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BOSTON MARATHON 2023

Damien Leach

Bib: 27434•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
24:10
Rank: #12155
Start → 5K
24:10 | 7:47/mi
10K· 6.21 mi
46:55
Rank: #10478 (+1677)
5K → 10K
22:45 | 7:19/mi
15K· 9.32 mi
1:10:40
Rank: #10780 (-302)
10K → 15K
23:45 | 7:39/mi
20K· 12.43 mi
1:35:26
Rank: #11340 (-560)
15K → 20K
24:46 | 7:58/mi
Half· 13.11 mi
1:40:34
Rank: #11288 (+52)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
2:01:23
Rank: #12296 (-1008)
Half → 25K
20:49 | 8:35/mi
30K· 18.64 mi
2:29:54
Rank: #13606 (-1310)
25K → 30K
28:31 | 9:11/mi
20M
2:41:54
Rank: #13792 (-186)
30K → 20M
12:00 | 8:50/mi
21M
2:51:41
Rank: #14024 (-232)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
2:57:40
Rank: #13938 (+86)
21M → 35K
5:59 | 8:00/mi
23M
3:09:26
Rank: #14216 (-278)
35K → 23M
11:46 | 9:24/mi
24M
3:18:23
Rank: #14364 (-148)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:26:06
Rank: #14430 (-66)
24M → 40K
7:43 | 9:02/mi
25.2M
3:29:23
Rank: #14438 (-8)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:37:55
Rank: #14411 (+27)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:34
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:57:21
Pace8:57 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:4424:107:4724:10
7:47
-
10K
6.21 mi12:04:2946:557:3322:45
7:19
-0:28
15K
9.32 mi12:28:141:10:407:3523:45
7:39
+0:20
20K
12.43 mi12:53:001:35:267:4124:46
7:58
+0:19
Half
13.11 mi12:58:081:40:347:405:08
7:31
-0:27
25K
15.53 mi13:18:572:01:237:4920:49
8:35
+1:04
30K
18.64 mi13:47:282:29:548:0228:31
9:11
+0:36
20M
20.00 mi13:59:282:41:548:0612:00
8:50
-0:21
21M
21.00 mi14:09:152:51:418:119:47
9:47
+0:57
35K
21.75 mi14:15:142:57:408:105:59
8:00
-1:47
23M
23.00 mi14:27:003:09:268:1411:46
9:24
+1:24
24M
24.00 mi14:35:573:18:238:168:57
8:57
-0:27
40K
24.85 mi14:43:403:26:068:187:43
9:02
+0:05
25.2M
25.20 mi14:46:573:29:238:193:17
9:31
+0:29
Finish
26.22 mi14:55:293:37:558:198:32
8:22
-1:09

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

7:19 /mi

Average Pace

8:19 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:33

49% of race

Time at Steady Pace

50:18

23% of race

Time at Slower Pace

1:01:04

28% of race

Average Pace: 8:19 /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 mi11:41:4424:107:4724:10
7:47
#12155
10K
6.21 mi12:04:2946:557:3322:45
7:19
#10478
15K
9.32 mi12:28:141:10:407:3523:45
7:39
#10780
20K
12.43 mi12:53:001:35:267:4124:46
7:58
#11340
Half
13.11 mi12:58:081:40:347:405:08
7:31
#11288
25K
15.53 mi13:18:572:01:237:4920:49
8:35
#12296
30K
18.64 mi13:47:282:29:548:0228:31
9:11
#13606
20M
20.00 mi13:59:282:41:548:0612:00
8:50
#13792
21M
21.00 mi14:09:152:51:418:119:47
9:47
#14024
35K
21.75 mi14:15:142:57:408:105:59
8:00
#13938
23M
23.00 mi14:27:003:09:268:1411:46
9:24
#14216
24M
24.00 mi14:35:573:18:238:168:57
8:57
#14364
40K
24.85 mi14:43:403:26:068:187:43
9:02
#14430
25.2M
25.20 mi14:46:573:29:238:193:17
9:31
#14438
Finish
26.22 mi14:55:293:37:558:198:32
8:22
#14411
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi121559187918711372(Top 43%)8807(Top 58%)8807(Top 167%)
10K6.21 mi3.10 mi10478+16778407+7808407+7809032(Top 34%)7603(Top 50%)7603(Top 144%)
15K9.32 mi3.11 mi10780-3028545-1388545-13811372(Top 43%)8807(Top 58%)8807(Top 167%)
20K12.43 mi3.11 mi11340-5608803-2588803-25813195(Top 50%)9530(Top 63%)9530(Top 180%)
Half13.11 mi0.68 mi11288+528780+238780+2310415(Top 39%)8324(Top 55%)8324(Top 158%)
25K15.53 mi2.42 mi12296-10089168-3889168-38816717(Top 63%)10847(Top 71%)10847(Top 205%)
30K18.64 mi3.11 mi13606-13109686-5189686-51818058(Top 68%)11349(Top 75%)11349(Top 215%)
20M20.00 mi1.36 mi13792-1869742-569742-5615583(Top 59%)10234(Top 67%)10234(Top 194%)
21M21.00 mi1.00 mi14024-2329808-669808-6617168(Top 64%)10854(Top 72%)10854(Top 205%)
35K21.75 mi0.75 mi13938+869759+499759+4912100(Top 45%)8609(Top 57%)8609(Top 163%)
23M23.00 mi1.25 mi14216-2789841-829841-8217915(Top 67%)11073(Top 73%)11073(Top 210%)
24M24.00 mi1.00 mi14364-1489878-379878-3716975(Top 64%)10611(Top 70%)10611(Top 201%)
40K24.85 mi0.85 mi14430-669879-19879-116244(Top 61%)10225(Top 67%)10225(Top 193%)
25.2M25.20 mi0.35 mi14438-89872+79872+715227(Top 57%)9768(Top 64%)9768(Top 185%)
Finish26.22 mi1.02 mi14411+279843+299843+2914540(Top 55%)9509(Top 63%)9509(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11372

Males

8807

M18-39

8807

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9032

Males

7603

M18-39

7603

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11372

Males

8807

M18-39

8807

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13195

Males

9530

M18-39

9530

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10415

Males

8324

M18-39

8324

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16717

Males

10847

M18-39

10847

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

18058

Males

11349

M18-39

11349

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15583

Males

10234

M18-39

10234

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

17168

Males

10854

M18-39

10854

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12100

Males

8609

M18-39

8609

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17915

Males

11073

M18-39

11073

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16975

Males

10611

M18-39

10611

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16244

Males

10225

M18-39

10225

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15227

Males

9768

M18-39

9768

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14540

Males

9509

M18-39

9509

Passing Analysis

Category:
Athletes Passed
2317*
Passed By
4573
Net Change
-2256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12155
5K → 10K1695*18+1677#12155#10478
10K → 15K90392-302#10478#10780
15K → 20K48608-560#10780#11340
20K → Half619+52#11340#11288
Half → 25K111019-1008#11288#12296
25K → 30K181328-1310#12296#13606
30K → 20M47233-186#13606#13792
20M → 21M41273-232#13792#14024
21M → 35K10115+86#14024#13938
35K → 23M34312-278#13938#14216
23M → 24M36184-148#14216#14364
24M → 40K34100-66#14364#14430
40K → 25.2M2634-8#14430#14438
25.2M → Finish7548+27#14438#14411
TOTALS2317*4573-2256

* 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