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BOSTON MARATHON 2025

Thomas Vandewalle

Bib: 28789•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
8:36/mi
26:43
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
51:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:16:05
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:40:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:46:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:05:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:32:08
↑ 181↓ 1480.2%
20M
8:37/mi
2:43:51
↑ 64↓ 500.2%
21M
9:09/mi
2:53:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
2:59:15
↑ 17↓ 861.7%
23M
8:38/mi
3:10:03
↑ 23↓ 630.6%
24M
8:33/mi
3:18:36
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:25:58
↓ 200.3%
25.2M
9:05/mi
3:29:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
3:37:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:04
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:51:33
Pace8:31 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1726:438:3626:43
8:36
-
10K
6.21 mi12:09:0551:318:1724:48
7:59
-0:37
15K
9.32 mi12:33:391:16:058:1024:34
7:54
-0:05
20K
12.43 mi12:58:231:40:498:0724:44
7:58
+0:04
Half
13.11 mi13:03:381:46:048:055:15
7:42
-0:16
25K
15.53 mi13:23:072:05:338:0519:29
8:02
+0:20
30K
18.64 mi13:49:422:32:088:1026:35
8:33
+0:31
20M
20.00 mi14:01:252:43:518:1211:43
8:37
+0:04
21M
21.00 mi14:10:342:53:008:149:09
9:09
+0:32
35K
21.75 mi14:16:492:59:158:156:15
8:21
-0:48
23M
23.00 mi14:27:373:10:038:1610:48
8:38
+0:17
24M
24.00 mi14:36:103:18:368:178:33
8:33
-0:05
40K
24.85 mi14:43:323:25:588:177:22
8:37
+0:04
25.2M
25.20 mi14:46:403:29:068:183:08
9:05
+0:28
Finish
26.22 mi14:55:113:37:378:188:31
8:21
-0:44

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

7:42 /mi

Average Pace

8:18 /mi

Slowest Pace

9:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:36

52% of race

Time at Steady Pace

1:34:52

44% of race

Time at Slower Pace

9:09

4% of race

Average Pace: 8:18 /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 mi11:44:1726:438:3626:43
8:36
#20442
10K
6.21 mi12:09:0551:318:1724:48
7:59
#18543
15K
9.32 mi12:33:391:16:058:1024:34
7:54
#17502
20K
12.43 mi12:58:231:40:498:0724:44
7:58
#16771
Half
13.11 mi13:03:381:46:048:055:15
7:42
#16591
25K
15.53 mi13:23:072:05:338:0519:29
8:02
#16186
30K
18.64 mi13:49:422:32:088:1026:35
8:33
#15946
20M
20.00 mi14:01:252:43:518:1211:43
8:37
#15800
21M
21.00 mi14:10:342:53:008:149:09
9:09
#15673
35K
21.75 mi14:16:492:59:158:156:15
8:21
#15609
23M
23.00 mi14:27:373:10:038:1610:48
8:38
#15473
24M
24.00 mi14:36:103:18:368:178:33
8:33
#15429
40K
24.85 mi14:43:323:25:588:177:22
8:37
#15355
25.2M
25.20 mi14:46:403:29:068:183:08
9:05
#15292
Finish
26.22 mi14:55:113:37:378:188:31
8:21
#15290
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20442126111261115282(Top 54%)10496(Top 65%)10496(Top 467%)
10K6.21 mi3.10 mi18543+189911849+76211849+76216331(Top 57%)10960(Top 68%)10960(Top 488%)
15K9.32 mi3.11 mi17502+104111435+41411435+41415282(Top 54%)10496(Top 65%)10496(Top 467%)
20K12.43 mi3.11 mi16771+73111118+31711118+31714617(Top 51%)10141(Top 63%)10141(Top 451%)
Half13.11 mi0.68 mi16591+18011045+7311045+7313331(Top 47%)9631(Top 60%)9631(Top 429%)
25K15.53 mi2.42 mi16186+40510870+17510870+17514172(Top 50%)9841(Top 61%)9841(Top 438%)
30K18.64 mi3.11 mi15946+24010708+16210708+16215113(Top 53%)10108(Top 63%)10108(Top 450%)
20M20.00 mi1.36 mi15800+14610602+10610602+10614550(Top 51%)9713(Top 60%)9713(Top 432%)
21M21.00 mi1.00 mi15673+12710507+9510507+9514340(Top 50%)9495(Top 59%)9495(Top 423%)
35K21.75 mi0.75 mi15609+6410469+3810469+3814590(Top 51%)9544(Top 59%)9544(Top 425%)
23M23.00 mi1.25 mi15473+13610372+9710372+9714078(Top 50%)9209(Top 57%)9209(Top 410%)
24M24.00 mi1.00 mi15429+4410329+4310329+4314801(Top 52%)9494(Top 59%)9494(Top 423%)
40K24.85 mi0.85 mi15355+7410266+6310266+6314138(Top 50%)9065(Top 56%)9065(Top 403%)
25.2M25.20 mi0.35 mi15292+6310231+3510231+3512265(Top 43%)8148(Top 51%)8148(Top 363%)
Finish26.22 mi1.02 mi15290+210205+2610205+2615270(Top 54%)9600(Top 60%)9600(Top 427%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15282

Males

10496

M40-44

10496

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16331

Males

10960

M40-44

10960

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15282

Males

10496

M40-44

10496

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

14617

Males

10141

M40-44

10141

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13331

Males

9631

M40-44

9631

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14172

Males

9841

M40-44

9841

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

15113

Males

10108

M40-44

10108

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14550

Males

9713

M40-44

9713

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14340

Males

9495

M40-44

9495

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14590

Males

9544

M40-44

9544

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14078

Males

9209

M40-44

9209

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14801

Males

9494

M40-44

9494

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14138

Males

9065

M40-44

9065

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12265

Males

8148

M40-44

8148

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15270

Males

9600

M40-44

9600

Passing Analysis

Category:
Athletes Passed
5578
Passed By
426
Net Change
+5152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20442
5K → 10K19067+1899#20442#18543
10K → 15K10454+1041#18543#17502
15K → 20K7365+731#17502#16771
20K → Half1811+180#16771#16591
Half → 25K41611+405#16591#16186
25K → 30K33595+240#16186#15946
30K → 20M19044+146#15946#15800
20M → 21M18255+127#15800#15673
21M → 35K8521+64#15673#15609
35K → 23M17337+136#15609#15473
23M → 24M8743+44#15473#15429
24M → 40K11137+74#15429#15355
40K → 25.2M696+63#15355#15292
25.2M → Finish6260+2#15292#15290
TOTALS5578426+5152
📊

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