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BOSTON MARATHON 2023

Jason Collins

Bib: 5743•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Masters (Masters Men)
#0 / 9891
Top 7%
Division (M45-49)
#0 / 2252
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #3050
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
40:55
Rank: #3041 (+9)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:28
Rank: #3167 (-126)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:22:15
Rank: #3197 (-30)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:26:44
Rank: #3200 (-3)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:42:47
Rank: #3110 (+90)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:04:04
Rank: #3075 (+35)
25K → 30K
21:17 | 6:51/mi
20M
2:13:15
Rank: #3015 (+60)
30K → 20M
9:11 | 6:45/mi
21M
2:20:32
Rank: #3030 (-15)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:25:25
Rank: #2993 (+37)
21M → 35K
4:53 | 6:32/mi
23M
2:33:53
Rank: #2926 (+67)
35K → 23M
8:28 | 6:46/mi
24M
2:40:33
Rank: #2909 (+17)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:46:21
Rank: #2871 (+38)
24M → 40K
5:48 | 6:47/mi
25.2M
2:48:54
Rank: #2863 (+8)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:55:38
Rank: #2850 (+13)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:44
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:28:54
Pace6:47 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3920:356:3820:35
6:38
-
10K
6.21 mi10:43:5940:556:3520:20
6:33
-0:05
15K
9.32 mi11:04:321:01:286:3620:33
6:37
+0:04
20K
12.43 mi11:25:191:22:156:3720:47
6:41
+0:04
Half
13.11 mi11:29:481:26:446:374:29
6:34
-0:07
25K
15.53 mi11:45:511:42:476:3716:03
6:37
+0:03
30K
18.64 mi12:07:082:04:046:3921:17
6:51
+0:14
20M
20.00 mi12:16:192:13:156:409:11
6:45
-0:06
21M
21.00 mi12:23:362:20:326:427:17
7:17
+0:32
35K
21.75 mi12:28:292:25:256:414:53
6:32
-0:45
23M
23.00 mi12:36:572:33:536:418:28
6:46
+0:14
24M
24.00 mi12:43:372:40:336:416:40
6:40
-0:06
40K
24.85 mi12:49:252:46:216:425:48
6:47
+0:07
25.2M
25.20 mi12:51:582:48:546:422:33
7:24
+0:37
Finish
26.22 mi12:58:422:55:386:426:44
6:36
-0:48

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

6:32 /mi

Average Pace

6:42 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:48

94% of race

Time at Steady Pace

9:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:23:3920:356:3820:35
6:38
#3050
10K
6.21 mi10:43:5940:556:3520:20
6:33
#3041
15K
9.32 mi11:04:321:01:286:3620:33
6:37
#3167
20K
12.43 mi11:25:191:22:156:3720:47
6:41
#3197
Half
13.11 mi11:29:481:26:446:374:29
6:34
#3200
25K
15.53 mi11:45:511:42:476:3716:03
6:37
#3110
30K
18.64 mi12:07:082:04:046:3921:17
6:51
#3075
20M
20.00 mi12:16:192:13:156:409:11
6:45
#3015
21M
21.00 mi12:23:362:20:326:427:17
7:17
#3030
35K
21.75 mi12:28:292:25:256:414:53
6:32
#2993
23M
23.00 mi12:36:572:33:536:418:28
6:46
#2926
24M
24.00 mi12:43:372:40:336:416:40
6:40
#2909
40K
24.85 mi12:49:252:46:216:425:48
6:47
#2871
25.2M
25.20 mi12:51:582:48:546:422:33
7:24
#2863
Finish
26.22 mi12:58:422:55:386:426:44
6:36
#2850
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3050289028903396(Top 13%)3221(Top 21%)3221(Top 143%)
10K6.21 mi3.10 mi3041+92896-62896-63077(Top 12%)2935(Top 19%)2935(Top 130%)
15K9.32 mi3.11 mi3167-1263016-1203016-1203396(Top 13%)3221(Top 21%)3221(Top 143%)
20K12.43 mi3.11 mi3197-303043-273043-273475(Top 13%)3289(Top 22%)3289(Top 146%)
Half13.11 mi0.68 mi3200-33046-33046-33202(Top 12%)3052(Top 20%)3052(Top 136%)
25K15.53 mi2.42 mi3110+902964+822964+822817(Top 11%)2693(Top 18%)2693(Top 120%)
30K18.64 mi3.11 mi3075+352930+342930+343309(Top 12%)3117(Top 21%)3117(Top 138%)
20M20.00 mi1.36 mi3015+602873+572873+572570(Top 10%)2437(Top 16%)2437(Top 108%)
21M21.00 mi1.00 mi3030-152885-122885-123498(Top 13%)3249(Top 21%)3249(Top 144%)
35K21.75 mi0.75 mi2993+372850+352850+352571(Top 10%)2430(Top 16%)2430(Top 108%)
23M23.00 mi1.25 mi2926+672784+662784+662446(Top 9%)2298(Top 15%)2298(Top 102%)
24M24.00 mi1.00 mi2909+172765+192765+192910(Top 11%)2702(Top 18%)2702(Top 120%)
40K24.85 mi0.85 mi2871+382729+362729+362740(Top 10%)2526(Top 17%)2526(Top 112%)
25.2M25.20 mi0.35 mi2863+82720+92720+93347(Top 13%)3030(Top 20%)3030(Top 135%)
Finish26.22 mi1.02 mi2850+132701+192701+193008(Top 11%)2717(Top 18%)2717(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3396

Males

3221

M45-49

3221

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3077

Males

2935

M45-49

2935

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3396

Males

3221

M45-49

3221

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3475

Males

3289

M45-49

3289

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3202

Males

3052

M45-49

3052

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2817

Males

2693

M45-49

2693

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3309

Males

3117

M45-49

3117

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2570

Males

2437

M45-49

2437

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3498

Males

3249

M45-49

3249

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2571

Males

2430

M45-49

2430

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2446

Males

2298

M45-49

2298

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2910

Males

2702

M45-49

2702

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2740

Males

2526

M45-49

2526

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3347

Males

3030

M45-49

3030

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3008

Males

2717

M45-49

2717

Passing Analysis

Category:
Athletes Passed
951
Passed By
751
Net Change
+200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3050
5K → 10K160151+9#3050#3041
10K → 15K42168-126#3041#3167
15K → 20K83113-30#3167#3197
20K → Half1922-3#3197#3200
Half → 25K10818+90#3200#3110
25K → 30K11176+35#3110#3075
30K → 20M7414+60#3075#3015
20M → 21M4257-15#3015#3030
21M → 35K4912+37#3030#2993
35K → 23M8316+67#2993#2926
23M → 24M5235+17#2926#2909
24M → 40K5618+38#2909#2871
40K → 25.2M2416+8#2871#2863
25.2M → Finish4835+13#2863#2850
TOTALS951751+200
📊

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