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BOSTON MARATHON 2025

Tim Couvreur

Bib: 29229•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
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
7:04/mi
21:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
43:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:06:16
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:28:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:33:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:51:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:37/mi
2:15:07
↑ 181↓ 1480.2%
20M
7:40/mi
2:25:32
↑ 64↓ 500.2%
21M
8:26/mi
2:33:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:18/mi
2:39:26
↑ 17↓ 861.7%
23M
7:57/mi
2:49:23
↑ 23↓ 630.6%
24M
7:37/mi
2:57:00
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:03:56
↓ 200.3%
25.2M
8:27/mi
3:06:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:14:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:40
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:40:58
Pace7:42 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:2621:577:0421:57
7:04
-
10K
6.21 mi12:01:2643:577:0422:00
7:05
+0:01
15K
9.32 mi12:23:451:06:167:0722:19
7:11
+0:06
20K
12.43 mi12:46:191:28:507:0922:34
7:16
+0:05
Half
13.11 mi12:51:091:33:407:094:50
7:05
-0:11
25K
15.53 mi13:08:571:51:287:1117:48
7:20
+0:15
30K
18.64 mi13:32:362:15:077:1523:39
7:37
+0:17
20M
20.00 mi13:43:012:25:327:1710:25
7:40
+0:03
21M
21.00 mi13:51:272:33:587:208:26
8:26
+0:46
35K
21.75 mi13:56:552:39:267:205:28
7:18
-1:08
23M
23.00 mi14:06:522:49:237:229:57
7:57
+0:39
24M
24.00 mi14:14:292:57:007:237:37
7:37
-0:20
40K
24.85 mi14:21:253:03:567:246:56
8:07
+0:30
25.2M
25.20 mi14:24:203:06:517:252:55
8:27
+0:20
Finish
26.22 mi14:32:073:14:387:267:47
7:38
-0:49

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

7:04 /mi

Average Pace

7:26 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:24

85% of race

Time at Steady Pace

16:53

9% of race

Time at Slower Pace

11:21

6% of race

Average Pace: 7:25 /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 mi11:39:2621:577:0421:57
7:04
#8335
10K
6.21 mi12:01:2643:577:0422:00
7:05
#8445
15K
9.32 mi12:23:451:06:167:0722:19
7:11
#8561
20K
12.43 mi12:46:191:28:507:0922:34
7:16
#8526
Half
13.11 mi12:51:091:33:407:094:50
7:05
#8497
25K
15.53 mi13:08:571:51:287:1117:48
7:20
#8474
30K
18.64 mi13:32:362:15:077:1523:39
7:37
#8418
20M
20.00 mi13:43:012:25:327:1710:25
7:40
#8349
21M
21.00 mi13:51:272:33:587:208:26
8:26
#8387
35K
21.75 mi13:56:552:39:267:205:28
7:18
#8316
23M
23.00 mi14:06:522:49:237:229:57
7:57
#8330
24M
24.00 mi14:14:292:57:007:237:37
7:37
#8288
40K
24.85 mi14:21:253:03:567:246:56
8:07
#8357
25.2M
25.20 mi14:24:203:06:517:252:55
8:27
#8354
Finish
26.22 mi14:32:073:14:387:267:47
7:38
#8423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8335720672068967(Top 32%)7527(Top 47%)7527(Top 335%)
10K6.21 mi3.10 mi8445-1107265-597265-598508(Top 30%)7301(Top 45%)7301(Top 325%)
15K9.32 mi3.11 mi8561-1167327-627327-628967(Top 32%)7527(Top 47%)7527(Top 335%)
20K12.43 mi3.11 mi8526+357277+507277+508721(Top 31%)7287(Top 45%)7287(Top 324%)
Half13.11 mi0.68 mi8497+297254+237254+238159(Top 29%)6998(Top 43%)6998(Top 311%)
25K15.53 mi2.42 mi8474+237222+327222+328665(Top 31%)7151(Top 44%)7151(Top 318%)
30K18.64 mi3.11 mi8418+567132+907132+908528(Top 30%)6898(Top 43%)6898(Top 307%)
20M20.00 mi1.36 mi8349+697060+727060+728118(Top 29%)6516(Top 40%)6516(Top 290%)
21M21.00 mi1.00 mi8387-387043+177043+1710016(Top 35%)7367(Top 46%)7367(Top 328%)
35K21.75 mi0.75 mi8316+716981+626981+627281(Top 26%)5865(Top 36%)5865(Top 261%)
23M23.00 mi1.25 mi8330-146944+376944+379605(Top 34%)7027(Top 44%)7027(Top 313%)
24M24.00 mi1.00 mi8288+426886+586886+588516(Top 30%)6392(Top 40%)6392(Top 284%)
40K24.85 mi0.85 mi8357-696892-66892-610882(Top 38%)7492(Top 47%)7492(Top 333%)
25.2M25.20 mi0.35 mi8354+36875+176875+178504(Top 30%)6189(Top 38%)6189(Top 275%)
Finish26.22 mi1.02 mi8423-696889-146889-1410192(Top 36%)7078(Top 44%)7078(Top 315%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8967

Males

7527

M40-44

7527

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8508

Males

7301

M40-44

7301

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8967

Males

7527

M40-44

7527

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8721

Males

7287

M40-44

7287

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8159

Males

6998

M40-44

6998

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8665

Males

7151

M40-44

7151

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8528

Males

6898

M40-44

6898

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8118

Males

6516

M40-44

6516

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

10016

Males

7367

M40-44

7367

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7281

Males

5865

M40-44

5865

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9605

Males

7027

M40-44

7027

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8516

Males

6392

M40-44

6392

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10882

Males

7492

M40-44

7492

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8504

Males

6189

M40-44

6189

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10192

Males

7078

M40-44

7078

Passing Analysis

Category:
Athletes Passed
1523
Passed By
1611
Net Change
-88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8335
5K → 10K158268-110#8335#8445
10K → 15K122238-116#8445#8561
15K → 20K187152+35#8561#8526
20K → Half4718+29#8526#8497
Half → 25K139116+23#8497#8474
25K → 30K232176+56#8474#8418
30K → 20M13364+69#8418#8349
20M → 21M78116-38#8349#8387
21M → 35K9524+71#8387#8316
35K → 23M111125-14#8316#8330
23M → 24M9654+42#8330#8288
24M → 40K49118-69#8288#8357
40K → 25.2M3633+3#8357#8354
25.2M → Finish40109-69#8354#8423
TOTALS15231611-88
📊

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