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BOSTON MARATHON 2025

Harry Chakmakian

Bib: 27953•M

MA

0:00
0:00
/ mi
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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

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
9:04/mi
28:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
54:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:19:54
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:45:38
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:51:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:11:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:40/mi
2:38:27
↑ 181↓ 1480.2%
20M
9:10/mi
2:50:54
↑ 64↓ 500.2%
21M
8:58/mi
2:59:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
3:05:56
↑ 17↓ 861.7%
23M
8:36/mi
3:16:42
↑ 23↓ 630.6%
24M
8:45/mi
3:25:27
↓ 821.3%
40K· 24.85 mi
9:55/mi
3:33:56
↓ 200.3%
25.2M
9:37/mi
3:37:15
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:45:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:12
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:54:12
Pace8:43 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2928:119:0428:11
9:04
-
10K
6.21 mi12:17:4354:258:4526:14
8:27
-0:37
15K
9.32 mi12:43:121:19:548:3425:29
8:12
-0:15
20K
12.43 mi13:08:561:45:388:3025:44
8:17
+0:05
Half
13.11 mi13:14:301:51:128:295:34
8:10
-0:07
25K
15.53 mi13:34:502:11:328:2820:20
8:23
+0:13
30K
18.64 mi14:01:452:38:278:3026:55
8:40
+0:17
20M
20.00 mi14:14:122:50:548:3312:27
9:10
+0:30
21M
21.00 mi14:23:102:59:528:348:58
8:58
-0:12
35K
21.75 mi14:29:143:05:568:336:04
8:07
-0:51
23M
23.00 mi14:40:003:16:428:3310:46
8:36
+0:29
24M
24.00 mi14:48:453:25:278:348:45
8:45
+0:09
40K
24.85 mi14:57:143:33:568:368:29
9:55
+1:10
25.2M
25.20 mi15:00:333:37:158:373:19
9:37
-0:18
Finish
26.22 mi15:08:423:45:248:368:09
8:00
-1:37

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

8:00 /mi

Average Pace

8:36 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:00

31% of race

Time at Steady Pace

1:33:00

41% of race

Time at Slower Pace

1:01:24

27% of race

Average Pace: 8:36 /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 mi11:51:2928:119:0428:11
9:04
#22720
10K
6.21 mi12:17:4354:258:4526:14
8:27
#21203
15K
9.32 mi12:43:121:19:548:3425:29
8:12
#20088
20K
12.43 mi13:08:561:45:388:3025:44
8:17
#19263
Half
13.11 mi13:14:301:51:128:295:34
8:10
#19138
25K
15.53 mi13:34:502:11:328:2820:20
8:23
#18708
30K
18.64 mi14:01:452:38:278:3026:55
8:40
#18120
20M
20.00 mi14:14:122:50:548:3312:27
9:10
#18052
21M
21.00 mi14:23:102:59:528:348:58
8:58
#17784
35K
21.75 mi14:29:143:05:568:336:04
8:07
#17602
23M
23.00 mi14:40:003:16:428:3310:46
8:36
#17357
24M
24.00 mi14:48:453:25:278:348:45
8:45
#17290
40K
24.85 mi14:57:143:33:568:368:29
9:55
#17453
25.2M
25.20 mi15:00:333:37:158:373:19
9:37
#17422
Finish
26.22 mi15:08:423:45:248:368:09
8:00
#17243
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22720136331363317396(Top 61%)11391(Top 71%)11391(Top 202%)
10K6.21 mi3.10 mi21203+151712978+65512978+65519460(Top 69%)12257(Top 76%)12257(Top 217%)
15K9.32 mi3.11 mi20088+111512509+46912509+46917396(Top 61%)11391(Top 71%)11391(Top 202%)
20K12.43 mi3.11 mi19263+82512152+35712152+35716831(Top 59%)11104(Top 69%)11104(Top 197%)
Half13.11 mi0.68 mi19138+12512097+5512097+5516986(Top 60%)11177(Top 69%)11177(Top 198%)
25K15.53 mi2.42 mi18708+43011904+19311904+19316481(Top 58%)10862(Top 67%)10862(Top 193%)
30K18.64 mi3.11 mi18120+58811605+29911605+29915785(Top 56%)10411(Top 65%)10411(Top 185%)
20M20.00 mi1.36 mi18052+6811547+5811547+5817587(Top 62%)11074(Top 69%)11074(Top 196%)
21M21.00 mi1.00 mi17784+26811418+12911418+12913302(Top 47%)9008(Top 56%)9008(Top 160%)
35K21.75 mi0.75 mi17602+18211311+10711311+10712990(Top 46%)8814(Top 55%)8814(Top 156%)
23M23.00 mi1.25 mi17357+24511165+14611165+14613917(Top 49%)9132(Top 57%)9132(Top 162%)
24M24.00 mi1.00 mi17290+6711111+5411111+5416008(Top 56%)10038(Top 62%)10038(Top 178%)
40K24.85 mi0.85 mi17453-16311155-4411155-4420170(Top 71%)11872(Top 74%)11872(Top 210%)
25.2M25.20 mi0.35 mi17422+3111133+2211133+2215155(Top 53%)9494(Top 59%)9494(Top 168%)
Finish26.22 mi1.02 mi17243+17911045+8811045+8812862(Top 45%)8475(Top 53%)8475(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17396

Males

11391

M18-39

11391

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19460

Males

12257

M18-39

12257

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17396

Males

11391

M18-39

11391

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16831

Males

11104

M18-39

11104

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16986

Males

11177

M18-39

11177

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16481

Males

10862

M18-39

10862

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15785

Males

10411

M18-39

10411

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17587

Males

11074

M18-39

11074

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13302

Males

9008

M18-39

9008

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12990

Males

8814

M18-39

8814

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13917

Males

9132

M18-39

9132

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

16008

Males

10038

M18-39

10038

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20170

Males

11872

M18-39

11872

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15155

Males

9494

M18-39

9494

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12862

Males

8475

M18-39

8475

Passing Analysis

Category:
Athletes Passed
5891
Passed By
414
Net Change
+5477
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22720
5K → 10K152710+1517#22720#21203
10K → 15K11194+1115#21203#20088
15K → 20K8283+825#20088#19263
20K → Half1261+125#19263#19138
Half → 25K4388+430#19138#18708
25K → 30K61426+588#18708#18120
30K → 20M15284+68#18120#18052
20M → 21M2724+268#18052#17784
21M → 35K1842+182#17784#17602
35K → 23M25712+245#17602#17357
23M → 24M11649+67#17357#17290
24M → 40K30193-163#17290#17453
40K → 25.2M4413+31#17453#17422
25.2M → Finish1845+179#17422#17243
TOTALS5891414+5477
📊

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