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BOSTON MARATHON 2025

Menno De Vreeze

Bib: 28235•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
8:32/mi
26:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:55
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:19:54
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:46:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:52:47
↑ 19↓ 370.5%
25K· 15.53 mi
9:23/mi
2:15:31
↑ 66↓ 880.2%
30K· 18.64 mi
10:30/mi
2:48:08
↑ 181↓ 1480.2%
20M
10:11/mi
3:01:58
↑ 64↓ 500.2%
21M
11:55/mi
3:13:53
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:21:24
↑ 17↓ 861.7%
23M
11:08/mi
3:35:21
↑ 23↓ 630.6%
24M
10:48/mi
3:46:09
↓ 821.3%
40K· 24.85 mi
11:27/mi
3:55:56
↓ 200.3%
25.2M
12:48/mi
4:00:21
↑ 13↓ 160.2%
Finish· 26.22 mi
9:34/mi
4:10:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:47
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:17:19
Pace10:28 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5926:318:3226:31
8:32
-
10K
6.21 mi12:10:2352:558:3126:24
8:30
-0:02
15K
9.32 mi12:37:221:19:548:3426:59
8:41
+0:11
20K
12.43 mi13:04:231:46:558:3627:01
8:42
+0:01
Half
13.11 mi13:10:151:52:478:365:52
8:36
-0:06
25K
15.53 mi13:32:592:15:318:4322:44
9:23
+0:47
30K
18.64 mi14:05:362:48:089:0132:37
10:30
+1:07
20M
20.00 mi14:19:263:01:589:0613:50
10:11
-0:19
21M
21.00 mi14:31:213:13:539:1411:55
11:55
+1:44
35K
21.75 mi14:38:523:21:249:167:31
10:03
-1:52
23M
23.00 mi14:52:493:35:219:2213:57
11:08
+1:05
24M
24.00 mi15:03:373:46:099:2510:48
10:48
-0:20
40K
24.85 mi15:13:243:55:569:309:47
11:27
+0:39
25.2M
25.20 mi15:17:494:00:219:324:25
12:48
+1:21
Finish
26.22 mi15:27:344:10:069:339:45
9:34
-3:14

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

8:30 /mi

Average Pace

9:33 /mi

Slowest Pace

12:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:31

54% of race

Time at Steady Pace

1:03:43

25% of race

Time at Slower Pace

50:52

20% of race

Average Pace: 9:32 /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 mi11:43:5926:318:3226:31
8:32
#20090
10K
6.21 mi12:10:2352:558:3126:24
8:30
#19935
15K
9.32 mi12:37:221:19:548:3426:59
8:41
#20090
20K
12.43 mi13:04:231:46:558:3627:01
8:42
#19883
Half
13.11 mi13:10:151:52:478:365:52
8:36
#19884
25K
15.53 mi13:32:592:15:318:4322:44
9:23
#20199
30K
18.64 mi14:05:362:48:089:0132:37
10:30
#20961
20M
20.00 mi14:19:263:01:589:0613:50
10:11
#21019
21M
21.00 mi14:31:213:13:539:1411:55
11:55
#21260
35K
21.75 mi14:38:523:21:249:167:31
10:03
#21295
23M
23.00 mi14:52:493:35:219:2213:57
11:08
#21482
24M
24.00 mi15:03:373:46:099:2510:48
10:48
#21595
40K
24.85 mi15:13:243:55:569:309:47
11:27
#21722
25.2M
25.20 mi15:17:494:00:219:324:25
12:48
#21772
Finish
26.22 mi15:27:344:10:069:339:45
9:34
#21753
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi20090124831248320401(Top 72%)12694(Top 79%)12694(Top 532%)
10K6.21 mi3.10 mi19935+15512445+3812445+3819779(Top 70%)12380(Top 77%)12380(Top 519%)
15K9.32 mi3.11 mi20090-15512511-6612511-6620401(Top 72%)12694(Top 79%)12694(Top 532%)
20K12.43 mi3.11 mi19883+20712418+9312418+9319391(Top 68%)12208(Top 76%)12208(Top 512%)
Half13.11 mi0.68 mi19884-112422-412422-419804(Top 70%)12397(Top 77%)12397(Top 520%)
25K15.53 mi2.42 mi20199-31512538-11612538-11621458(Top 76%)13066(Top 81%)13066(Top 548%)
30K18.64 mi3.11 mi20961-76212835-29712835-29722938(Top 81%)13591(Top 84%)13591(Top 570%)
20M20.00 mi1.36 mi21019-5812850-1512850-1521508(Top 76%)12821(Top 80%)12821(Top 537%)
21M21.00 mi1.00 mi21260-24112943-9312943-9323436(Top 83%)13641(Top 85%)13641(Top 572%)
35K21.75 mi0.75 mi21295-3512953-1012953-1022019(Top 78%)12921(Top 80%)12921(Top 542%)
23M23.00 mi1.25 mi21482-18713008-5513008-5523539(Top 83%)13609(Top 85%)13609(Top 570%)
24M24.00 mi1.00 mi21595-11313034-2613034-2623553(Top 83%)13593(Top 84%)13593(Top 570%)
40K24.85 mi0.85 mi21722-12713055-2113055-2124025(Top 85%)13785(Top 86%)13785(Top 578%)
25.2M25.20 mi0.35 mi21772-5013075-2013075-2024738(Top 87%)14130(Top 88%)14130(Top 592%)
Finish26.22 mi1.02 mi21753+1913053+2213053+2221421(Top 75%)12495(Top 78%)12495(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20401

Males

12694

M45-49

12694

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19779

Males

12380

M45-49

12380

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20401

Males

12694

M45-49

12694

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19391

Males

12208

M45-49

12208

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19804

Males

12397

M45-49

12397

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21458

Males

13066

M45-49

13066

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22938

Males

13591

M45-49

13591

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21508

Males

12821

M45-49

12821

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23436

Males

13641

M45-49

13641

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22019

Males

12921

M45-49

12921

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23539

Males

13609

M45-49

13609

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23553

Males

13593

M45-49

13593

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24025

Males

13785

M45-49

13785

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24738

Males

14130

M45-49

14130

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21421

Males

12495

M45-49

12495

Passing Analysis

Category:
Athletes Passed
1281
Passed By
2944
Net Change
-1663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20090
5K → 10K364209+155#20090#19935
10K → 15K138293-155#19935#20090
15K → 20K29588+207#20090#19883
20K → Half2425-1#19883#19884
Half → 25K81396-315#19884#20199
25K → 30K62824-762#20199#20961
30K → 20M87145-58#20961#21019
20M → 21M32273-241#21019#21260
21M → 35K4075-35#21260#21295
35K → 23M49236-187#21295#21482
23M → 24M24137-113#21482#21595
24M → 40K21148-127#21595#21722
40K → 25.2M1060-50#21722#21772
25.2M → Finish5435+19#21772#21753
TOTALS12812944-1663
📊

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