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BOSTON MARATHON 2023

James Lytle

Bib: 21470•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:06
Rank: #16873
Start → 5K
8:24/mi
26:06 split
10K· 6.21 mi
52:49
Rank: #17904 (-1031)
5K → 10K
8:36/mi
26:43 split
15K· 9.32 mi
1:19:12
Rank: #17841 (+63)
10K → 15K
8:30/mi
26:23 split
20K· 12.43 mi
1:46:29
Rank: #18018 (-177)
15K → 20K
8:47/mi
27:17 split
Half· 13.11 mi
1:52:24
Rank: #18038 (-20)
20K → Half
8:40/mi
5:55 split
25K· 15.53 mi
2:14:23
Rank: #18270 (-232)
Half → 25K
9:04/mi
21:59 split
30K· 18.64 mi
2:43:31
Rank: #18410 (-140)
25K → 30K
9:23/mi
29:08 split
20M
2:56:12
Rank: #18391 (+19)
30K → 20M
9:20/mi
12:41 split
21M
3:06:03
Rank: #18331 (+60)
20M → 21M
9:51/mi
9:51 split
35K· 21.75 mi
3:12:49
Rank: #18306 (+25)
21M → 35K
9:03/mi
6:46 split
23M
3:24:17
Rank: #18214 (+92)
35K → 23M
9:09/mi
11:28 split
24M
3:33:14
Rank: #18168 (+46)
23M → 24M
8:57/mi
8:57 split
40K· 24.85 mi
3:40:57
Rank: #18098 (+70)
24M → 40K
9:02/mi
7:43 split
25.2M
3:44:25
Rank: #18098
40K → 25.2M
10:03/mi
3:28 split
Finish· 26.22 mi
3:53:26
Rank: #18072 (+26)
25.2M → Finish
8:51/mi
9:01 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:24
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:01:02
Pace9:14 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3926:068:2426:06
8:24
-
10K
6.21 mi11:47:2252:498:3026:43
8:36
+0:12
15K
9.32 mi12:13:451:19:128:3026:23
8:30
-0:06
20K
12.43 mi12:41:021:46:298:3427:17
8:47
+0:17
Half
13.11 mi12:46:571:52:248:345:55
8:40
-0:07
25K
15.53 mi13:08:562:14:238:3921:59
9:04
+0:24
30K
18.64 mi13:38:042:43:318:4629:08
9:23
+0:19
20M
20.00 mi13:50:452:56:128:4912:41
9:20
-0:03
21M
21.00 mi14:00:363:06:038:529:51
9:51
+0:31
35K
21.75 mi14:07:223:12:498:526:46
9:03
-0:48
23M
23.00 mi14:18:503:24:178:5311:28
9:09
+0:06
24M
24.00 mi14:27:473:33:148:538:57
8:57
-0:12
40K
24.85 mi14:35:303:40:578:537:43
9:02
+0:05
25.2M
25.20 mi14:38:583:44:258:543:28
10:03
+1:01
Finish
26.22 mi14:47:593:53:268:559:01
8:51
-1:12

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

8:24 /mi

Average Pace

8:55 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:18

76% of race

Time at Steady Pace

51:40

22% of race

Time at Slower Pace

3:28

1% of race

Average Pace: 8:54 /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 mi11:20:3926:068:2426:06
8:24
#16873
10K
6.21 mi11:47:2252:498:3026:43
8:36
#17904
15K
9.32 mi12:13:451:19:128:3026:23
8:30
#17841
20K
12.43 mi12:41:021:46:298:3427:17
8:47
#18018
Half
13.11 mi12:46:571:52:248:345:55
8:40
#18038
25K
15.53 mi13:08:562:14:238:3921:59
9:04
#18270
30K
18.64 mi13:38:042:43:318:4629:08
9:23
#18410
20M
20.00 mi13:50:452:56:128:4912:41
9:20
#18391
21M
21.00 mi14:00:363:06:038:529:51
9:51
#18331
35K
21.75 mi14:07:223:12:498:526:46
9:03
#18306
23M
23.00 mi14:18:503:24:178:5311:28
9:09
#18214
24M
24.00 mi14:27:473:33:148:538:57
8:57
#18168
40K
24.85 mi14:35:303:40:578:537:43
9:02
#18098
25.2M
25.20 mi14:38:583:44:258:543:28
10:03
#18098
Finish
26.22 mi14:47:593:53:268:559:01
8:51
#18072
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16873110131101317743(Top 67%)11361(Top 75%)11361(Top 1024%)
10K6.21 mi3.10 mi17904-103111416-40311416-40318830(Top 71%)11831(Top 78%)11831(Top 1066%)
15K9.32 mi3.11 mi17841+6311393+2311393+2317743(Top 67%)11361(Top 75%)11361(Top 1024%)
20K12.43 mi3.11 mi18018-17711469-7611469-7618559(Top 70%)11713(Top 77%)11713(Top 1055%)
Half13.11 mi0.68 mi18038-2011485-1611485-1618735(Top 70%)11790(Top 78%)11790(Top 1062%)
25K15.53 mi2.42 mi18270-23211559-7411559-7419264(Top 72%)11953(Top 79%)11953(Top 1077%)
30K18.64 mi3.11 mi18410-14011578-1911578-1918921(Top 71%)11744(Top 77%)11744(Top 1058%)
20M20.00 mi1.36 mi18391+1911564+1411564+1418145(Top 68%)11303(Top 74%)11303(Top 1018%)
21M21.00 mi1.00 mi18331+6011523+4111523+4117430(Top 65%)10965(Top 72%)10965(Top 988%)
35K21.75 mi0.75 mi18306+2511505+1811505+1818065(Top 68%)11167(Top 74%)11167(Top 1006%)
23M23.00 mi1.25 mi18214+9211460+4511460+4516840(Top 63%)10618(Top 70%)10618(Top 957%)
24M24.00 mi1.00 mi18168+4611421+3911421+3916986(Top 64%)10622(Top 70%)10622(Top 957%)
40K24.85 mi0.85 mi18098+7011383+3811383+3816264(Top 61%)10245(Top 68%)10245(Top 923%)
25.2M25.20 mi0.35 mi1809811378+511378+517559(Top 66%)10816(Top 71%)10816(Top 974%)
Finish26.22 mi1.02 mi18072+2611357+2111357+2117250(Top 65%)10722(Top 71%)10722(Top 966%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17743

Males

11361

M60-64

11361

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18830

Males

11831

M60-64

11831

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17743

Males

11361

M60-64

11361

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18559

Males

11713

M60-64

11713

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18735

Males

11790

M60-64

11790

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19264

Males

11953

M60-64

11953

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18921

Males

11744

M60-64

11744

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18145

Males

11303

M60-64

11303

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17430

Males

10965

M60-64

10965

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18065

Males

11167

M60-64

11167

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16840

Males

10618

M60-64

10618

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16986

Males

10622

M60-64

10622

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16264

Males

10245

M60-64

10245

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17559

Males

10816

M60-64

10816

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17250

Males

10722

M60-64

10722

Passing Analysis

Category:
Athletes Passed
1280
Passed By
2479
Net Change
-1199
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16873
5K → 10K621093-1031#16873#17904
10K → 15K225162+63#17904#17841
15K → 20K117294-177#17841#18018
20K → Half2343-20#18018#18038
Half → 25K69301-232#18038#18270
25K → 30K135275-140#18270#18410
30K → 20M9778+19#18410#18391
20M → 21M12060+60#18391#18331
21M → 35K5227+25#18331#18306
35K → 23M12432+92#18306#18214
23M → 24M7428+46#18214#18168
24M → 40K8515+70#18168#18098
40K → 25.2M24240#18098#18098
25.2M → Finish7347+26#18098#18072
TOTALS12802479-1199
📊

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