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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Claus Krogsgaard

Bib: 32038 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 50%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
Race Day Weather
51°/41°F
overcast clouds
Personalized for Claus

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:30/mi at mile 9.3

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
24:47
3.11 mi
Rank: #16762
Start → 5K
24:47 | 7:59/mi
10K
48:33
6.21 mi
Rank: #15601 (+1161)
5K → 10K
23:46 | 7:39/mi
15K
1:11:50
9.32 mi
Rank: #14601 (+1000)
10K → 15K
23:17 | 7:30/mi
20K
1:35:49
12.43 mi
Rank: #14391 (+210)
15K → 20K
23:59 | 7:44/mi
HALF
1:41:03
13.11 mi
Rank: #14391
20K → HALF
5:14 | 7:41/mi
25K
1:59:58
15.53 mi
Rank: #14261 (+130)
HALF → 25K
18:55 | 7:49/mi
30K
2:25:13
18.64 mi
Rank: #14277 (-16)
25K → 30K
25:15 | 8:08/mi
20M
2:36:17
20.00 mi
Rank: #14217 (+60)
30K → 20M
11:04 | 8:09/mi
21M
2:44:55
21.00 mi
Rank: #14181 (+36)
20M → 21M
8:38 | 8:38/mi
35K
2:50:57
21.75 mi
Rank: #14193 (-12)
21M → 35K
6:02 | 8:04/mi
23M
3:01:21
23.00 mi
Rank: #14189 (+4)
35K → 23M
10:24 | 8:19/mi
24M
3:09:54
24.00 mi
Rank: #14347 (-158)
23M → 24M
8:33 | 8:33/mi
40K
3:17:28
24.85 mi
Rank: #14506 (-159)
24M → 40K
7:34 | 8:51/mi
25.2M
3:20:44
25.20 mi
Rank: #14573 (-67)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:28:30
26.22 mi
Rank: #14492 (+81)
25.2M → FINISH
7:46 | 7:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:03
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:47:27
Pace8:12 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1524:477:5924:47
7:59
-
10K
6.21 mi12:18:0148:337:4923:46
7:39
-0:20
15K
9.32 mi12:41:181:11:507:4323:17
7:30
-0:09
20K
12.43 mi13:05:171:35:497:4323:59
7:44
+0:14
HALF
13.11 mi13:10:311:41:037:435:14
7:41
-0:03
25K
15.53 mi13:29:261:59:587:4418:55
7:49
+0:08
30K
18.64 mi13:54:412:25:137:4825:15
8:08
+0:19
20M
20.00 mi14:05:452:36:177:4911:04
8:09
+0:01
21M
21.00 mi14:14:232:44:557:528:38
8:38
+0:29
35K
21.75 mi14:20:252:50:577:526:02
8:04
-0:34
23M
23.00 mi14:30:493:01:217:5410:24
8:19
+0:15
24M
24.00 mi14:39:223:09:547:558:33
8:33
+0:14
40K
24.85 mi14:46:563:17:287:577:34
8:51
+0:18
25.2M
25.20 mi14:50:123:20:447:583:16
9:29
+0:38
FINISH
26.22 mi14:57:583:28:307:587:46
7:38
-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

7:30 /mi

Average Pace

7:57 /mi

Slowest Pace

9:29 /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

1:24:02

40% of race

Time at Steady Pace

1:36:27

46% of race

Time at Slower Pace

28:01

13% of race

Average Pace: 7:57 /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 mi11:54:1524:477:5924:47
7:59
#16762
10K
6.21 mi12:18:0148:337:4923:46
7:39
#15601
15K
9.32 mi12:41:181:11:507:4323:17
7:30
#14601
20K
12.43 mi13:05:171:35:497:4323:59
7:44
#14391
HALF
13.11 mi13:10:311:41:037:435:14
7:41
#14391
25K
15.53 mi13:29:261:59:587:4418:55
7:49
#14261
30K
18.64 mi13:54:412:25:137:4825:15
8:08
#14277
20M
20.00 mi14:05:452:36:177:4911:04
8:09
#14217
21M
21.00 mi14:14:232:44:557:528:38
8:38
#14181
35K
21.75 mi14:20:252:50:577:526:02
8:04
#14193
23M
23.00 mi14:30:493:01:217:5410:24
8:19
#14189
24M
24.00 mi14:39:223:09:547:558:33
8:33
#14347
40K
24.85 mi14:46:563:17:287:577:34
8:51
#14506
25.2M
25.20 mi14:50:123:20:447:583:16
9:29
#14573
FINISH
26.22 mi14:57:583:28:307:587:46
7:38
#14492
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi16762109131091312748(Top 44%)9281(Top 57%)9281(Top 385%)
10K6.21 mi3.10 mi15601+116110451+46210451+46214324(Top 49%)9964(Top 61%)9964(Top 413%)
15K9.32 mi3.11 mi14601+100010053+39810053+39812748(Top 44%)9281(Top 57%)9281(Top 385%)
20K12.43 mi3.11 mi14391+2109963+909963+9013880(Top 48%)9674(Top 59%)9674(Top 401%)
HALF13.11 mi0.68 mi143919965-29965-214495(Top 50%)10004(Top 61%)10004(Top 415%)
25K15.53 mi2.42 mi14261+1309885+809885+8013829(Top 48%)9585(Top 59%)9585(Top 397%)
30K18.64 mi3.11 mi14277-169854+319854+3114397(Top 50%)9718(Top 59%)9718(Top 403%)
20M20.00 mi1.36 mi14217+609808+469808+4613848(Top 48%)9383(Top 57%)9383(Top 389%)
21M21.00 mi1.00 mi14181+369773+359773+3513947(Top 48%)9343(Top 57%)9343(Top 387%)
35K21.75 mi0.75 mi14193-129760+139760+1314896(Top 51%)9710(Top 59%)9710(Top 402%)
23M23.00 mi1.25 mi14189+49728+329728+3214512(Top 50%)9463(Top 58%)9463(Top 392%)
24M24.00 mi1.00 mi14347-1589763-359763-3517148(Top 59%)10529(Top 64%)10529(Top 436%)
40K24.85 mi0.85 mi14506-1599808-459808-4517615(Top 61%)10707(Top 66%)10707(Top 444%)
25.2M25.20 mi0.35 mi14573-679825-179825-1717123(Top 59%)10470(Top 64%)10470(Top 434%)
FINISH26.22 mi1.02 mi14492+819777+489777+4812378(Top 43%)8276(Top 51%)8276(Top 343%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12748

Males

9281

M45-49

9281

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14324

Males

9964

M45-49

9964

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12748

Males

9281

M45-49

9281

15K→20K

9.3 - 12.4 mi

Top 48%
×5
+106ft-86ft

Overall

13880

Males

9674

M45-49

9674

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14495

Males

10004

M45-49

10004

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

13829

Males

9585

M45-49

9585

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14397

Males

9718

M45-49

9718

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13848

Males

9383

M45-49

9383

20M→21M

20.0 - 21.0 mi

Top 48%
×8
+106ft-24ft

Overall

13947

Males

9343

M45-49

9343

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14896

Males

9710

M45-49

9710

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14512

Males

9463

M45-49

9463

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17148

Males

10529

M45-49

10529

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17615

Males

10707

M45-49

10707

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17123

Males

10470

M45-49

10470

25.2M→FINISH

25.2 - 26.2 mi

Top 43%
×2
+22ft-21ft

Overall

12378

Males

8276

M45-49

8276

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3473*
Passed By
1203
Net Change
+2270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16762
5K → 10K1195*34+1161#16762#15601
10K → 15K1012*12+1000#15601#14601
15K → 20K274*64+210#14601#14391
20K → HALF29290#14391#14391
HALF → 25K201*71+130#14391#14261
25K → 30K182198-16#14261#14277
30K → 20M12868+60#14277#14217
20M → 21M10872+36#14217#14181
21M → 35K5466-12#14181#14193
35K → 23M9793+4#14193#14189
23M → 24M34192-158#14189#14347
24M → 40K33192-159#14347#14506
40K → 25.2M1683-67#14506#14573
25.2M → FINISH11029+81#14573#14492
TOTALS3473*1203+2270

* 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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