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BOSTON MARATHON 2025

Martin Branch-Shaw

Bib: 23713•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:45
Rank: #18631
Start → 5K
25:45 | 8:17/mi
10K· 6.21 mi
51:17
Rank: #18324 (+307)
5K → 10K
25:32 | 8:13/mi
15K· 9.32 mi
1:16:42
Rank: #17951 (+373)
10K → 15K
25:25 | 8:11/mi
20K· 12.43 mi
1:43:22
Rank: #18112 (-161)
15K → 20K
26:40 | 8:35/mi
Half· 13.11 mi
1:48:57
Rank: #18042 (+70)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:10:54
Rank: #18454 (-412)
Half → 25K
21:57 | 9:03/mi
30K· 18.64 mi
2:41:43
Rank: #19203 (-749)
25K → 30K
30:49 | 9:55/mi
20M
2:55:16
Rank: #19364 (-161)
30K → 20M
13:33 | 9:58/mi
21M
3:06:15
Rank: #19531 (-167)
20M → 21M
10:59 | 10:59/mi
35K· 21.75 mi
3:13:12
Rank: #19549 (-18)
21M → 35K
6:57 | 9:17/mi
23M
3:25:08
Rank: #19508 (+41)
35K → 23M
11:56 | 9:32/mi
24M
3:34:58
Rank: #19583 (-75)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
3:43:16
Rank: #19581 (+2)
24M → 40K
8:18 | 9:42/mi
25.2M
3:46:53
Rank: #19581
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:56:18
Rank: #19615 (-34)
25.2M → Finish
9:25 | 9:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:57
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:07:21
Pace9:43 /mi
📊Positive Split: 16.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0725:458:1725:45
8:17
-
10K
6.21 mi11:50:3951:178:1525:32
8:13
-0:04
15K
9.32 mi12:16:041:16:428:1425:25
8:11
-0:02
20K
12.43 mi12:42:441:43:228:1926:40
8:35
+0:24
Half
13.11 mi12:48:191:48:578:195:35
8:11
-0:24
25K
15.53 mi13:10:162:10:548:2621:57
9:03
+0:52
30K
18.64 mi13:41:052:41:438:4130:49
9:55
+0:52
20M
20.00 mi13:54:382:55:168:4613:33
9:58
+0:03
21M
21.00 mi14:05:373:06:158:5210:59
10:59
+1:01
35K
21.75 mi14:12:343:13:128:536:57
9:17
-1:42
23M
23.00 mi14:24:303:25:088:5511:56
9:32
+0:15
24M
24.00 mi14:34:203:34:588:579:50
9:50
+0:18
40K
24.85 mi14:42:383:43:168:598:18
9:42
-0:08
25.2M
25.20 mi14:46:153:46:539:003:37
10:29
+0:47
Finish
26.22 mi14:55:403:56:189:019:25
9:14
-1:15

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

8:11 /mi

Average Pace

9:01 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:57

46% of race

Time at Steady Pace

58:33

25% of race

Time at Slower Pace

1:08:48

29% of race

Average Pace: 9:01 /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 mi11:25:0725:458:1725:45
8:17
#18631
10K
6.21 mi11:50:3951:178:1525:32
8:13
#18324
15K
9.32 mi12:16:041:16:428:1425:25
8:11
#17951
20K
12.43 mi12:42:441:43:228:1926:40
8:35
#18112
Half
13.11 mi12:48:191:48:578:195:35
8:11
#18042
25K
15.53 mi13:10:162:10:548:2621:57
9:03
#18454
30K
18.64 mi13:41:052:41:438:4130:49
9:55
#19203
20M
20.00 mi13:54:382:55:168:4613:33
9:58
#19364
21M
21.00 mi14:05:373:06:158:5210:59
10:59
#19531
35K
21.75 mi14:12:343:13:128:536:57
9:17
#19549
23M
23.00 mi14:24:303:25:088:5511:56
9:32
#19508
24M
24.00 mi14:34:203:34:588:579:50
9:50
#19583
40K
24.85 mi14:42:383:43:168:598:18
9:42
#19581
25.2M
25.20 mi14:46:153:46:539:003:37
10:29
#19581
Finish
26.22 mi14:55:403:56:189:019:25
9:14
#19615
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18631118781187817270(Top 61%)11339(Top 70%)11339(Top 1774%)
10K6.21 mi3.10 mi18324+30711755+12311755+12318008(Top 63%)11662(Top 72%)11662(Top 1825%)
15K9.32 mi3.11 mi17951+37311603+15211603+15217270(Top 61%)11339(Top 70%)11339(Top 1774%)
20K12.43 mi3.11 mi18112-16111656-5311656-5318745(Top 66%)11924(Top 74%)11924(Top 1866%)
Half13.11 mi0.68 mi18042+7011626+3011626+3017166(Top 60%)11267(Top 70%)11267(Top 1763%)
25K15.53 mi2.42 mi18454-41211793-16711793-16720132(Top 71%)12469(Top 77%)12469(Top 1951%)
30K18.64 mi3.11 mi19203-74912072-27912072-27921357(Top 75%)12874(Top 80%)12874(Top 2015%)
20M20.00 mi1.36 mi19364-16112121-4912121-4920821(Top 73%)12503(Top 78%)12503(Top 1957%)
21M21.00 mi1.00 mi19531-16712172-5112172-5121330(Top 75%)12659(Top 79%)12659(Top 1981%)
35K21.75 mi0.75 mi19549-1812159+1312159+1319523(Top 69%)11742(Top 73%)11742(Top 1838%)
23M23.00 mi1.25 mi19508+4112106+5312106+5318830(Top 66%)11372(Top 71%)11372(Top 1780%)
24M24.00 mi1.00 mi19583-7512117-1112117-1120821(Top 73%)12252(Top 76%)12252(Top 1917%)
40K24.85 mi0.85 mi19581+212101+1612101+1619494(Top 69%)11557(Top 72%)11557(Top 1809%)
25.2M25.20 mi0.35 mi1958112083+1812083+1818935(Top 67%)11290(Top 70%)11290(Top 1767%)
Finish26.22 mi1.02 mi19615-3412087-412087-420115(Top 71%)11852(Top 74%)11852(Top 1855%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17270

Males

11339

M65-69

11339

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

18008

Males

11662

M65-69

11662

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17270

Males

11339

M65-69

11339

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18745

Males

11924

M65-69

11924

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17166

Males

11267

M65-69

11267

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20132

Males

12469

M65-69

12469

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21357

Males

12874

M65-69

12874

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20821

Males

12503

M65-69

12503

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21330

Males

12659

M65-69

12659

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19523

Males

11742

M65-69

11742

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18830

Males

11372

M65-69

11372

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20821

Males

12252

M65-69

12252

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19494

Males

11557

M65-69

11557

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18935

Males

11290

M65-69

11290

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20115

Males

11852

M65-69

11852

Passing Analysis

Category:
Athletes Passed
1670
Passed By
2654
Net Change
-984
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18631
5K → 10K449142+307#18631#18324
10K → 15K41441+373#18324#17951
15K → 20K139300-161#17951#18112
20K → Half799+70#18112#18042
Half → 25K67479-412#18042#18454
25K → 30K74823-749#18454#19203
30K → 20M59220-161#19203#19364
20M → 21M56223-167#19364#19531
21M → 35K4664-18#19531#19549
35K → 23M10564+41#19549#19508
23M → 24M45120-75#19508#19583
24M → 40K5856+2#19583#19581
40K → 25.2M36360#19581#19581
25.2M → Finish4377-34#19581#19615
TOTALS16702654-984
📊

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