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BOSTON MARATHON 2025

Didier Macé

Bib: 24943•X

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0:00
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Overall
#0 / 28404
Gender (Other)
#0 / 71
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:26
Rank: #21655
Start → 5K
8:50/mi
27:26 split
10K· 6.21 mi
55:55
Rank: #22420 (-765)
5K → 10K
9:10/mi
28:29 split
15K· 9.32 mi
1:24:41
Rank: #22633 (-213)
10K → 15K
9:16/mi
28:46 split
20K· 12.43 mi
1:56:25
Rank: #23351 (-718)
15K → 20K
10:13/mi
31:44 split
Half· 13.11 mi
2:03:15
Rank: #23453 (-102)
20K → Half
10:01/mi
6:50 split
25K· 15.53 mi
2:29:44
Rank: #23803 (-350)
Half → 25K
10:55/mi
26:29 split
30K· 18.64 mi
3:09:50
Rank: #24629 (-826)
25K → 30K
12:54/mi
40:06 split
20M
3:26:06
Rank: #24691 (-62)
30K → 20M
11:58/mi
16:16 split
21M
3:40:25
Rank: #24848 (-157)
20M → 21M
14:19/mi
14:19 split
35K· 21.75 mi
3:48:52
Rank: #24856 (-8)
21M → 35K
11:18/mi
8:27 split
23M
4:06:09
Rank: #25080 (-224)
35K → 23M
13:48/mi
17:17 split
24M
4:21:50
Rank: #25348 (-268)
23M → 24M
15:41/mi
15:41 split
40K· 24.85 mi
4:34:07
Rank: #25492 (-144)
24M → 40K
14:22/mi
12:17 split
25.2M
4:39:35
Rank: #25567 (-75)
40K → 25.2M
15:51/mi
5:28 split
Finish· 26.22 mi
4:50:36
Rank: #25558 (+9)
25.2M → Finish
10:49/mi
11:01 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:15
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:47:21
Pace12:46 /mi
📊Positive Split: 35.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:3727:268:5027:26
8:50
-
10K
6.21 mi11:56:0655:559:0028:29
9:10
+0:20
15K
9.32 mi12:24:521:24:419:0528:46
9:16
+0:06
20K
12.43 mi12:56:361:56:259:2231:44
10:13
+0:57
Half
13.11 mi13:03:262:03:159:246:50
10:01
-0:12
25K
15.53 mi13:29:552:29:449:3826:29
10:55
+0:54
30K
18.64 mi14:10:013:09:5010:1140:06
12:54
+1:59
20M
20.00 mi14:26:173:26:0610:1816:16
11:58
-0:56
21M
21.00 mi14:40:363:40:2510:3014:19
14:19
+2:21
35K
21.75 mi14:49:033:48:5210:318:27
11:18
-3:01
23M
23.00 mi15:06:204:06:0910:4217:17
13:48
+2:30
24M
24.00 mi15:22:014:21:5010:5515:41
15:41
+1:53
40K
24.85 mi15:34:184:34:0711:0212:17
14:22
-1:19
25.2M
25.20 mi15:39:464:39:3511:065:28
15:51
+1:29
Finish
26.22 mi15:50:474:50:3611:0511:01
10:49
-5:02

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

8:50 /mi

Average Pace

11:05 /mi

Slowest Pace

15:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:31

31% of race

Time at Steady Pace

1:33:57

32% of race

Time at Slower Pace

1:45:08

36% of race

Average Pace: 11:05 /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 mi11:27:3727:268:5027:26
8:50
#21655
10K
6.21 mi11:56:0655:559:0028:29
9:10
#22420
15K
9.32 mi12:24:521:24:419:0528:46
9:16
#22633
20K
12.43 mi12:56:361:56:259:2231:44
10:13
#23351
Half
13.11 mi13:03:262:03:159:246:50
10:01
#23453
25K
15.53 mi13:29:552:29:449:3826:29
10:55
#23803
30K
18.64 mi14:10:013:09:5010:1140:06
12:54
#24629
20M
20.00 mi14:26:173:26:0610:1816:16
11:58
#24691
21M
21.00 mi14:40:363:40:2510:3014:19
14:19
#24848
35K
21.75 mi14:49:033:48:5210:318:27
11:18
#24856
23M
23.00 mi15:06:204:06:0910:4217:17
13:48
#25080
24M
24.00 mi15:22:014:21:5010:5515:41
15:41
#25348
40K
24.85 mi15:34:184:34:0711:0212:17
14:22
#25492
25.2M
25.20 mi15:39:464:39:3511:065:28
15:51
#25567
Finish
26.22 mi15:50:474:50:3611:0511:01
10:49
#25558
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi21655626223066(Top 81%)63(Top 89%)63
10K6.21 mi3.10 mi22420-765626223064(Top 81%)63(Top 89%)63
15K9.32 mi3.11 mi22633-213626223066(Top 81%)63(Top 89%)63
20K12.43 mi3.11 mi23351-71863-163-124670(Top 87%)64(Top 90%)64
Half13.11 mi0.68 mi23453-102636324846(Top 87%)64(Top 90%)64
25K15.53 mi2.42 mi23803-350636325096(Top 88%)65(Top 92%)65
30K18.64 mi3.11 mi24629-82664-164-126583(Top 94%)68(Top 96%)68
20M20.00 mi1.36 mi24691-62646425212(Top 89%)64(Top 90%)64
21M21.00 mi1.00 mi24848-157646426542(Top 93%)68(Top 96%)68
35K21.75 mi0.75 mi24856-865-165-124752(Top 87%)62(Top 87%)62
23M23.00 mi1.25 mi25080-224656527154(Top 96%)68(Top 96%)68
24M24.00 mi1.00 mi25348-268656528176(Top 99%)71(Top 100%)71
40K24.85 mi0.85 mi25492-144656527434(Top 97%)70(Top 99%)70
25.2M25.20 mi0.35 mi25567-7566-166-127630(Top 97%)70(Top 99%)70
Finish26.22 mi1.02 mi25558+9666624955(Top 88%)66(Top 93%)66

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

23066

X

63

Age Div

63

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23064

X

63

Age Div

63

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

23066

X

63

Age Div

63

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24670

X

64

Age Div

64

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24846

X

64

Age Div

64

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25096

X

65

Age Div

65

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26583

X

68

Age Div

68

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25212

X

64

Age Div

64

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26542

X

68

Age Div

68

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24752

X

62

Age Div

62

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27154

X

68

Age Div

68

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28176

X

71

Age Div

71

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27434

X

70

Age Div

70

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27630

X

70

Age Div

70

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24955

X

66

Age Div

66

Passing Analysis

Category:
Athletes Passed
432
Passed By
4335
Net Change
-3903
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21655
5K → 10K67832-765#21655#22420
10K → 15K113326-213#22420#22633
15K → 20K40758-718#22633#23351
20K → Half10112-102#23351#23453
Half → 25K41391-350#23453#23803
25K → 30K18844-826#23803#24629
30K → 20M3597-62#24629#24691
20M → 21M16173-157#24691#24848
21M → 35K3341-8#24848#24856
35K → 23M6230-224#24856#25080
23M → 24M5273-268#25080#25348
24M → 40K9153-144#25348#25492
40K → 25.2M580-75#25492#25567
25.2M → Finish3425+9#25567#25558
TOTALS4324335-3903
📊

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