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BOSTON MARATHON 2023

Joshua Shedroff

Bib: 13253•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 29%
Division (M50-54)
#0 / 2052
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:01
Rank: #8873
Start → 5K
23:01 | 7:25/mi
10K· 6.21 mi
45:22
Rank: #8440 (+433)
5K → 10K
22:21 | 7:12/mi
15K· 9.32 mi
1:07:55
Rank: #8348 (+92)
10K → 15K
22:33 | 7:15/mi
20K· 12.43 mi
1:30:49
Rank: #8306 (+42)
15K → 20K
22:54 | 7:22/mi
Half· 13.11 mi
1:35:45
Rank: #8287 (+19)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:53:36
Rank: #8160 (+127)
Half → 25K
17:51 | 7:22/mi
30K· 18.64 mi
2:17:17
Rank: #8109 (+51)
25K → 30K
23:41 | 7:37/mi
20M
2:27:35
Rank: #8010 (+99)
30K → 20M
10:18 | 7:35/mi
21M
2:35:30
Rank: #7898 (+112)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:41:00
Rank: #7866 (+32)
21M → 35K
5:30 | 7:21/mi
23M
2:50:26
Rank: #7760 (+106)
35K → 23M
9:26 | 7:32/mi
24M
2:57:43
Rank: #7652 (+108)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
3:04:03
Rank: #7572 (+80)
24M → 40K
6:20 | 7:24/mi
25.2M
3:06:47
Rank: #7543 (+29)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:14:07
Rank: #7482 (+61)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:45
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:38:22
Pace7:30 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3623:017:2523:01
7:25
-
10K
6.21 mi11:13:5745:227:1822:21
7:12
-0:13
15K
9.32 mi11:36:301:07:557:1722:33
7:15
+0:03
20K
12.43 mi11:59:241:30:497:1822:54
7:22
+0:07
Half
13.11 mi12:04:201:35:457:184:56
7:14
-0:08
25K
15.53 mi12:22:111:53:367:1917:51
7:22
+0:08
30K
18.64 mi12:45:522:17:177:2223:41
7:37
+0:15
20M
20.00 mi12:56:102:27:357:2310:18
7:35
-0:02
21M
21.00 mi13:04:052:35:307:247:55
7:55
+0:20
35K
21.75 mi13:09:352:41:007:245:30
7:21
-0:34
23M
23.00 mi13:19:012:50:267:259:26
7:32
+0:11
24M
24.00 mi13:26:182:57:437:247:17
7:17
-0:15
40K
24.85 mi13:32:383:04:037:246:20
7:24
+0:07
25.2M
25.20 mi13:35:223:06:477:252:44
7:56
+0:32
Finish
26.22 mi13:42:423:14:077:257:20
7:12
-0:44

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

7:12 /mi

Average Pace

7:25 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:23

99% of race

Time at Steady Pace

2:44

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi10:51:3623:017:2523:01
7:25
#8873
10K
6.21 mi11:13:5745:227:1822:21
7:12
#8440
15K
9.32 mi11:36:301:07:557:1722:33
7:15
#8348
20K
12.43 mi11:59:241:30:497:1822:54
7:22
#8306
Half
13.11 mi12:04:201:35:457:184:56
7:14
#8287
25K
15.53 mi12:22:111:53:367:1917:51
7:22
#8160
30K
18.64 mi12:45:522:17:177:2223:41
7:37
#8109
20M
20.00 mi12:56:102:27:357:2310:18
7:35
#8010
21M
21.00 mi13:04:052:35:307:247:55
7:55
#7898
35K
21.75 mi13:09:352:41:007:245:30
7:21
#7866
23M
23.00 mi13:19:012:50:267:259:26
7:32
#7760
24M
24.00 mi13:26:182:57:437:247:17
7:17
#7652
40K
24.85 mi13:32:383:04:037:246:20
7:24
#7572
25.2M
25.20 mi13:35:223:06:477:252:44
7:56
#7543
Finish
26.22 mi13:42:423:14:077:257:20
7:12
#7482
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8873751575158219(Top 31%)7056(Top 46%)7056(Top 344%)
10K6.21 mi3.10 mi8440+4337233+2827233+2828041(Top 30%)6971(Top 46%)6971(Top 340%)
15K9.32 mi3.11 mi8348+927175+587175+588219(Top 31%)7056(Top 46%)7056(Top 344%)
20K12.43 mi3.11 mi8306+427135+407135+408280(Top 31%)7058(Top 47%)7058(Top 344%)
Half13.11 mi0.68 mi8287+197125+107125+108048(Top 30%)6920(Top 46%)6920(Top 337%)
25K15.53 mi2.42 mi8160+1277011+1147011+1147693(Top 29%)6604(Top 44%)6604(Top 322%)
30K18.64 mi3.11 mi8109+516940+716940+718091(Top 30%)6733(Top 44%)6733(Top 328%)
20M20.00 mi1.36 mi8010+996865+756865+757342(Top 28%)6180(Top 41%)6180(Top 301%)
21M21.00 mi1.00 mi7898+1126783+826783+826820(Top 26%)5754(Top 38%)5754(Top 280%)
35K21.75 mi0.75 mi7866+326747+366747+367455(Top 28%)6159(Top 41%)6159(Top 300%)
23M23.00 mi1.25 mi7760+1066657+906657+906617(Top 25%)5584(Top 37%)5584(Top 272%)
24M24.00 mi1.00 mi7652+1086572+856572+856257(Top 24%)5254(Top 35%)5254(Top 256%)
40K24.85 mi0.85 mi7572+806494+786494+786132(Top 23%)5106(Top 34%)5106(Top 249%)
25.2M25.20 mi0.35 mi7543+296467+276467+276064(Top 23%)4995(Top 33%)4995(Top 243%)
Finish26.22 mi1.02 mi7482+616408+596408+596386(Top 24%)5194(Top 34%)5194(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8219

Males

7056

M50-54

7056

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8041

Males

6971

M50-54

6971

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8219

Males

7056

M50-54

7056

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8280

Males

7058

M50-54

7058

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8048

Males

6920

M50-54

6920

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7693

Males

6604

M50-54

6604

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8091

Males

6733

M50-54

6733

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7342

Males

6180

M50-54

6180

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6820

Males

5754

M50-54

5754

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7455

Males

6159

M50-54

6159

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6617

Males

5584

M50-54

5584

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6257

Males

5254

M50-54

5254

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6132

Males

5106

M50-54

5106

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6064

Males

4995

M50-54

4995

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6386

Males

5194

M50-54

5194

Passing Analysis

Category:
Athletes Passed
2013
Passed By
622
Net Change
+1391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8873
5K → 10K51784+433#8873#8440
10K → 15K18997+92#8440#8348
15K → 20K145103+42#8348#8306
20K → Half289+19#8306#8287
Half → 25K17245+127#8287#8160
25K → 30K155104+51#8160#8109
30K → 20M12930+99#8109#8010
20M → 21M13321+112#8010#7898
21M → 35K5927+32#7898#7866
35K → 23M12923+106#7866#7760
23M → 24M12719+108#7760#7652
24M → 40K9515+80#7652#7572
40K → 25.2M4213+29#7572#7543
25.2M → Finish9332+61#7543#7482
TOTALS2013622+1391
📊

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