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BOSTON MARATHON 2025

Michael Radermacher

Bib: 3516•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
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
20:44
Rank: #5214
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
41:22
Rank: #4987 (+227)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:05
Rank: #4883 (+104)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:22:53
Rank: #4729 (+154)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:27:23
Rank: #4697 (+32)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:45
Rank: #4615 (+82)
Half → 25K
16:22 | 6:45/mi
30K· 18.64 mi
2:05:19
Rank: #4511 (+104)
25K → 30K
21:34 | 6:56/mi
20M
2:14:48
Rank: #4434 (+77)
30K → 20M
9:29 | 6:59/mi
21M
2:22:12
Rank: #4378 (+56)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:27:23
Rank: #4381 (-3)
21M → 35K
5:11 | 6:56/mi
23M
2:36:24
Rank: #4387 (-6)
35K → 23M
9:01 | 7:12/mi
24M
2:43:31
Rank: #4416 (-29)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:49:40
Rank: #4433 (-17)
24M → 40K
6:09 | 7:12/mi
25.2M
2:52:23
Rank: #4438 (-5)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:59:25
Rank: #4500 (-62)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:32:02
Pace7:01 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5720:446:4020:44
6:40
-
10K
6.21 mi10:43:3541:226:3920:38
6:38
-0:02
15K
9.32 mi11:04:181:02:056:4020:43
6:40
+0:02
20K
12.43 mi11:25:061:22:536:4020:48
6:42
+0:02
Half
13.11 mi11:29:361:27:236:404:30
6:36
-0:06
25K
15.53 mi11:45:581:43:456:4116:22
6:45
+0:09
30K
18.64 mi12:07:322:05:196:4321:34
6:56
+0:11
20M
20.00 mi12:17:012:14:486:449:29
6:59
+0:03
21M
21.00 mi12:24:252:22:126:467:24
7:24
+0:25
35K
21.75 mi12:29:362:27:236:475:11
6:56
-0:28
23M
23.00 mi12:38:372:36:246:489:01
7:12
+0:16
24M
24.00 mi12:45:442:43:316:497:07
7:07
-0:05
40K
24.85 mi12:51:532:49:406:506:09
7:12
+0:05
25.2M
25.20 mi12:54:362:52:236:502:43
7:53
+0:41
Finish
26.22 mi13:01:382:59:256:517:02
6:54
-0:59

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

6:36 /mi

Average Pace

6:51 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:18

94% of race

Time at Steady Pace

7:24

4% of race

Time at Slower Pace

2:43

2% of race

Average Pace: 6:51 /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 mi10:22:5720:446:4020:44
6:40
#5214
10K
6.21 mi10:43:3541:226:3920:38
6:38
#4987
15K
9.32 mi11:04:181:02:056:4020:43
6:40
#4883
20K
12.43 mi11:25:061:22:536:4020:48
6:42
#4729
Half
13.11 mi11:29:361:27:236:404:30
6:36
#4697
25K
15.53 mi11:45:581:43:456:4116:22
6:45
#4615
30K
18.64 mi12:07:322:05:196:4321:34
6:56
#4511
20M
20.00 mi12:17:012:14:486:449:29
6:59
#4434
21M
21.00 mi12:24:252:22:126:467:24
7:24
#4378
35K
21.75 mi12:29:362:27:236:475:11
6:56
#4381
23M
23.00 mi12:38:372:36:246:489:01
7:12
#4387
24M
24.00 mi12:45:442:43:316:497:07
7:07
#4416
40K
24.85 mi12:51:532:49:406:506:09
7:12
#4433
25.2M
25.20 mi12:54:362:52:236:502:43
7:53
#4438
Finish
26.22 mi13:01:382:59:256:517:02
6:54
#4500
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5214485648564803(Top 17%)4484(Top 28%)4484(Top 79%)
10K6.21 mi3.10 mi4987+2274651+2054651+2054804(Top 17%)4494(Top 28%)4494(Top 80%)
15K9.32 mi3.11 mi4883+1044560+914560+914803(Top 17%)4484(Top 28%)4484(Top 79%)
20K12.43 mi3.11 mi4729+1544415+1454415+1454392(Top 15%)4106(Top 25%)4106(Top 73%)
Half13.11 mi0.68 mi4697+324386+294386+294413(Top 16%)4135(Top 26%)4135(Top 73%)
25K15.53 mi2.42 mi4615+824307+794307+794505(Top 16%)4165(Top 26%)4165(Top 74%)
30K18.64 mi3.11 mi4511+1044208+994208+994352(Top 15%)3987(Top 25%)3987(Top 71%)
20M20.00 mi1.36 mi4434+774131+774131+773999(Top 14%)3667(Top 23%)3667(Top 65%)
21M21.00 mi1.00 mi4378+564067+644067+644127(Top 15%)3725(Top 23%)3725(Top 66%)
35K21.75 mi0.75 mi4381-34064+34064+34925(Top 17%)4337(Top 27%)4337(Top 77%)
23M23.00 mi1.25 mi4387-64061+34061+34883(Top 17%)4234(Top 26%)4234(Top 75%)
24M24.00 mi1.00 mi4416-294076-154076-155302(Top 19%)4469(Top 28%)4469(Top 79%)
40K24.85 mi0.85 mi4433-174083-74083-75009(Top 18%)4219(Top 26%)4219(Top 75%)
25.2M25.20 mi0.35 mi4438-54078+54078+55283(Top 19%)4304(Top 27%)4304(Top 76%)
Finish26.22 mi1.02 mi4500-624127-494127-495099(Top 18%)4187(Top 26%)4187(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4803

Males

4484

M18-39

4484

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4804

Males

4494

M18-39

4494

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4803

Males

4484

M18-39

4484

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4392

Males

4106

M18-39

4106

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4413

Males

4135

M18-39

4135

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4505

Males

4165

M18-39

4165

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4352

Males

3987

M18-39

3987

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3999

Males

3667

M18-39

3667

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4127

Males

3725

M18-39

3725

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4925

Males

4337

M18-39

4337

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4883

Males

4234

M18-39

4234

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5302

Males

4469

M18-39

4469

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5009

Males

4219

M18-39

4219

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5283

Males

4304

M18-39

4304

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5099

Males

4187

M18-39

4187

Passing Analysis

Category:
Athletes Passed
1510
Passed By
796
Net Change
+714
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5214
5K → 10K31386+227#5214#4987
10K → 15K16460+104#4987#4883
15K → 20K20551+154#4883#4729
20K → Half408+32#4729#4697
Half → 25K14058+82#4697#4615
25K → 30K19288+104#4615#4511
30K → 20M10831+77#4511#4434
20M → 21M10347+56#4434#4378
21M → 35K4245-3#4378#4381
35K → 23M6571-6#4381#4387
23M → 24M4170-29#4387#4416
24M → 40K4360-17#4416#4433
40K → 25.2M2227-5#4433#4438
25.2M → Finish3294-62#4438#4500
TOTALS1510796+714
📊

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