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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Karl-Rudolf Erlemann

Bib: 12136 •M •Age: N/A

QC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 40%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 42%
Age Group (M50-54)
#0 / 1868
Top 46%
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
22:29
3.11 mi
Rank: #10499
Start → 5K
22:29 | 7:15/mi
10K
45:10
6.21 mi
Rank: #10808 (-309)
5K → 10K
22:41 | 7:19/mi
15K
1:07:56
9.32 mi
Rank: #10931 (-123)
10K → 15K
22:46 | 7:20/mi
20K
1:30:54
12.43 mi
Rank: #10970 (-39)
15K → 20K
22:58 | 7:24/mi
HALF
1:35:56
13.11 mi
Rank: #11024 (-54)
20K → HALF
5:02 | 7:24/mi
25K
1:54:17
15.53 mi
Rank: #11148 (-124)
HALF → 25K
18:21 | 7:34/mi
30K
2:18:55
18.64 mi
Rank: #11482 (-334)
25K → 30K
24:38 | 7:56/mi
20M
2:29:46
20.00 mi
Rank: #11552 (-70)
30K → 20M
10:51 | 8:00/mi
21M
2:38:13
21.00 mi
Rank: #11599 (-47)
20M → 21M
8:27 | 8:27/mi
35K
2:43:56
21.75 mi
Rank: #11585 (+14)
21M → 35K
5:43 | 7:39/mi
23M
2:53:58
23.00 mi
Rank: #11620 (-35)
35K → 23M
10:02 | 8:02/mi
24M
3:01:52
24.00 mi
Rank: #11649 (-29)
23M → 24M
7:54 | 7:54/mi
40K
3:08:43
24.85 mi
Rank: #11651 (-2)
24M → 40K
6:51 | 8:01/mi
25.2M
3:11:35
25.20 mi
Rank: #11621 (+30)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:19:20
26.22 mi
Rank: #11643 (-22)
25.2M → FINISH
7:45 | 7:37/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
Time1:35:56
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:43:24
Pace7:54 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:5922:297:1522:29
7:15
-
10K
6.21 mi11:26:4045:107:1722:41
7:19
+0:04
15K
9.32 mi11:49:261:07:567:1822:46
7:20
+0:01
20K
12.43 mi12:12:241:30:547:1922:58
7:24
+0:04
HALF
13.11 mi12:17:261:35:567:205:02
7:24
0:00
25K
15.53 mi12:35:471:54:177:2218:21
7:34
+0:10
30K
18.64 mi13:00:252:18:557:2824:38
7:56
+0:22
20M
20.00 mi13:11:162:29:467:3010:51
8:00
+0:04
21M
21.00 mi13:19:432:38:137:338:27
8:27
+0:27
35K
21.75 mi13:25:262:43:567:335:43
7:39
-0:48
23M
23.00 mi13:35:282:53:587:3410:02
8:02
+0:23
24M
24.00 mi13:43:223:01:527:357:54
7:54
-0:08
40K
24.85 mi13:50:133:08:437:366:51
8:01
+0:07
25.2M
25.20 mi13:53:053:11:357:372:52
8:19
+0:18
FINISH
26.22 mi14:00:503:19:207:377:45
7:37
-0:42

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

7:15 /mi

Average Pace

7:36 /mi

Slowest Pace

8:27 /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

2:40:17

80% of race

Time at Steady Pace

39:03

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:03:5922:297:1522:29
7:15
#10499
10K
6.21 mi11:26:4045:107:1722:41
7:19
#10808
15K
9.32 mi11:49:261:07:567:1822:46
7:20
#10931
20K
12.43 mi12:12:241:30:547:1922:58
7:24
#10970
HALF
13.11 mi12:17:261:35:567:205:02
7:24
#11024
25K
15.53 mi12:35:471:54:177:2218:21
7:34
#11148
30K
18.64 mi13:00:252:18:557:2824:38
7:56
#11482
20M
20.00 mi13:11:162:29:467:3010:51
8:00
#11552
21M
21.00 mi13:19:432:38:137:338:27
8:27
#11599
35K
21.75 mi13:25:262:43:567:335:43
7:39
#11585
23M
23.00 mi13:35:282:53:587:3410:02
8:02
#11620
24M
24.00 mi13:43:223:01:527:357:54
7:54
#11649
40K
24.85 mi13:50:133:08:437:366:51
8:01
#11651
25.2M
25.20 mi13:53:053:11:357:372:52
8:19
#11621
FINISH
26.22 mi14:00:503:19:207:377:45
7:37
#11643
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 mi104998336833611303(Top 39%)8628(Top 53%)8628(Top 462%)
10K6.21 mi3.10 mi10808-3098467-1318467-13111151(Top 38%)8598(Top 53%)8598(Top 460%)
15K9.32 mi3.11 mi10931-1238503-368503-3611303(Top 39%)8628(Top 53%)8628(Top 462%)
20K12.43 mi3.11 mi10970-398479+248479+2411045(Top 38%)8406(Top 51%)8406(Top 450%)
HALF13.11 mi0.68 mi11024-548501-228501-2211917(Top 41%)8889(Top 54%)8889(Top 476%)
25K15.53 mi2.42 mi11148-1248539-388539-3811973(Top 41%)8771(Top 54%)8771(Top 470%)
30K18.64 mi3.11 mi11482-3348647-1088647-10812953(Top 45%)9087(Top 56%)9087(Top 486%)
20M20.00 mi1.36 mi11552-708660-138660-1312716(Top 44%)8883(Top 54%)8883(Top 476%)
21M21.00 mi1.00 mi11599-478671-118671-1112775(Top 44%)8793(Top 54%)8793(Top 471%)
35K21.75 mi0.75 mi11585+148646+258646+2511868(Top 41%)8366(Top 51%)8366(Top 448%)
23M23.00 mi1.25 mi11620-358634+128634+1212549(Top 43%)8615(Top 53%)8615(Top 461%)
24M24.00 mi1.00 mi11649-298608+268608+2612997(Top 45%)8695(Top 53%)8695(Top 465%)
40K24.85 mi0.85 mi11651-28577+318577+3112538(Top 43%)8410(Top 51%)8410(Top 450%)
25.2M25.20 mi0.35 mi11621+308550+278550+2710344(Top 36%)7320(Top 45%)7320(Top 392%)
FINISH26.22 mi1.02 mi11643-228533+178533+1712236(Top 42%)8198(Top 50%)8198(Top 439%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21
+97ft-345ft

Overall

11303

Males

8628

M50-54

8628

5K→10K

3.1 - 6.2 mi

Top 38%
×5
+79ft-138ft

Overall

11151

Males

8598

M50-54

8598

10K→15K

6.2 - 9.3 mi

Top 39%
×3
+67ft-78ft

Overall

11303

Males

8628

M50-54

8628

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

11045

Males

8406

M50-54

8406

20K→HALF

12.4 - 13.1 mi

Top 41%
×2
+19ft-37ft

Overall

11917

Males

8889

M50-54

8889

HALF→25K

13.1 - 15.5 mi

Top 41%
×4
+66ft-88ft

Overall

11973

Males

8771

M50-54

8771

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

12953

Males

9087

M50-54

9087

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12716

Males

8883

M50-54

8883

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12775

Males

8793

M50-54

8793

21M→35K

21.0 - 21.8 mi

Top 41%
×7
+17ft-86ft

Overall

11868

Males

8366

M50-54

8366

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12549

Males

8615

M50-54

8615

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

12997

Males

8695

M50-54

8695

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12538

Males

8410

M50-54

8410

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10344

Males

7320

M50-54

7320

25.2M→FINISH

25.2 - 26.2 mi

Top 42%
×2
+22ft-21ft

Overall

12236

Males

8198

M50-54

8198

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1167
Passed By
1782
Net Change
-1144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10499
5K → 10K123200-309#10499#10808
10K → 15K114200-123#10808#10931
15K → 20K140179-39#10931#10970
20K → HALF2175-54#10970#11024
HALF → 25K98200-124#11024#11148
25K → 30K104200-334#11148#11482
30K → 20M64134-70#11482#11552
20M → 21M74121-47#11552#11599
21M → 35K6349+14#11599#11585
35K → 23M91126-35#11585#11620
23M → 24M73102-29#11620#11649
24M → 40K8789-2#11649#11651
40K → 25.2M4717+30#11651#11621
25.2M → FINISH6890-22#11621#11643
TOTALS11671782-1144
📊

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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