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BOSTON MARATHON 2025

Andrew Potocek

Bib: 2634•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:20
Rank: #1988
Start → 5K
6:13/mi
19:20 split
10K· 6.21 mi
38:34
Rank: #1907 (+81)
5K → 10K
6:11/mi
19:14 split
15K· 9.32 mi
58:33
Rank: #2265 (-358)
10K → 15K
6:26/mi
19:59 split
20K· 12.43 mi
1:18:51
Rank: #2519 (-254)
15K → 20K
6:32/mi
20:18 split
Half· 13.11 mi
1:23:15
Rank: #2562 (-43)
20K → Half
6:27/mi
4:24 split
25K· 15.53 mi
1:39:20
Rank: #2708 (-146)
Half → 25K
6:38/mi
16:05 split
30K· 18.64 mi
2:00:36
Rank: #2848 (-140)
25K → 30K
6:51/mi
21:16 split
20M
2:10:07
Rank: #2910 (-62)
30K → 20M
7:00/mi
9:31 split
21M
2:17:39
Rank: #2978 (-68)
20M → 21M
7:32/mi
7:32 split
35K· 21.75 mi
2:22:44
Rank: #2976 (+2)
21M → 35K
6:48/mi
5:05 split
23M
2:31:36
Rank: #2986 (-10)
35K → 23M
7:05/mi
8:52 split
24M
2:38:35
Rank: #3026 (-40)
23M → 24M
6:59/mi
6:59 split
40K· 24.85 mi
2:44:37
Rank: #3033 (-7)
24M → 40K
7:03/mi
6:02 split
25.2M
2:47:16
Rank: #3029 (+4)
40K → 25.2M
7:41/mi
2:39 split
Finish· 26.22 mi
2:54:24
Rank: #3090 (-61)
25.2M → Finish
7:00/mi
7:08 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:15
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:31:09
Pace6:57 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3319:206:1319:20
6:13
-
10K
6.21 mi10:39:4738:346:1219:14
6:11
-0:02
15K
9.32 mi10:59:4658:336:1719:59
6:26
+0:15
20K
12.43 mi11:20:041:18:516:2120:18
6:32
+0:06
Half
13.11 mi11:24:281:23:156:214:24
6:27
-0:05
25K
15.53 mi11:40:331:39:206:2416:05
6:38
+0:11
30K
18.64 mi12:01:492:00:366:2821:16
6:51
+0:13
20M
20.00 mi12:11:202:10:076:309:31
7:00
+0:09
21M
21.00 mi12:18:522:17:396:337:32
7:32
+0:32
35K
21.75 mi12:23:572:22:446:345:05
6:48
-0:44
23M
23.00 mi12:32:492:31:366:358:52
7:05
+0:17
24M
24.00 mi12:39:482:38:356:366:59
6:59
-0:06
40K
24.85 mi12:45:502:44:376:376:02
7:03
+0:04
25.2M
25.20 mi12:48:292:47:166:382:39
7:41
+0:38
Finish
26.22 mi12:55:372:54:246:397:08
7:00
-0:41

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

6:11 /mi

Average Pace

6:39 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:20

57% of race

Time at Steady Pace

56:01

32% of race

Time at Slower Pace

19:03

11% of race

Average Pace: 6:39 /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 mi10:20:3319:206:1319:20
6:13
#1988
10K
6.21 mi10:39:4738:346:1219:14
6:11
#1907
15K
9.32 mi10:59:4658:336:1719:59
6:26
#2265
20K
12.43 mi11:20:041:18:516:2120:18
6:32
#2519
Half
13.11 mi11:24:281:23:156:214:24
6:27
#2562
25K
15.53 mi11:40:331:39:206:2416:05
6:38
#2708
30K
18.64 mi12:01:492:00:366:2821:16
6:51
#2848
20M
20.00 mi12:11:202:10:076:309:31
7:00
#2910
21M
21.00 mi12:18:522:17:396:337:32
7:32
#2978
35K
21.75 mi12:23:572:22:446:345:05
6:48
#2976
23M
23.00 mi12:32:492:31:366:358:52
7:05
#2986
24M
24.00 mi12:39:482:38:356:366:59
6:59
#3026
40K
24.85 mi12:45:502:44:376:376:02
7:03
#3033
25.2M
25.20 mi12:48:292:47:166:382:39
7:41
#3029
Finish
26.22 mi12:55:372:54:246:397:08
7:00
#3090
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1988189118913130(Top 11%)2979(Top 18%)2979(Top 53%)
10K6.21 mi3.10 mi1907+811816+751816+751866(Top 7%)1773(Top 11%)1773(Top 31%)
15K9.32 mi3.11 mi2265-3582162-3462162-3463130(Top 11%)2979(Top 18%)2979(Top 53%)
20K12.43 mi3.11 mi2519-2542403-2412403-2413303(Top 12%)3128(Top 19%)3128(Top 55%)
Half13.11 mi0.68 mi2562-432448-452448-453344(Top 12%)3170(Top 20%)3170(Top 56%)
25K15.53 mi2.42 mi2708-1462584-1362584-1363658(Top 13%)3437(Top 21%)3437(Top 61%)
30K18.64 mi3.11 mi2848-1402712-1282712-1283700(Top 13%)3422(Top 21%)3422(Top 61%)
20M20.00 mi1.36 mi2910-622769-572769-574090(Top 14%)3743(Top 23%)3743(Top 66%)
21M21.00 mi1.00 mi2978-682826-572826-574742(Top 17%)4176(Top 26%)4176(Top 74%)
35K21.75 mi0.75 mi2976+22819+72819+74028(Top 14%)3603(Top 22%)3603(Top 64%)
23M23.00 mi1.25 mi2986-102824-52824-54205(Top 15%)3734(Top 23%)3734(Top 66%)
24M24.00 mi1.00 mi3026-402862-382862-384501(Top 16%)3894(Top 24%)3894(Top 69%)
40K24.85 mi0.85 mi3033-72863-12863-14184(Top 15%)3621(Top 22%)3621(Top 64%)
25.2M25.20 mi0.35 mi3029+42857+62857+64183(Top 15%)3539(Top 22%)3539(Top 63%)
Finish26.22 mi1.02 mi3090-612911-542911-545683(Top 20%)4520(Top 28%)4520(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3130

Males

2979

M18-39

2979

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1866

Males

1773

M18-39

1773

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3130

Males

2979

M18-39

2979

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3303

Males

3128

M18-39

3128

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3344

Males

3170

M18-39

3170

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3658

Males

3437

M18-39

3437

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3700

Males

3422

M18-39

3422

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

4090

Males

3743

M18-39

3743

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4742

Males

4176

M18-39

4176

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

4028

Males

3603

M18-39

3603

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4205

Males

3734

M18-39

3734

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4501

Males

3894

M18-39

3894

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4184

Males

3621

M18-39

3621

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4183

Males

3539

M18-39

3539

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5683

Males

4520

M18-39

4520

Passing Analysis

Category:
Athletes Passed
556
Passed By
1658
Net Change
-1102
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1988
5K → 10K15675+81#1988#1907
10K → 15K11369-358#1907#2265
15K → 20K25279-254#2265#2519
20K → Half750-43#2519#2562
Half → 25K29175-146#2562#2708
25K → 30K63203-140#2708#2848
30K → 20M43105-62#2848#2910
20M → 21M2290-68#2910#2978
21M → 35K3735+2#2978#2976
35K → 23M5767-10#2976#2986
23M → 24M2565-40#2986#3026
24M → 40K3845-7#3026#3033
40K → 25.2M2420+4#3033#3029
25.2M → Finish1980-61#3029#3090
TOTALS5561658-1102
📊

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