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BOSTON MARATHON 2025

Robert Machlus

Bib: 24187•M

DE

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
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:09/mi
28:27
↑ 97↓ 3451.5%
10K· 6.21 mi
9:21/mi
57:30
↑ 79↓ 1380.4%
15K· 9.32 mi
10:31/mi
1:30:10
↑ 67↓ 78
20K· 12.43 mi
10:41/mi
2:03:22
↑ 106↓ 860.1%
Half· 13.11 mi
10:07/mi
2:10:16
↑ 19↓ 370.5%
25K· 15.53 mi
10:36/mi
2:35:58
↑ 66↓ 880.2%
30K· 18.64 mi
11:24/mi
3:11:23
↑ 181↓ 1480.2%
20M
10:53/mi
3:26:11
↑ 64↓ 500.2%
21M
12:38/mi
3:38:49
↑ 106↓ 241.6%
35K· 21.75 mi
10:06/mi
3:46:22
↑ 17↓ 861.7%
23M
11:40/mi
4:00:58
↑ 23↓ 630.6%
24M
10:24/mi
4:11:22
↓ 821.3%
40K· 24.85 mi
10:36/mi
4:20:26
↓ 200.3%
25.2M
13:26/mi
4:25:04
↑ 13↓ 160.2%
Finish· 26.22 mi
10:09/mi
4:35:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:16
Pace9:56 /mi
2nd Half
Distance13.11 mi
Time2:25:09
Pace11:04 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2528:279:0928:27
9:09
-
10K
6.21 mi11:57:2857:309:1529:03
9:21
+0:12
15K
9.32 mi12:30:081:30:109:4032:40
10:31
+1:10
20K
12.43 mi13:03:202:03:229:5633:12
10:41
+0:10
Half
13.11 mi13:10:142:10:169:566:54
10:07
-0:34
25K
15.53 mi13:35:562:35:5810:0225:42
10:36
+0:29
30K
18.64 mi14:11:213:11:2310:1635:25
11:24
+0:48
20M
20.00 mi14:26:093:26:1110:1914:48
10:53
-0:31
21M
21.00 mi14:38:473:38:4910:2512:38
12:38
+1:45
35K
21.75 mi14:46:203:46:2210:257:33
10:06
-2:32
23M
23.00 mi15:00:564:00:5810:2914:36
11:40
+1:34
24M
24.00 mi15:11:204:11:2210:2810:24
10:24
-1:16
40K
24.85 mi15:20:244:20:2610:299:04
10:36
+0:12
25.2M
25.20 mi15:25:024:25:0410:314:38
13:26
+2:50
Finish
26.22 mi15:35:234:35:2510:3110:21
10:09
-3:17

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

9:09 /mi

Average Pace

10:31 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:30

21% of race

Time at Steady Pace

2:30:38

55% of race

Time at Slower Pace

1:07:17

24% of race

Average Pace: 10:30 /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 mi11:28:2528:279:0928:27
9:09
#23067
10K
6.21 mi11:57:2857:309:1529:03
9:21
#23390
15K
9.32 mi12:30:081:30:109:4032:40
10:31
#24510
20K
12.43 mi13:03:202:03:229:5633:12
10:41
#24822
Half
13.11 mi13:10:142:10:169:566:54
10:07
#24833
25K
15.53 mi13:35:562:35:5810:0225:42
10:36
#24802
30K
18.64 mi14:11:213:11:2310:1635:25
11:24
#24809
20M
20.00 mi14:26:093:26:1110:1914:48
10:53
#24704
21M
21.00 mi14:38:473:38:4910:2512:38
12:38
#24710
35K
21.75 mi14:46:203:46:2210:257:33
10:06
#24643
23M
23.00 mi15:00:564:00:5810:2914:36
11:40
#24651
24M
24.00 mi15:11:204:11:2210:2810:24
10:24
#24573
40K
24.85 mi15:20:244:20:2610:299:04
10:36
#24499
25.2M
25.20 mi15:25:024:25:0410:314:38
13:26
#24520
Finish
26.22 mi15:35:234:35:2510:3110:21
10:09
#24489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi23067138001380025968(Top 91%)15129(Top 94%)15129(Top 2368%)
10K6.21 mi3.10 mi23390-32313968-16813968-16823683(Top 83%)14111(Top 88%)14111(Top 2208%)
15K9.32 mi3.11 mi24510-112014486-51814486-51825968(Top 91%)15129(Top 94%)15129(Top 2368%)
20K12.43 mi3.11 mi24822-31214625-13914625-13925511(Top 90%)14905(Top 93%)14905(Top 2333%)
Half13.11 mi0.68 mi24833-1114627-214627-225053(Top 88%)14693(Top 91%)14693(Top 2299%)
25K15.53 mi2.42 mi24802+3114590+3714590+3724546(Top 86%)14441(Top 90%)14441(Top 2260%)
30K18.64 mi3.11 mi24809-714569+2114569+2124698(Top 87%)14398(Top 89%)14398(Top 2253%)
20M20.00 mi1.36 mi24704+10514511+5814511+5823366(Top 82%)13704(Top 85%)13704(Top 2145%)
21M21.00 mi1.00 mi24710-614505+614505+624575(Top 87%)14175(Top 88%)14175(Top 2218%)
35K21.75 mi0.75 mi24643+6714465+4014465+4022156(Top 78%)12993(Top 81%)12993(Top 2033%)
23M23.00 mi1.25 mi24651-814445+2014445+2024528(Top 86%)14106(Top 88%)14106(Top 2208%)
24M24.00 mi1.00 mi24573+7814397+4814397+4822533(Top 79%)13075(Top 81%)13075(Top 2046%)
40K24.85 mi0.85 mi24499+7414354+4314354+4322198(Top 78%)12839(Top 80%)12839(Top 2009%)
25.2M25.20 mi0.35 mi24520-2114363-914363-925592(Top 90%)14531(Top 90%)14531(Top 2274%)
Finish26.22 mi1.02 mi24489+3114330+3314330+3323399(Top 82%)13470(Top 84%)13470(Top 2108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25968

Males

15129

M65-69

15129

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23683

Males

14111

M65-69

14111

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25968

Males

15129

M65-69

15129

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25511

Males

14905

M65-69

14905

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25053

Males

14693

M65-69

14693

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24546

Males

14441

M65-69

14441

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24698

Males

14398

M65-69

14398

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23366

Males

13704

M65-69

13704

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24575

Males

14175

M65-69

14175

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22156

Males

12993

M65-69

12993

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24528

Males

14106

M65-69

14106

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22533

Males

13075

M65-69

13075

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22198

Males

12839

M65-69

12839

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25592

Males

14531

M65-69

14531

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23399

Males

13470

M65-69

13470

Passing Analysis

Category:
Athletes Passed
978
Passed By
2400
Net Change
-1422
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23067
5K → 10K112435-323#23067#23390
10K → 15K171137-1120#23390#24510
15K → 20K56368-312#24510#24822
20K → Half2132-11#24822#24833
Half → 25K11786+31#24833#24802
25K → 30K136143-7#24802#24809
30K → 20M1149+105#24809#24704
20M → 21M5763-6#24704#24710
21M → 35K7710+67#24710#24643
35K → 23M5361-8#24643#24651
23M → 24M846+78#24651#24573
24M → 40K795+74#24573#24499
40K → 25.2M627-21#24499#24520
25.2M → Finish4918+31#24520#24489
TOTALS9782400-1422
📊

Passing Visuals

Category:
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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