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BOSTON MARATHON 2025

Jeremy Zglobicki

Bib: 4650•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #3926
Start → 5K
20:14 | 6:31/mi
10K· 6.21 mi
40:24
Rank: #3792 (+134)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
59:58
Rank: #3227 (+565)
10K → 15K
19:34 | 6:18/mi
20K· 12.43 mi
1:19:53
Rank: #3029 (+198)
15K → 20K
19:55 | 6:25/mi
Half· 13.11 mi
1:24:14
Rank: #3034 (-5)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:45
Rank: #2876 (+158)
Half → 25K
15:31 | 6:24/mi
30K· 18.64 mi
2:00:43
Rank: #2894 (-18)
25K → 30K
20:58 | 6:45/mi
20M
2:09:56
Rank: #2852 (+42)
30K → 20M
9:13 | 6:47/mi
21M
2:17:04
Rank: #2820 (+32)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:21:51
Rank: #2773 (+47)
21M → 35K
4:47 | 6:24/mi
23M
2:30:16
Rank: #2705 (+68)
35K → 23M
8:25 | 6:43/mi
24M
2:36:46
Rank: #2628 (+77)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:42:15
Rank: #2541 (+87)
24M → 40K
5:29 | 6:25/mi
25.2M
2:44:41
Rank: #2516 (+25)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:51:07
Rank: #2462 (+54)
25.2M → Finish
6:26 | 6:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:14
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:26:53
Pace6:38 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0820:146:3120:14
6:31
-
10K
6.21 mi10:44:1840:246:3020:10
6:29
-0:02
15K
9.32 mi11:03:5259:586:2619:34
6:18
-0:11
20K
12.43 mi11:23:471:19:536:2619:55
6:25
+0:07
Half
13.11 mi11:28:081:24:146:264:21
6:23
-0:02
25K
15.53 mi11:43:391:39:456:2515:31
6:24
+0:01
30K
18.64 mi12:04:372:00:436:2920:58
6:45
+0:21
20M
20.00 mi12:13:502:09:566:309:13
6:47
+0:02
21M
21.00 mi12:20:582:17:046:327:08
7:08
+0:21
35K
21.75 mi12:25:452:21:516:314:47
6:24
-0:44
23M
23.00 mi12:34:102:30:166:328:25
6:43
+0:19
24M
24.00 mi12:40:402:36:466:326:30
6:30
-0:13
40K
24.85 mi12:46:092:42:156:325:29
6:25
-0:05
25.2M
25.20 mi12:48:352:44:416:322:26
7:03
+0:38
Finish
26.22 mi12:55:012:51:076:326:26
6:19
-0:44

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

6:18 /mi

Average Pace

6:32 /mi

Slowest Pace

7:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:33

94% of race

Time at Steady Pace

9:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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 mi10:24:0820:146:3120:14
6:31
#3926
10K
6.21 mi10:44:1840:246:3020:10
6:29
#3792
15K
9.32 mi11:03:5259:586:2619:34
6:18
#3227
20K
12.43 mi11:23:471:19:536:2619:55
6:25
#3029
Half
13.11 mi11:28:081:24:146:264:21
6:23
#3034
25K
15.53 mi11:43:391:39:456:2515:31
6:24
#2876
30K
18.64 mi12:04:372:00:436:2920:58
6:45
#2894
20M
20.00 mi12:13:502:09:566:309:13
6:47
#2852
21M
21.00 mi12:20:582:17:046:327:08
7:08
#2820
35K
21.75 mi12:25:452:21:516:314:47
6:24
#2773
23M
23.00 mi12:34:102:30:166:328:25
6:43
#2705
24M
24.00 mi12:40:402:36:466:326:30
6:30
#2628
40K
24.85 mi12:46:092:42:156:325:29
6:25
#2541
25.2M
25.20 mi12:48:352:44:416:322:26
7:03
#2516
Finish
26.22 mi12:55:012:51:076:326:26
6:19
#2462
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3926371637162328(Top 8%)2221(Top 14%)2221(Top 39%)
10K6.21 mi3.10 mi3792+1343585+1313585+1313657(Top 13%)3456(Top 21%)3456(Top 61%)
15K9.32 mi3.11 mi3227+5653068+5173068+5172328(Top 8%)2221(Top 14%)2221(Top 39%)
20K12.43 mi3.11 mi3029+1982887+1812887+1812588(Top 9%)2468(Top 15%)2468(Top 44%)
Half13.11 mi0.68 mi3034-52893-62893-62952(Top 10%)2819(Top 18%)2819(Top 50%)
25K15.53 mi2.42 mi2876+1582742+1512742+1512376(Top 8%)2261(Top 14%)2261(Top 40%)
30K18.64 mi3.11 mi2894-182756-142756-143139(Top 11%)2946(Top 18%)2946(Top 52%)
20M20.00 mi1.36 mi2852+422716+402716+402839(Top 10%)2655(Top 16%)2655(Top 47%)
21M21.00 mi1.00 mi2820+322685+312685+312836(Top 10%)2630(Top 16%)2630(Top 47%)
35K21.75 mi0.75 mi2773+472638+472638+472023(Top 7%)1897(Top 12%)1897(Top 34%)
23M23.00 mi1.25 mi2705+682570+682570+682357(Top 8%)2195(Top 14%)2195(Top 39%)
24M24.00 mi1.00 mi2628+772495+752495+752068(Top 7%)1921(Top 12%)1921(Top 34%)
40K24.85 mi0.85 mi2541+872410+852410+851325(Top 5%)1232(Top 8%)1232(Top 22%)
25.2M25.20 mi0.35 mi2516+252387+232387+231695(Top 6%)1552(Top 10%)1552(Top 28%)
Finish26.22 mi1.02 mi2462+542333+542333+541965(Top 7%)1809(Top 11%)1809(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2328

Males

2221

M18-39

2221

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3657

Males

3456

M18-39

3456

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2328

Males

2221

M18-39

2221

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2588

Males

2468

M18-39

2468

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2952

Males

2819

M18-39

2819

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2376

Males

2261

M18-39

2261

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3139

Males

2946

M18-39

2946

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2839

Males

2655

M18-39

2655

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2836

Males

2630

M18-39

2630

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2023

Males

1897

M18-39

1897

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2357

Males

2195

M18-39

2195

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2068

Males

1921

M18-39

1921

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1325

Males

1232

M18-39

1232

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1695

Males

1552

M18-39

1552

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1965

Males

1809

M18-39

1809

Passing Analysis

Category:
Athletes Passed
1813
Passed By
349
Net Change
+1464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3926
5K → 10K21884+134#3926#3792
10K → 15K5650+565#3792#3227
15K → 20K2035+198#3227#3029
20K → Half1419-5#3029#3034
Half → 25K1668+158#3034#2876
25K → 30K108126-18#2876#2894
30K → 20M7129+42#2894#2852
20M → 21M6533+32#2852#2820
21M → 35K558+47#2820#2773
35K → 23M8214+68#2773#2705
23M → 24M8710+77#2705#2628
24M → 40K892+87#2628#2541
40K → 25.2M261+25#2541#2516
25.2M → Finish6410+54#2516#2462
TOTALS1813349+1464
📊

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