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BOSTON MARATHON 2023

Hassan Jafri

Bib: 26913•M

MO

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

Start
0:00:00
Race begins
5K· 3.11 mi
34:47
Rank: #25928
Start → 5K
34:47 | 11:12/mi
10K· 6.21 mi
1:11:24
Rank: #26090 (-162)
5K → 10K
36:37 | 11:47/mi
15K· 9.32 mi
1:48:16
Rank: #26060 (+30)
10K → 15K
36:52 | 11:52/mi
20K· 12.43 mi
2:26:03
Rank: #25995 (+65)
15K → 20K
37:47 | 12:10/mi
Half· 13.11 mi
2:34:00
Rank: #25972 (+23)
20K → Half
7:57 | 11:39/mi
25K· 15.53 mi
3:05:35
Rank: #25962 (+10)
Half → 25K
31:35 | 13:02/mi
30K· 18.64 mi
3:48:17
Rank: #25978 (-16)
25K → 30K
42:42 | 13:45/mi
20M
4:07:39
Rank: #25987 (-9)
30K → 20M
19:22 | 14:15/mi
21M
4:23:42
Rank: #26015 (-28)
20M → 21M
16:03 | 16:03/mi
35K· 21.75 mi
4:33:47
Rank: #26014 (+1)
21M → 35K
10:05 | 13:29/mi
23M
4:51:42
Rank: #26017 (-3)
35K → 23M
17:55 | 14:19/mi
24M
5:05:14
Rank: #26025 (-8)
23M → 24M
13:32 | 13:32/mi
40K· 24.85 mi
5:17:36
Rank: #26027 (-2)
24M → 40K
12:22 | 14:28/mi
25.2M
5:23:24
Rank: #26051 (-24)
40K → 25.2M
5:48 | 16:49/mi
Finish· 26.22 mi
5:36:42
Rank: #26054 (-3)
25.2M → Finish
13:18 | 13:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:00
Pace11:45 /mi
2nd Half
Distance13.11 mi
Time3:02:42
Pace13:56 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2434:4711:1234:47
11:12
-
10K
6.21 mi12:30:011:11:2411:2936:37
11:47
+0:35
15K
9.32 mi13:06:531:48:1611:3736:52
11:52
+0:05
20K
12.43 mi13:44:402:26:0311:4537:47
12:10
+0:18
Half
13.11 mi13:52:372:34:0011:457:57
11:39
-0:31
25K
15.53 mi14:24:123:05:3511:5731:35
13:02
+1:23
30K
18.64 mi15:06:543:48:1712:1542:42
13:45
+0:43
20M
20.00 mi15:26:164:07:3912:2319:22
14:15
+0:30
21M
21.00 mi15:42:194:23:4212:3316:03
16:03
+1:48
35K
21.75 mi15:52:244:33:4712:3510:05
13:29
-2:34
23M
23.00 mi16:10:194:51:4212:4117:55
14:19
+0:50
24M
24.00 mi16:23:515:05:1412:4313:32
13:32
-0:47
40K
24.85 mi16:36:135:17:3612:4712:22
14:28
+0:56
25.2M
25.20 mi16:42:015:23:2412:505:48
16:49
+2:21
Finish
26.22 mi16:55:195:36:4212:5113:18
13:03
-3:46

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

11:12 /mi

Average Pace

12:51 /mi

Slowest Pace

16:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:00

46% of race

Time at Steady Pace

2:10:34

39% of race

Time at Slower Pace

52:08

15% of race

Average Pace: 12:50 /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 mi11:53:2434:4711:1234:47
11:12
#25928
10K
6.21 mi12:30:011:11:2411:2936:37
11:47
#26090
15K
9.32 mi13:06:531:48:1611:3736:52
11:52
#26060
20K
12.43 mi13:44:402:26:0311:4537:47
12:10
#25995
Half
13.11 mi13:52:372:34:0011:457:57
11:39
#25972
25K
15.53 mi14:24:123:05:3511:5731:35
13:02
#25962
30K
18.64 mi15:06:543:48:1712:1542:42
13:45
#25978
20M
20.00 mi15:26:164:07:3912:2319:22
14:15
#25987
21M
21.00 mi15:42:194:23:4212:3316:03
16:03
#26015
35K
21.75 mi15:52:244:33:4712:3510:05
13:29
#26014
23M
23.00 mi16:10:194:51:4212:4117:55
14:19
#26017
24M
24.00 mi16:23:515:05:1412:4313:32
13:32
#26025
40K
24.85 mi16:36:135:17:3612:4712:22
14:28
#26027
25.2M
25.20 mi16:42:015:23:2412:505:48
16:49
#26051
Finish
26.22 mi16:55:195:36:4212:5113:18
13:03
#26054
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25928149041490425978(Top 98%)14930(Top 98%)14930(Top 282%)
10K6.21 mi3.10 mi26090-16214967-6314967-6326145(Top 98%)14986(Top 99%)14986(Top 284%)
15K9.32 mi3.11 mi26060+3014962+514962+525978(Top 98%)14930(Top 98%)14930(Top 282%)
20K12.43 mi3.11 mi25995+6514934+2814934+2825745(Top 97%)14807(Top 98%)14807(Top 280%)
Half13.11 mi0.68 mi25972+2314930+414930+425605(Top 96%)14736(Top 97%)14736(Top 279%)
25K15.53 mi2.42 mi25962+1014912+1814912+1825876(Top 97%)14844(Top 98%)14844(Top 281%)
30K18.64 mi3.11 mi25978-1614915-314915-325882(Top 97%)14818(Top 98%)14818(Top 280%)
20M20.00 mi1.36 mi25987-914918-314918-325974(Top 98%)14841(Top 98%)14841(Top 281%)
21M21.00 mi1.00 mi26015-2814927-914927-926239(Top 99%)14976(Top 99%)14976(Top 283%)
35K21.75 mi0.75 mi26014+114925+214925+225875(Top 97%)14778(Top 97%)14778(Top 280%)
23M23.00 mi1.25 mi26017-314921+414921+426008(Top 98%)14844(Top 98%)14844(Top 281%)
24M24.00 mi1.00 mi26025-814918+314918+325825(Top 97%)14716(Top 97%)14716(Top 278%)
40K24.85 mi0.85 mi26027-2149181491825931(Top 97%)14767(Top 97%)14767(Top 279%)
25.2M25.20 mi0.35 mi26051-2414927-914927-926334(Top 99%)14990(Top 99%)14990(Top 284%)
Finish26.22 mi1.02 mi26054-314924+314924+325998(Top 98%)14805(Top 98%)14805(Top 280%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

25978

Males

14930

M18-39

14930

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

26145

Males

14986

M18-39

14986

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

25978

Males

14930

M18-39

14930

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25745

Males

14807

M18-39

14807

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

25605

Males

14736

M18-39

14736

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

25876

Males

14844

M18-39

14844

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25882

Males

14818

M18-39

14818

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

25974

Males

14841

M18-39

14841

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

26239

Males

14976

M18-39

14976

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

25875

Males

14778

M18-39

14778

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

26008

Males

14844

M18-39

14844

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

25825

Males

14716

M18-39

14716

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25931

Males

14767

M18-39

14767

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26334

Males

14990

M18-39

14990

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

25998

Males

14805

M18-39

14805

Passing Analysis

Category:
Athletes Passed
415
Passed By
541
Net Change
-126
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25928
5K → 10K39201-162#25928#26090
10K → 15K7141+30#26090#26060
15K → 20K9025+65#26060#25995
20K → Half329+23#25995#25972
Half → 25K4737+10#25972#25962
25K → 30K4056-16#25962#25978
30K → 20M2231-9#25978#25987
20M → 21M735-28#25987#26015
21M → 35K1413+1#26015#26014
35K → 23M2023-3#26014#26017
23M → 24M1220-8#26017#26025
24M → 40K911-2#26025#26027
40K → 25.2M024-24#26027#26051
25.2M → Finish1215-3#26051#26054
TOTALS415541-126
📊

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