Boston Marathon logo
BOSTON MARATHON 2025

Ahmed Kachenoura

Bib: 14301•M

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 29%
Division (M50-54)
#0 / 1996
Top 27%
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
7:01/mi
21:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:04/mi
43:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:01/mi
1:05:32
↑ 67↓ 78
20K· 12.43 mi
7:05/mi
1:27:31
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:32:13
↑ 19↓ 370.5%
25K· 15.53 mi
7:10/mi
1:49:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:28/mi
2:12:46
↑ 181↓ 1480.2%
20M
7:42/mi
2:23:14
↑ 64↓ 500.2%
21M
8:15/mi
2:31:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:37:17
↑ 17↓ 861.7%
23M
8:13/mi
2:47:34
↑ 23↓ 630.6%
24M
8:04/mi
2:55:38
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:02:55
↓ 200.3%
25.2M
9:02/mi
3:06:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:13:54
↑ 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
Time1:32:13
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:41:41
Pace7:45 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0921:497:0121:49
7:01
-
10K
6.21 mi11:14:0543:457:0221:56
7:04
+0:03
15K
9.32 mi11:35:521:05:327:0221:47
7:01
-0:03
20K
12.43 mi11:57:511:27:317:0321:59
7:05
+0:04
Half
13.11 mi12:02:331:32:137:024:42
6:53
-0:12
25K
15.53 mi12:19:551:49:357:0317:22
7:10
+0:17
30K
18.64 mi12:43:062:12:467:0723:11
7:28
+0:18
20M
20.00 mi12:53:342:23:147:1010:28
7:42
+0:14
21M
21.00 mi13:01:492:31:297:138:15
8:15
+0:33
35K
21.75 mi13:07:372:37:177:145:48
7:45
-0:30
23M
23.00 mi13:17:542:47:347:1710:17
8:13
+0:28
24M
24.00 mi13:25:582:55:387:198:04
8:04
-0:09
40K
24.85 mi13:33:153:02:557:227:17
8:31
+0:27
25.2M
25.20 mi13:36:223:06:027:233:07
9:02
+0:31
Finish
26.22 mi13:44:143:13:547:247:52
7:43
-1:19

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

6:53 /mi

Average Pace

7:24 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:35

57% of race

Time at Steady Pace

47:19

24% of race

Time at Slower Pace

37:00

19% of race

Average Pace: 7:24 /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 mi10:52:0921:497:0121:49
7:01
#7992
10K
6.21 mi11:14:0543:457:0221:56
7:04
#8167
15K
9.32 mi11:35:521:05:327:0221:47
7:01
#7982
20K
12.43 mi11:57:511:27:317:0321:59
7:05
#7776
Half
13.11 mi12:02:331:32:137:024:42
6:53
#7710
25K
15.53 mi12:19:551:49:357:0317:22
7:10
#7614
30K
18.64 mi12:43:062:12:467:0723:11
7:28
#7490
20M
20.00 mi12:53:342:23:147:1010:28
7:42
#7471
21M
21.00 mi13:01:492:31:297:138:15
8:15
#7477
35K
21.75 mi13:07:372:37:177:145:48
7:45
#7553
23M
23.00 mi13:17:542:47:347:1710:17
8:13
#7715
24M
24.00 mi13:25:582:55:387:198:04
8:04
#7862
40K
24.85 mi13:33:153:02:557:227:17
8:31
#8057
25.2M
25.20 mi13:36:223:06:027:233:07
9:02
#8114
Finish
26.22 mi13:44:143:13:547:247:52
7:43
#8184
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7992699469947696(Top 27%)6743(Top 42%)6743(Top 338%)
10K6.21 mi3.10 mi8167-1757091-977091-978349(Top 29%)7201(Top 45%)7201(Top 361%)
15K9.32 mi3.11 mi7982+1856967+1246967+1247696(Top 27%)6743(Top 42%)6743(Top 338%)
20K12.43 mi3.11 mi7776+2066814+1536814+1537373(Top 26%)6472(Top 40%)6472(Top 324%)
Half13.11 mi0.68 mi7710+666770+446770+446828(Top 24%)6093(Top 38%)6093(Top 305%)
25K15.53 mi2.42 mi7614+966684+866684+867350(Top 26%)6352(Top 39%)6352(Top 318%)
30K18.64 mi3.11 mi7490+1246560+1246560+1247481(Top 26%)6269(Top 39%)6269(Top 314%)
20M20.00 mi1.36 mi7471+196503+576503+578343(Top 29%)6636(Top 41%)6636(Top 332%)
21M21.00 mi1.00 mi7477-66473+306473+308855(Top 31%)6733(Top 42%)6733(Top 337%)
35K21.75 mi0.75 mi7553-766495-226495-2210409(Top 37%)7563(Top 47%)7563(Top 379%)
23M23.00 mi1.25 mi7715-1626556-616556-6111410(Top 40%)7940(Top 49%)7940(Top 398%)
24M24.00 mi1.00 mi7862-1476614-586614-5811658(Top 41%)7973(Top 50%)7973(Top 399%)
40K24.85 mi0.85 mi8057-1956705-916705-9113503(Top 48%)8747(Top 54%)8747(Top 438%)
25.2M25.20 mi0.35 mi8114-576734-296734-2911925(Top 42%)7936(Top 49%)7936(Top 398%)
Finish26.22 mi1.02 mi8184-706738-46738-410810(Top 38%)7402(Top 46%)7402(Top 371%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7696

Males

6743

M50-54

6743

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8349

Males

7201

M50-54

7201

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7696

Males

6743

M50-54

6743

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7373

Males

6472

M50-54

6472

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6828

Males

6093

M50-54

6093

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7350

Males

6352

M50-54

6352

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7481

Males

6269

M50-54

6269

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8343

Males

6636

M50-54

6636

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8855

Males

6733

M50-54

6733

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10409

Males

7563

M50-54

7563

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11410

Males

7940

M50-54

7940

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11658

Males

7973

M50-54

7973

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13503

Males

8747

M50-54

8747

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11925

Males

7936

M50-54

7936

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10810

Males

7402

M50-54

7402

Passing Analysis

Category:
Athletes Passed
1527
Passed By
1719
Net Change
-192
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7992
5K → 10K142317-175#7992#8167
10K → 15K24358+185#8167#7982
15K → 20K24236+206#7982#7776
20K → Half726+66#7776#7710
Half → 25K16064+96#7710#7614
25K → 30K236112+124#7614#7490
30K → 20M11697+19#7490#7471
20M → 21M8692-6#7471#7477
21M → 35K37113-76#7477#7553
35K → 23M59221-162#7553#7715
23M → 24M35182-147#7715#7862
24M → 40K33228-195#7862#8057
40K → 25.2M1572-57#8057#8114
25.2M → Finish51121-70#8114#8184
TOTALS15271719-192
📊

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