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BOSTON MARATHON 2025

John Ouweleen

FL

Bib: 30708 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M80+)
#0 / 8
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:31/mi
32:40
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
12:26/mi
1:11:18
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
14:54/mi
1:57:35
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
16:13/mi
2:47:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
15:54/mi
2:58:48
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
15:40/mi
3:36:48
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:35/mi
4:22:05
↑ 181↓ 1480.2%
138 ft elev
20M
14:10/mi
4:41:20
↑ 64↓ 500.2%
148 ft elev
21M
15:32/mi
4:56:52
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:06/mi
5:06:40
↑ 17↓ 861.7%
156 ft elev
23M
13:56/mi
5:24:07
↑ 23↓ 630.6%
116 ft elev
24M
12:48/mi
5:36:55
↓ 821.3%
34 ft elev
40K· 24.85 mi
14:09/mi
5:49:01
↓ 200.3%
20 ft elev
25.2M
14:59/mi
5:54:11
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
13:12/mi
6:07:38
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:58:4813:38 /mi⚡ faster
2nd Half
3:08:5014:24 /mi+5.6%
Positive split — 5.6% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0032:4010:3132:40
10:31
-
10K
6.21 mi12:31:381:11:1811:2838:38
12:26
+1:55
15K
9.32 mi13:17:551:57:3512:3746:17
14:54
+2:28
20K
12.43 mi14:08:172:47:5713:3150:22
16:13
+1:19
Half
13.11 mi14:19:082:58:4813:3810:51
15:54
-0:19
25K
15.53 mi14:57:083:36:4813:5738:00
15:40
-0:14
30K
18.64 mi15:42:254:22:0514:0445:17
14:35
-1:05
20M
20.00 mi16:01:404:41:2014:0419:15
14:10
-0:25
21M
21.00 mi16:17:124:56:5214:0815:32
15:32
+1:22
35K
21.75 mi16:27:005:06:4014:069:48
13:06
-2:26
23M
23.00 mi16:44:275:24:0714:0617:27
13:56
+0:50
24M
24.00 mi16:57:155:36:5514:0212:48
12:48
-1:08
40K
24.85 mi17:09:215:49:0114:0312:06
14:09
+1:21
25.2M
25.20 mi17:14:315:54:1114:035:10
14:59
+0:50
Finish
26.22 mi17:27:586:07:3814:0213:27
13:12
-1:47

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

10:31 /mi

Average Pace

14:02 /mi

Slowest Pace

16:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:21

29% of race

Time at Steady Pace

2:20:22

38% of race

Time at Slower Pace

1:59:55

33% of race

Average Pace: 14:01 /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 mi11:53:0032:4010:3132:40
10:31
#26801
10K
6.21 mi12:31:381:11:1811:2838:38
12:26
#27800
15K
9.32 mi13:17:551:57:3512:3746:17
14:54
#28264
20K
12.43 mi14:08:172:47:5713:3150:22
16:13
#28365
Half
13.11 mi14:19:082:58:4813:3810:51
15:54
#28369
25K
15.53 mi14:57:083:36:4813:5738:00
15:40
#28376
30K
18.64 mi15:42:254:22:0514:0445:17
14:35
#28359
20M
20.00 mi16:01:404:41:2014:0419:15
14:10
#28351
21M
21.00 mi16:17:124:56:5214:0815:32
15:32
#28350
35K
21.75 mi16:27:005:06:4014:069:48
13:06
#28341
23M
23.00 mi16:44:275:24:0714:0617:27
13:56
#28335
24M
24.00 mi16:57:155:36:5514:0212:48
12:48
#28323
40K
24.85 mi17:09:215:49:0114:0312:06
14:09
#28318
25.2M
25.20 mi17:14:315:54:1114:035:10
14:59
#28313
Finish
26.22 mi17:27:586:07:3814:0213:27
13:12
#28310
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM80+Seg. OverallSeg. MalesSeg. M80+
5K3.11 mi3.11 mi268011552115521283851609216092
10K6.21 mi3.10 mi27800-99915902-38115902-381281541600816008
15K9.32 mi3.11 mi28264-46416050-14816050-148283851609216092
20K12.43 mi3.11 mi28365-10116087-3716087-37283891609716097
Half13.11 mi0.68 mi28369-416088-116088-1283791609216092
25K15.53 mi2.42 mi28376-716091-316091-3283221606016060
30K18.64 mi3.11 mi28359+1716082+916082+9278421579815798
20M20.00 mi1.36 mi28351+816076+616076+6274031557215572
21M21.00 mi1.00 mi28350+116075+116075+1275641565415654
35K21.75 mi0.75 mi28341+916070+516070+5270571536915369
23M23.00 mi1.25 mi28335+616064+616064+6272721546715467
24M24.00 mi1.00 mi28323+1216058+616058+6266371513215132
40K24.85 mi0.85 mi28318+516054+416054+4273001544515445
25.2M25.20 mi0.35 mi28313+516052+216052+2271311534315343
Finish26.22 mi1.02 mi28310+316050+216050+2277221568815688

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21story building
+97ft-345ft

Overall

28385

Males

16092

M80+

16092

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

28154

Males

16008

M80+

16008

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

28385

Males

16092

M80+

16092

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

28389

Males

16097

M80+

16097

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

28379

Males

16092

M80+

16092

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

28322

Males

16060

M80+

16060

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27842

Males

15798

M80+

15798

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27403

Males

15572

M80+

15572

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27564

Males

15654

M80+

15654

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

27057

Males

15369

M80+

15369

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27272

Males

15467

M80+

15467

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26637

Males

15132

M80+

15132

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27300

Males

15445

M80+

15445

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27131

Males

15343

M80+

15343

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

27722

Males

15688

M80+

15688

Passing Analysis

Category:
Athletes Passed
86
Passed By
1595
Net Change
-1509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26801
5K → 10K31002-999#26801#27800
10K → 15K2466-464#27800#28264
15K → 20K1102-101#28264#28365
20K → Half04-4#28365#28369
Half → 25K18-7#28369#28376
25K → 30K192+17#28376#28359
30K → 20M102+8#28359#28351
20M → 21M32+1#28351#28350
21M → 35K101+9#28350#28341
35K → 23M93+6#28341#28335
23M → 24M120+12#28335#28323
24M → 40K50+5#28323#28318
40K → 25.2M61+5#28318#28313
25.2M → Finish52+3#28313#28310
TOTALS861595-1509

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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