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BOSTON MARATHON 2023

John Pasch

Bib: 11387•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 44%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M50-54)
#0 / 2052
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:07/mi
22:07
↑ 97↓ 3451.5%
10K· 6.21 mi
6:50/mi
43:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:04/mi
1:05:18
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:27:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:32:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:50:02
↑ 66↓ 880.2%
30K· 18.64 mi
7:32/mi
2:13:25
↑ 181↓ 1480.2%
20M
7:39/mi
2:23:49
↑ 64↓ 500.2%
21M
8:19/mi
2:32:08
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:37:49
↑ 17↓ 861.7%
23M
8:12/mi
2:48:05
↑ 23↓ 630.6%
24M
8:53/mi
2:56:58
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:04:10
↓ 200.3%
25.2M
9:52/mi
3:07:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:16:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:22
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:43:39
Pace7:54 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5122:077:0722:07
7:07
-
10K
6.21 mi11:10:0543:216:5921:14
6:50
-0:17
15K
9.32 mi11:32:021:05:187:0021:57
7:04
+0:14
20K
12.43 mi11:54:141:27:307:0222:12
7:09
+0:05
Half
13.11 mi11:59:061:32:227:034:52
7:08
-0:01
25K
15.53 mi12:16:461:50:027:0517:40
7:17
+0:09
30K
18.64 mi12:40:092:13:257:0923:23
7:32
+0:15
20M
20.00 mi12:50:332:23:497:1110:24
7:39
+0:07
21M
21.00 mi12:58:522:32:087:158:19
8:19
+0:40
35K
21.75 mi13:04:332:37:497:155:41
7:36
-0:43
23M
23.00 mi13:14:492:48:057:1810:16
8:12
+0:36
24M
24.00 mi13:23:422:56:587:228:53
8:53
+0:41
40K
24.85 mi13:30:543:04:107:257:12
8:25
-0:28
25.2M
25.20 mi13:34:183:07:347:273:24
9:52
+1:27
Finish
26.22 mi13:42:453:16:017:298:27
8:18
-1:34

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

6:50 /mi

Average Pace

7:29 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:22

47% of race

Time at Steady Pace

57:08

29% of race

Time at Slower Pace

46:31

24% of race

Average Pace: 7:29 /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 mi10:48:5122:077:0722:07
7:07
#6992
10K
6.21 mi11:10:0543:216:5921:14
6:50
#6364
15K
9.32 mi11:32:021:05:187:0021:57
7:04
#6543
20K
12.43 mi11:54:141:27:307:0222:12
7:09
#6585
Half
13.11 mi11:59:061:32:227:034:52
7:08
#6627
25K
15.53 mi12:16:461:50:027:0517:40
7:17
#6689
30K
18.64 mi12:40:092:13:257:0923:23
7:32
#6732
20M
20.00 mi12:50:332:23:497:1110:24
7:39
#6775
21M
21.00 mi12:58:522:32:087:158:19
8:19
#6848
35K
21.75 mi13:04:332:37:497:155:41
7:36
#6881
23M
23.00 mi13:14:492:48:057:1810:16
8:12
#7049
24M
24.00 mi13:23:422:56:587:228:53
8:53
#7436
40K
24.85 mi13:30:543:04:107:257:12
8:25
#7614
25.2M
25.20 mi13:34:183:07:347:273:24
9:52
#7792
Finish
26.22 mi13:42:453:16:017:298:27
8:18
#8025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6992626762676943(Top 26%)6205(Top 41%)6205(Top 302%)
10K6.21 mi3.10 mi6364+6285768+4995768+4995624(Top 21%)5166(Top 34%)5166(Top 252%)
15K9.32 mi3.11 mi6543-1795905-1375905-1376943(Top 26%)6205(Top 41%)6205(Top 302%)
20K12.43 mi3.11 mi6585-425925-205925-206792(Top 26%)6059(Top 40%)6059(Top 295%)
Half13.11 mi0.68 mi6627-425952-275952-277378(Top 28%)6498(Top 43%)6498(Top 317%)
25K15.53 mi2.42 mi6689-625999-475999-477209(Top 27%)6297(Top 41%)6297(Top 307%)
30K18.64 mi3.11 mi6732-436016-176016-177400(Top 28%)6327(Top 42%)6327(Top 308%)
20M20.00 mi1.36 mi6775-436035-196035-197824(Top 29%)6484(Top 43%)6484(Top 316%)
21M21.00 mi1.00 mi6848-736083-486083-489293(Top 35%)7230(Top 48%)7230(Top 352%)
35K21.75 mi0.75 mi6881-336094-116094-119196(Top 35%)7173(Top 47%)7173(Top 350%)
23M23.00 mi1.25 mi7049-1686185-916185-9111160(Top 42%)8043(Top 53%)8043(Top 392%)
24M24.00 mi1.00 mi7436-3876425-2406425-24016648(Top 63%)10453(Top 69%)10453(Top 509%)
40K24.85 mi0.85 mi7614-1786527-1026527-10212786(Top 48%)8661(Top 57%)8661(Top 422%)
25.2M25.20 mi0.35 mi7792-1786628-1016628-10116722(Top 63%)10408(Top 69%)10408(Top 507%)
Finish26.22 mi1.02 mi8025-2336751-1236751-12314022(Top 53%)9241(Top 61%)9241(Top 450%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

6943

Males

6205

M50-54

6205

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5624

Males

5166

M50-54

5166

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

6943

Males

6205

M50-54

6205

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6792

Males

6059

M50-54

6059

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7378

Males

6498

M50-54

6498

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7209

Males

6297

M50-54

6297

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7400

Males

6327

M50-54

6327

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7824

Males

6484

M50-54

6484

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9293

Males

7230

M50-54

7230

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9196

Males

7173

M50-54

7173

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11160

Males

8043

M50-54

8043

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16648

Males

10453

M50-54

10453

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12786

Males

8661

M50-54

8661

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16722

Males

10408

M50-54

10408

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14022

Males

9241

M50-54

9241

Passing Analysis

Category:
Athletes Passed
1170
Passed By
2203
Net Change
-1033
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6992
5K → 10K64820+628#6992#6364
10K → 15K61240-179#6364#6543
15K → 20K88130-42#6543#6585
20K → Half345-42#6585#6627
Half → 25K64126-62#6627#6689
25K → 30K98141-43#6689#6732
30K → 20M5194-43#6732#6775
20M → 21M40113-73#6775#6848
21M → 35K2659-33#6848#6881
35K → 23M38206-168#6881#7049
23M → 24M6393-387#7049#7436
24M → 40K26204-178#7436#7614
40K → 25.2M3181-178#7614#7792
25.2M → Finish18251-233#7792#8025
TOTALS11702203-1033
📊

Passing Visuals

Category:
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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