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BOSTON MARATHON 2025

Justin Samaniego

Bib: 10985•M

IL

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

Start
0:00:00
Race begins
5K· 3.11 mi
23:07
Rank: #11688
Start → 5K
23:07 | 7:26/mi
10K· 6.21 mi
45:31
Rank: #10540 (+1148)
5K → 10K
22:24 | 7:13/mi
15K· 9.32 mi
1:07:28
Rank: #9639 (+901)
10K → 15K
21:57 | 7:04/mi
20K· 12.43 mi
1:29:32
Rank: #9026 (+613)
15K → 20K
22:04 | 7:06/mi
Half· 13.11 mi
1:34:20
Rank: #8937 (+89)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:51:38
Rank: #8563 (+374)
Half → 25K
17:18 | 7:08/mi
30K· 18.64 mi
2:15:22
Rank: #8529 (+34)
25K → 30K
23:44 | 7:38/mi
20M
2:25:51
Rank: #8473 (+56)
30K → 20M
10:29 | 7:43/mi
21M
2:34:04
Rank: #8436 (+37)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:39:26
Rank: #8315 (+121)
21M → 35K
5:22 | 7:10/mi
23M
2:49:12
Rank: #8272 (+43)
35K → 23M
9:46 | 7:48/mi
24M
2:56:53
Rank: #8257 (+15)
23M → 24M
7:41 | 7:41/mi
40K· 24.85 mi
3:03:30
Rank: #8224 (+33)
24M → 40K
6:37 | 7:44/mi
25.2M
3:06:42
Rank: #8298 (-74)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:14:37
Rank: #8420 (-122)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:40:17
Pace7:39 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4123:077:2623:07
7:26
-
10K
6.21 mi11:12:0545:317:2022:24
7:13
-0:13
15K
9.32 mi11:34:021:07:287:1421:57
7:04
-0:09
20K
12.43 mi11:56:061:29:327:1222:04
7:06
+0:02
Half
13.11 mi12:00:541:34:207:124:48
7:02
-0:04
25K
15.53 mi12:18:121:51:387:1117:18
7:08
+0:06
30K
18.64 mi12:41:562:15:227:1623:44
7:38
+0:30
20M
20.00 mi12:52:252:25:517:1810:29
7:43
+0:05
21M
21.00 mi13:00:382:34:047:208:13
8:13
+0:30
35K
21.75 mi13:06:002:39:267:205:22
7:10
-1:03
23M
23.00 mi13:15:462:49:127:219:46
7:48
+0:38
24M
24.00 mi13:23:272:56:537:227:41
7:41
-0:07
40K
24.85 mi13:30:043:03:307:236:37
7:44
+0:03
25.2M
25.20 mi13:33:163:06:427:253:12
9:17
+1:33
Finish
26.22 mi13:41:113:14:377:267:55
7:46
-1:31

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

7:02 /mi

Average Pace

7:26 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:53

48% of race

Time at Steady Pace

1:29:19

46% of race

Time at Slower Pace

11:25

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 mi10:49:4123:077:2623:07
7:26
#11688
10K
6.21 mi11:12:0545:317:2022:24
7:13
#10540
15K
9.32 mi11:34:021:07:287:1421:57
7:04
#9639
20K
12.43 mi11:56:061:29:327:1222:04
7:06
#9026
Half
13.11 mi12:00:541:34:207:124:48
7:02
#8937
25K
15.53 mi12:18:121:51:387:1117:18
7:08
#8563
30K
18.64 mi12:41:562:15:227:1623:44
7:38
#8529
20M
20.00 mi12:52:252:25:517:1810:29
7:43
#8473
21M
21.00 mi13:00:382:34:047:208:13
8:13
#8436
35K
21.75 mi13:06:002:39:267:205:22
7:10
#8315
23M
23.00 mi13:15:462:49:127:219:46
7:48
#8272
24M
24.00 mi13:23:272:56:537:227:41
7:41
#8257
40K
24.85 mi13:30:043:03:307:236:37
7:44
#8224
25.2M
25.20 mi13:33:163:06:427:253:12
9:17
#8298
Finish
26.22 mi13:41:113:14:377:267:55
7:46
#8420
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi11688902990298078(Top 28%)6998(Top 43%)6998(Top 311%)
10K6.21 mi3.10 mi10540+11488440+5898440+5899565(Top 34%)7909(Top 49%)7909(Top 352%)
15K9.32 mi3.11 mi9639+9017946+4947946+4948078(Top 28%)6998(Top 43%)6998(Top 311%)
20K12.43 mi3.11 mi9026+6137578+3687578+3687526(Top 26%)6570(Top 41%)6570(Top 292%)
Half13.11 mi0.68 mi8937+897525+537525+537811(Top 27%)6773(Top 42%)6773(Top 301%)
25K15.53 mi2.42 mi8563+3747274+2517274+2517192(Top 25%)6251(Top 39%)6251(Top 278%)
30K18.64 mi3.11 mi8529+347196+787196+788736(Top 31%)6998(Top 43%)6998(Top 311%)
20M20.00 mi1.36 mi8473+567133+637133+638426(Top 30%)6681(Top 41%)6681(Top 297%)
21M21.00 mi1.00 mi8436+377070+637070+638666(Top 31%)6630(Top 41%)6630(Top 295%)
35K21.75 mi0.75 mi8315+1216980+906980+906450(Top 23%)5364(Top 33%)5364(Top 239%)
23M23.00 mi1.25 mi8272+436914+666914+668566(Top 30%)6473(Top 40%)6473(Top 288%)
24M24.00 mi1.00 mi8257+156866+486866+488990(Top 32%)6641(Top 41%)6641(Top 296%)
40K24.85 mi0.85 mi8224+336817+496817+498337(Top 29%)6175(Top 38%)6175(Top 275%)
25.2M25.20 mi0.35 mi8298-746840-236840-2313262(Top 47%)8568(Top 53%)8568(Top 381%)
Finish26.22 mi1.02 mi8420-1226887-476887-4711177(Top 39%)7595(Top 47%)7595(Top 338%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

8078

Males

6998

M40-44

6998

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9565

Males

7909

M40-44

7909

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

8078

Males

6998

M40-44

6998

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7526

Males

6570

M40-44

6570

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7811

Males

6773

M40-44

6773

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7192

Males

6251

M40-44

6251

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8736

Males

6998

M40-44

6998

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8426

Males

6681

M40-44

6681

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8666

Males

6630

M40-44

6630

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6450

Males

5364

M40-44

5364

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8566

Males

6473

M40-44

6473

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8990

Males

6641

M40-44

6641

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8337

Males

6175

M40-44

6175

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13262

Males

8568

M40-44

8568

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11177

Males

7595

M40-44

7595

Passing Analysis

Category:
Athletes Passed
4101*
Passed By
833
Net Change
+3268
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11688
5K → 10K116921+1148#11688#10540
10K → 15K902*1+901#10540#9639
15K → 20K6152+613#9639#9026
20K → Half967+89#9026#8937
Half → 25K38410+374#8937#8563
25K → 30K233199+34#8563#8529
30K → 20M11963+56#8529#8473
20M → 21M11275+37#8473#8436
21M → 35K1265+121#8436#8315
35K → 23M12885+43#8315#8272
23M → 24M8974+15#8272#8257
24M → 40K8148+33#8257#8224
40K → 25.2M1690-74#8224#8298
25.2M → Finish31153-122#8298#8420
TOTALS4101*833+3268

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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