Boston Marathon logo
BOSTON MARATHON 2025

El Amin Chentouf

Bib: P101•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 14%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M40-44)
#0 / 2247
Top 12%
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
5:21/mi
16:37
↑ 97↓ 3451.5%
10K· 6.21 mi
5:36/mi
34:02
↑ 79↓ 1380.4%
15K· 9.32 mi
5:47/mi
51:59
↑ 67↓ 78
20K· 12.43 mi
6:03/mi
1:10:47
↑ 106↓ 860.1%
Half· 13.11 mi
5:58/mi
1:14:51
↑ 19↓ 370.5%
25K· 15.53 mi
6:22/mi
1:30:16
↑ 66↓ 880.2%
30K· 18.64 mi
6:45/mi
1:51:14
↑ 181↓ 1480.2%
20M
7:38/mi
2:01:36
↑ 64↓ 500.2%
21M
8:11/mi
2:09:47
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:15:33
↑ 17↓ 861.7%
23M
8:04/mi
2:25:39
↑ 23↓ 630.6%
24M
8:10/mi
2:33:49
↓ 821.3%
40K· 24.85 mi
7:41/mi
2:40:23
↓ 200.3%
25.2M
9:11/mi
2:43:33
↑ 13↓ 160.2%
Finish· 26.22 mi
7:11/mi
2:50:52
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:51
Pace5:43 /mi
2nd Half
Distance13.11 mi
Time1:36:01
Pace7:19 /mi
📊Positive Split: 28.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi09:53:3916:375:2116:37
5:21
-
10K
6.21 mi10:11:0434:025:2917:25
5:36
+0:15
15K
9.32 mi10:29:0151:595:3517:57
5:47
+0:11
20K
12.43 mi10:47:491:10:475:4218:48
6:03
+0:16
Half
13.11 mi10:51:531:14:515:434:04
5:58
-0:05
25K
15.53 mi11:07:181:30:165:4915:25
6:22
+0:24
30K
18.64 mi11:28:161:51:145:5820:58
6:45
+0:23
20M
20.00 mi11:38:382:01:366:0510:22
7:38
+0:53
21M
21.00 mi11:46:492:09:476:118:11
8:11
+0:33
35K
21.75 mi11:52:352:15:336:145:46
7:42
-0:29
23M
23.00 mi12:02:412:25:396:2010:06
8:04
+0:22
24M
24.00 mi12:10:512:33:496:258:10
8:10
+0:06
40K
24.85 mi12:17:252:40:236:276:34
7:41
-0:29
25.2M
25.20 mi12:20:352:43:336:293:10
9:11
+1:30
Finish
26.22 mi12:27:542:50:526:317:19
7:11
-2:00

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

5:21 /mi

Average Pace

6:31 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:16

53% of race

Time at Steady Pace

50:59

30% of race

Time at Slower Pace

29:37

17% of race

Average Pace: 6:31 /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 mi09:53:3916:375:2116:37
5:21
#95
10K
6.21 mi10:11:0434:025:2917:25
5:36
#185
15K
9.32 mi10:29:0151:595:3517:57
5:47
#259
20K
12.43 mi10:47:491:10:475:4218:48
6:03
#373
Half
13.11 mi10:51:531:14:515:434:04
5:58
#390
25K
15.53 mi11:07:181:30:165:4915:25
6:22
#505
30K
18.64 mi11:28:161:51:145:5820:58
6:45
#757
20M
20.00 mi11:38:382:01:366:0510:22
7:38
#983
21M
21.00 mi11:46:492:09:476:118:11
8:11
#1215
35K
21.75 mi11:52:352:15:336:145:46
7:42
#1363
23M
23.00 mi12:02:412:25:396:2010:06
8:04
#1705
24M
24.00 mi12:10:512:33:496:258:10
8:10
#2002
40K
24.85 mi12:17:252:40:236:276:34
7:41
#2167
25.2M
25.20 mi12:20:352:43:336:293:10
9:11
#2298
Finish
26.22 mi12:27:542:50:526:317:19
7:11
#2418
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi959494495(Top 2%)459(Top 3%)459(Top 20%)
10K6.21 mi3.10 mi185-90159-65159-65306(Top 1%)277(Top 2%)277(Top 12%)
15K9.32 mi3.11 mi259-74231-72231-72495(Top 2%)459(Top 3%)459(Top 20%)
20K12.43 mi3.11 mi373-114343-112343-1121011(Top 4%)953(Top 6%)953(Top 42%)
Half13.11 mi0.68 mi390-17358-15358-151054(Top 4%)1001(Top 6%)1001(Top 45%)
25K15.53 mi2.42 mi505-115468-110468-1102159(Top 8%)2055(Top 13%)2055(Top 91%)
30K18.64 mi3.11 mi757-252709-241709-2413137(Top 11%)2944(Top 18%)2944(Top 131%)
20M20.00 mi1.36 mi983-226925-216925-2167862(Top 28%)6349(Top 39%)6349(Top 283%)
21M21.00 mi1.00 mi1215-2321144-2191144-2198434(Top 30%)6494(Top 40%)6494(Top 289%)
35K21.75 mi0.75 mi1363-1481285-1411285-14110083(Top 35%)7393(Top 46%)7393(Top 329%)
23M23.00 mi1.25 mi1705-3421615-3301615-33010477(Top 37%)7457(Top 46%)7457(Top 332%)
24M24.00 mi1.00 mi2002-2971900-2851900-28512299(Top 43%)8307(Top 52%)8307(Top 370%)
40K24.85 mi0.85 mi2167-1652059-1592059-1597916(Top 28%)5936(Top 37%)5936(Top 264%)
25.2M25.20 mi0.35 mi2298-1312184-1252184-12512713(Top 45%)8298(Top 52%)8298(Top 369%)
Finish26.22 mi1.02 mi2418-1202293-1092293-1096899(Top 24%)5265(Top 33%)5265(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

495

Males

459

M40-44

459

5K→10K

3.1 - 6.2 mi

Top 1%
×5story building
+79ft-138ft

Overall

306

Males

277

M40-44

277

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

495

Males

459

M40-44

459

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1011

Males

953

M40-44

953

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1054

Males

1001

M40-44

1001

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2159

Males

2055

M40-44

2055

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3137

Males

2944

M40-44

2944

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7862

Males

6349

M40-44

6349

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8434

Males

6494

M40-44

6494

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

10083

Males

7393

M40-44

7393

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10477

Males

7457

M40-44

7457

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12299

Males

8307

M40-44

8307

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7916

Males

5936

M40-44

5936

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12713

Males

8298

M40-44

8298

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6899

Males

5265

M40-44

5265

Passing Analysis

Category:
Athletes Passed
41
Passed By
2364
Net Change
-2323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#95
5K → 10K090-90#95#185
10K → 15K175-74#185#259
15K → 20K2116-114#259#373
20K → Half017-17#373#390
Half → 25K3118-115#390#505
25K → 30K2254-252#505#757
30K → 20M2228-226#757#983
20M → 21M3235-232#983#1215
21M → 35K2150-148#1215#1363
35K → 23M5347-342#1363#1705
23M → 24M4301-297#1705#2002
24M → 40K10175-165#2002#2167
40K → 25.2M1132-131#2167#2298
25.2M → Finish6126-120#2298#2418
TOTALS412364-2323
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing