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BOSTON MARATHON 2023

Harrison Parsons

Bib: 25768•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

Start
0:00:00
Race begins
5K· 3.11 mi
27:07
Rank: #19057
Start → 5K
8:44/mi
27:07 split
10K· 6.21 mi
53:10
Rank: #18229 (+828)
5K → 10K
8:23/mi
26:03 split
15K· 9.32 mi
1:20:31
Rank: #18689 (-460)
10K → 15K
8:48/mi
27:21 split
20K· 12.43 mi
1:48:40
Rank: #19034 (-345)
15K → 20K
9:04/mi
28:09 split
Half· 13.11 mi
1:54:38
Rank: #19047 (-13)
20K → Half
8:45/mi
5:58 split
25K· 15.53 mi
2:16:52
Rank: #19143 (-96)
Half → 25K
9:10/mi
22:14 split
30K· 18.64 mi
2:47:12
Rank: #19442 (-299)
25K → 30K
9:46/mi
30:20 split
20M
3:03:25
Rank: #20132 (-690)
30K → 20M
11:56/mi
16:13 split
21M
3:16:36
Rank: #20549 (-417)
20M → 21M
13:11/mi
13:11 split
35K· 21.75 mi
3:23:49
Rank: #20535 (+14)
21M → 35K
9:39/mi
7:13 split
23M
3:35:57
Rank: #20431 (+104)
35K → 23M
9:41/mi
12:08 split
24M
3:45:48
Rank: #20420 (+11)
23M → 24M
9:51/mi
9:51 split
40K· 24.85 mi
3:55:38
Rank: #20580 (-160)
24M → 40K
11:30/mi
9:50 split
25.2M
3:59:03
Rank: #20510 (+70)
40K → 25.2M
9:54/mi
3:25 split
Finish· 26.22 mi
4:08:46
Rank: #20498 (+12)
25.2M → Finish
9:32/mi
9:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:38
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:14:08
Pace10:14 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0527:078:4427:07
8:44
-
10K
6.21 mi12:09:0853:108:3326:03
8:23
-0:21
15K
9.32 mi12:36:291:20:318:3827:21
8:48
+0:25
20K
12.43 mi13:04:381:48:408:4528:09
9:04
+0:16
Half
13.11 mi13:10:361:54:388:455:58
8:45
-0:19
25K
15.53 mi13:32:502:16:528:4922:14
9:10
+0:25
30K
18.64 mi14:03:102:47:128:5830:20
9:46
+0:36
20M
20.00 mi14:19:233:03:259:1016:13
11:56
+2:10
21M
21.00 mi14:32:343:16:369:2213:11
13:11
+1:15
35K
21.75 mi14:39:473:23:499:227:13
9:39
-3:32
23M
23.00 mi14:51:553:35:579:2312:08
9:41
+0:02
24M
24.00 mi15:01:463:45:489:259:51
9:51
+0:10
40K
24.85 mi15:11:363:55:389:299:50
11:30
+1:39
25.2M
25.20 mi15:15:013:59:039:293:25
9:54
-1:36
Finish
26.22 mi15:24:444:08:469:309:43
9:32
-0:22

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

8:23 /mi

Average Pace

9:30 /mi

Slowest Pace

13:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:29

35% of race

Time at Steady Pace

2:03:03

49% of race

Time at Slower Pace

39:14

16% of race

Average Pace: 9:29 /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 mi11:43:0527:078:4427:07
8:44
#19057
10K
6.21 mi12:09:0853:108:3326:03
8:23
#18229
15K
9.32 mi12:36:291:20:318:3827:21
8:48
#18689
20K
12.43 mi13:04:381:48:408:4528:09
9:04
#19034
Half
13.11 mi13:10:361:54:388:455:58
8:45
#19047
25K
15.53 mi13:32:502:16:528:4922:14
9:10
#19143
30K
18.64 mi14:03:102:47:128:5830:20
9:46
#19442
20M
20.00 mi14:19:233:03:259:1016:13
11:56
#20132
21M
21.00 mi14:32:343:16:369:2213:11
13:11
#20549
35K
21.75 mi14:39:473:23:499:227:13
9:39
#20535
23M
23.00 mi14:51:553:35:579:2312:08
9:41
#20431
24M
24.00 mi15:01:463:45:489:259:51
9:51
#20420
40K
24.85 mi15:11:363:55:389:299:50
11:30
#20580
25.2M
25.20 mi15:15:013:59:039:293:25
9:54
#20510
Finish
26.22 mi15:24:444:08:469:309:43
9:32
#20498
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19057118041180419528(Top 73%)12106(Top 80%)12106(Top 229%)
10K6.21 mi3.10 mi18229+82811555+24911555+24917486(Top 66%)11293(Top 74%)11293(Top 214%)
15K9.32 mi3.11 mi18689-46011736-18111736-18119528(Top 73%)12106(Top 80%)12106(Top 229%)
20K12.43 mi3.11 mi19034-34511873-13711873-13719968(Top 75%)12287(Top 81%)12287(Top 232%)
Half13.11 mi0.68 mi19047-1311878-511878-519179(Top 72%)11976(Top 79%)11976(Top 227%)
25K15.53 mi2.42 mi19143-9611920-4211920-4219710(Top 74%)12155(Top 80%)12155(Top 230%)
30K18.64 mi3.11 mi19442-29912028-10812028-10820336(Top 76%)12354(Top 81%)12354(Top 234%)
20M20.00 mi1.36 mi20132-69012290-26212290-26224114(Top 91%)13952(Top 92%)13952(Top 264%)
21M21.00 mi1.00 mi20549-41712469-17912469-17924277(Top 91%)14016(Top 92%)14016(Top 265%)
35K21.75 mi0.75 mi20535+1412457+1212457+1220285(Top 76%)12159(Top 80%)12159(Top 230%)
23M23.00 mi1.25 mi20431+10412396+6112396+6119042(Top 72%)11592(Top 76%)11592(Top 219%)
24M24.00 mi1.00 mi20420+1112381+1512381+1520368(Top 77%)12157(Top 80%)12157(Top 230%)
40K24.85 mi0.85 mi20580-16012437-5612437-5623196(Top 87%)13408(Top 88%)13408(Top 254%)
25.2M25.20 mi0.35 mi20510+7012412+2512412+2517005(Top 64%)10582(Top 70%)10582(Top 200%)
Finish26.22 mi1.02 mi20498+1212391+2112391+2120241(Top 76%)12076(Top 80%)12076(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19528

Males

12106

M18-39

12106

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17486

Males

11293

M18-39

11293

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19528

Males

12106

M18-39

12106

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19968

Males

12287

M18-39

12287

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19179

Males

11976

M18-39

11976

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19710

Males

12155

M18-39

12155

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20336

Males

12354

M18-39

12354

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24114

Males

13952

M18-39

13952

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24277

Males

14016

M18-39

14016

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20285

Males

12159

M18-39

12159

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19042

Males

11592

M18-39

11592

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20368

Males

12157

M18-39

12157

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23196

Males

13408

M18-39

13408

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17005

Males

10582

M18-39

10582

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20241

Males

12076

M18-39

12076

Passing Analysis

Category:
Athletes Passed
1642
Passed By
3083
Net Change
-1441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19057
5K → 10K941113+828#19057#18229
10K → 15K60520-460#18229#18689
15K → 20K72417-345#18689#19034
20K → Half2033-13#19034#19047
Half → 25K92188-96#19047#19143
25K → 30K90389-299#19143#19442
30K → 20M12702-690#19442#20132
20M → 21M10427-417#20132#20549
21M → 35K4733+14#20549#20535
35K → 23M12319+104#20535#20431
23M → 24M4433+11#20431#20420
24M → 40K11171-160#20420#20580
40K → 25.2M711+70#20580#20510
25.2M → Finish4937+12#20510#20498
TOTALS16423083-1441
📊

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