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BOSTON MARATHON 2025

John Gortakowski

Bib: 8916•M

VT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 25%
Masters (Masters Men)
#0 / 10463
Top 11%
Division (M40-44)
#0 / 2247
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #6202
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
41:43
Rank: #5509 (+693)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:31
Rank: #5314 (+195)
10K → 15K
20:48 | 6:42/mi
20K· 12.43 mi
1:23:23
Rank: #5084 (+230)
15K → 20K
20:52 | 6:43/mi
Half· 13.11 mi
1:27:52
Rank: #5021 (+63)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:16
Rank: #4910 (+111)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:05:58
Rank: #4809 (+101)
25K → 30K
21:42 | 6:59/mi
20M
2:15:32
Rank: #4755 (+54)
30K → 20M
9:34 | 7:02/mi
21M
2:22:53
Rank: #4639 (+116)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:27:54
Rank: #4565 (+74)
21M → 35K
5:01 | 6:42/mi
23M
2:36:43
Rank: #4488 (+77)
35K → 23M
8:49 | 7:03/mi
24M
2:43:35
Rank: #4436 (+52)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:49:33
Rank: #4393 (+43)
24M → 40K
5:58 | 6:59/mi
25.2M
2:52:10
Rank: #4372 (+21)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:59:12
Rank: #4417 (-45)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:52
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:31:20
Pace6:58 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3721:056:4721:05
6:47
-
10K
6.21 mi11:07:1541:436:4320:38
6:38
-0:09
15K
9.32 mi11:28:031:02:316:4220:48
6:42
+0:04
20K
12.43 mi11:48:551:23:236:4320:52
6:43
+0:01
Half
13.11 mi11:53:241:27:526:424:29
6:34
-0:09
25K
15.53 mi12:09:481:44:166:4316:24
6:46
+0:12
30K
18.64 mi12:31:302:05:586:4521:42
6:59
+0:13
20M
20.00 mi12:41:042:15:326:479:34
7:02
+0:03
21M
21.00 mi12:48:252:22:536:487:21
7:21
+0:19
35K
21.75 mi12:53:262:27:546:485:01
6:42
-0:39
23M
23.00 mi13:02:152:36:436:498:49
7:03
+0:21
24M
24.00 mi13:09:072:43:356:496:52
6:52
-0:11
40K
24.85 mi13:15:052:49:336:495:58
6:59
+0:07
25.2M
25.20 mi13:17:422:52:106:502:37
7:35
+0:36
Finish
26.22 mi13:24:442:59:126:507:02
6:54
-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

6:34 /mi

Average Pace

6:50 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:14

94% of race

Time at Steady Pace

9:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:46:3721:056:4721:05
6:47
#6202
10K
6.21 mi11:07:1541:436:4320:38
6:38
#5509
15K
9.32 mi11:28:031:02:316:4220:48
6:42
#5314
20K
12.43 mi11:48:551:23:236:4320:52
6:43
#5084
Half
13.11 mi11:53:241:27:526:424:29
6:34
#5021
25K
15.53 mi12:09:481:44:166:4316:24
6:46
#4910
30K
18.64 mi12:31:302:05:586:4521:42
6:59
#4809
20M
20.00 mi12:41:042:15:326:479:34
7:02
#4755
21M
21.00 mi12:48:252:22:536:487:21
7:21
#4639
35K
21.75 mi12:53:262:27:546:485:01
6:42
#4565
23M
23.00 mi13:02:152:36:436:498:49
7:03
#4488
24M
24.00 mi13:09:072:43:356:496:52
6:52
#4436
40K
24.85 mi13:15:052:49:336:495:58
6:59
#4393
25.2M
25.20 mi13:17:422:52:106:502:37
7:35
#4372
Finish
26.22 mi13:24:442:59:126:507:02
6:54
#4417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6202568256825033(Top 18%)4678(Top 29%)4678(Top 208%)
10K6.21 mi3.10 mi5509+6935093+5895093+5894803(Top 17%)4493(Top 28%)4493(Top 200%)
15K9.32 mi3.11 mi5314+1954929+1644929+1645033(Top 18%)4678(Top 29%)4678(Top 208%)
20K12.43 mi3.11 mi5084+2304726+2034726+2034588(Top 16%)4266(Top 26%)4266(Top 190%)
Half13.11 mi0.68 mi5021+634668+584668+584217(Top 15%)3956(Top 25%)3956(Top 176%)
25K15.53 mi2.42 mi4910+1114562+1064562+1064601(Top 16%)4246(Top 26%)4246(Top 189%)
30K18.64 mi3.11 mi4809+1014451+1114451+1114606(Top 16%)4203(Top 26%)4203(Top 187%)
20M20.00 mi1.36 mi4755+544404+474404+474353(Top 15%)3968(Top 25%)3968(Top 177%)
21M21.00 mi1.00 mi4639+1164301+1034301+1033880(Top 14%)3530(Top 22%)3530(Top 157%)
35K21.75 mi0.75 mi4565+744230+714230+713582(Top 13%)3255(Top 20%)3255(Top 145%)
23M23.00 mi1.25 mi4488+774147+834147+834027(Top 14%)3597(Top 22%)3597(Top 160%)
24M24.00 mi1.00 mi4436+524092+554092+553919(Top 14%)3472(Top 22%)3472(Top 155%)
40K24.85 mi0.85 mi4393+434046+464046+463781(Top 13%)3326(Top 21%)3326(Top 148%)
25.2M25.20 mi0.35 mi4372+214025+214025+213846(Top 14%)3328(Top 21%)3328(Top 148%)
Finish26.22 mi1.02 mi4417-454057-324057-325098(Top 18%)4186(Top 26%)4186(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5033

Males

4678

M40-44

4678

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4803

Males

4493

M40-44

4493

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5033

Males

4678

M40-44

4678

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4588

Males

4266

M40-44

4266

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4217

Males

3956

M40-44

3956

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4601

Males

4246

M40-44

4246

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4606

Males

4203

M40-44

4203

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4353

Males

3968

M40-44

3968

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3880

Males

3530

M40-44

3530

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3582

Males

3255

M40-44

3255

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4027

Males

3597

M40-44

3597

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3919

Males

3472

M40-44

3472

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3781

Males

3326

M40-44

3326

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3846

Males

3328

M40-44

3328

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5098

Males

4186

M40-44

4186

Passing Analysis

Category:
Athletes Passed
2259
Passed By
474
Net Change
+1785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6202
5K → 10K7018+693#6202#5509
10K → 15K23843+195#5509#5314
15K → 20K25828+230#5314#5084
20K → Half696+63#5084#5021
Half → 25K15241+111#5021#4910
25K → 30K209108+101#4910#4809
30K → 20M9844+54#4809#4755
20M → 21M13418+116#4755#4639
21M → 35K828+74#4639#4565
35K → 23M11134+77#4565#4488
23M → 24M7725+52#4488#4436
24M → 40K6522+43#4436#4393
40K → 25.2M3514+21#4393#4372
25.2M → Finish3075-45#4372#4417
TOTALS2259474+1785
📊

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