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BOSTON MARATHON 2023

Nareg Khoshafian

Bib: 25068•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:05/mi
53:18
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:18:42
↑ 67↓ 78
20K· 12.43 mi
8:40/mi
1:45:37
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:51:38
↑ 19↓ 370.5%
25K· 15.53 mi
9:23/mi
2:14:24
↑ 66↓ 880.2%
30K· 18.64 mi
10:06/mi
2:45:47
↑ 181↓ 1480.2%
20M
11:19/mi
3:01:10
↑ 64↓ 500.2%
21M
10:59/mi
3:12:09
↑ 106↓ 241.6%
35K· 21.75 mi
9:52/mi
3:19:32
↑ 17↓ 861.7%
23M
9:56/mi
3:31:58
↑ 23↓ 630.6%
24M
9:38/mi
3:41:36
↓ 821.3%
40K· 24.85 mi
9:17/mi
3:49:32
↓ 200.3%
25.2M
9:34/mi
3:52:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
4:01:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:38
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:09:42
Pace9:54 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3028:119:0428:11
9:04
-
10K
6.21 mi12:14:3753:188:3525:07
8:05
-0:59
15K
9.32 mi12:40:011:18:428:2725:24
8:11
+0:06
20K
12.43 mi13:06:561:45:378:3026:55
8:40
+0:29
Half
13.11 mi13:12:571:51:388:316:01
8:49
+0:09
25K
15.53 mi13:35:432:14:248:3922:46
9:23
+0:34
30K
18.64 mi14:07:062:45:478:5431:23
10:06
+0:43
20M
20.00 mi14:22:293:01:109:0315:23
11:19
+1:13
21M
21.00 mi14:33:283:12:099:0910:59
10:59
-0:20
35K
21.75 mi14:40:513:19:329:107:23
9:52
-1:07
23M
23.00 mi14:53:173:31:589:1312:26
9:56
+0:04
24M
24.00 mi15:02:553:41:369:149:38
9:38
-0:18
40K
24.85 mi15:10:513:49:329:147:56
9:17
-0:21
25.2M
25.20 mi15:14:093:52:509:143:18
9:34
+0:17
Finish
26.22 mi15:22:394:01:209:138:30
8:20
-1:14

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

8:05 /mi

Average Pace

9:13 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:57

38% of race

Time at Steady Pace

1:11:49

30% of race

Time at Slower Pace

1:17:34

32% of race

Average Pace: 9:12 /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 mi11:49:3028:119:0428:11
9:04
#20749
10K
6.21 mi12:14:3753:188:3525:07
8:05
#18386
15K
9.32 mi12:40:011:18:428:2725:24
8:11
#17487
20K
12.43 mi13:06:561:45:378:3026:55
8:40
#17552
Half
13.11 mi13:12:571:51:388:316:01
8:49
#17662
25K
15.53 mi13:35:432:14:248:3922:46
9:23
#18282
30K
18.64 mi14:07:062:45:478:5431:23
10:06
#19071
20M
20.00 mi14:22:293:01:109:0315:23
11:19
#19636
21M
21.00 mi14:33:283:12:099:0910:59
10:59
#19716
35K
21.75 mi14:40:513:19:329:107:23
9:52
#19783
23M
23.00 mi14:53:173:31:589:1312:26
9:56
#19790
24M
24.00 mi15:02:553:41:369:149:38
9:38
#19800
40K
24.85 mi15:10:513:49:329:147:56
9:17
#19721
25.2M
25.20 mi15:14:093:52:509:143:18
9:34
#19665
Finish
26.22 mi15:22:394:01:209:138:30
8:20
#19516
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20749124841248415688(Top 59%)10568(Top 70%)10568(Top 200%)
10K6.21 mi3.10 mi18386+236311616+86811616+86815406(Top 58%)10478(Top 69%)10478(Top 198%)
15K9.32 mi3.11 mi17487+89911259+35711259+35715688(Top 59%)10568(Top 70%)10568(Top 200%)
20K12.43 mi3.11 mi17552-6511283-2411283-2417898(Top 67%)11425(Top 75%)11425(Top 216%)
Half13.11 mi0.68 mi17662-11011321-3811321-3819567(Top 73%)12130(Top 80%)12130(Top 230%)
25K15.53 mi2.42 mi18282-62011565-24411565-24420474(Top 77%)12480(Top 82%)12480(Top 236%)
30K18.64 mi3.11 mi19071-78911872-30711872-30721286(Top 80%)12754(Top 84%)12754(Top 241%)
20M20.00 mi1.36 mi19636-56512095-22312095-22323210(Top 87%)13554(Top 89%)13554(Top 256%)
21M21.00 mi1.00 mi19716-8012119-2412119-2420791(Top 78%)12420(Top 82%)12420(Top 235%)
35K21.75 mi0.75 mi19783-6712142-2312142-2320901(Top 79%)12441(Top 82%)12441(Top 235%)
23M23.00 mi1.25 mi19790-712128+1412128+1419768(Top 74%)11916(Top 79%)11916(Top 225%)
24M24.00 mi1.00 mi19800-1012127+112127+119676(Top 74%)11856(Top 78%)11856(Top 224%)
40K24.85 mi0.85 mi19721+7912083+4412083+4417417(Top 65%)10766(Top 71%)10766(Top 204%)
25.2M25.20 mi0.35 mi19665+5612053+3012053+3015492(Top 58%)9913(Top 65%)9913(Top 188%)
Finish26.22 mi1.02 mi19516+14911982+7111982+7114348(Top 54%)9420(Top 62%)9420(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15688

Males

10568

M18-39

10568

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15406

Males

10478

M18-39

10478

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15688

Males

10568

M18-39

10568

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17898

Males

11425

M18-39

11425

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19567

Males

12130

M18-39

12130

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20474

Males

12480

M18-39

12480

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21286

Males

12754

M18-39

12754

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23210

Males

13554

M18-39

13554

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20791

Males

12420

M18-39

12420

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20901

Males

12441

M18-39

12441

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19768

Males

11916

M18-39

11916

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19676

Males

11856

M18-39

11856

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17417

Males

10766

M18-39

10766

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15492

Males

9913

M18-39

9913

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14348

Males

9420

M18-39

9420

Passing Analysis

Category:
Athletes Passed
4041
Passed By
2808
Net Change
+1233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20749
5K → 10K237310+2363#20749#18386
10K → 15K91213+899#18386#17487
15K → 20K156221-65#17487#17552
20K → Half11121-110#17552#17662
Half → 25K25645-620#17662#18282
25K → 30K39828-789#18282#19071
30K → 20M13578-565#19071#19636
20M → 21M62142-80#19636#19716
21M → 35K2794-67#19716#19783
35K → 23M6875-7#19783#19790
23M → 24M4656-10#19790#19800
24M → 40K9617+79#19800#19721
40K → 25.2M615+56#19721#19665
25.2M → Finish1523+149#19665#19516
TOTALS40412808+1233
📊

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