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BOSTON MARATHON 2023

John Corelli

Bib: 17582•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 50%
Division (M60-64)
#0 / 1110
Top 16%
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
7:52/mi
24:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:37
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:37:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:42:57
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
2:01:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:26:59
↑ 181↓ 1480.2%
20M
9:04/mi
2:39:18
↑ 64↓ 500.2%
21M
8:53/mi
2:48:11
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:54:08
↑ 17↓ 861.7%
23M
8:17/mi
3:04:30
↑ 23↓ 630.6%
24M
7:43/mi
3:12:13
↓ 821.3%
40K· 24.85 mi
7:47/mi
3:18:52
↓ 200.3%
25.2M
8:07/mi
3:21:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:29:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:57
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:46:20
Pace8:07 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1224:277:5224:27
7:52
-
10K
6.21 mi11:39:1748:327:4924:05
7:45
-0:07
15K
9.32 mi12:03:221:12:377:4724:05
7:45
0:00
20K
12.43 mi12:28:231:37:387:5125:01
8:03
+0:18
Half
13.11 mi12:33:421:42:577:515:19
7:48
-0:15
25K
15.53 mi12:52:432:01:587:5119:01
7:51
+0:03
30K
18.64 mi13:17:442:26:597:5325:01
8:03
+0:12
20M
20.00 mi13:30:032:39:187:5812:19
9:04
+1:01
21M
21.00 mi13:38:562:48:118:018:53
8:53
-0:11
35K
21.75 mi13:44:532:54:088:005:57
7:57
-0:56
23M
23.00 mi13:55:153:04:308:0110:22
8:17
+0:20
24M
24.00 mi14:02:583:12:138:017:43
7:43
-0:34
40K
24.85 mi14:09:373:18:528:006:39
7:47
+0:04
25.2M
25.20 mi14:12:253:21:408:002:48
8:07
+0:20
Finish
26.22 mi14:20:023:29:177:597:37
7:28
-0:39

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

7:28 /mi

Average Pace

7:59 /mi

Slowest Pace

9:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:37

4% of race

Time at Steady Pace

2:47:18

80% of race

Time at Slower Pace

34:22

16% of race

Average Pace: 7:59 /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 mi11:15:1224:277:5224:27
7:52
#12983
10K
6.21 mi11:39:1748:327:4924:05
7:45
#12792
15K
9.32 mi12:03:221:12:377:4724:05
7:45
#12590
20K
12.43 mi12:28:231:37:387:5125:01
8:03
#12913
Half
13.11 mi12:33:421:42:577:515:19
7:48
#12898
25K
15.53 mi12:52:432:01:587:5119:01
7:51
#12602
30K
18.64 mi13:17:442:26:597:5325:01
8:03
#12348
20M
20.00 mi13:30:032:39:187:5812:19
9:04
#12742
21M
21.00 mi13:38:562:48:118:018:53
8:53
#12716
35K
21.75 mi13:44:532:54:088:005:57
7:57
#12674
23M
23.00 mi13:55:153:04:308:0110:22
8:17
#12598
24M
24.00 mi14:02:583:12:138:017:43
7:43
#12438
40K
24.85 mi14:09:373:18:528:006:39
7:47
#12289
25.2M
25.20 mi14:12:253:21:408:002:48
8:07
#12199
Finish
26.22 mi14:20:023:29:177:597:37
7:28
#12036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi129839536953612298(Top 46%)9207(Top 61%)9207(Top 829%)
10K6.21 mi3.10 mi12792+1919465+719465+7112679(Top 48%)9413(Top 62%)9413(Top 848%)
15K9.32 mi3.11 mi12590+2029348+1179348+11712298(Top 46%)9207(Top 61%)9207(Top 829%)
20K12.43 mi3.11 mi12913-3239465-1179465-11713831(Top 52%)9805(Top 65%)9805(Top 883%)
Half13.11 mi0.68 mi12898+159459+69459+612592(Top 47%)9317(Top 61%)9317(Top 839%)
25K15.53 mi2.42 mi12602+2969303+1569303+15611442(Top 43%)8690(Top 57%)8690(Top 783%)
30K18.64 mi3.11 mi12348+2549156+1479156+14711310(Top 42%)8504(Top 56%)8504(Top 766%)
20M20.00 mi1.36 mi12742-3949303-1479303-14716848(Top 63%)10761(Top 71%)10761(Top 969%)
21M21.00 mi1.00 mi12716+269276+279276+2712733(Top 48%)8908(Top 59%)8908(Top 803%)
35K21.75 mi0.75 mi12674+429243+339243+3311752(Top 44%)8452(Top 56%)8452(Top 761%)
23M23.00 mi1.25 mi12598+769193+509193+5011725(Top 44%)8343(Top 55%)8343(Top 752%)
24M24.00 mi1.00 mi12438+1609107+869107+869195(Top 35%)6998(Top 46%)6998(Top 630%)
40K24.85 mi0.85 mi12289+1499022+859022+858532(Top 32%)6584(Top 43%)6584(Top 593%)
25.2M25.20 mi0.35 mi12199+908967+558967+557228(Top 27%)5742(Top 38%)5742(Top 517%)
Finish26.22 mi1.02 mi12036+1638873+948873+948373(Top 31%)6389(Top 42%)6389(Top 576%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12298

Males

9207

M60-64

9207

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12679

Males

9413

M60-64

9413

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12298

Males

9207

M60-64

9207

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13831

Males

9805

M60-64

9805

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12592

Males

9317

M60-64

9317

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11442

Males

8690

M60-64

8690

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11310

Males

8504

M60-64

8504

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16848

Males

10761

M60-64

10761

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12733

Males

8908

M60-64

8908

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11752

Males

8452

M60-64

8452

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11725

Males

8343

M60-64

8343

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9195

Males

6998

M60-64

6998

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8532

Males

6584

M60-64

6584

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7228

Males

5742

M60-64

5742

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8373

Males

6389

M60-64

6389

Passing Analysis

Category:
Athletes Passed
2426
Passed By
1479
Net Change
+947
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12983
5K → 10K413222+191#12983#12792
10K → 15K321119+202#12792#12590
15K → 20K96419-323#12590#12913
20K → Half4530+15#12913#12898
Half → 25K31216+296#12898#12602
25K → 30K33177+254#12602#12348
30K → 20M29423-394#12348#12742
20M → 21M10276+26#12742#12716
21M → 35K6523+42#12716#12674
35K → 23M12044+76#12674#12598
23M → 24M1666+160#12598#12438
24M → 40K1578+149#12438#12289
40K → 25.2M922+90#12289#12199
25.2M → Finish17714+163#12199#12036
TOTALS24261479+947
📊

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