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BOSTON MARATHON 2026

Leon Kloet

Bib: 31775•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 (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
5K
25:50
3.11 mi
Rank: #18947
Start → 5K
25:50 | 8:19/mi
10K
51:19
6.21 mi
Rank: #18761 (+186)
5K → 10K
25:29 | 8:13/mi
15K
1:16:56
9.32 mi
Rank: #18723 (+38)
10K → 15K
25:37 | 8:15/mi
20K
1:43:28
12.43 mi
Rank: #18918 (-195)
15K → 20K
26:32 | 8:33/mi
HALF
1:49:14
13.11 mi
Rank: #18964 (-46)
20K → HALF
5:46 | 8:28/mi
25K
2:10:23
15.53 mi
Rank: #19126 (-162)
HALF → 25K
21:09 | 8:44/mi
30K
2:38:27
18.64 mi
Rank: #19207 (-81)
25K → 30K
28:04 | 9:03/mi
20M
2:50:32
20.00 mi
Rank: #19145 (+62)
30K → 20M
12:05 | 8:54/mi
21M
3:00:00
21.00 mi
Rank: #19092 (+53)
20M → 21M
9:28 | 9:28/mi
35K
3:06:25
21.75 mi
Rank: #19041 (+51)
21M → 35K
6:25 | 8:35/mi
23M
3:17:30
23.00 mi
Rank: #18939 (+102)
35K → 23M
11:05 | 8:52/mi
24M
3:26:14
24.00 mi
Rank: #18903 (+36)
23M → 24M
8:44 | 8:44/mi
40K
3:33:51
24.85 mi
Rank: #18856 (+47)
24M → 40K
7:37 | 8:55/mi
25.2M
3:37:16
25.20 mi
Rank: #18866 (-10)
40K → 25.2M
3:25 | 9:55/mi
FINISH
3:46:02
26.22 mi
Rank: #18863 (+3)
25.2M → FINISH
8:46 | 8:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:14
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:56:48
Pace8:55 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:3425:508:1925:50
8:19
-
10K
6.21 mi11:57:0351:198:1625:29
8:13
-0:06
15K
9.32 mi12:22:401:16:568:1625:37
8:15
+0:02
20K
12.43 mi12:49:121:43:288:2026:32
8:33
+0:18
HALF
13.11 mi12:54:581:49:148:205:46
8:28
-0:05
25K
15.53 mi13:16:072:10:238:2421:09
8:44
+0:16
30K
18.64 mi13:44:112:38:278:3128:04
9:03
+0:19
20M
20.00 mi13:56:162:50:328:3212:05
8:54
-0:09
21M
21.00 mi14:05:443:00:008:359:28
9:28
+0:34
35K
21.75 mi14:12:093:06:258:356:25
8:35
-0:53
23M
23.00 mi14:23:143:17:308:3611:05
8:52
+0:17
24M
24.00 mi14:31:583:26:148:368:44
8:44
-0:08
40K
24.85 mi14:39:353:33:518:377:37
8:55
+0:11
25.2M
25.20 mi14:43:003:37:168:383:25
9:55
+1:00
FINISH
26.22 mi14:51:463:46:028:388:46
8:37
-1:18

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

8:13 /mi

Average Pace

8:38 /mi

Slowest Pace

9:55 /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

1:22:42

37% of race

Time at Steady Pace

1:42:23

45% of race

Time at Slower Pace

40:57

18% of race

Average Pace: 8:37 /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 mi11:31:3425:508:1925:50
8:19
#18947
10K
6.21 mi11:57:0351:198:1625:29
8:13
#18761
15K
9.32 mi12:22:401:16:568:1625:37
8:15
#18723
20K
12.43 mi12:49:121:43:288:2026:32
8:33
#18918
HALF
13.11 mi12:54:581:49:148:205:46
8:28
#18964
25K
15.53 mi13:16:072:10:238:2421:09
8:44
#19126
30K
18.64 mi13:44:112:38:278:3128:04
9:03
#19207
20M
20.00 mi13:56:162:50:328:3212:05
8:54
#19145
21M
21.00 mi14:05:443:00:008:359:28
9:28
#19092
35K
21.75 mi14:12:093:06:258:356:25
8:35
#19041
23M
23.00 mi14:23:143:17:308:3611:05
8:52
#18939
24M
24.00 mi14:31:583:26:148:368:44
8:44
#18903
40K
24.85 mi14:39:353:33:518:377:37
8:55
#18856
25.2M
25.20 mi14:43:003:37:168:383:25
9:55
#18866
FINISH
26.22 mi14:51:463:46:028:388:46
8:37
#18863
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18947118111181118629(Top 64%)11721(Top 72%)11721(Top 786%)
10K6.21 mi3.10 mi18761+18611756+5511756+5518582(Top 64%)11713(Top 72%)11713(Top 786%)
15K9.32 mi3.11 mi18723+3811754+211754+218629(Top 64%)11721(Top 72%)11721(Top 786%)
20K12.43 mi3.11 mi18918-19511822-6811822-6819525(Top 67%)12062(Top 74%)12062(Top 809%)
HALF13.11 mi0.68 mi18964-4611838-1611838-1619959(Top 69%)12300(Top 75%)12300(Top 825%)
25K15.53 mi2.42 mi19126-16211898-6011898-6019812(Top 68%)12165(Top 74%)12165(Top 816%)
30K18.64 mi3.11 mi19207-8111899-111899-119727(Top 68%)12042(Top 74%)12042(Top 808%)
20M20.00 mi1.36 mi19145+6211866+3311866+3318433(Top 64%)11367(Top 70%)11367(Top 762%)
21M21.00 mi1.00 mi19092+5311829+3711829+3718356(Top 63%)11302(Top 69%)11302(Top 758%)
35K21.75 mi0.75 mi19041+5111793+3611793+3617986(Top 62%)11044(Top 68%)11044(Top 741%)
23M23.00 mi1.25 mi18939+10211727+6611727+6617758(Top 61%)10862(Top 66%)10862(Top 729%)
24M24.00 mi1.00 mi18903+3611687+4011687+4018184(Top 63%)11043(Top 68%)11043(Top 741%)
40K24.85 mi0.85 mi18856+4711653+3411653+3417923(Top 62%)10866(Top 66%)10866(Top 729%)
25.2M25.20 mi0.35 mi18866-1011648+511648+519004(Top 65%)11370(Top 70%)11370(Top 763%)
FINISH26.22 mi1.02 mi18863+311634+1411634+1418660(Top 64%)11213(Top 69%)11213(Top 752%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18629

Males

11721

M55-59

11721

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18582

Males

11713

M55-59

11713

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18629

Males

11721

M55-59

11721

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19525

Males

12062

M55-59

12062

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

19959

Males

12300

M55-59

12300

HALF→25K

13.1 - 15.5 mi

Top 68%
×4
+66ft-88ft

Overall

19812

Males

12165

M55-59

12165

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19727

Males

12042

M55-59

12042

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18433

Males

11367

M55-59

11367

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18356

Males

11302

M55-59

11302

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17986

Males

11044

M55-59

11044

35K→23M

21.8 - 23.0 mi

Top 61%
×5
+23ft-63ft

Overall

17758

Males

10862

M55-59

10862

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18184

Males

11043

M55-59

11043

24M→40K

24.0 - 24.9 mi

Top 62%
×1
+6ft-20ft

Overall

17923

Males

10866

M55-59

10866

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

19004

Males

11370

M55-59

11370

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18660

Males

11213

M55-59

11213

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1632*
Passed By
1371
Net Change
+84
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18947
5K → 10K385*199+186#18947#18761
10K → 15K189151+38#18761#18723
15K → 20K96200-195#18723#18918
20K → HALF2066-46#18918#18964
HALF → 25K73200-162#18964#19126
25K → 30K170200-81#19126#19207
30K → 20M12765+62#19207#19145
20M → 21M10754+53#19145#19092
21M → 35K7625+51#19092#19041
35K → 23M13331+102#19041#18939
23M → 24M8953+36#18939#18903
24M → 40K7831+47#18903#18856
40K → 25.2M2434-10#18856#18866
25.2M → FINISH6562+3#18866#18863
TOTALS1632*1371+84

* 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