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BOSTON MARATHON 2025

Alexandre Nacrour

Bib: 7218•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:07
Rank: #3668
Start → 5K
20:07 | 6:28/mi
10K· 6.21 mi
40:41
Rank: #4124 (-456)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:01:40
Rank: #4520 (-396)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:23:30
Rank: #5158 (-638)
15K → 20K
21:50 | 7:02/mi
Half· 13.11 mi
1:28:15
Rank: #5296 (-138)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:47:21
Rank: #6650 (-1354)
Half → 25K
19:06 | 7:53/mi
30K· 18.64 mi
2:11:20
Rank: #6961 (-311)
25K → 30K
23:59 | 7:43/mi
20M
2:22:22
Rank: #7188 (-227)
30K → 20M
11:02 | 8:07/mi
21M
2:31:17
Rank: #7415 (-227)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
2:37:24
Rank: #7591 (-176)
21M → 35K
6:07 | 8:11/mi
23M
2:48:07
Rank: #7873 (-282)
35K → 23M
10:43 | 8:34/mi
24M
2:56:22
Rank: #8092 (-219)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:03:39
Rank: #8270 (-178)
24M → 40K
7:17 | 8:31/mi
25.2M
3:06:45
Rank: #8317 (-47)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:14:43
Rank: #8453 (-136)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:15
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:46:28
Pace8:07 /mi
📊Positive Split: 20.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5820:076:2820:07
6:28
-
10K
6.21 mi10:46:3240:416:3320:34
6:37
+0:09
15K
9.32 mi11:07:311:01:406:3720:59
6:45
+0:08
20K
12.43 mi11:29:211:23:306:4321:50
7:02
+0:17
Half
13.11 mi11:34:061:28:156:444:45
6:58
-0:04
25K
15.53 mi11:53:121:47:216:5519:06
7:53
+0:55
30K
18.64 mi12:17:112:11:207:0323:59
7:43
-0:10
20M
20.00 mi12:28:132:22:227:0711:02
8:07
+0:24
21M
21.00 mi12:37:082:31:177:128:55
8:55
+0:48
35K
21.75 mi12:43:152:37:247:146:07
8:11
-0:44
23M
23.00 mi12:53:582:48:077:1910:43
8:34
+0:23
24M
24.00 mi13:02:132:56:227:218:15
8:15
-0:19
40K
24.85 mi13:09:303:03:397:237:17
8:31
+0:16
25.2M
25.20 mi13:12:363:06:457:253:06
8:59
+0:28
Finish
26.22 mi13:20:343:14:437:267:58
7:49
-1:10

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

6:28 /mi

Average Pace

7:26 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:15

45% of race

Time at Steady Pace

1:16:27

39% of race

Time at Slower Pace

30:01

15% of race

Average Pace: 7:26 /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 mi10:25:5820:076:2820:07
6:28
#3668
10K
6.21 mi10:46:3240:416:3320:34
6:37
#4124
15K
9.32 mi11:07:311:01:406:3720:59
6:45
#4520
20K
12.43 mi11:29:211:23:306:4321:50
7:02
#5158
Half
13.11 mi11:34:061:28:156:444:45
6:58
#5296
25K
15.53 mi11:53:121:47:216:5519:06
7:53
#6650
30K
18.64 mi12:17:112:11:207:0323:59
7:43
#6961
20M
20.00 mi12:28:132:22:227:0711:02
8:07
#7188
21M
21.00 mi12:37:082:31:177:128:55
8:55
#7415
35K
21.75 mi12:43:152:37:247:146:07
8:11
#7591
23M
23.00 mi12:53:582:48:077:1910:43
8:34
#7873
24M
24.00 mi13:02:132:56:227:218:15
8:15
#8092
40K
24.85 mi13:09:303:03:397:237:17
8:31
#8270
25.2M
25.20 mi13:12:363:06:457:253:06
8:59
#8317
Finish
26.22 mi13:20:343:14:437:267:58
7:49
#8453
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3668348034805647(Top 20%)5164(Top 32%)5164(Top 92%)
10K6.21 mi3.10 mi4124-4563887-4073887-4074639(Top 16%)4345(Top 27%)4345(Top 77%)
15K9.32 mi3.11 mi4520-3964246-3594246-3595647(Top 20%)5164(Top 32%)5164(Top 92%)
20K12.43 mi3.11 mi5158-6384784-5384784-5387046(Top 25%)6238(Top 39%)6238(Top 111%)
Half13.11 mi0.68 mi5296-1384902-1184902-1187296(Top 26%)6438(Top 40%)6438(Top 114%)
25K15.53 mi2.42 mi6650-13545987-10855987-108512929(Top 46%)9255(Top 57%)9255(Top 164%)
30K18.64 mi3.11 mi6961-3116181-1946181-1949308(Top 33%)7316(Top 45%)7316(Top 130%)
20M20.00 mi1.36 mi7188-2276314-1336314-13311209(Top 39%)8128(Top 50%)8128(Top 144%)
21M21.00 mi1.00 mi7415-2276435-1216435-12112988(Top 46%)8826(Top 55%)8826(Top 156%)
35K21.75 mi0.75 mi7591-1766528-936528-9313399(Top 47%)8975(Top 56%)8975(Top 159%)
23M23.00 mi1.25 mi7873-2826658-1306658-13013640(Top 48%)8983(Top 56%)8983(Top 159%)
24M24.00 mi1.00 mi8092-2196757-996757-9912872(Top 45%)8576(Top 53%)8576(Top 152%)
40K24.85 mi0.85 mi8270-1786843-866843-8613506(Top 48%)8750(Top 54%)8750(Top 155%)
25.2M25.20 mi0.35 mi8317-476849-66849-611653(Top 41%)7787(Top 48%)7787(Top 138%)
Finish26.22 mi1.02 mi8453-1366909-606909-6011525(Top 41%)7770(Top 48%)7770(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5647

Males

5164

M18-39

5164

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4639

Males

4345

M18-39

4345

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5647

Males

5164

M18-39

5164

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7046

Males

6238

M18-39

6238

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7296

Males

6438

M18-39

6438

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12929

Males

9255

M18-39

9255

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9308

Males

7316

M18-39

7316

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

11209

Males

8128

M18-39

8128

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12988

Males

8826

M18-39

8826

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13399

Males

8975

M18-39

8975

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13640

Males

8983

M18-39

8983

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12872

Males

8576

M18-39

8576

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13506

Males

8750

M18-39

8750

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11653

Males

7787

M18-39

7787

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11525

Males

7770

M18-39

7770

Passing Analysis

Category:
Athletes Passed
421
Passed By
5206
Net Change
-4785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3668
5K → 10K25481-456#3668#4124
10K → 15K22418-396#4124#4520
15K → 20K26664-638#4520#5158
20K → Half8146-138#5158#5296
Half → 25K101364-1354#5296#6650
25K → 30K89400-311#6650#6961
30K → 20M48275-227#6961#7188
20M → 21M29256-227#7188#7415
21M → 35K20196-176#7415#7591
35K → 23M43325-282#7591#7873
23M → 24M29248-219#7873#8092
24M → 40K30208-178#8092#8270
40K → 25.2M1865-47#8270#8317
25.2M → Finish24160-136#8317#8453
TOTALS4215206-4785
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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