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BOSTON MARATHON 2025

Volker Keim

Bib: 7179•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Masters (Masters Men)
#0 / 10463
Top 12%
Division (M55-59)
#0 / 1648
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #5458
Start → 5K
6:42/mi
20:49 split
10K· 6.21 mi
41:50
Rank: #5689 (-231)
5K → 10K
6:46/mi
21:01 split
15K· 9.32 mi
1:02:42
Rank: #5516 (+173)
10K → 15K
6:43/mi
20:52 split
20K· 12.43 mi
1:23:54
Rank: #5492 (+24)
15K → 20K
6:49/mi
21:12 split
Half· 13.11 mi
1:28:26
Rank: #5445 (+47)
20K → Half
6:39/mi
4:32 split
25K· 15.53 mi
1:44:59
Rank: #5350 (+95)
Half → 25K
6:50/mi
16:33 split
30K· 18.64 mi
2:07:08
Rank: #5336 (+14)
25K → 30K
7:08/mi
22:09 split
20M
2:16:50
Rank: #5287 (+49)
30K → 20M
7:08/mi
9:42 split
21M
2:24:20
Rank: #5221 (+66)
20M → 21M
7:30/mi
7:30 split
35K· 21.75 mi
2:29:16
Rank: #5100 (+121)
21M → 35K
6:36/mi
4:56 split
23M
2:37:49
Rank: #4889 (+211)
35K → 23M
6:50/mi
8:33 split
24M
2:44:36
Rank: #4786 (+103)
23M → 24M
6:47/mi
6:47 split
40K· 24.85 mi
2:50:25
Rank: #4674 (+112)
24M → 40K
6:48/mi
5:49 split
25.2M
2:52:56
Rank: #4622 (+52)
40K → 25.2M
7:18/mi
2:31 split
Finish· 26.22 mi
2:59:37
Rank: #4564 (+58)
25.2M → Finish
6:34/mi
6:41 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:26
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:31:11
Pace6:57 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2920:496:4220:49
6:42
-
10K
6.21 mi10:47:3041:506:4421:01
6:46
+0:04
15K
9.32 mi11:08:221:02:426:4420:52
6:43
-0:03
20K
12.43 mi11:29:341:23:546:4521:12
6:49
+0:06
Half
13.11 mi11:34:061:28:266:454:32
6:39
-0:10
25K
15.53 mi11:50:391:44:596:4516:33
6:50
+0:11
30K
18.64 mi12:12:482:07:086:4922:09
7:08
+0:18
20M
20.00 mi12:22:302:16:506:509:42
7:08
0:00
21M
21.00 mi12:30:002:24:206:527:30
7:30
+0:22
35K
21.75 mi12:34:562:29:166:524:56
6:36
-0:54
23M
23.00 mi12:43:292:37:496:528:33
6:50
+0:14
24M
24.00 mi12:50:162:44:366:526:47
6:47
-0:03
40K
24.85 mi12:56:052:50:256:515:49
6:48
+0:01
25.2M
25.20 mi12:58:362:52:566:522:31
7:18
+0:30
Finish
26.22 mi13:05:172:59:376:516:41
6:34
-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

6:34 /mi

Average Pace

6:51 /mi

Slowest Pace

7:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:36

94% of race

Time at Steady Pace

10:01

6% of race

Time at Slower Pace

0:00

0% 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 mi10:26:2920:496:4220:49
6:42
#5458
10K
6.21 mi10:47:3041:506:4421:01
6:46
#5689
15K
9.32 mi11:08:221:02:426:4420:52
6:43
#5516
20K
12.43 mi11:29:341:23:546:4521:12
6:49
#5492
Half
13.11 mi11:34:061:28:266:454:32
6:39
#5445
25K
15.53 mi11:50:391:44:596:4516:33
6:50
#5350
30K
18.64 mi12:12:482:07:086:4922:09
7:08
#5336
20M
20.00 mi12:22:302:16:506:509:42
7:08
#5287
21M
21.00 mi12:30:002:24:206:527:30
7:30
#5221
35K
21.75 mi12:34:562:29:166:524:56
6:36
#5100
23M
23.00 mi12:43:292:37:496:528:33
6:50
#4889
24M
24.00 mi12:50:162:44:366:526:47
6:47
#4786
40K
24.85 mi12:56:052:50:256:515:49
6:48
#4674
25.2M
25.20 mi12:58:362:52:566:522:31
7:18
#4622
Finish
26.22 mi13:05:172:59:376:516:41
6:34
#4564
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi5458506850685247(Top 18%)4853(Top 30%)4853(Top 294%)
10K6.21 mi3.10 mi5689-2315256-1885256-1886002(Top 21%)5488(Top 34%)5488(Top 333%)
15K9.32 mi3.11 mi5516+1735097+1595097+1595247(Top 18%)4853(Top 30%)4853(Top 294%)
20K12.43 mi3.11 mi5492+245065+325065+325540(Top 20%)5057(Top 31%)5057(Top 307%)
Half13.11 mi0.68 mi5445+475026+395026+394845(Top 17%)4505(Top 28%)4505(Top 273%)
25K15.53 mi2.42 mi5350+954929+974929+975079(Top 18%)4656(Top 29%)4656(Top 283%)
30K18.64 mi3.11 mi5336+144898+314898+315490(Top 19%)4930(Top 31%)4930(Top 299%)
20M20.00 mi1.36 mi5287+494846+524846+524882(Top 17%)4397(Top 27%)4397(Top 267%)
21M21.00 mi1.00 mi5221+664786+604786+604626(Top 16%)4096(Top 25%)4096(Top 249%)
35K21.75 mi0.75 mi5100+1214679+1074679+1072969(Top 10%)2741(Top 17%)2741(Top 166%)
23M23.00 mi1.25 mi4889+2114491+1884491+1882870(Top 10%)2632(Top 16%)2632(Top 160%)
24M24.00 mi1.00 mi4786+1034394+974394+973432(Top 12%)3087(Top 19%)3087(Top 187%)
40K24.85 mi0.85 mi4674+1124292+1024292+1022891(Top 10%)2617(Top 16%)2617(Top 159%)
25.2M25.20 mi0.35 mi4622+524245+474245+472587(Top 9%)2321(Top 14%)2321(Top 141%)
Finish26.22 mi1.02 mi4564+584185+604185+603119(Top 11%)2774(Top 17%)2774(Top 168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5247

Males

4853

M55-59

4853

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6002

Males

5488

M55-59

5488

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5247

Males

4853

M55-59

4853

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5540

Males

5057

M55-59

5057

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4845

Males

4505

M55-59

4505

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5079

Males

4656

M55-59

4656

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5490

Males

4930

M55-59

4930

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4882

Males

4397

M55-59

4397

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4626

Males

4096

M55-59

4096

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2969

Males

2741

M55-59

2741

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2870

Males

2632

M55-59

2632

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3432

Males

3087

M55-59

3087

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2891

Males

2617

M55-59

2617

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2587

Males

2321

M55-59

2321

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3119

Males

2774

M55-59

2774

Passing Analysis

Category:
Athletes Passed
1757
Passed By
863
Net Change
+894
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5458
5K → 10K89320-231#5458#5689
10K → 15K21845+173#5689#5516
15K → 20K132108+24#5516#5492
20K → Half6215+47#5492#5445
Half → 25K15560+95#5445#5350
25K → 30K177163+14#5350#5336
30K → 20M9950+49#5336#5287
20M → 21M11448+66#5287#5221
21M → 35K1243+121#5221#5100
35K → 23M2110+211#5100#4889
23M → 24M11512+103#4889#4786
24M → 40K12412+112#4786#4674
40K → 25.2M575+52#4674#4622
25.2M → Finish8022+58#4622#4564
TOTALS1757863+894
📊

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