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BOSTON MARATHON 2026

Charles Marcelonis

Bib: 29821•M

MA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 31%
Gender (Male)
#0 / 16340
Top 44%
Age Group (M18-39)
#0 / 5723
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
22:05
3.11 mi
Rank: #9401
Start → 5K
22:05 | 7:07/mi
10K
43:37
6.21 mi
Rank: #8734 (+667)
5K → 10K
21:32 | 6:56/mi
15K
1:04:53
9.32 mi
Rank: #8289 (+445)
10K → 15K
21:16 | 6:51/mi
20K
1:26:11
12.43 mi
Rank: #7882 (+407)
15K → 20K
21:18 | 6:52/mi
HALF
1:30:56
13.11 mi
Rank: #7901 (-19)
20K → HALF
4:45 | 6:59/mi
25K
1:48:07
15.53 mi
Rank: #7869 (+32)
HALF → 25K
17:11 | 7:06/mi
30K
2:11:09
18.64 mi
Rank: #7973 (-104)
25K → 30K
23:02 | 7:25/mi
20M
2:21:34
20.00 mi
Rank: #8065 (-92)
30K → 20M
10:25 | 7:41/mi
21M
2:29:42
21.00 mi
Rank: #8177 (-112)
20M → 21M
8:08 | 8:08/mi
35K
2:35:34
21.75 mi
Rank: #8306 (-129)
21M → 35K
5:52 | 7:51/mi
23M
2:45:33
23.00 mi
Rank: #8493 (-187)
35K → 23M
9:59 | 7:59/mi
24M
2:53:39
24.00 mi
Rank: #8738 (-245)
23M → 24M
8:06 | 8:06/mi
40K
3:01:00
24.85 mi
Rank: #8992 (-254)
24M → 40K
7:21 | 8:36/mi
25.2M
3:03:58
25.20 mi
Rank: #9012 (-20)
40K → 25.2M
2:58 | 8:37/mi
FINISH
3:11:24
26.22 mi
Rank: #9004 (+8)
25.2M → FINISH
7:26 | 7:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:56
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:40:28
Pace7:40 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1922:057:0722:05
7:07
-
10K
6.21 mi12:06:5143:377:0221:32
6:56
-0:11
15K
9.32 mi12:28:071:04:536:5821:16
6:51
-0:05
20K
12.43 mi12:49:251:26:116:5721:18
6:52
+0:01
HALF
13.11 mi12:54:101:30:566:574:45
6:59
+0:07
25K
15.53 mi13:11:211:48:076:5817:11
7:06
+0:07
30K
18.64 mi13:34:232:11:097:0323:02
7:25
+0:19
20M
20.00 mi13:44:482:21:347:0510:25
7:41
+0:16
21M
21.00 mi13:52:562:29:427:088:08
8:08
+0:27
35K
21.75 mi13:58:482:35:347:105:52
7:51
-0:17
23M
23.00 mi14:08:472:45:337:129:59
7:59
+0:08
24M
24.00 mi14:16:532:53:397:158:06
8:06
+0:07
40K
24.85 mi14:24:143:01:007:177:21
8:36
+0:30
25.2M
25.20 mi14:27:123:03:587:192:58
8:37
+0:01
FINISH
26.22 mi14:34:383:11:247:197:26
7:18
-1:19

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

6:51 /mi

Average Pace

7:18 /mi

Slowest Pace

8:37 /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

1:48:07

56% of race

Time at Steady Pace

40:53

21% of race

Time at Slower Pace

42:24

22% of race

Average Pace: 7:18 /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 mi11:45:1922:057:0722:05
7:07
#9401
10K
6.21 mi12:06:5143:377:0221:32
6:56
#8734
15K
9.32 mi12:28:071:04:536:5821:16
6:51
#8289
20K
12.43 mi12:49:251:26:116:5721:18
6:52
#7882
HALF
13.11 mi12:54:101:30:566:574:45
6:59
#7901
25K
15.53 mi13:11:211:48:076:5817:11
7:06
#7869
30K
18.64 mi13:34:232:11:097:0323:02
7:25
#7973
20M
20.00 mi13:44:482:21:347:0510:25
7:41
#8065
21M
21.00 mi13:52:562:29:427:088:08
8:08
#8177
35K
21.75 mi13:58:482:35:347:105:52
7:51
#8306
23M
23.00 mi14:08:472:45:337:129:59
7:59
#8493
24M
24.00 mi14:16:532:53:397:158:06
8:06
#8738
40K
24.85 mi14:24:143:01:007:177:21
8:36
#8992
25.2M
25.20 mi14:27:123:03:587:192:58
8:37
#9012
FINISH
26.22 mi14:34:383:11:247:197:26
7:18
#9004
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9401776877687282(Top 25%)6380(Top 39%)6380(Top 111%)
10K6.21 mi3.10 mi8734+6677350+4187350+4188163(Top 28%)6990(Top 43%)6990(Top 122%)
15K9.32 mi3.11 mi8289+4457057+2937057+2937282(Top 25%)6380(Top 39%)6380(Top 111%)
20K12.43 mi3.11 mi7882+4076796+2616796+2616714(Top 23%)5951(Top 36%)5951(Top 104%)
HALF13.11 mi0.68 mi7901-196808-126808-128421(Top 29%)7120(Top 44%)7120(Top 124%)
25K15.53 mi2.42 mi7869+326785+236785+238025(Top 28%)6771(Top 41%)6771(Top 118%)
30K18.64 mi3.11 mi7973-1046808-236808-238960(Top 31%)7148(Top 44%)7148(Top 125%)
20M20.00 mi1.36 mi8065-926838-306838-3010335(Top 36%)7732(Top 47%)7732(Top 135%)
21M21.00 mi1.00 mi8177-1126889-516889-5110734(Top 37%)7831(Top 48%)7831(Top 137%)
35K21.75 mi0.75 mi8306-1296950-616950-6113315(Top 46%)8991(Top 55%)8991(Top 157%)
23M23.00 mi1.25 mi8493-1877019-697019-6912263(Top 42%)8471(Top 52%)8471(Top 148%)
24M24.00 mi1.00 mi8738-2457123-1047123-10414385(Top 50%)9312(Top 57%)9312(Top 163%)
40K24.85 mi0.85 mi8992-2547245-1227245-12216228(Top 56%)10051(Top 62%)10051(Top 176%)
25.2M25.20 mi0.35 mi9012-207250-57250-512188(Top 42%)8170(Top 50%)8170(Top 143%)
FINISH26.22 mi1.02 mi9004+87212+387212+389815(Top 34%)7020(Top 43%)7020(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7282

Males

6380

M18-39

6380

5K→10K

3.1 - 6.2 mi

Top 28%
×5
+79ft-138ft

Overall

8163

Males

6990

M18-39

6990

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7282

Males

6380

M18-39

6380

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6714

Males

5951

M18-39

5951

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8421

Males

7120

M18-39

7120

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8025

Males

6771

M18-39

6771

25K→30K

15.5 - 18.6 mi

Top 31%
×9
+181ft-148ft

Overall

8960

Males

7148

M18-39

7148

30K→20M

18.6 - 20.0 mi

Top 36%
×5
+64ft-50ft

Overall

10335

Males

7732

M18-39

7732

20M→21M

20.0 - 21.0 mi

Top 37%
×8
+106ft-24ft

Overall

10734

Males

7831

M18-39

7831

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13315

Males

8991

M18-39

8991

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12263

Males

8471

M18-39

8471

23M→24M

23.0 - 24.0 mi

Top 50%
×6
+12ft-82ft

Overall

14385

Males

9312

M18-39

9312

24M→40K

24.0 - 24.9 mi

Top 56%
×1
+6ft-20ft

Overall

16228

Males

10051

M18-39

10051

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1
+13ft-16ft

Overall

12188

Males

8170

M18-39

8170

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2
+22ft-21ft

Overall

9815

Males

7020

M18-39

7020

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2149
Passed By
1752
Net Change
+397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9401
5K → 10K69932+667#9401#8734
10K → 15K45510+445#8734#8289
15K → 20K41912+407#8289#7882
20K → HALF1534-19#7882#7901
HALF → 25K136104+32#7901#7869
25K → 30K126230-104#7869#7973
30K → 20M43135-92#7973#8065
20M → 21M33145-112#8065#8177
21M → 35K23152-129#8177#8306
35K → 23M46233-187#8306#8493
23M → 24M29274-245#8493#8738
24M → 40K17271-254#8738#8992
40K → 25.2M2343-20#8992#9012
25.2M → FINISH8577+8#9012#9004
TOTALS21491752+397
📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing