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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

BOSTON MARATHON 2026

Klaus Wellstein

Bib: 18858 •M •Age: N/A

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Gender (Male)

#0 / 16340

Masters (Masters Men)

#0 / 10617

Age Group (M55-59)

#0 / 1491

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

Start

0:00:00

Race begins

24:14

3.11 mi

Rank: #15397

Start → 5K

24:14 | 7:48/mi

24:14

3.11 mi

Rank: #15397

Start → 5K

24:14 | 7:48/mi

10K

48:32

6.21 mi

Rank: #15585 (-188)

5K → 10K

24:18 | 7:50/mi

10K

48:32

6.21 mi

Rank: #15585 (-188)

5K → 10K

24:18 | 7:50/mi

15K

1:13:03

9.32 mi

Rank: #15735 (-150)

10K → 15K

24:31 | 7:54/mi

15K

1:13:03

9.32 mi

Rank: #15735 (-150)

10K → 15K

24:31 | 7:54/mi

20K

1:37:56

12.43 mi

Rank: #15835 (-100)

15K → 20K

24:53 | 8:01/mi

20K

1:37:56

12.43 mi

Rank: #15835 (-100)

15K → 20K

24:53 | 8:01/mi

HALF

1:43:23

13.11 mi

Rank: #15906 (-71)

20K → HALF

5:27 | 8:00/mi

HALF

1:43:23

13.11 mi

Rank: #15906 (-71)

20K → HALF

5:27 | 8:00/mi

25K

2:03:02

15.53 mi

Rank: #15939 (-33)

HALF → 25K

19:39 | 8:07/mi

25K

2:03:02

15.53 mi

Rank: #15939 (-33)

HALF → 25K

19:39 | 8:07/mi

30K

2:30:52

18.64 mi

Rank: #16667 (-728)

25K → 30K

27:50 | 8:58/mi

30K

2:30:52

18.64 mi

Rank: #16667 (-728)

25K → 30K

27:50 | 8:58/mi

20M

2:43:54

20.00 mi

Rank: #17106 (-439)

30K → 20M

13:02 | 9:36/mi

20M

2:43:54

20.00 mi

Rank: #17106 (-439)

30K → 20M

13:02 | 9:36/mi

21M

2:54:55

21.00 mi

Rank: #17655 (-549)

20M → 21M

11:01 | 11:01/mi

21M

2:54:55

21.00 mi

Rank: #17655 (-549)

20M → 21M

11:01 | 11:01/mi

35K

3:03:14

21.75 mi

Rank: #18188 (-533)

21M → 35K

8:19 | 11:07/mi

35K

3:03:14

21.75 mi

Rank: #18188 (-533)

21M → 35K

8:19 | 11:07/mi

23M

3:15:11

23.00 mi

Rank: #18377 (-189)

35K → 23M

11:57 | 9:33/mi

23M

3:15:11

23.00 mi

Rank: #18377 (-189)

35K → 23M

11:57 | 9:33/mi

24M

3:24:58

24.00 mi

Rank: #18597 (-220)

23M → 24M

9:47 | 9:47/mi

24M

3:24:58

24.00 mi

Rank: #18597 (-220)

23M → 24M

9:47 | 9:47/mi

40K

3:33:33

24.85 mi

Rank: #18792 (-195)

24M → 40K

8:35 | 10:03/mi

40K

3:33:33

24.85 mi

Rank: #18792 (-195)

24M → 40K

8:35 | 10:03/mi

25.2M

3:37:07

25.20 mi

Rank: #18826 (-34)

40K → 25.2M

3:34 | 10:21/mi

25.2M

3:37:07

25.20 mi

Rank: #18826 (-34)

40K → 25.2M

3:34 | 10:21/mi

FINISH

3:46:40

26.22 mi

Rank: #19002 (-176)

25.2M → FINISH

9:33 | 9:23/mi

FINISH

3:46:40

26.22 mi

Rank: #19002 (-176)

25.2M → FINISH

9:33 | 9:23/mi

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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:43:23

Pace7:54 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:03:17

Pace9:25 /mi

📊Positive Split: 19.2% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:07:44	24:14	7:48	24:14	7:48	-
10K	6.21 mi	11:32:02	48:32	7:49	24:18	7:50	+0:02
15K	9.32 mi	11:56:33	1:13:03	7:51	24:31	7:54	+0:04
20K	12.43 mi	12:21:26	1:37:56	7:53	24:53	8:01	+0:07
HALF	13.11 mi	12:26:53	1:43:23	7:54	5:27	8:00	-0:01
25K	15.53 mi	12:46:32	2:03:02	7:56	19:39	8:07	+0:07
30K	18.64 mi	13:14:22	2:30:52	8:06	27:50	8:58	+0:51
20M	20.00 mi	13:27:24	2:43:54	8:12	13:02	9:36	+0:38
21M	21.00 mi	13:38:25	2:54:55	8:20	11:01	11:01	+1:25
35K	21.75 mi	13:46:44	3:03:14	8:26	8:19	11:07	+0:06
23M	23.00 mi	13:58:41	3:15:11	8:30	11:57	9:33	-1:34
24M	24.00 mi	14:08:28	3:24:58	8:33	9:47	9:47	+0:14
40K	24.85 mi	14:17:03	3:33:33	8:36	8:35	10:03	+0:16
25.2M	25.20 mi	14:20:37	3:37:07	8:37	3:34	10:21	+0:18
FINISH	26.22 mi	14:30:10	3:46:40	8:40	9:33	9:23	-0:58

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

7:48 /mi

Average Pace

8:39 /mi

Slowest Pace

11:07 /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

2:03:02

54% of race

Time at Steady Pace

1:12:09

32% of race

Time at Slower Pace

31:29

14% of race

Average Pace: 8:39 /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.

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

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:07:44	24:14	7:48	24:14	7:48	#15397
10K	6.21 mi	11:32:02	48:32	7:49	24:18	7:50	#15585
15K	9.32 mi	11:56:33	1:13:03	7:51	24:31	7:54	#15735
20K	12.43 mi	12:21:26	1:37:56	7:53	24:53	8:01	#15835
HALF	13.11 mi	12:26:53	1:43:23	7:54	5:27	8:00	#15906
25K	15.53 mi	12:46:32	2:03:02	7:56	19:39	8:07	#15939
30K	18.64 mi	13:14:22	2:30:52	8:06	27:50	8:58	#16667
20M	20.00 mi	13:27:24	2:43:54	8:12	13:02	9:36	#17106
21M	21.00 mi	13:38:25	2:54:55	8:20	11:01	11:01	#17655
35K	21.75 mi	13:46:44	3:03:14	8:26	8:19	11:07	#18188
23M	23.00 mi	13:58:41	3:15:11	8:30	11:57	9:33	#18377
24M	24.00 mi	14:08:28	3:24:58	8:33	9:47	9:47	#18597
40K	24.85 mi	14:17:03	3:33:33	8:36	8:35	10:03	#18792
25.2M	25.20 mi	14:20:37	3:37:07	8:37	3:34	10:21	#18826
FINISH	26.22 mi	14:30:10	3:46:40	8:40	9:33	9:23	#19002

Faster pace

Steady pace

Slower pace

Rankings

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

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	3.11 mi	15397	10407	10407	16112(Top 56%)	10643(Top 65%)	10643(Top 714%)
10K	6.21 mi	3.10 mi	15585-188	10448-41	10448-41	15824(Top 55%)	10552(Top 65%)	10552(Top 708%)
15K	9.32 mi	3.11 mi	15735-150	10495-47	10495-47	16112(Top 56%)	10643(Top 65%)	10643(Top 714%)
20K	12.43 mi	3.11 mi	15835-100	10516-21	10516-21	16186(Top 56%)	10634(Top 65%)	10634(Top 713%)
HALF	13.11 mi	0.68 mi	15906-71	10541-25	10541-25	17072(Top 59%)	11057(Top 68%)	11057(Top 742%)
25K	15.53 mi	2.42 mi	15939-33	10541	10541	16137(Top 56%)	10573(Top 65%)	10573(Top 709%)
30K	18.64 mi	3.11 mi	16667-728	10809-268	10809-268	19377(Top 67%)	11879(Top 73%)	11879(Top 797%)
20M	20.00 mi	1.36 mi	17106-439	10998-189	10998-189	21398(Top 74%)	12760(Top 78%)	12760(Top 856%)
21M	21.00 mi	1.00 mi	17655-549	11211-213	11211-213	23128(Top 80%)	13542(Top 83%)	13542(Top 908%)
35K	21.75 mi	0.75 mi	18188-533	11417-206	11417-206	25444(Top 88%)	14596(Top 89%)	14596(Top 979%)
23M	23.00 mi	1.25 mi	18377-189	11481-64	11481-64	20735(Top 71%)	12330(Top 75%)	12330(Top 827%)
24M	24.00 mi	1.00 mi	18597-220	11558-77	11558-77	22184(Top 76%)	12960(Top 79%)	12960(Top 869%)
40K	24.85 mi	0.85 mi	18792-195	11621-63	11621-63	22023(Top 76%)	12825(Top 78%)	12825(Top 860%)
25.2M	25.20 mi	0.35 mi	18826-34	11634-13	11634-13	20530(Top 71%)	12104(Top 74%)	12104(Top 812%)
FINISH	26.22 mi	1.02 mi	19002-176	11692-58	11692-58	21900(Top 75%)	12803(Top 78%)	12803(Top 859%)

12803

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

856

Passed By

2503

Net Change

-3605

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#15397
5K → 10K	200	200	-188	#15397	#15585
10K → 15K	145	200	-150	#15585	#15735
15K → 20K	145	200	-100	#15735	#15835
20K → HALF	18	89	-71	#15835	#15906
HALF → 25K	132	165	-33	#15906	#15939
25K → 30K	62	200	-728	#15939	#16667
30K → 20M	7	200	-439	#16667	#17106
20M → 21M	12	200	-549	#17106	#17655
21M → 35K	4	200	-533	#17655	#18188
35K → 23M	49	200	-189	#18188	#18377
23M → 24M	23	200	-220	#18377	#18597
24M → 40K	17	200	-195	#18597	#18792
40K → 25.2M	15	49	-34	#18792	#18826
25.2M → FINISH	27	200	-176	#18826	#19002
TOTALS	856	2503	-3605

📊

Passing Analysis Visualizations

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

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Activity Data

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Results processed 3 months ago

Public Race Data

Klaus Wellstein

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

AI Performance Report

Understand What Really Happened During Your Race

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→HALF

HALF→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→FINISH

Passing

Passing Analysis

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Activity Data

Export & Support

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management