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BOSTON MARATHON 2023

Steven Mccormack

Bib: 25558•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
25:20
Rank: #15099
Start → 5K
25:20 | 8:09/mi
10K· 6.21 mi
47:41
Rank: #11562 (+3537)
5K → 10K
22:21 | 7:12/mi
15K· 9.32 mi
1:09:55
Rank: #10065 (+1497)
10K → 15K
22:14 | 7:09/mi
20K· 12.43 mi
1:33:02
Rank: #9700 (+365)
15K → 20K
23:07 | 7:26/mi
Half· 13.11 mi
1:38:08
Rank: #9709 (-9)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:57:50
Rank: #10353 (-644)
Half → 25K
19:42 | 8:08/mi
30K· 18.64 mi
2:25:24
Rank: #11607 (-1254)
25K → 30K
27:34 | 8:52/mi
20M
2:39:06
Rank: #12660 (-1053)
30K → 20M
13:42 | 10:05/mi
21M
2:50:14
Rank: #13499 (-839)
20M → 21M
11:08 | 11:08/mi
35K· 21.75 mi
2:57:29
Rank: #13886 (-387)
21M → 35K
7:15 | 9:41/mi
23M
3:10:16
Rank: #14488 (-602)
35K → 23M
12:47 | 10:13/mi
24M
3:20:19
Rank: #14884 (-396)
23M → 24M
10:03 | 10:03/mi
40K· 24.85 mi
3:28:54
Rank: #15145 (-261)
24M → 40K
8:35 | 10:02/mi
25.2M
3:32:37
Rank: #15269 (-124)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
3:42:50
Rank: #15649 (-380)
25.2M → Finish
10:13 | 10:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:08
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time2:04:42
Pace9:31 /mi
📊Positive Split: 27.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2025:208:0925:20
8:09
-
10K
6.21 mi12:10:4147:417:4022:21
7:12
-0:57
15K
9.32 mi12:32:551:09:557:3022:14
7:09
-0:03
20K
12.43 mi12:56:021:33:027:2923:07
7:26
+0:17
Half
13.11 mi13:01:081:38:087:295:06
7:29
+0:03
25K
15.53 mi13:20:501:57:507:3519:42
8:08
+0:39
30K
18.64 mi13:48:242:25:247:4827:34
8:52
+0:44
20M
20.00 mi14:02:062:39:067:5713:42
10:05
+1:13
21M
21.00 mi14:13:142:50:148:0611:08
11:08
+1:03
35K
21.75 mi14:20:292:57:298:107:15
9:41
-1:27
23M
23.00 mi14:33:163:10:168:1612:47
10:13
+0:32
24M
24.00 mi14:43:193:20:198:2110:03
10:03
-0:10
40K
24.85 mi14:51:543:28:548:248:35
10:02
-0:01
25.2M
25.20 mi14:55:373:32:378:263:43
10:47
+0:45
Finish
26.22 mi15:05:503:42:508:3010:13
10:02
-0:45

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

7:09 /mi

Average Pace

8:30 /mi

Slowest Pace

11:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:24

65% of race

Time at Steady Pace

1:02:35

28% of race

Time at Slower Pace

14:51

7% of race

Average Pace: 8:30 /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 mi11:48:2025:208:0925:20
8:09
#15099
10K
6.21 mi12:10:4147:417:4022:21
7:12
#11562
15K
9.32 mi12:32:551:09:557:3022:14
7:09
#10065
20K
12.43 mi12:56:021:33:027:2923:07
7:26
#9700
Half
13.11 mi13:01:081:38:087:295:06
7:29
#9709
25K
15.53 mi13:20:501:57:507:3519:42
8:08
#10353
30K
18.64 mi13:48:242:25:247:4827:34
8:52
#11607
20M
20.00 mi14:02:062:39:067:5713:42
10:05
#12660
21M
21.00 mi14:13:142:50:148:0611:08
11:08
#13499
35K
21.75 mi14:20:292:57:298:107:15
9:41
#13886
23M
23.00 mi14:33:163:10:168:1612:47
10:13
#14488
24M
24.00 mi14:43:193:20:198:2110:03
10:03
#14884
40K
24.85 mi14:51:543:28:548:248:35
10:02
#15145
25.2M
25.20 mi14:55:373:32:378:263:43
10:47
#15269
Finish
26.22 mi15:05:503:42:508:3010:13
10:02
#15649
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1509910368103687507(Top 28%)6605(Top 44%)6605(Top 125%)
10K6.21 mi3.10 mi11562+35378912+14568912+14568055(Top 30%)6985(Top 46%)6985(Top 132%)
15K9.32 mi3.11 mi10065+14978203+7098203+7097507(Top 28%)6605(Top 44%)6605(Top 125%)
20K12.43 mi3.11 mi9700+3657985+2187985+2188838(Top 33%)7409(Top 49%)7409(Top 140%)
Half13.11 mi0.68 mi9709-97988-37988-310035(Top 38%)8145(Top 54%)8145(Top 154%)
25K15.53 mi2.42 mi10353-6448316-3288316-32813678(Top 51%)9647(Top 64%)9647(Top 183%)
30K18.64 mi3.11 mi11607-12548838-5228838-52216490(Top 62%)10685(Top 70%)10685(Top 202%)
20M20.00 mi1.36 mi12660-10539273-4359273-43520689(Top 78%)12421(Top 82%)12421(Top 235%)
21M21.00 mi1.00 mi13499-8399609-3369609-33621086(Top 79%)12554(Top 83%)12554(Top 238%)
35K21.75 mi0.75 mi13886-3879743-1349743-13420418(Top 77%)12209(Top 80%)12209(Top 231%)
23M23.00 mi1.25 mi14488-6029951-2089951-20820586(Top 77%)12275(Top 81%)12275(Top 232%)
24M24.00 mi1.00 mi14884-39610082-13110082-13120906(Top 79%)12389(Top 82%)12389(Top 234%)
40K24.85 mi0.85 mi15145-26110163-8110163-8120058(Top 75%)11942(Top 79%)11942(Top 226%)
25.2M25.20 mi0.35 mi15269-12410199-3610199-3619869(Top 75%)11848(Top 78%)11848(Top 224%)
Finish26.22 mi1.02 mi15649-38010344-14510344-14521809(Top 82%)12769(Top 84%)12769(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7507

Males

6605

M18-39

6605

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8055

Males

6985

M18-39

6985

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7507

Males

6605

M18-39

6605

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8838

Males

7409

M18-39

7409

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10035

Males

8145

M18-39

8145

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13678

Males

9647

M18-39

9647

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16490

Males

10685

M18-39

10685

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

20689

Males

12421

M18-39

12421

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

21086

Males

12554

M18-39

12554

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20418

Males

12209

M18-39

12209

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20586

Males

12275

M18-39

12275

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20906

Males

12389

M18-39

12389

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20058

Males

11942

M18-39

11942

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19869

Males

11848

M18-39

11848

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21809

Males

12769

M18-39

12769

Passing Analysis

Category:
Athletes Passed
5590*
Passed By
6138
Net Change
-550
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15099
5K → 10K35392+3537#15099#11562
10K → 15K15014+1497#11562#10065
15K → 20K395*30+365#10065#9700
20K → Half1827-9#9700#9709
Half → 25K29671-644#9709#10353
25K → 30K201274-1254#10353#11607
30K → 20M61059-1053#11607#12660
20M → 21M5844-839#12660#13499
21M → 35K8395-387#13499#13886
35K → 23M10612-602#13886#14488
23M → 24M15411-396#14488#14884
24M → 40K18279-261#14884#15145
40K → 25.2M14138-124#15145#15269
25.2M → Finish12392-380#15269#15649
TOTALS5590*6138-550

* 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