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BOSTON MARATHON 2023

Michael Leech

Bib: 12465•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 46%
Masters (Masters Men)
#0 / 9891
Top 34%
Division (M45-49)
#0 / 2252
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13331
Start → 5K
24:35 | 7:55/mi
10K· 6.21 mi
48:07
Rank: #12203 (+1128)
5K → 10K
23:32 | 7:34/mi
15K· 9.32 mi
1:11:32
Rank: #11565 (+638)
10K → 15K
23:25 | 7:32/mi
20K· 12.43 mi
1:34:46
Rank: #10919 (+646)
15K → 20K
23:14 | 7:29/mi
Half· 13.11 mi
1:39:49
Rank: #10840 (+79)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:57:21
Rank: #10076 (+764)
Half → 25K
17:32 | 7:14/mi
30K· 18.64 mi
2:20:37
Rank: #9519 (+557)
25K → 30K
23:16 | 7:29/mi
20M
2:30:48
Rank: #9269 (+250)
30K → 20M
10:11 | 7:30/mi
21M
2:38:40
Rank: #9063 (+206)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:44:04
Rank: #8972 (+91)
21M → 35K
5:24 | 7:13/mi
23M
2:53:29
Rank: #8798 (+174)
35K → 23M
9:25 | 7:31/mi
24M
3:00:57
Rank: #8716 (+82)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:07:17
Rank: #8592 (+124)
24M → 40K
6:20 | 7:24/mi
25.2M
3:10:05
Rank: #8557 (+35)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:17:30
Rank: #8472 (+85)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:39:49
Pace7:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:41
Pace7:27 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3524:357:5524:35
7:55
-
10K
6.21 mi11:16:0748:077:4523:32
7:34
-0:21
15K
9.32 mi11:39:321:11:327:4023:25
7:32
-0:02
20K
12.43 mi12:02:461:34:467:3823:14
7:29
-0:03
Half
13.11 mi12:07:491:39:497:375:03
7:24
-0:05
25K
15.53 mi12:25:211:57:217:3317:32
7:14
-0:10
30K
18.64 mi12:48:372:20:377:3323:16
7:29
+0:15
20M
20.00 mi12:58:482:30:487:3210:11
7:30
+0:01
21M
21.00 mi13:06:402:38:407:337:52
7:52
+0:22
35K
21.75 mi13:12:042:44:047:335:24
7:13
-0:39
23M
23.00 mi13:21:292:53:297:339:25
7:31
+0:18
24M
24.00 mi13:28:573:00:577:327:28
7:28
-0:03
40K
24.85 mi13:35:173:07:177:326:20
7:24
-0:04
25.2M
25.20 mi13:38:053:10:057:332:48
8:07
+0:43
Finish
26.22 mi13:45:303:17:307:327:25
7:17
-0:50

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

7:13 /mi

Average Pace

7:32 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:42

99% of race

Time at Steady Pace

2:48

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi10:52:3524:357:5524:35
7:55
#13331
10K
6.21 mi11:16:0748:077:4523:32
7:34
#12203
15K
9.32 mi11:39:321:11:327:4023:25
7:32
#11565
20K
12.43 mi12:02:461:34:467:3823:14
7:29
#10919
Half
13.11 mi12:07:491:39:497:375:03
7:24
#10840
25K
15.53 mi12:25:211:57:217:3317:32
7:14
#10076
30K
18.64 mi12:48:372:20:377:3323:16
7:29
#9519
20M
20.00 mi12:58:482:30:487:3210:11
7:30
#9269
21M
21.00 mi13:06:402:38:407:337:52
7:52
#9063
35K
21.75 mi13:12:042:44:047:335:24
7:13
#8972
23M
23.00 mi13:21:292:53:297:339:25
7:31
#8798
24M
24.00 mi13:28:573:00:577:327:28
7:28
#8716
40K
24.85 mi13:35:173:07:177:326:20
7:24
#8592
25.2M
25.20 mi13:38:053:10:057:332:48
8:07
#8557
Finish
26.22 mi13:45:303:17:307:327:25
7:17
#8472
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi133319678967810461(Top 39%)8385(Top 55%)8385(Top 372%)
10K6.21 mi3.10 mi12203+11289207+4719207+47111077(Top 42%)8702(Top 57%)8702(Top 386%)
15K9.32 mi3.11 mi11565+6388905+3028905+30210461(Top 39%)8385(Top 55%)8385(Top 372%)
20K12.43 mi3.11 mi10919+6468606+2998606+2999134(Top 34%)7577(Top 50%)7577(Top 336%)
Half13.11 mi0.68 mi10840+798563+438563+439371(Top 35%)7721(Top 51%)7721(Top 343%)
25K15.53 mi2.42 mi10076+7648168+3958168+3956863(Top 26%)6062(Top 40%)6062(Top 269%)
30K18.64 mi3.11 mi9519+5577814+3547814+3547155(Top 27%)6170(Top 41%)6170(Top 274%)
20M20.00 mi1.36 mi9269+2507636+1787636+1786753(Top 25%)5813(Top 38%)5813(Top 258%)
21M21.00 mi1.00 mi9063+2067495+1417495+1416554(Top 25%)5592(Top 37%)5592(Top 248%)
35K21.75 mi0.75 mi8972+917433+627433+626644(Top 25%)5681(Top 37%)5681(Top 252%)
23M23.00 mi1.25 mi8798+1747299+1347299+1346546(Top 25%)5542(Top 37%)5542(Top 246%)
24M24.00 mi1.00 mi8716+827230+697230+697466(Top 28%)5991(Top 39%)5991(Top 266%)
40K24.85 mi0.85 mi8592+1247137+937137+936142(Top 23%)5116(Top 34%)5116(Top 227%)
25.2M25.20 mi0.35 mi8557+357109+287109+287193(Top 27%)5707(Top 38%)5707(Top 253%)
Finish26.22 mi1.02 mi8472+857033+767033+766954(Top 26%)5537(Top 36%)5537(Top 246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10461

Males

8385

M45-49

8385

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11077

Males

8702

M45-49

8702

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10461

Males

8385

M45-49

8385

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9134

Males

7577

M45-49

7577

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9371

Males

7721

M45-49

7721

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6863

Males

6062

M45-49

6062

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7155

Males

6170

M45-49

6170

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6753

Males

5813

M45-49

5813

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6554

Males

5592

M45-49

5592

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6644

Males

5681

M45-49

5681

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6546

Males

5542

M45-49

5542

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7466

Males

5991

M45-49

5991

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6142

Males

5116

M45-49

5116

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7193

Males

5707

M45-49

5707

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6954

Males

5537

M45-49

5537

Passing Analysis

Category:
Athletes Passed
5029*
Passed By
170
Net Change
+4859
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13331
5K → 10K118254+1128#13331#12203
10K → 15K65820+638#12203#11565
15K → 20K6526+646#11565#10919
20K → Half834+79#10919#10840
Half → 25K7640+764#10840#10076
25K → 30K560*3+557#10076#9519
30K → 20M2544+250#9519#9269
20M → 21M2115+206#9269#9063
21M → 35K976+91#9063#8972
35K → 23M1839+174#8972#8798
23M → 24M10018+82#8798#8716
24M → 40K1317+124#8716#8592
40K → 25.2M4712+35#8592#8557
25.2M → Finish10722+85#8557#8472
TOTALS5029*170+4859

* 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