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BOSTON MARATHON 2025

Charles Marcelonis

Bib: 28420•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:32/mi
23:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
46:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:09:29
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:32:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:37:47
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:55:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:19:29
↑ 181↓ 1480.2%
20M
7:36/mi
2:29:49
↑ 64↓ 500.2%
21M
7:53/mi
2:37:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:43:19
↑ 17↓ 861.7%
23M
8:06/mi
2:53:27
↑ 23↓ 630.6%
24M
8:49/mi
3:02:16
↓ 821.3%
40K· 24.85 mi
11:04/mi
3:11:44
↓ 200.3%
25.2M
9:23/mi
3:14:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
3:24:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:47
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:46:29
Pace8:07 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:0323:247:3223:24
7:32
-
10K
6.21 mi12:02:4846:097:2622:45
7:19
-0:13
15K
9.32 mi12:26:081:09:297:2723:20
7:31
+0:12
20K
12.43 mi12:49:301:32:517:2823:22
7:31
0:00
Half
13.11 mi12:54:261:37:477:284:56
7:14
-0:17
25K
15.53 mi13:12:241:55:457:2717:58
7:25
+0:11
30K
18.64 mi13:36:082:19:297:2923:44
7:38
+0:13
20M
20.00 mi13:46:282:29:497:2910:20
7:36
-0:02
21M
21.00 mi13:54:212:37:427:317:53
7:53
+0:17
35K
21.75 mi13:59:582:43:197:315:37
7:30
-0:23
23M
23.00 mi14:10:062:53:277:3210:08
8:06
+0:36
24M
24.00 mi14:18:553:02:167:368:49
8:49
+0:43
40K
24.85 mi14:28:233:11:447:439:28
11:04
+2:15
25.2M
25.20 mi14:31:373:14:587:443:14
9:23
-1:41
Finish
26.22 mi14:40:553:24:167:489:18
9:08
-0:15

Checkpoints & Pacing

📈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

7:14 /mi

Average Pace

7:48 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:53:27

85% of race

Time at Slower Pace

30:49

15% of race

Average Pace: 7:47 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:40:0323:247:3223:24
7:32
#12505
10K
6.21 mi12:02:4846:097:2622:45
7:19
#11479
15K
9.32 mi12:26:081:09:297:2723:20
7:31
#11569
20K
12.43 mi12:49:301:32:517:2823:22
7:31
#11405
Half
13.11 mi12:54:261:37:477:284:56
7:14
#11303
25K
15.53 mi13:12:241:55:457:2717:58
7:25
#10903
30K
18.64 mi13:36:082:19:297:2923:44
7:38
#10428
20M
20.00 mi13:46:282:29:497:2910:20
7:36
#10153
21M
21.00 mi13:54:212:37:427:317:53
7:53
#9878
35K
21.75 mi13:59:582:43:197:315:37
7:30
#9820
23M
23.00 mi14:10:062:53:277:3210:08
8:06
#9864
24M
24.00 mi14:18:553:02:167:368:49
8:49
#10176
40K
24.85 mi14:28:233:11:447:439:28
11:04
#10972
25.2M
25.20 mi14:31:373:14:587:443:14
9:23
#11006
Finish
26.22 mi14:40:553:24:167:489:18
9:08
#11434
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi125059403940311833(Top 42%)8985(Top 56%)8985(Top 159%)
10K6.21 mi3.10 mi11479+10268908+4958908+49510525(Top 37%)8425(Top 52%)8425(Top 149%)
15K9.32 mi3.11 mi11569-908927-198927-1911833(Top 42%)8985(Top 56%)8985(Top 159%)
20K12.43 mi3.11 mi11405+1648818+1098818+10910932(Top 38%)8467(Top 53%)8467(Top 150%)
Half13.11 mi0.68 mi11303+1028768+508768+509361(Top 33%)7704(Top 48%)7704(Top 137%)
25K15.53 mi2.42 mi10903+4008539+2298539+2299242(Top 33%)7475(Top 46%)7475(Top 132%)
30K18.64 mi3.11 mi10428+4758233+3068233+3068745(Top 31%)7007(Top 44%)7007(Top 124%)
20M20.00 mi1.36 mi10153+2758065+1688065+1687720(Top 27%)6276(Top 39%)6276(Top 111%)
21M21.00 mi1.00 mi9878+2757884+1817884+1816701(Top 24%)5512(Top 34%)5512(Top 98%)
35K21.75 mi0.75 mi9820+587826+587826+588679(Top 31%)6688(Top 42%)6688(Top 119%)
23M23.00 mi1.25 mi9864-447796+307796+3010690(Top 38%)7585(Top 47%)7585(Top 134%)
24M24.00 mi1.00 mi10176-3127922-1267922-12616374(Top 58%)10189(Top 63%)10189(Top 181%)
40K24.85 mi0.85 mi10972-7968264-3428264-34223296(Top 82%)13387(Top 83%)13387(Top 237%)
25.2M25.20 mi0.35 mi11006-348266-28266-213807(Top 49%)8841(Top 55%)8841(Top 157%)
Finish26.22 mi1.02 mi11434-4288435-1698435-16919591(Top 69%)11616(Top 72%)11616(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11833

Males

8985

M18-39

8985

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10525

Males

8425

M18-39

8425

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11833

Males

8985

M18-39

8985

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10932

Males

8467

M18-39

8467

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9361

Males

7704

M18-39

7704

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9242

Males

7475

M18-39

7475

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8745

Males

7007

M18-39

7007

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7720

Males

6276

M18-39

6276

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6701

Males

5512

M18-39

5512

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8679

Males

6688

M18-39

6688

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10690

Males

7585

M18-39

7585

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16374

Males

10189

M18-39

10189

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23296

Males

13387

M18-39

13387

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13807

Males

8841

M18-39

8841

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19591

Males

11616

M18-39

11616

Passing Analysis

Category:
Athletes Passed
3315*
Passed By
2241
Net Change
+1071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12505
5K → 10K105731+1026#12505#11479
10K → 15K150240-90#11479#11569
15K → 20K26197+164#11569#11405
20K → Half1064+102#11405#11303
Half → 25K41212+400#11303#10903
25K → 30K50227+475#10903#10428
30K → 20M28712+275#10428#10153
20M → 21M284*9+275#10153#9878
21M → 35K9032+58#9878#9820
35K → 23M94137-44#9820#9864
23M → 24M26336-312#9864#10176
24M → 40K3799-796#10176#10972
40K → 25.2M3165-34#10972#11006
25.2M → Finish12440-428#11006#11434
TOTALS3315*2241+1071

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing