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BOSTON MARATHON 2025

Charles Dubis

Bib: 4131•M

CO

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:54
Rank: #3179
Start → 5K
19:54 | 6:24/mi
10K· 6.21 mi
39:49
Rank: #3133 (+46)
5K → 10K
19:55 | 6:25/mi
15K· 9.32 mi
1:00:01
Rank: #3260 (-127)
10K → 15K
20:12 | 6:30/mi
20K· 12.43 mi
1:20:22
Rank: #3271 (-11)
15K → 20K
20:21 | 6:33/mi
Half· 13.11 mi
1:24:51
Rank: #3324 (-53)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:42:21
Rank: #3925 (-601)
Half → 25K
17:30 | 7:13/mi
30K· 18.64 mi
2:15:27
Rank: #8563 (-4638)
25K → 30K
33:06 | 10:39/mi
20M
2:31:14
Rank: #10782 (-2219)
30K → 20M
15:47 | 11:37/mi
21M
2:44:07
Rank: #12423 (-1641)
20M → 21M
12:53 | 12:53/mi
35K· 21.75 mi
2:54:04
Rank: #13803 (-1380)
21M → 35K
9:57 | 13:18/mi
23M
3:14:03
Rank: #16588 (-2785)
35K → 23M
19:59 | 15:58/mi
24M
3:27:42
Rank: #17866 (-1278)
23M → 24M
13:39 | 13:39/mi
40K· 24.85 mi
3:33:32
Rank: #17345 (+521)
24M → 40K
5:50 | 6:49/mi
25.2M
3:35:44
Rank: #17026 (+319)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
3:42:35
Rank: #16512 (+514)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:51
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time2:17:44
Pace10:30 /mi
📊Positive Split: 62.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2219:546:2419:54
6:24
-
10K
6.21 mi10:42:1739:496:2419:55
6:25
+0:01
15K
9.32 mi11:02:291:00:016:2620:12
6:30
+0:05
20K
12.43 mi11:22:501:20:226:2820:21
6:33
+0:03
Half
13.11 mi11:27:191:24:516:284:29
6:34
+0:01
25K
15.53 mi11:44:491:42:216:3517:30
7:13
+0:39
30K
18.64 mi12:17:552:15:277:1633:06
10:39
+3:26
20M
20.00 mi12:33:422:31:147:3415:47
11:37
+0:58
21M
21.00 mi12:46:352:44:077:4912:53
12:53
+1:16
35K
21.75 mi12:56:322:54:048:009:57
13:18
+0:25
23M
23.00 mi13:16:313:14:038:2619:59
15:58
+2:40
24M
24.00 mi13:30:103:27:428:3913:39
13:39
-2:19
40K
24.85 mi13:36:003:33:328:355:50
6:49
-6:50
25.2M
25.20 mi13:38:123:35:448:342:12
6:23
-0:26
Finish
26.22 mi13:45:033:42:358:306:51
6:43
+0:20

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

6:23 /mi

Average Pace

8:30 /mi

Slowest Pace

15:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:57:14

53% of race

Time at Slower Pace

1:45:21

47% of race

Average Pace: 8:29 /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 mi10:22:2219:546:2419:54
6:24
#3179
10K
6.21 mi10:42:1739:496:2419:55
6:25
#3133
15K
9.32 mi11:02:291:00:016:2620:12
6:30
#3260
20K
12.43 mi11:22:501:20:226:2820:21
6:33
#3271
Half
13.11 mi11:27:191:24:516:284:29
6:34
#3324
25K
15.53 mi11:44:491:42:216:3517:30
7:13
#3925
30K
18.64 mi12:17:552:15:277:1633:06
10:39
#8563
20M
20.00 mi12:33:422:31:147:3415:47
11:37
#10782
21M
21.00 mi12:46:352:44:077:4912:53
12:53
#12423
35K
21.75 mi12:56:322:54:048:009:57
13:18
#13803
23M
23.00 mi13:16:313:14:038:2619:59
15:58
#16588
24M
24.00 mi13:30:103:27:428:3913:39
13:39
#17866
40K
24.85 mi13:36:003:33:328:355:50
6:49
#17345
25.2M
25.20 mi13:38:123:35:448:342:12
6:23
#17026
Finish
26.22 mi13:45:033:42:358:306:51
6:43
#16512
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3179302230223595(Top 13%)3399(Top 21%)3399(Top 60%)
10K6.21 mi3.10 mi3133+462980+422980+423121(Top 11%)2970(Top 18%)2970(Top 53%)
15K9.32 mi3.11 mi3260-1273100-1203100-1203595(Top 13%)3399(Top 21%)3399(Top 60%)
20K12.43 mi3.11 mi3271-113114-143114-143429(Top 12%)3248(Top 20%)3248(Top 58%)
Half13.11 mi0.68 mi3324-533161-473161-474247(Top 15%)3986(Top 25%)3986(Top 71%)
25K15.53 mi2.42 mi3925-6013699-5383699-5387749(Top 27%)6609(Top 41%)6609(Top 117%)
30K18.64 mi3.11 mi8563-46387216-35177216-351723278(Top 82%)13734(Top 85%)13734(Top 243%)
20M20.00 mi1.36 mi10782-22198354-11388354-113824730(Top 87%)14335(Top 89%)14335(Top 254%)
21M21.00 mi1.00 mi12423-16419094-7409094-74024903(Top 88%)14318(Top 89%)14318(Top 254%)
35K21.75 mi0.75 mi13803-13809685-5919685-59127209(Top 96%)15441(Top 96%)15441(Top 274%)
23M23.00 mi1.25 mi16588-278510857-117210857-117228143(Top 99%)15931(Top 99%)15931(Top 282%)
24M24.00 mi1.00 mi17866-127811357-50011357-50027432(Top 97%)15504(Top 96%)15504(Top 275%)
40K24.85 mi0.85 mi17345+52111114+24311114+2432986(Top 11%)2695(Top 17%)2695(Top 48%)
25.2M25.20 mi0.35 mi17026+31910962+15210962+152329(Top 1%)307(Top 2%)307(Top 5%)
Finish26.22 mi1.02 mi16512+51410734+22810734+2284036(Top 14%)3469(Top 22%)3469(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3595

Males

3399

M18-39

3399

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3121

Males

2970

M18-39

2970

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3595

Males

3399

M18-39

3399

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3429

Males

3248

M18-39

3248

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4247

Males

3986

M18-39

3986

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7749

Males

6609

M18-39

6609

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

23278

Males

13734

M18-39

13734

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24730

Males

14335

M18-39

14335

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24903

Males

14318

M18-39

14318

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27209

Males

15441

M18-39

15441

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

28143

Males

15931

M18-39

15931

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27432

Males

15504

M18-39

15504

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2986

Males

2695

M18-39

2695

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

329

Males

307

M18-39

307

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4036

Males

3469

M18-39

3469

Passing Analysis

Category:
Athletes Passed
1676
Passed By
15007
Net Change
-13333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3179
5K → 10K155109+46#3179#3133
10K → 15K46173-127#3133#3260
15K → 20K8697-11#3260#3271
20K → Half457-53#3271#3324
Half → 25K10611-601#3324#3925
25K → 30K34641-4638#3925#8563
30K → 20M62223-2219#8563#10782
20M → 21M11642-1641#10782#12423
21M → 35K11381-1380#12423#13803
35K → 23M42789-2785#13803#16588
23M → 24M61284-1278#16588#17866
24M → 40K5210+521#17866#17345
40K → 25.2M3190+319#17345#17026
25.2M → Finish5140+514#17026#16512
TOTALS167615007-13333
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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