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BOSTON MARATHON 2023

Jeremy Harrison

Bib: 11152•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 37%
Masters (Masters Men)
#0 / 9891
Top 23%
Division (M50-54)
#0 / 2052
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #4255
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
42:04
Rank: #4701 (-446)
5K → 10K
21:04 | 6:47/mi
15K· 9.32 mi
1:03:32
Rank: #5149 (-448)
10K → 15K
21:28 | 6:55/mi
20K· 12.43 mi
1:24:59
Rank: #5224 (-75)
15K → 20K
21:27 | 6:54/mi
Half· 13.11 mi
1:29:37
Rank: #5221 (+3)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:38
Rank: #5324 (-103)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:09:49
Rank: #5608 (-284)
25K → 30K
23:11 | 7:28/mi
20M
2:20:23
Rank: #5762 (-154)
30K → 20M
10:34 | 7:47/mi
21M
2:28:58
Rank: #5954 (-192)
20M → 21M
8:35 | 8:35/mi
35K· 21.75 mi
2:34:41
Rank: #6037 (-83)
21M → 35K
5:43 | 7:38/mi
23M
2:44:46
Rank: #6188 (-151)
35K → 23M
10:05 | 8:03/mi
24M
2:52:23
Rank: #6214 (-26)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
2:58:54
Rank: #6221 (-7)
24M → 40K
6:31 | 7:37/mi
25.2M
3:01:56
Rank: #6283 (-62)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:09:36
Rank: #6326 (-43)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:37
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:39:59
Pace7:38 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0521:006:4621:00
6:46
-
10K
6.21 mi11:09:0942:046:4621:04
6:47
+0:01
15K
9.32 mi11:30:371:03:326:4921:28
6:55
+0:08
20K
12.43 mi11:52:041:24:596:5021:27
6:54
-0:01
Half
13.11 mi11:56:421:29:376:504:38
6:47
-0:07
25K
15.53 mi12:13:431:46:386:5217:01
7:01
+0:14
30K
18.64 mi12:36:542:09:496:5823:11
7:28
+0:27
20M
20.00 mi12:47:282:20:237:0110:34
7:47
+0:19
21M
21.00 mi12:56:032:28:587:068:35
8:35
+0:48
35K
21.75 mi13:01:462:34:417:075:43
7:38
-0:57
23M
23.00 mi13:11:512:44:467:1010:05
8:03
+0:25
24M
24.00 mi13:19:282:52:237:117:37
7:37
-0:26
40K
24.85 mi13:25:592:58:547:126:31
7:37
0:00
25.2M
25.20 mi13:29:013:01:567:133:02
8:48
+1:11
Finish
26.22 mi13:36:413:09:367:147:40
7:31
-1:17

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

6:46 /mi

Average Pace

7:14 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:38

56% of race

Time at Steady Pace

1:01:16

32% of race

Time at Slower Pace

21:42

11% of race

Average Pace: 7:14 /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 mi10:48:0521:006:4621:00
6:46
#4255
10K
6.21 mi11:09:0942:046:4621:04
6:47
#4701
15K
9.32 mi11:30:371:03:326:4921:28
6:55
#5149
20K
12.43 mi11:52:041:24:596:5021:27
6:54
#5224
Half
13.11 mi11:56:421:29:376:504:38
6:47
#5221
25K
15.53 mi12:13:431:46:386:5217:01
7:01
#5324
30K
18.64 mi12:36:542:09:496:5823:11
7:28
#5608
20M
20.00 mi12:47:282:20:237:0110:34
7:47
#5762
21M
21.00 mi12:56:032:28:587:068:35
8:35
#5954
35K
21.75 mi13:01:462:34:417:075:43
7:38
#6037
23M
23.00 mi13:11:512:44:467:1010:05
8:03
#6188
24M
24.00 mi13:19:282:52:237:117:37
7:37
#6214
40K
24.85 mi13:25:592:58:547:126:31
7:37
#6221
25.2M
25.20 mi13:29:013:01:567:133:02
8:48
#6283
Finish
26.22 mi13:36:413:09:367:147:40
7:31
#6326
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4255398439846017(Top 23%)5477(Top 36%)5477(Top 267%)
10K6.21 mi3.10 mi4701-4464383-3994383-3995108(Top 19%)4726(Top 31%)4726(Top 230%)
15K9.32 mi3.11 mi5149-4484775-3924775-3926017(Top 23%)5477(Top 36%)5477(Top 267%)
20K12.43 mi3.11 mi5224-754843-684843-685388(Top 20%)4976(Top 33%)4976(Top 242%)
Half13.11 mi0.68 mi5221+34842+14842+15235(Top 20%)4845(Top 32%)4845(Top 236%)
25K15.53 mi2.42 mi5324-1034927-854927-855688(Top 21%)5213(Top 34%)5213(Top 254%)
30K18.64 mi3.11 mi5608-2845153-2265153-2266961(Top 26%)6035(Top 40%)6035(Top 294%)
20M20.00 mi1.36 mi5762-1545270-1175270-1178630(Top 32%)6963(Top 46%)6963(Top 339%)
21M21.00 mi1.00 mi5954-1925403-1335403-13310931(Top 41%)8076(Top 53%)8076(Top 394%)
35K21.75 mi0.75 mi6037-835459-565459-569496(Top 36%)7333(Top 48%)7333(Top 357%)
23M23.00 mi1.25 mi6188-1515567-1085567-10810088(Top 38%)7519(Top 50%)7519(Top 366%)
24M24.00 mi1.00 mi6214-265576-95576-98476(Top 32%)6588(Top 43%)6588(Top 321%)
40K24.85 mi0.85 mi6221-75568+85568+87420(Top 28%)5880(Top 39%)5880(Top 287%)
25.2M25.20 mi0.35 mi6283-625606-385606-3811202(Top 42%)7865(Top 52%)7865(Top 383%)
Finish26.22 mi1.02 mi6326-435632-265632-268686(Top 33%)6564(Top 43%)6564(Top 320%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6017

Males

5477

M50-54

5477

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5108

Males

4726

M50-54

4726

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6017

Males

5477

M50-54

5477

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5388

Males

4976

M50-54

4976

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5235

Males

4845

M50-54

4845

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5688

Males

5213

M50-54

5213

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6961

Males

6035

M50-54

6035

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8630

Males

6963

M50-54

6963

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10931

Males

8076

M50-54

8076

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9496

Males

7333

M50-54

7333

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10088

Males

7519

M50-54

7519

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8476

Males

6588

M50-54

6588

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7420

Males

5880

M50-54

5880

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11202

Males

7865

M50-54

7865

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8686

Males

6564

M50-54

6564

Passing Analysis

Category:
Athletes Passed
541
Passed By
2612
Net Change
-2071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4255
5K → 10K70516-446#4255#4701
10K → 15K21469-448#4701#5149
15K → 20K86161-75#5149#5224
20K → Half2320+3#5224#5221
Half → 25K67170-103#5221#5324
25K → 30K57341-284#5324#5608
30K → 20M19173-154#5608#5762
20M → 21M18210-192#5762#5954
21M → 35K18101-83#5954#6037
35K → 23M28179-151#6037#6188
23M → 24M5379-26#6188#6214
24M → 40K4148-7#6214#6221
40K → 25.2M769-62#6221#6283
25.2M → Finish3376-43#6283#6326
TOTALS5412612-2071
📊

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