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BOSTON MARATHON 2025

Klaus Feurstein

Bib: 29236•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:40
Rank: #23312
Start → 5K
28:40 | 9:14/mi
10K· 6.21 mi
56:55
Rank: #23057 (+255)
5K → 10K
28:15 | 9:06/mi
15K· 9.32 mi
1:25:04
Rank: #22810 (+247)
10K → 15K
28:09 | 9:04/mi
20K· 12.43 mi
1:53:38
Rank: #22544 (+266)
15K → 20K
28:34 | 9:12/mi
Half· 13.11 mi
1:59:48
Rank: #22519 (+25)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:21:48
Rank: #22141 (+378)
Half → 25K
22:00 | 9:04/mi
30K· 18.64 mi
2:51:12
Rank: #21681 (+460)
25K → 30K
29:24 | 9:28/mi
20M
3:04:20
Rank: #21540 (+141)
30K → 20M
13:08 | 9:40/mi
21M
3:14:53
Rank: #21438 (+102)
20M → 21M
10:33 | 10:33/mi
35K· 21.75 mi
3:22:12
Rank: #21455 (-17)
21M → 35K
7:19 | 9:47/mi
23M
3:34:48
Rank: #21388 (+67)
35K → 23M
12:36 | 10:04/mi
24M
3:44:46
Rank: #21374 (+14)
23M → 24M
9:58 | 9:58/mi
40K· 24.85 mi
3:53:39
Rank: #21386 (-12)
24M → 40K
8:53 | 10:23/mi
25.2M
3:57:34
Rank: #21384 (+2)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:07:28
Rank: #21399 (-15)
25.2M → Finish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:48
Pace9:08 /mi
2nd Half
Distance13.11 mi
Time2:07:40
Pace9:44 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2828:409:1428:40
9:14
-
10K
6.21 mi12:19:4356:559:1028:15
9:06
-0:08
15K
9.32 mi12:47:521:25:049:0828:09
9:04
-0:02
20K
12.43 mi13:16:261:53:389:0928:34
9:12
+0:08
Half
13.11 mi13:22:361:59:489:086:10
9:02
-0:10
25K
15.53 mi13:44:362:21:489:0822:00
9:04
+0:02
30K
18.64 mi14:14:002:51:129:1129:24
9:28
+0:24
20M
20.00 mi14:27:083:04:209:1313:08
9:40
+0:12
21M
21.00 mi14:37:413:14:539:1710:33
10:33
+0:53
35K
21.75 mi14:45:003:22:129:187:19
9:47
-0:46
23M
23.00 mi14:57:363:34:489:2012:36
10:04
+0:17
24M
24.00 mi15:07:343:44:469:229:58
9:58
-0:06
40K
24.85 mi15:16:273:53:399:248:53
10:23
+0:25
25.2M
25.20 mi15:20:223:57:349:263:55
11:21
+0:58
Finish
26.22 mi15:30:164:07:289:279:54
9:43
-1:38

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

9:02 /mi

Average Pace

9:27 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:48

57% of race

Time at Steady Pace

1:09:43

28% of race

Time at Slower Pace

35:57

15% of race

Average Pace: 9:26 /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 mi11:51:2828:409:1428:40
9:14
#23312
10K
6.21 mi12:19:4356:559:1028:15
9:06
#23057
15K
9.32 mi12:47:521:25:049:0828:09
9:04
#22810
20K
12.43 mi13:16:261:53:389:0928:34
9:12
#22544
Half
13.11 mi13:22:361:59:489:086:10
9:02
#22519
25K
15.53 mi13:44:362:21:489:0822:00
9:04
#22141
30K
18.64 mi14:14:002:51:129:1129:24
9:28
#21681
20M
20.00 mi14:27:083:04:209:1313:08
9:40
#21540
21M
21.00 mi14:37:413:14:539:1710:33
10:33
#21438
35K
21.75 mi14:45:003:22:129:187:19
9:47
#21455
23M
23.00 mi14:57:363:34:489:2012:36
10:04
#21388
24M
24.00 mi15:07:343:44:469:229:58
9:58
#21374
40K
24.85 mi15:16:273:53:399:248:53
10:23
#21386
25.2M
25.20 mi15:20:223:57:349:263:55
11:21
#21384
Finish
26.22 mi15:30:164:07:289:279:54
9:43
#21399
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23312139111391122289(Top 78%)13511(Top 84%)13511(Top 677%)
10K6.21 mi3.10 mi23057+25513813+9813813+9822783(Top 80%)13708(Top 85%)13708(Top 687%)
15K9.32 mi3.11 mi22810+24713732+8113732+8122289(Top 78%)13511(Top 84%)13511(Top 677%)
20K12.43 mi3.11 mi22544+26613601+13113601+13121869(Top 77%)13292(Top 83%)13292(Top 666%)
Half13.11 mi0.68 mi22519+2513584+1713584+1721956(Top 77%)13315(Top 83%)13315(Top 667%)
25K15.53 mi2.42 mi22141+37813403+18113403+18120238(Top 71%)12518(Top 78%)12518(Top 627%)
30K18.64 mi3.11 mi21681+46013174+22913174+22919794(Top 70%)12200(Top 76%)12200(Top 611%)
20M20.00 mi1.36 mi21540+14113094+8013094+8019821(Top 70%)12087(Top 75%)12087(Top 606%)
21M21.00 mi1.00 mi21438+10213025+6913025+6920165(Top 71%)12113(Top 75%)12113(Top 607%)
35K21.75 mi0.75 mi21455-1713018+713018+721260(Top 75%)12558(Top 78%)12558(Top 629%)
23M23.00 mi1.25 mi21388+6712960+5812960+5820684(Top 73%)12237(Top 76%)12237(Top 613%)
24M24.00 mi1.00 mi21374+1412940+2012940+2021253(Top 75%)12469(Top 77%)12469(Top 625%)
40K24.85 mi0.85 mi21386-1212917+2312917+2321612(Top 76%)12566(Top 78%)12566(Top 630%)
25.2M25.20 mi0.35 mi21384+212909+812909+821658(Top 76%)12615(Top 78%)12615(Top 632%)
Finish26.22 mi1.02 mi21399-1512899+1012899+1021965(Top 77%)12770(Top 79%)12770(Top 640%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22289

Males

13511

M50-54

13511

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

22783

Males

13708

M50-54

13708

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22289

Males

13511

M50-54

13511

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21869

Males

13292

M50-54

13292

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21956

Males

13315

M50-54

13315

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20238

Males

12518

M50-54

12518

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19794

Males

12200

M50-54

12200

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19821

Males

12087

M50-54

12087

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20165

Males

12113

M50-54

12113

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21260

Males

12558

M50-54

12558

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20684

Males

12237

M50-54

12237

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21253

Males

12469

M50-54

12469

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21612

Males

12566

M50-54

12566

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21658

Males

12615

M50-54

12615

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21965

Males

12770

M50-54

12770

Passing Analysis

Category:
Athletes Passed
2596
Passed By
683
Net Change
+1913
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23312
5K → 10K377122+255#23312#23057
10K → 15K30861+247#23057#22810
15K → 20K32458+266#22810#22544
20K → Half4621+25#22544#22519
Half → 25K39315+378#22519#22141
25K → 30K48626+460#22141#21681
30K → 20M17029+141#21681#21540
20M → 21M13432+102#21540#21438
21M → 35K4764-17#21438#21455
35K → 23M12861+67#21455#21388
23M → 24M6248+14#21388#21374
24M → 40K5466-12#21374#21386
40K → 25.2M2624+2#21386#21384
25.2M → Finish4156-15#21384#21399
TOTALS2596683+1913
📊

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