/mi
15K· 9.32 mi
1:15:13
Rank: #16846 (+303)
10K → 15K
24:59 | 8:02/mi
20K· 12.43 mi
1:40:38
Rank: #16661 (+185)
15K → 20K
25:25 | 8:11/mi
Half· 13.11 mi
1:46:13
Rank: #16688 (-27)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:06:57
Rank: #16788 (-100)
Half → 25K
20:44 | 8:33/mi
30K· 18.64 mi
2:34:57
Rank: #16902 (-114)
25K → 30K
28:00 | 9:01/mi
20M
2:47:06
Rank: #16846 (+56)
30K → 20M
12:09 | 8:56/mi
21M
2:56:27
Rank: #16724 (+122)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
3:03:02
Rank: #16723 (+1)
21M → 35K
6:35 | 8:48/mi
23M
3:14:24
Rank: #16698 (+25)
35K → 23M
11:22 | 9:05/mi
24M
3:23:23
Rank: #16719 (-21)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:30:56
Rank: #16649 (+70)
24M → 40K
7:33 | 8:50/mi
25.2M
3:34:10
Rank: #16610 (+39)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:42:30
Rank: #16495 (+115)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:13
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:56:17
Pace8:52 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:2425:028:0325:02
8:03
-
10K
6.21 mi12:05:3650:148:0525:12
8:07
+0:04
15K
9.32 mi12:30:351:15:138:0424:59
8:02
-0:05
20K
12.43 mi12:56:001:40:388:0625:25
8:11
+0:09
Half
13.11 mi13:01:351:46:138:065:35
8:11
0:00
25K
15.53 mi13:22:192:06:578:1020:44
8:33
+0:22
30K
18.64 mi13:50:192:34:578:1928:00
9:01
+0:28
20M
20.00 mi14:02:282:47:068:2112:09
8:56
-0:05
21M
21.00 mi14:11:492:56:278:249:21
9:21
+0:25
35K
21.75 mi14:18:243:03:028:256:35
8:48
-0:33
23M
23.00 mi14:29:463:14:248:2711:22
9:05
+0:17
24M
24.00 mi14:38:453:23:238:288:59
8:59
-0:06
40K
24.85 mi14:46:183:30:568:297:33
8:50
-0:09
25.2M
25.20 mi14:49:323:34:108:303:14
9:23
+0:33
Finish
26.22 mi14:57:523:42:308:308:20
8:11
-1:12

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

8:02 /mi

Average Pace

8:30 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:25

67% of race

Time at Steady Pace

1:13:05

33% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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 mi11:40:2425:028:0325:02
8:03
#17051
10K
6.21 mi12:05:3650:148:0525:12
8:07
#17149
15K
9.32 mi12:30:351:15:138:0424:59
8:02
#16846
20K
12.43 mi12:56:001:40:388:0625:25
8:11
#16661
Half
13.11 mi13:01:351:46:138:065:35
8:11
#16688
25K
15.53 mi13:22:192:06:578:1020:44
8:33
#16788
30K
18.64 mi13:50:192:34:578:1928:00
9:01
#16902
20M
20.00 mi14:02:282:47:068:2112:09
8:56
#16846
21M
21.00 mi14:11:492:56:278:249:21
9:21
#16724
35K
21.75 mi14:18:243:03:028:256:35
8:48
#16723
23M
23.00 mi14:29:463:14:248:2711:22
9:05
#16698
24M
24.00 mi14:38:453:23:238:288:59
8:59
#16719
40K
24.85 mi14:46:183:30:568:297:33
8:50
#16649
25.2M
25.20 mi14:49:323:34:108:303:14
9:23
#16610
Finish
26.22 mi14:57:523:42:308:308:20
8:11
#16495
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17051112341123416351(Top 58%)10958(Top 68%)10958(Top 194%)
10K6.21 mi3.10 mi17149-9811283-4911283-4917272(Top 61%)11354(Top 70%)11354(Top 201%)
15K9.32 mi3.11 mi16846+30311162+12111162+12116351(Top 58%)10958(Top 68%)10958(Top 194%)
20K12.43 mi3.11 mi16661+18511076+8611076+8616172(Top 57%)10811(Top 67%)10811(Top 192%)
Half13.11 mi0.68 mi16688-2711088-1211088-1217132(Top 60%)11233(Top 70%)11233(Top 199%)
25K15.53 mi2.42 mi16788-10011097-911097-917477(Top 62%)11304(Top 70%)11304(Top 200%)
30K18.64 mi3.11 mi16902-11411098-111098-117751(Top 62%)11256(Top 70%)11256(Top 200%)
20M20.00 mi1.36 mi16846+5611050+4811050+4816461(Top 58%)10563(Top 66%)10563(Top 187%)
21M21.00 mi1.00 mi16724+12210962+8810962+8815386(Top 54%)9958(Top 62%)9958(Top 176%)
35K21.75 mi0.75 mi16723+110948+1410948+1417225(Top 61%)10703(Top 66%)10703(Top 190%)
23M23.00 mi1.25 mi16698+2510899+4910899+4916681(Top 59%)10371(Top 64%)10371(Top 184%)
24M24.00 mi1.00 mi16719-2110882+1710882+1717258(Top 61%)10588(Top 66%)10588(Top 188%)
40K24.85 mi0.85 mi16649+7010820+6210820+6215344(Top 54%)9592(Top 60%)9592(Top 170%)
25.2M25.20 mi0.35 mi16610+3910800+2010800+2013858(Top 49%)8892(Top 55%)8892(Top 158%)
Finish26.22 mi1.02 mi16495+11510725+7510725+7514117(Top 50%)9076(Top 56%)9076(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16351

Males

10958

M18-39

10958

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17272

Males

11354

M18-39

11354

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16351

Males

10958

M18-39

10958

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16172

Males

10811

M18-39

10811

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17132

Males

11233

M18-39

11233

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17477

Males

11304

M18-39

11304

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17751

Males

11256

M18-39

11256

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16461

Males

10563

M18-39

10563

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15386

Males

9958

M18-39

9958

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17225

Males

10703

M18-39

10703

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16681

Males

10371

M18-39

10371

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17258

Males

10588

M18-39

10588

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15344

Males

9592

M18-39

9592

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13858

Males

8892

M18-39

8892

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14117

Males

9076

M18-39

9076

Passing Analysis

Category:
Athletes Passed
2113
Passed By
1557
Net Change
+556
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17051
5K → 10K257355-98#17051#17149
10K → 15K37875+303#17149#16846
15K → 20K295110+185#16846#16661
20K → Half2855-27#16661#16688
Half → 25K127227-100#16688#16788
25K → 30K183297-114#16788#16902
30K → 20M12165+56#16902#16846
20M → 21M17149+122#16846#16724
21M → 35K6261+1#16724#16723
35K → 23M12499+25#16723#16698
23M → 24M6990-21#16698#16719
24M → 40K11242+70#16719#16649
40K → 25.2M5112+39#16649#16610
25.2M → Finish13520+115#16610#16495
TOTALS21131557+556
📊

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