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BOSTON MARATHON 2023

Jenkins Marshall

Bib: 25807•M

NY

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
29:24
Rank: #21981
Start → 5K
29:24 | 9:28/mi
10K· 6.21 mi
56:41
Rank: #21140 (+841)
5K → 10K
27:17 | 8:47/mi
15K· 9.32 mi
1:23:32
Rank: #20396 (+744)
10K → 15K
26:51 | 8:39/mi
20K· 12.43 mi
1:49:44
Rank: #19474 (+922)
15K → 20K
26:12 | 8:26/mi
Half· 13.11 mi
1:55:24
Rank: #19333 (+141)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:16:09
Rank: #18914 (+419)
Half → 25K
20:45 | 8:33/mi
30K· 18.64 mi
2:42:57
Rank: #18224 (+690)
25K → 30K
26:48 | 8:38/mi
20M
2:54:23
Rank: #17831 (+393)
30K → 20M
11:26 | 8:25/mi
21M
3:03:18
Rank: #17564 (+267)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
3:09:24
Rank: #17389 (+175)
21M → 35K
6:06 | 8:09/mi
23M
3:20:01
Rank: #17142 (+247)
35K → 23M
10:37 | 8:29/mi
24M
3:28:24
Rank: #17002 (+140)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:35:43
Rank: #16865 (+137)
24M → 40K
7:19 | 8:33/mi
25.2M
3:38:49
Rank: #16794 (+71)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:46:55
Rank: #16599 (+195)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:55:24
Pace8:48 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:51:31
Pace8:30 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4729:249:2829:24
9:28
-
10K
6.21 mi12:13:0456:419:0727:17
8:47
-0:41
15K
9.32 mi12:39:551:23:328:5826:51
8:39
-0:08
20K
12.43 mi13:06:071:49:448:5026:12
8:26
-0:13
Half
13.11 mi13:11:471:55:248:485:40
8:18
-0:08
25K
15.53 mi13:32:322:16:098:4620:45
8:33
+0:15
30K
18.64 mi13:59:202:42:578:4426:48
8:38
+0:05
20M
20.00 mi14:10:462:54:238:4311:26
8:25
-0:13
21M
21.00 mi14:19:413:03:188:448:55
8:55
+0:30
35K
21.75 mi14:25:473:09:248:436:06
8:09
-0:46
23M
23.00 mi14:36:243:20:018:4210:37
8:29
+0:20
24M
24.00 mi14:44:473:28:248:418:23
8:23
-0:06
40K
24.85 mi14:52:063:35:438:417:19
8:33
+0:10
25.2M
25.20 mi14:55:123:38:498:413:06
8:59
+0:26
Finish
26.22 mi15:03:183:46:558:408:06
7:57
-1:02

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

7:57 /mi

Average Pace

8:40 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:13

70% of race

Time at Steady Pace

39:18

17% of race

Time at Slower Pace

29:24

13% of race

Average Pace: 8:39 /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 mi11:45:4729:249:2829:24
9:28
#21981
10K
6.21 mi12:13:0456:419:0727:17
8:47
#21140
15K
9.32 mi12:39:551:23:328:5826:51
8:39
#20396
20K
12.43 mi13:06:071:49:448:5026:12
8:26
#19474
Half
13.11 mi13:11:471:55:248:485:40
8:18
#19333
25K
15.53 mi13:32:322:16:098:4620:45
8:33
#18914
30K
18.64 mi13:59:202:42:578:4426:48
8:38
#18224
20M
20.00 mi14:10:462:54:238:4311:26
8:25
#17831
21M
21.00 mi14:19:413:03:188:448:55
8:55
#17564
35K
21.75 mi14:25:473:09:248:436:06
8:09
#17389
23M
23.00 mi14:36:243:20:018:4210:37
8:29
#17142
24M
24.00 mi14:44:473:28:248:418:23
8:23
#17002
40K
24.85 mi14:52:063:35:438:417:19
8:33
#16865
25.2M
25.20 mi14:55:123:38:498:413:06
8:59
#16794
Finish
26.22 mi15:03:183:46:558:408:06
7:57
#16599
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21981130861308618679(Top 70%)11747(Top 77%)11747(Top 222%)
10K6.21 mi3.10 mi21140+84112730+35612730+35619827(Top 74%)12208(Top 80%)12208(Top 231%)
15K9.32 mi3.11 mi20396+74412416+31412416+31418679(Top 70%)11747(Top 77%)11747(Top 222%)
20K12.43 mi3.11 mi19474+92212038+37812038+37816439(Top 62%)10809(Top 71%)10809(Top 205%)
Half13.11 mi0.68 mi19333+14111989+4911989+4916479(Top 62%)10871(Top 72%)10871(Top 206%)
25K15.53 mi2.42 mi18914+41911820+16911820+16916531(Top 62%)10770(Top 71%)10770(Top 204%)
30K18.64 mi3.11 mi18224+69011501+31911501+31915063(Top 57%)10077(Top 66%)10077(Top 191%)
20M20.00 mi1.36 mi17831+39311331+17011331+17013095(Top 49%)9175(Top 60%)9175(Top 174%)
21M21.00 mi1.00 mi17564+26711207+12411207+12412931(Top 49%)9011(Top 59%)9011(Top 171%)
35K21.75 mi0.75 mi17389+17511131+7611131+7613140(Top 49%)9055(Top 60%)9055(Top 171%)
23M23.00 mi1.25 mi17142+24711022+10911022+10913087(Top 49%)8959(Top 59%)8959(Top 170%)
24M24.00 mi1.00 mi17002+14010934+8810934+8813756(Top 52%)9215(Top 61%)9215(Top 174%)
40K24.85 mi0.85 mi16865+13710861+7310861+7313688(Top 51%)9108(Top 60%)9108(Top 172%)
25.2M25.20 mi0.35 mi16794+7110828+3310828+3312449(Top 47%)8512(Top 56%)8512(Top 161%)
Finish26.22 mi1.02 mi16599+19510739+8910739+8911729(Top 44%)8162(Top 54%)8162(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18679

Males

11747

M18-39

11747

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19827

Males

12208

M18-39

12208

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18679

Males

11747

M18-39

11747

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16439

Males

10809

M18-39

10809

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16479

Males

10871

M18-39

10871

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16531

Males

10770

M18-39

10770

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15063

Males

10077

M18-39

10077

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13095

Males

9175

M18-39

9175

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

12931

Males

9011

M18-39

9011

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13140

Males

9055

M18-39

9055

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13087

Males

8959

M18-39

8959

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13756

Males

9215

M18-39

9215

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13688

Males

9108

M18-39

9108

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12449

Males

8512

M18-39

8512

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11729

Males

8162

M18-39

8162

Passing Analysis

Category:
Athletes Passed
5479
Passed By
97
Net Change
+5382
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21981
5K → 10K87736+841#21981#21140
10K → 15K75612+744#21140#20396
15K → 20K9220+922#20396#19474
20K → Half1432+141#19474#19333
Half → 25K4245+419#19333#18914
25K → 30K6911+690#18914#18224
30K → 20M3952+393#18224#17831
20M → 21M2736+267#17831#17564
21M → 35K1761+175#17564#17389
35K → 23M2569+247#17389#17142
23M → 24M1499+140#17142#17002
24M → 40K1436+137#17002#16865
40K → 25.2M743+71#16865#16794
25.2M → Finish2005+195#16794#16599
TOTALS547997+5382
📊

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