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BOSTON MARATHON 2025

Brandon Radzom

Bib: 3067•M

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
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
20:47
Rank: #5339
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
41:48
Rank: #5631 (-292)
5K → 10K
21:01 | 6:46/mi
15K· 9.32 mi
1:02:56
Rank: #5717 (-86)
10K → 15K
21:08 | 6:48/mi
20K· 12.43 mi
1:24:03
Rank: #5605 (+112)
15K → 20K
21:07 | 6:48/mi
Half· 13.11 mi
1:28:41
Rank: #5624 (-19)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:08
Rank: #6001 (-377)
Half → 25K
17:27 | 7:12/mi
30K· 18.64 mi
2:07:36
Rank: #5554 (+447)
25K → 30K
21:28 | 6:55/mi
20M
2:17:05
Rank: #5392 (+162)
30K → 20M
9:29 | 6:59/mi
21M
2:24:29
Rank: #5270 (+122)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:29:33
Rank: #5197 (+73)
21M → 35K
5:04 | 6:46/mi
23M
2:38:27
Rank: #5110 (+87)
35K → 23M
8:54 | 7:06/mi
24M
2:45:19
Rank: #5039 (+71)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:51:18
Rank: #4966 (+73)
24M → 40K
5:59 | 7:00/mi
25.2M
2:53:53
Rank: #4917 (+49)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:00:35
Rank: #4817 (+100)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:41
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:31:54
Pace7:01 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4720:476:4120:47
6:41
-
10K
6.21 mi10:44:4841:486:4421:01
6:46
+0:05
15K
9.32 mi11:05:561:02:566:4521:08
6:48
+0:02
20K
12.43 mi11:27:031:24:036:4621:07
6:48
0:00
Half
13.11 mi11:31:411:28:416:464:38
6:47
-0:01
25K
15.53 mi11:49:081:46:086:5017:27
7:12
+0:25
30K
18.64 mi12:10:362:07:366:5121:28
6:55
-0:17
20M
20.00 mi12:20:052:17:056:519:29
6:59
+0:04
21M
21.00 mi12:27:292:24:296:537:24
7:24
+0:25
35K
21.75 mi12:32:332:29:336:535:04
6:46
-0:38
23M
23.00 mi12:41:272:38:276:538:54
7:06
+0:20
24M
24.00 mi12:48:192:45:196:536:52
6:52
-0:14
40K
24.85 mi12:54:182:51:186:545:59
7:00
+0:08
25.2M
25.20 mi12:56:532:53:536:542:35
7:29
+0:29
Finish
26.22 mi13:03:353:00:356:546:42
6:34
-0:55

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

6:54 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:36

94% of race

Time at Steady Pace

9:59

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:23:4720:476:4120:47
6:41
#5339
10K
6.21 mi10:44:4841:486:4421:01
6:46
#5631
15K
9.32 mi11:05:561:02:566:4521:08
6:48
#5717
20K
12.43 mi11:27:031:24:036:4621:07
6:48
#5605
Half
13.11 mi11:31:411:28:416:464:38
6:47
#5624
25K
15.53 mi11:49:081:46:086:5017:27
7:12
#6001
30K
18.64 mi12:10:362:07:366:5121:28
6:55
#5554
20M
20.00 mi12:20:052:17:056:519:29
6:59
#5392
21M
21.00 mi12:27:292:24:296:537:24
7:24
#5270
35K
21.75 mi12:32:332:29:336:535:04
6:46
#5197
23M
23.00 mi12:41:272:38:276:538:54
7:06
#5110
24M
24.00 mi12:48:192:45:196:536:52
6:52
#5039
40K
24.85 mi12:54:182:51:186:545:59
7:00
#4966
25.2M
25.20 mi12:56:532:53:536:542:35
7:29
#4917
Finish
26.22 mi13:03:353:00:356:546:42
6:34
#4817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5339496349636087(Top 21%)5527(Top 34%)5527(Top 98%)
10K6.21 mi3.10 mi5631-2925203-2405203-2405991(Top 21%)5477(Top 34%)5477(Top 97%)
15K9.32 mi3.11 mi5717-865263-605263-606087(Top 21%)5527(Top 34%)5527(Top 98%)
20K12.43 mi3.11 mi5605+1125154+1095154+1095249(Top 18%)4824(Top 30%)4824(Top 86%)
Half13.11 mi0.68 mi5624-195168-145168-145990(Top 21%)5411(Top 34%)5411(Top 96%)
25K15.53 mi2.42 mi6001-3775459-2915459-2917558(Top 27%)6474(Top 40%)6474(Top 115%)
30K18.64 mi3.11 mi5554+4475081+3785081+3784134(Top 15%)3801(Top 24%)3801(Top 67%)
20M20.00 mi1.36 mi5392+1624938+1434938+1433981(Top 14%)3649(Top 23%)3649(Top 65%)
21M21.00 mi1.00 mi5270+1224824+1144824+1144105(Top 14%)3703(Top 23%)3703(Top 66%)
35K21.75 mi0.75 mi5197+734761+634761+633925(Top 14%)3525(Top 22%)3525(Top 62%)
23M23.00 mi1.25 mi5110+874675+864675+864370(Top 15%)3858(Top 24%)3858(Top 68%)
24M24.00 mi1.00 mi5039+714606+694606+693891(Top 14%)3444(Top 21%)3444(Top 61%)
40K24.85 mi0.85 mi4966+734535+714535+713870(Top 14%)3389(Top 21%)3389(Top 60%)
25.2M25.20 mi0.35 mi4917+494488+474488+473335(Top 12%)2925(Top 18%)2925(Top 52%)
Finish26.22 mi1.02 mi4817+1004400+884400+883193(Top 11%)2825(Top 18%)2825(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6087

Males

5527

M18-39

5527

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5991

Males

5477

M18-39

5477

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6087

Males

5527

M18-39

5527

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5249

Males

4824

M18-39

4824

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5990

Males

5411

M18-39

5411

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7558

Males

6474

M18-39

6474

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4134

Males

3801

M18-39

3801

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3981

Males

3649

M18-39

3649

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

4105

Males

3703

M18-39

3703

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3925

Males

3525

M18-39

3525

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4370

Males

3858

M18-39

3858

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3891

Males

3444

M18-39

3444

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3870

Males

3389

M18-39

3389

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3335

Males

2925

M18-39

2925

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3193

Males

2825

M18-39

2825

Passing Analysis

Category:
Athletes Passed
1758
Passed By
1236
Net Change
+522
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5339
5K → 10K76368-292#5339#5631
10K → 15K100186-86#5631#5717
15K → 20K18775+112#5717#5605
20K → Half1635-19#5605#5624
Half → 25K61438-377#5624#6001
25K → 30K46013+447#6001#5554
30K → 20M1697+162#5554#5392
20M → 21M14624+122#5392#5270
21M → 35K8310+73#5270#5197
35K → 23M12437+87#5197#5110
23M → 24M8918+71#5110#5039
24M → 40K8613+73#5039#4966
40K → 25.2M523+49#4966#4917
25.2M → Finish1099+100#4917#4817
TOTALS17581236+522
📊

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