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BOSTON MARATHON 2025

Jack Potrykus

Bib: 4018•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 25%
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
19:52
Rank: #3093
Start → 5K
19:52 | 6:24/mi
10K· 6.21 mi
40:09
Rank: #3495 (-402)
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:00:41
Rank: #3770 (-275)
10K → 15K
20:32 | 6:37/mi
20K· 12.43 mi
1:21:31
Rank: #3882 (-112)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:26:02
Rank: #3900 (-18)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:42:29
Rank: #3975 (-75)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:05:04
Rank: #4387 (-412)
25K → 30K
22:35 | 7:16/mi
20M
2:14:38
Rank: #4355 (+32)
30K → 20M
9:34 | 7:02/mi
21M
2:22:05
Rank: #4323 (+32)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:27:08
Rank: #4289 (+34)
21M → 35K
5:03 | 6:45/mi
23M
2:36:04
Rank: #4269 (+20)
35K → 23M
8:56 | 7:08/mi
24M
2:43:02
Rank: #4253 (+16)
23M → 24M
6:58 | 6:58/mi
40K· 24.85 mi
2:49:05
Rank: #4236 (+17)
24M → 40K
6:03 | 7:05/mi
25.2M
2:51:41
Rank: #4217 (+19)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:58:53
Rank: #4312 (-95)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:02
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:32:51
Pace7:05 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4419:526:2419:52
6:24
-
10K
6.21 mi10:43:0140:096:2820:17
6:32
+0:08
15K
9.32 mi11:03:331:00:416:3120:32
6:37
+0:05
20K
12.43 mi11:24:231:21:316:3420:50
6:42
+0:05
Half
13.11 mi11:28:541:26:026:344:31
6:37
-0:05
25K
15.53 mi11:45:211:42:296:3616:27
6:47
+0:10
30K
18.64 mi12:07:562:05:046:4322:35
7:16
+0:29
20M
20.00 mi12:17:302:14:386:449:34
7:02
-0:14
21M
21.00 mi12:24:572:22:056:467:27
7:27
+0:25
35K
21.75 mi12:30:002:27:086:465:03
6:45
-0:42
23M
23.00 mi12:38:562:36:046:478:56
7:08
+0:23
24M
24.00 mi12:45:542:43:026:486:58
6:58
-0:10
40K
24.85 mi12:51:572:49:056:486:03
7:05
+0:07
25.2M
25.20 mi12:54:332:51:416:492:36
7:32
+0:27
Finish
26.22 mi13:01:452:58:536:507:12
7:04
-0:28

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

6:24 /mi

Average Pace

6:50 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:04

69% of race

Time at Steady Pace

54:49

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:22:4419:526:2419:52
6:24
#3093
10K
6.21 mi10:43:0140:096:2820:17
6:32
#3495
15K
9.32 mi11:03:331:00:416:3120:32
6:37
#3770
20K
12.43 mi11:24:231:21:316:3420:50
6:42
#3882
Half
13.11 mi11:28:541:26:026:344:31
6:37
#3900
25K
15.53 mi11:45:211:42:296:3616:27
6:47
#3975
30K
18.64 mi12:07:562:05:046:4322:35
7:16
#4387
20M
20.00 mi12:17:302:14:386:449:34
7:02
#4355
21M
21.00 mi12:24:572:22:056:467:27
7:27
#4323
35K
21.75 mi12:30:002:27:086:465:03
6:45
#4289
23M
23.00 mi12:38:562:36:046:478:56
7:08
#4269
24M
24.00 mi12:45:542:43:026:486:58
6:58
#4253
40K
24.85 mi12:51:572:49:056:486:03
7:05
#4236
25.2M
25.20 mi12:54:332:51:416:492:36
7:32
#4217
Finish
26.22 mi13:01:452:58:536:507:12
7:04
#4312
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3093293829384306(Top 15%)4044(Top 25%)4044(Top 72%)
10K6.21 mi3.10 mi3495-4023317-3793317-3793941(Top 14%)3712(Top 23%)3712(Top 66%)
15K9.32 mi3.11 mi3770-2753563-2463563-2464306(Top 15%)4044(Top 25%)4044(Top 72%)
20K12.43 mi3.11 mi3882-1123658-953658-954491(Top 16%)4186(Top 26%)4186(Top 74%)
Half13.11 mi0.68 mi3900-183674-163674-164615(Top 16%)4308(Top 27%)4308(Top 76%)
25K15.53 mi2.42 mi3975-753741-673741-674760(Top 17%)4383(Top 27%)4383(Top 78%)
30K18.64 mi3.11 mi4387-4124101-3604101-3606275(Top 22%)5504(Top 34%)5504(Top 98%)
20M20.00 mi1.36 mi4355+324064+374064+374348(Top 15%)3963(Top 25%)3963(Top 70%)
21M21.00 mi1.00 mi4323+324023+414023+414365(Top 15%)3909(Top 24%)3909(Top 69%)
35K21.75 mi0.75 mi4289+343988+353988+353838(Top 14%)3460(Top 21%)3460(Top 61%)
23M23.00 mi1.25 mi4269+203963+253963+254519(Top 16%)3970(Top 25%)3970(Top 70%)
24M24.00 mi1.00 mi4253+163934+293934+294444(Top 16%)3865(Top 24%)3865(Top 69%)
40K24.85 mi0.85 mi4236+173912+223912+224345(Top 15%)3743(Top 23%)3743(Top 66%)
25.2M25.20 mi0.35 mi4217+193893+193893+193607(Top 13%)3151(Top 20%)3151(Top 56%)
Finish26.22 mi1.02 mi4312-953967-743967-746145(Top 22%)4821(Top 30%)4821(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4306

Males

4044

M18-39

4044

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3941

Males

3712

M18-39

3712

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4306

Males

4044

M18-39

4044

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4491

Males

4186

M18-39

4186

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4615

Males

4308

M18-39

4308

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4760

Males

4383

M18-39

4383

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6275

Males

5504

M18-39

5504

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4348

Males

3963

M18-39

3963

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4365

Males

3909

M18-39

3909

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3838

Males

3460

M18-39

3460

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4519

Males

3970

M18-39

3970

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4444

Males

3865

M18-39

3865

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4345

Males

3743

M18-39

3743

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3607

Males

3151

M18-39

3151

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6145

Males

4821

M18-39

4821

Passing Analysis

Category:
Athletes Passed
708
Passed By
1927
Net Change
-1219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3093
5K → 10K27429-402#3093#3495
10K → 15K34309-275#3495#3770
15K → 20K64176-112#3770#3882
20K → Half523-18#3882#3900
Half → 25K56131-75#3900#3975
25K → 30K57469-412#3975#4387
30K → 20M8553+32#4387#4355
20M → 21M8654+32#4355#4323
21M → 35K5824+34#4323#4289
35K → 23M7454+20#4289#4269
23M → 24M6448+16#4269#4253
24M → 40K4932+17#4253#4236
40K → 25.2M3112+19#4236#4217
25.2M → Finish18113-95#4217#4312
TOTALS7081927-1219
📊

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