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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Claudio Lefever Celedon

Bib: 13089 •M •Age: N/A

Boston Marathon logo
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
22:55
3.11 mi
Rank: #11726
Start → 5K
22:55 | 7:23/mi
10K
46:31
6.21 mi
Rank: #12710 (-984)
5K → 10K
23:36 | 7:36/mi
15K
1:11:34
9.32 mi
Rank: #14345 (-1635)
10K → 15K
25:03 | 8:04/mi
20K
1:36:24
12.43 mi
Rank: #14791 (-446)
15K → 20K
24:50 | 8:00/mi
HALF
1:41:46
13.11 mi
Rank: #14856 (-65)
20K → HALF
5:22 | 7:53/mi
25K
2:02:06
15.53 mi
Rank: #15438 (-582)
HALF → 25K
20:20 | 8:24/mi
30K
2:29:09
18.64 mi
Rank: #15997 (-559)
25K → 30K
27:03 | 8:43/mi
20M
2:42:12
20.00 mi
Rank: #16537 (-540)
30K → 20M
13:03 | 9:37/mi
21M
2:52:20
21.00 mi
Rank: #16844 (-307)
20M → 21M
10:08 | 10:08/mi
35K
2:59:25
21.75 mi
Rank: #17076 (-232)
21M → 35K
7:05 | 9:29/mi
23M
3:12:16
23.00 mi
Rank: #17600 (-524)
35K → 23M
12:51 | 10:17/mi
24M
3:22:50
24.00 mi
Rank: #18087 (-487)
23M → 24M
10:34 | 10:34/mi
40K
3:32:40
24.85 mi
Rank: #18600 (-513)
24M → 40K
9:50 | 11:31/mi
25.2M
3:36:56
25.20 mi
Rank: #18785 (-185)
40K → 25.2M
4:16 | 12:23/mi
FINISH
3:47:25
26.22 mi
Rank: #19188 (-403)
25.2M → FINISH
10:29 | 10:18/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
Time1:41:46
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time2:05:39
Pace9:36 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5022:557:2322:55
7:23
-
10K
6.21 mi11:15:2646:317:3023:36
7:36
+0:13
15K
9.32 mi11:40:291:11:347:4125:03
8:04
+0:28
20K
12.43 mi12:05:191:36:247:4624:50
8:00
-0:04
HALF
13.11 mi12:10:411:41:467:465:22
7:53
-0:07
25K
15.53 mi12:31:012:02:067:5220:20
8:24
+0:31
30K
18.64 mi12:58:042:29:098:0127:03
8:43
+0:19
20M
20.00 mi13:11:072:42:128:0713:03
9:37
+0:54
21M
21.00 mi13:21:152:52:208:1310:08
10:08
+0:31
35K
21.75 mi13:28:202:59:258:157:05
9:29
-0:39
23M
23.00 mi13:41:113:12:168:2212:51
10:17
+0:48
24M
24.00 mi13:51:453:22:508:2810:34
10:34
+0:17
40K
24.85 mi14:01:353:32:408:349:50
11:31
+0:57
25.2M
25.20 mi14:05:513:36:568:374:16
12:23
+0:52
FINISH
26.22 mi14:16:203:47:258:4110:29
10:18
-2:05

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

7:23 /mi

Average Pace

8:41 /mi

Slowest Pace

12:23 /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

2:29:09

66% of race

Time at Steady Pace

30:16

13% of race

Time at Slower Pace

48:00

21% of race

Average Pace: 8:40 /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 mi10:51:5022:557:2322:55
7:23
#11726
10K
6.21 mi11:15:2646:317:3023:36
7:36
#12710
15K
9.32 mi11:40:291:11:347:4125:03
8:04
#14345
20K
12.43 mi12:05:191:36:247:4624:50
8:00
#14791
HALF
13.11 mi12:10:411:41:467:465:22
7:53
#14856
25K
15.53 mi12:31:012:02:067:5220:20
8:24
#15438
30K
18.64 mi12:58:042:29:098:0127:03
8:43
#15997
20M
20.00 mi13:11:072:42:128:0713:03
9:37
#16537
21M
21.00 mi13:21:152:52:208:1310:08
10:08
#16844
35K
21.75 mi13:28:202:59:258:157:05
9:29
#17076
23M
23.00 mi13:41:113:12:168:2212:51
10:17
#17600
24M
24.00 mi13:51:453:22:508:2810:34
10:34
#18087
40K
24.85 mi14:01:353:32:408:349:50
11:31
#18600
25.2M
25.20 mi14:05:513:36:568:374:16
12:23
#18785
FINISH
26.22 mi14:16:203:47:258:4110:29
10:18
#19188
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 mi117268922892217443(Top 60%)11212(Top 69%)11212(Top 600%)
10K6.21 mi3.10 mi12710-9849321-3999321-39913826(Top 48%)9761(Top 60%)9761(Top 523%)
15K9.32 mi3.11 mi14345-16359956-6359956-63517443(Top 60%)11212(Top 69%)11212(Top 600%)
20K12.43 mi3.11 mi14791-44610115-15910115-15916072(Top 55%)10589(Top 65%)10589(Top 567%)
HALF13.11 mi0.68 mi14856-6510140-2510140-2516133(Top 56%)10671(Top 65%)10671(Top 571%)
25K15.53 mi2.42 mi15438-58210343-20310343-20317890(Top 62%)11324(Top 69%)11324(Top 606%)
30K18.64 mi3.11 mi15997-55910526-18310526-18318049(Top 62%)11277(Top 69%)11277(Top 604%)
20M20.00 mi1.36 mi16537-54010742-21610742-21621432(Top 74%)12779(Top 78%)12779(Top 684%)
21M21.00 mi1.00 mi16844-30710866-12410866-12420848(Top 72%)12473(Top 76%)12473(Top 668%)
35K21.75 mi0.75 mi17076-23210944-7810944-7821647(Top 75%)12790(Top 78%)12790(Top 685%)
23M23.00 mi1.25 mi17600-52411139-19511139-19522820(Top 79%)13306(Top 81%)13306(Top 712%)
24M24.00 mi1.00 mi18087-48711332-19311332-19324222(Top 83%)13933(Top 85%)13933(Top 746%)
40K24.85 mi0.85 mi18600-51311544-21211544-21225090(Top 86%)14321(Top 88%)14321(Top 767%)
25.2M25.20 mi0.35 mi18785-18511614-7011614-7025102(Top 86%)14322(Top 88%)14322(Top 767%)
FINISH26.22 mi1.02 mi19188-40311772-15811772-15824548(Top 85%)14062(Top 86%)14062(Top 753%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17443

Males

11212

M50-54

11212

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13826

Males

9761

M50-54

9761

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17443

Males

11212

M50-54

11212

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

16072

Males

10589

M50-54

10589

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16133

Males

10671

M50-54

10671

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

17890

Males

11324

M50-54

11324

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

18049

Males

11277

M50-54

11277

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21432

Males

12779

M50-54

12779

20M→21M

20.0 - 21.0 mi

Top 72%
×8
+106ft-24ft

Overall

20848

Males

12473

M50-54

12473

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21647

Males

12790

M50-54

12790

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22820

Males

13306

M50-54

13306

23M→24M

23.0 - 24.0 mi

Top 83%
×6
+12ft-82ft

Overall

24222

Males

13933

M50-54

13933

24M→40K

24.0 - 24.9 mi

Top 86%
×1
+6ft-20ft

Overall

25090

Males

14321

M50-54

14321

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1
+13ft-16ft

Overall

25102

Males

14322

M50-54

14322

25.2M→FINISH

25.2 - 26.2 mi

Top 85%
×2
+22ft-21ft

Overall

24548

Males

14062

M50-54

14062

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
377
Passed By
2666
Net Change
-7462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11726
5K → 10K47200-984#11726#12710
10K → 15K19200-1635#12710#14345
15K → 20K70200-446#14345#14791
20K → HALF1479-65#14791#14856
HALF → 25K43200-582#14856#15438
25K → 30K79200-559#15438#15997
30K → 20M13200-540#15997#16537
20M → 21M31200-307#16537#16844
21M → 35K21200-232#16844#17076
35K → 23M19200-524#17076#17600
23M → 24M9200-487#17600#18087
24M → 40K2200-513#18087#18600
40K → 25.2M2187-185#18600#18785
25.2M → FINISH8200-403#18785#19188
TOTALS3772666-7462
📊

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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