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BOSTON MARATHON 2025

Anton Pecha

Bib: 29118•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
24:52
Rank: #16611
Start → 5K
8:00/mi
24:52 split
10K· 6.21 mi
50:02
Rank: #16915 (-304)
5K → 10K
8:06/mi
25:10 split
15K· 9.32 mi
1:15:31
Rank: #17099 (-184)
10K → 15K
8:12/mi
25:29 split
20K· 12.43 mi
1:41:20
Rank: #17062 (+37)
15K → 20K
8:19/mi
25:49 split
Half· 13.11 mi
1:46:52
Rank: #17025 (+37)
20K → Half
8:07/mi
5:32 split
25K· 15.53 mi
2:07:23
Rank: #16958 (+67)
Half → 25K
8:28/mi
20:31 split
30K· 18.64 mi
2:35:30
Rank: #17096 (-138)
25K → 30K
9:03/mi
28:07 split
20M
2:48:00
Rank: #17127 (-31)
30K → 20M
9:12/mi
12:30 split
21M
2:57:34
Rank: #17060 (+67)
20M → 21M
9:34/mi
9:34 split
35K· 21.75 mi
3:04:13
Rank: #17069 (-9)
21M → 35K
8:53/mi
6:39 split
23M
3:15:49
Rank: #17103 (-34)
35K → 23M
9:16/mi
11:36 split
24M
3:24:49
Rank: #17126 (-23)
23M → 24M
9:00/mi
9:00 split
40K· 24.85 mi
3:33:35
Rank: #17359 (-233)
24M → 40K
10:15/mi
8:46 split
25.2M
3:37:36
Rank: #17491 (-132)
40K → 25.2M
11:39/mi
4:01 split
Finish· 26.22 mi
3:46:52
Rank: #17561 (-70)
25.2M → Finish
9:06/mi
9:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:52
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time2:00:00
Pace9:09 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0824:528:0024:52
8:00
-
10K
6.21 mi12:08:1850:028:0325:10
8:06
+0:06
15K
9.32 mi12:33:471:15:318:0625:29
8:12
+0:06
20K
12.43 mi12:59:361:41:208:0925:49
8:19
+0:07
Half
13.11 mi13:05:081:46:528:095:32
8:07
-0:12
25K
15.53 mi13:25:392:07:238:1220:31
8:28
+0:21
30K
18.64 mi13:53:462:35:308:2128:07
9:03
+0:35
20M
20.00 mi14:06:162:48:008:2412:30
9:12
+0:09
21M
21.00 mi14:15:502:57:348:279:34
9:34
+0:22
35K
21.75 mi14:22:293:04:138:286:39
8:53
-0:41
23M
23.00 mi14:34:053:15:498:3111:36
9:16
+0:23
24M
24.00 mi14:43:053:24:498:329:00
9:00
-0:16
40K
24.85 mi14:51:513:33:358:368:46
10:15
+1:15
25.2M
25.20 mi14:55:523:37:368:384:01
11:39
+1:24
Finish
26.22 mi15:05:083:46:528:409:16
9:06
-2:33

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

8:00 /mi

Average Pace

8:40 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:23

56% of race

Time at Steady Pace

1:17:08

34% of race

Time at Slower Pace

22:21

10% of race

Average Pace: 8:39 /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 mi11:43:0824:528:0024:52
8:00
#16611
10K
6.21 mi12:08:1850:028:0325:10
8:06
#16915
15K
9.32 mi12:33:471:15:318:0625:29
8:12
#17099
20K
12.43 mi12:59:361:41:208:0925:49
8:19
#17062
Half
13.11 mi13:05:081:46:528:095:32
8:07
#17025
25K
15.53 mi13:25:392:07:238:1220:31
8:28
#16958
30K
18.64 mi13:53:462:35:308:2128:07
9:03
#17096
20M
20.00 mi14:06:162:48:008:2412:30
9:12
#17127
21M
21.00 mi14:15:502:57:348:279:34
9:34
#17060
35K
21.75 mi14:22:293:04:138:286:39
8:53
#17069
23M
23.00 mi14:34:053:15:498:3111:36
9:16
#17103
24M
24.00 mi14:43:053:24:498:329:00
9:00
#17126
40K
24.85 mi14:51:513:33:358:368:46
10:15
#17359
25.2M
25.20 mi14:55:523:37:368:384:01
11:39
#17491
Finish
26.22 mi15:05:083:46:528:409:16
9:06
#17561
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16611110401104017398(Top 61%)11393(Top 71%)11393(Top 202%)
10K6.21 mi3.10 mi16915-30411194-15411194-15417189(Top 61%)11325(Top 70%)11325(Top 201%)
15K9.32 mi3.11 mi17099-18411276-8211276-8217398(Top 61%)11393(Top 71%)11393(Top 202%)
20K12.43 mi3.11 mi17062+3711231+4511231+4516982(Top 60%)11171(Top 69%)11171(Top 198%)
Half13.11 mi0.68 mi17025+3711213+1811213+1816654(Top 59%)11049(Top 69%)11049(Top 196%)
25K15.53 mi2.42 mi16958+6711172+4111172+4116950(Top 60%)11080(Top 69%)11080(Top 196%)
30K18.64 mi3.11 mi17096-13811171+111171+117929(Top 63%)11338(Top 70%)11338(Top 201%)
20M20.00 mi1.36 mi17127-3111158+1311158+1317765(Top 63%)11146(Top 69%)11146(Top 198%)
21M21.00 mi1.00 mi17060+6711098+6011098+6016365(Top 58%)10415(Top 65%)10415(Top 185%)
35K21.75 mi0.75 mi17069-911073+2511073+2517676(Top 62%)10902(Top 68%)10902(Top 193%)
23M23.00 mi1.25 mi17103-3411058+1511058+1517613(Top 62%)10772(Top 67%)10772(Top 191%)
24M24.00 mi1.00 mi17126-2311054+411054+417351(Top 61%)10628(Top 66%)10628(Top 188%)
40K24.85 mi0.85 mi17359-23311121-6711121-6721222(Top 75%)12386(Top 77%)12386(Top 220%)
25.2M25.20 mi0.35 mi17491-13211159-3811159-3822399(Top 79%)12977(Top 81%)12977(Top 230%)
Finish26.22 mi1.02 mi17561-7011171-1211171-1219469(Top 69%)11562(Top 72%)11562(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17398

Males

11393

M18-39

11393

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17189

Males

11325

M18-39

11325

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17398

Males

11393

M18-39

11393

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16982

Males

11171

M18-39

11171

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16654

Males

11049

M18-39

11049

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16950

Males

11080

M18-39

11080

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17929

Males

11338

M18-39

11338

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17765

Males

11146

M18-39

11146

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16365

Males

10415

M18-39

10415

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17676

Males

10902

M18-39

10902

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17613

Males

10772

M18-39

10772

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17351

Males

10628

M18-39

10628

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21222

Males

12386

M18-39

12386

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22399

Males

12977

M18-39

12977

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19469

Males

11562

M18-39

11562

Passing Analysis

Category:
Athletes Passed
1490
Passed By
2440
Net Change
-950
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16611
5K → 10K176480-304#16611#16915
10K → 15K144328-184#16915#17099
15K → 20K212175+37#17099#17062
20K → Half5417+37#17062#17025
Half → 25K179112+67#17025#16958
25K → 30K183321-138#16958#17096
30K → 20M84115-31#17096#17127
20M → 21M14477+67#17127#17060
21M → 35K6675-9#17060#17069
35K → 23M101135-34#17069#17103
23M → 24M7598-23#17103#17126
24M → 40K27260-233#17126#17359
40K → 25.2M6138-132#17359#17491
25.2M → Finish39109-70#17491#17561
TOTALS14902440-950
📊

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