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BOSTON MARATHON 2026

Karsten Schlegel

Bib: 31138•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
27:53
3.11 mi
Rank: #22539
Start → 5K
27:53 | 8:59/mi
10K
55:55
6.21 mi
Rank: #22738 (-199)
5K → 10K
28:02 | 9:02/mi
15K
1:23:41
9.32 mi
Rank: #22634 (+104)
10K → 15K
27:46 | 8:57/mi
20K
1:51:24
12.43 mi
Rank: #22320 (+314)
15K → 20K
27:43 | 8:56/mi
HALF
1:57:23
13.11 mi
Rank: #22285 (+35)
20K → HALF
5:59 | 8:47/mi
25K
2:19:18
15.53 mi
Rank: #22096 (+189)
HALF → 25K
21:55 | 9:03/mi
30K
2:48:19
18.64 mi
Rank: #21896 (+200)
25K → 30K
29:01 | 9:21/mi
20M
3:01:24
20.00 mi
Rank: #21853 (+43)
30K → 20M
13:05 | 9:38/mi
21M
3:11:56
21.00 mi
Rank: #21859 (-6)
20M → 21M
10:32 | 10:32/mi
35K
3:19:01
21.75 mi
Rank: #21854 (+5)
21M → 35K
7:05 | 9:29/mi
23M
3:31:14
23.00 mi
Rank: #21863 (-9)
35K → 23M
12:13 | 9:46/mi
24M
3:40:50
24.00 mi
Rank: #21886 (-23)
23M → 24M
9:36 | 9:36/mi
40K
3:49:41
24.85 mi
Rank: #21949 (-63)
24M → 40K
8:51 | 10:22/mi
25.2M
3:53:35
25.20 mi
Rank: #21966 (-17)
40K → 25.2M
3:54 | 11:19/mi
FINISH
4:03:13
26.22 mi
Rank: #21971 (-5)
25.2M → FINISH
9:38 | 9:28/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:57:23
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:05:50
Pace9:36 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:1627:538:5927:53
8:59
-
10K
6.21 mi12:27:1855:559:0028:02
9:02
+0:03
15K
9.32 mi12:55:041:23:418:5927:46
8:57
-0:05
20K
12.43 mi13:22:471:51:248:5827:43
8:56
-0:01
HALF
13.11 mi13:28:461:57:238:585:59
8:47
-0:09
25K
15.53 mi13:50:412:19:188:5921:55
9:03
+0:16
30K
18.64 mi14:19:422:48:199:0229:01
9:21
+0:18
20M
20.00 mi14:32:473:01:249:0513:05
9:38
+0:17
21M
21.00 mi14:43:193:11:569:0910:32
10:32
+0:54
35K
21.75 mi14:50:243:19:019:107:05
9:29
-1:03
23M
23.00 mi15:02:373:31:149:1212:13
9:46
+0:17
24M
24.00 mi15:12:133:40:509:139:36
9:36
-0:10
40K
24.85 mi15:21:043:49:419:158:51
10:22
+0:46
25.2M
25.20 mi15:24:583:53:359:173:54
11:19
+0:57
FINISH
26.22 mi15:34:364:03:139:179:38
9:28
-1:51

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:47 /mi

Average Pace

9:17 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:19:18

57% of race

Time at Steady Pace

1:20:38

33% of race

Time at Slower Pace

23:17

10% of race

Average Pace: 9:17 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:59:1627:538:5927:53
8:59
#22539
10K
6.21 mi12:27:1855:559:0028:02
9:02
#22738
15K
9.32 mi12:55:041:23:418:5927:46
8:57
#22634
20K
12.43 mi13:22:471:51:248:5827:43
8:56
#22320
HALF
13.11 mi13:28:461:57:238:585:59
8:47
#22285
25K
15.53 mi13:50:412:19:188:5921:55
9:03
#22096
30K
18.64 mi14:19:422:48:199:0229:01
9:21
#21896
20M
20.00 mi14:32:473:01:249:0513:05
9:38
#21853
21M
21.00 mi14:43:193:11:569:0910:32
10:32
#21859
35K
21.75 mi14:50:243:19:019:107:05
9:29
#21854
23M
23.00 mi15:02:373:31:149:1212:13
9:46
#21863
24M
24.00 mi15:12:133:40:509:139:36
9:36
#21886
40K
24.85 mi15:21:043:49:419:158:51
10:22
#21949
25.2M
25.20 mi15:24:583:53:359:173:54
11:19
#21966
FINISH
26.22 mi15:34:364:03:139:179:38
9:28
#21971
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22539134991349922381(Top 77%)13470(Top 82%)13470(Top 721%)
10K6.21 mi3.10 mi22738-19913617-11813617-11822926(Top 79%)13716(Top 84%)13716(Top 734%)
15K9.32 mi3.11 mi22634+10413568+4913568+4922381(Top 77%)13470(Top 82%)13470(Top 721%)
20K12.43 mi3.11 mi22320+31413413+15513413+15521560(Top 74%)13035(Top 80%)13035(Top 698%)
HALF13.11 mi0.68 mi22285+3513390+2313390+2321673(Top 75%)13115(Top 80%)13115(Top 702%)
25K15.53 mi2.42 mi22096+18913297+9313297+9321347(Top 74%)12919(Top 79%)12919(Top 692%)
30K18.64 mi3.11 mi21896+20013176+12113176+12121098(Top 73%)12708(Top 78%)12708(Top 680%)
20M20.00 mi1.36 mi21853+4313140+3613140+3621509(Top 74%)12822(Top 78%)12822(Top 686%)
21M21.00 mi1.00 mi21859-613128+1213128+1222039(Top 76%)13044(Top 80%)13044(Top 698%)
35K21.75 mi0.75 mi21854+513117+1113117+1121662(Top 75%)12805(Top 78%)12805(Top 685%)
23M23.00 mi1.25 mi21863-913100+1713100+1721440(Top 74%)12650(Top 77%)12650(Top 677%)
24M24.00 mi1.00 mi21886-23131001310021655(Top 75%)12699(Top 78%)12699(Top 680%)
40K24.85 mi0.85 mi21949-6313128-2813128-2822840(Top 79%)13231(Top 81%)13231(Top 708%)
25.2M25.20 mi0.35 mi21966-1713124+413124+423076(Top 80%)13333(Top 82%)13333(Top 714%)
FINISH26.22 mi1.02 mi21971-513118+613118+622190(Top 76%)12945(Top 79%)12945(Top 693%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22381

Males

13470

M50-54

13470

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

22926

Males

13716

M50-54

13716

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22381

Males

13470

M50-54

13470

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21560

Males

13035

M50-54

13035

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21673

Males

13115

M50-54

13115

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21347

Males

12919

M50-54

12919

25K→30K

15.5 - 18.6 mi

Top 73%
×9
+181ft-148ft

Overall

21098

Males

12708

M50-54

12708

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21509

Males

12822

M50-54

12822

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22039

Males

13044

M50-54

13044

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21662

Males

12805

M50-54

12805

35K→23M

21.8 - 23.0 mi

Top 74%
×5
+23ft-63ft

Overall

21440

Males

12650

M50-54

12650

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21655

Males

12699

M50-54

12699

24M→40K

24.0 - 24.9 mi

Top 79%
×1
+6ft-20ft

Overall

22840

Males

13231

M50-54

13231

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23076

Males

13333

M50-54

13333

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

22190

Males

12945

M50-54

12945

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1712*
Passed By
970
Net Change
+568
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22539
5K → 10K175200-199#22539#22738
10K → 15K214*110+104#22738#22634
15K → 20K350*36+314#22634#22320
20K → HALF4914+35#22320#22285
HALF → 25K235*46+189#22285#22096
25K → 30K265*65+200#22096#21896
30K → 20M10158+43#21896#21853
20M → 21M8086-6#21853#21859
21M → 35K4742+5#21859#21854
35K → 23M7786-9#21854#21863
23M → 24M4467-23#21863#21886
24M → 40K2386-63#21886#21949
40K → 25.2M1734-17#21949#21966
25.2M → FINISH3540-5#21966#21971
TOTALS1712*970+568

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing