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BOSTON MARATHON 2023

Stephen Mccormick

Bib: 27243•M

RI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
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
23:09
Rank: #9228
Start → 5K
23:09 | 7:27/mi
10K· 6.21 mi
46:07
Rank: #9351 (-123)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:48
Rank: #9931 (-580)
10K → 15K
23:41 | 7:37/mi
20K· 12.43 mi
1:33:35
Rank: #10090 (-159)
15K → 20K
23:47 | 7:39/mi
Half· 13.11 mi
1:38:48
Rank: #10161 (-71)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:57:46
Rank: #10311 (-150)
Half → 25K
18:58 | 7:49/mi
30K· 18.64 mi
2:22:52
Rank: #10468 (-157)
25K → 30K
25:06 | 8:05/mi
20M
2:33:44
Rank: #10451 (+17)
30K → 20M
10:52 | 8:00/mi
21M
2:42:24
Rank: #10481 (-30)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
2:48:21
Rank: #10507 (-26)
21M → 35K
5:57 | 7:57/mi
23M
2:59:16
Rank: #10764 (-257)
35K → 23M
10:55 | 8:43/mi
24M
3:07:38
Rank: #10882 (-118)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:14:15
Rank: #10757 (+125)
24M → 40K
6:37 | 7:44/mi
25.2M
3:17:10
Rank: #10715 (+42)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:25:10
Rank: #10704 (+11)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:48
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:46:22
Pace8:07 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:4623:097:2723:09
7:27
-
10K
6.21 mi12:02:4446:077:2522:58
7:24
-0:03
15K
9.32 mi12:26:251:09:487:2923:41
7:37
+0:13
20K
12.43 mi12:50:121:33:357:3223:47
7:39
+0:02
Half
13.11 mi12:55:251:38:487:325:13
7:39
0:00
25K
15.53 mi13:14:231:57:467:3518:58
7:49
+0:10
30K
18.64 mi13:39:292:22:527:4025:06
8:05
+0:16
20M
20.00 mi13:50:212:33:447:4110:52
8:00
-0:05
21M
21.00 mi13:59:012:42:247:448:40
8:40
+0:40
35K
21.75 mi14:04:582:48:217:445:57
7:57
-0:43
23M
23.00 mi14:15:532:59:167:4810:55
8:43
+0:46
24M
24.00 mi14:24:153:07:387:498:22
8:22
-0:21
40K
24.85 mi14:30:523:14:157:496:37
7:44
-0:38
25.2M
25.20 mi14:33:473:17:107:492:55
8:27
+0:43
Finish
26.22 mi14:41:473:25:107:508:00
7:51
-0:36

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

7:24 /mi

Average Pace

7:50 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:18

85% of race

Time at Steady Pace

30:52

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:39:4623:097:2723:09
7:27
#9228
10K
6.21 mi12:02:4446:077:2522:58
7:24
#9351
15K
9.32 mi12:26:251:09:487:2923:41
7:37
#9931
20K
12.43 mi12:50:121:33:357:3223:47
7:39
#10090
Half
13.11 mi12:55:251:38:487:325:13
7:39
#10161
25K
15.53 mi13:14:231:57:467:3518:58
7:49
#10311
30K
18.64 mi13:39:292:22:527:4025:06
8:05
#10468
20M
20.00 mi13:50:212:33:447:4110:52
8:00
#10451
21M
21.00 mi13:59:012:42:247:448:40
8:40
#10481
35K
21.75 mi14:04:582:48:217:445:57
7:57
#10507
23M
23.00 mi14:15:532:59:167:4810:55
8:43
#10764
24M
24.00 mi14:24:153:07:387:498:22
8:22
#10882
40K
24.85 mi14:30:523:14:157:496:37
7:44
#10757
25.2M
25.20 mi14:33:473:17:107:492:55
8:27
#10715
Finish
26.22 mi14:41:473:25:107:508:00
7:51
#10704
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi92287726772611193(Top 42%)8724(Top 57%)8724(Top 165%)
10K6.21 mi3.10 mi9351-1237792-667792-669552(Top 36%)7902(Top 52%)7902(Top 150%)
15K9.32 mi3.11 mi9931-5808124-3328124-33211193(Top 42%)8724(Top 57%)8724(Top 165%)
20K12.43 mi3.11 mi10090-1598199-758199-7510551(Top 40%)8365(Top 55%)8365(Top 158%)
Half13.11 mi0.68 mi10161-718232-338232-3311343(Top 43%)8776(Top 58%)8776(Top 166%)
25K15.53 mi2.42 mi10311-1508295-638295-6311272(Top 42%)8616(Top 57%)8616(Top 163%)
30K18.64 mi3.11 mi10468-1578319-248319-2411497(Top 43%)8581(Top 57%)8581(Top 162%)
20M20.00 mi1.36 mi10451+178289+308289+3010223(Top 38%)7876(Top 52%)7876(Top 149%)
21M21.00 mi1.00 mi10481-308269+208269+2011430(Top 43%)8307(Top 55%)8307(Top 157%)
35K21.75 mi0.75 mi10507-268272-38272-311732(Top 44%)8432(Top 56%)8432(Top 160%)
23M23.00 mi1.25 mi10764-2578359-878359-8714459(Top 54%)9547(Top 63%)9547(Top 181%)
24M24.00 mi1.00 mi10882-1188399-408399-4013600(Top 51%)9124(Top 60%)9124(Top 173%)
40K24.85 mi0.85 mi10757+1258315+848315+848239(Top 31%)6403(Top 42%)6403(Top 121%)
25.2M25.20 mi0.35 mi10715+428278+378278+379218(Top 35%)6878(Top 45%)6878(Top 130%)
Finish26.22 mi1.02 mi10704+118240+388240+3811027(Top 41%)7803(Top 51%)7803(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11193

Males

8724

M18-39

8724

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9552

Males

7902

M18-39

7902

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11193

Males

8724

M18-39

8724

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10551

Males

8365

M18-39

8365

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11343

Males

8776

M18-39

8776

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11272

Males

8616

M18-39

8616

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11497

Males

8581

M18-39

8581

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10223

Males

7876

M18-39

7876

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11430

Males

8307

M18-39

8307

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11732

Males

8432

M18-39

8432

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14459

Males

9547

M18-39

9547

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13600

Males

9124

M18-39

9124

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8239

Males

6403

M18-39

6403

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9218

Males

6878

M18-39

6878

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11027

Males

7803

M18-39

7803

Passing Analysis

Category:
Athletes Passed
1121*
Passed By
2596
Net Change
-1476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9228
5K → 10K216339-123#9228#9351
10K → 15K46625-580#9351#9931
15K → 20K114273-159#9931#10090
20K → Half1384-71#10090#10161
Half → 25K87237-150#10161#10311
25K → 30K119276-157#10311#10468
30K → 20M79*62+17#10468#10451
20M → 21M77107-30#10451#10481
21M → 35K3460-26#10481#10507
35K → 23M33290-257#10507#10764
23M → 24M36154-118#10764#10882
24M → 40K14116+125#10882#10757
40K → 25.2M497+42#10757#10715
25.2M → Finish7766+11#10715#10704
TOTALS1121*2596-1476

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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