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BOSTON MARATHON 2025

Tony Kharitonov

Bib: 18520•X

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Other)
#0 / 71
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
8:22/mi
26:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
52:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:18:39
↑ 67↓ 78
20K· 12.43 mi
8:35/mi
1:45:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:51:00
↑ 19↓ 370.5%
25K· 15.53 mi
10:18/mi
2:15:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:43:34
↑ 181↓ 1480.2%
20M
9:06/mi
2:55:56
↑ 64↓ 500.2%
21M
9:35/mi
3:05:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:11:52
↑ 17↓ 861.7%
23M
8:57/mi
3:23:04
↑ 23↓ 630.6%
24M
9:09/mi
3:32:13
↓ 821.3%
40K· 24.85 mi
9:17/mi
3:40:09
↓ 200.3%
25.2M
9:23/mi
3:43:23
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:51:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:00
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time2:00:50
Pace9:13 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2226:018:2226:01
8:22
-
10K
6.21 mi11:44:0052:398:2826:38
8:34
+0:12
15K
9.32 mi12:10:001:18:398:2626:00
8:22
-0:12
20K
12.43 mi12:36:391:45:188:2826:39
8:35
+0:13
Half
13.11 mi12:42:211:51:008:285:42
8:21
-0:14
25K
15.53 mi13:07:192:15:588:4524:58
10:18
+1:57
30K
18.64 mi13:34:552:43:348:4627:36
8:53
-1:25
20M
20.00 mi13:47:172:55:568:4812:22
9:06
+0:13
21M
21.00 mi13:56:523:05:318:509:35
9:35
+0:29
35K
21.75 mi14:03:133:11:528:496:21
8:29
-1:06
23M
23.00 mi14:14:253:23:048:5011:12
8:57
+0:28
24M
24.00 mi14:23:343:32:138:519:09
9:09
+0:12
40K
24.85 mi14:31:303:40:098:517:56
9:17
+0:08
25.2M
25.20 mi14:34:443:43:238:523:14
9:23
+0:06
Finish
26.22 mi14:43:113:51:508:518:27
8:18
-1:05

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

8:18 /mi

Average Pace

8:51 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:48

54% of race

Time at Steady Pace

1:00:19

26% of race

Time at Slower Pace

45:43

20% of race

Average Pace: 8:51 /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 mi11:17:2226:018:2226:01
8:22
#19144
10K
6.21 mi11:44:0052:398:2826:38
8:34
#19660
15K
9.32 mi12:10:001:18:398:2626:00
8:22
#19271
20K
12.43 mi12:36:391:45:188:2826:39
8:35
#19098
Half
13.11 mi12:42:211:51:008:285:42
8:21
#19040
25K
15.53 mi13:07:192:15:588:4524:58
10:18
#20370
30K
18.64 mi13:34:552:43:348:4627:36
8:53
#19722
20M
20.00 mi13:47:172:55:568:4812:22
9:06
#19544
21M
21.00 mi13:56:523:05:318:509:35
9:35
#19349
35K
21.75 mi14:03:133:11:528:496:21
8:29
#19227
23M
23.00 mi14:14:253:23:048:5011:12
8:57
#19034
24M
24.00 mi14:23:343:32:138:519:09
9:09
#19002
40K
24.85 mi14:31:303:40:098:517:56
9:17
#18924
25.2M
25.20 mi14:34:443:43:238:523:14
9:23
#18854
Finish
26.22 mi14:43:113:51:508:518:27
8:18
#18706
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi19144575718489(Top 65%)54(Top 76%)54
10K6.21 mi3.10 mi19660-51658-158-120200(Top 71%)57(Top 80%)57
15K9.32 mi3.11 mi19271+38957+157+118489(Top 65%)54(Top 76%)54
20K12.43 mi3.11 mi19098+173575718702(Top 66%)54(Top 76%)54
Half13.11 mi0.68 mi19040+58575718216(Top 64%)53(Top 75%)53
25K15.53 mi2.42 mi20370-1330575723939(Top 84%)62(Top 87%)62
30K18.64 mi3.11 mi19722+64856+156+117046(Top 60%)46(Top 65%)46
20M20.00 mi1.36 mi19544+17855+155+117286(Top 61%)47(Top 66%)47
21M21.00 mi1.00 mi19349+195555516416(Top 58%)46(Top 65%)46
35K21.75 mi0.75 mi19227+122555515332(Top 54%)41(Top 58%)41
23M23.00 mi1.25 mi19034+193555515906(Top 56%)41(Top 58%)41
24M24.00 mi1.00 mi19002+3254+154+118080(Top 64%)43(Top 61%)43
40K24.85 mi0.85 mi18924+78545417697(Top 62%)46(Top 65%)46
25.2M25.20 mi0.35 mi18854+7053+153+113745(Top 48%)41(Top 58%)41
Finish26.22 mi1.02 mi18706+148535314818(Top 52%)41(Top 58%)41

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18489

X

54

Age Div

54

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20200

X

57

Age Div

57

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18489

X

54

Age Div

54

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18702

X

54

Age Div

54

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18216

X

53

Age Div

53

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23939

X

62

Age Div

62

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

17046

X

46

Age Div

46

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17286

X

47

Age Div

47

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16416

X

46

Age Div

46

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15332

X

41

Age Div

41

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15906

X

41

Age Div

41

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18080

X

43

Age Div

43

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17697

X

46

Age Div

46

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13745

X

41

Age Div

41

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14818

X

41

Age Div

41

Passing Analysis

Category:
Athletes Passed
2739
Passed By
2301
Net Change
+438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19144
5K → 10K98614-516#19144#19660
10K → 15K45263+389#19660#19271
15K → 20K279106+173#19271#19098
20K → Half7113+58#19098#19040
Half → 25K161346-1330#19040#20370
25K → 30K66012+648#20370#19722
30K → 20M19921+178#19722#19544
20M → 21M20813+195#19544#19349
21M → 35K1286+122#19349#19227
35K → 23M20310+193#19227#19034
23M → 24M8048+32#19034#19002
24M → 40K10830+78#19002#18924
40K → 25.2M733+70#18924#18854
25.2M → Finish16416+148#18854#18706
TOTALS27392301+438
📊

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