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BOSTON MARATHON 2023

Jacques Simkins

Bib: 9651•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 50%
Masters (Masters Men)
#0 / 9891
Top 39%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:58
Rank: #6702
Start → 5K
21:58 | 7:04/mi
10K· 6.21 mi
44:18
Rank: #7297 (-595)
5K → 10K
22:20 | 7:11/mi
15K· 9.32 mi
1:06:51
Rank: #7568 (-271)
10K → 15K
22:33 | 7:15/mi
20K· 12.43 mi
1:29:57
Rank: #7816 (-248)
15K → 20K
23:06 | 7:26/mi
Half· 13.11 mi
1:34:58
Rank: #7869 (-53)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:53:30
Rank: #8113 (-244)
Half → 25K
18:32 | 7:39/mi
30K· 18.64 mi
2:18:42
Rank: #8678 (-565)
25K → 30K
25:12 | 8:07/mi
20M
2:29:47
Rank: #8864 (-186)
30K → 20M
11:05 | 8:09/mi
21M
2:38:30
Rank: #9009 (-145)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:44:38
Rank: #9162 (-153)
21M → 35K
6:08 | 8:12/mi
23M
2:55:12
Rank: #9350 (-188)
35K → 23M
10:34 | 8:26/mi
24M
3:03:15
Rank: #9446 (-96)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:10:03
Rank: #9425 (+21)
24M → 40K
6:48 | 7:57/mi
25.2M
3:13:00
Rank: #9403 (+22)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:20:55
Rank: #9436 (-33)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:58
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:45:57
Pace8:05 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2821:587:0421:58
7:04
-
10K
6.21 mi11:09:4844:187:0822:20
7:11
+0:07
15K
9.32 mi11:32:211:06:517:1022:33
7:15
+0:04
20K
12.43 mi11:55:271:29:577:1423:06
7:26
+0:11
Half
13.11 mi12:00:281:34:587:155:01
7:21
-0:05
25K
15.53 mi12:19:001:53:307:1818:32
7:39
+0:18
30K
18.64 mi12:44:122:18:427:2625:12
8:07
+0:28
20M
20.00 mi12:55:172:29:477:2911:05
8:09
+0:02
21M
21.00 mi13:04:002:38:307:338:43
8:43
+0:34
35K
21.75 mi13:10:082:44:387:346:08
8:12
-0:31
23M
23.00 mi13:20:422:55:127:3710:34
8:26
+0:14
24M
24.00 mi13:28:453:03:157:388:03
8:03
-0:23
40K
24.85 mi13:35:333:10:037:396:48
7:57
-0:06
25.2M
25.20 mi13:38:303:13:007:402:57
8:33
+0:36
Finish
26.22 mi13:46:253:20:557:407:55
7:46
-0:47

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

7:04 /mi

Average Pace

7:40 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:30

56% of race

Time at Steady Pace

1:05:11

32% of race

Time at Slower Pace

22:14

11% of race

Average Pace: 7:40 /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 mi10:47:2821:587:0421:58
7:04
#6702
10K
6.21 mi11:09:4844:187:0822:20
7:11
#7297
15K
9.32 mi11:32:211:06:517:1022:33
7:15
#7568
20K
12.43 mi11:55:271:29:577:1423:06
7:26
#7816
Half
13.11 mi12:00:281:34:587:155:01
7:21
#7869
25K
15.53 mi12:19:001:53:307:1818:32
7:39
#8113
30K
18.64 mi12:44:122:18:427:2625:12
8:07
#8678
20M
20.00 mi12:55:172:29:477:2911:05
8:09
#8864
21M
21.00 mi13:04:002:38:307:338:43
8:43
#9009
35K
21.75 mi13:10:082:44:387:346:08
8:12
#9162
23M
23.00 mi13:20:422:55:127:3710:34
8:26
#9350
24M
24.00 mi13:28:453:03:157:388:03
8:03
#9446
40K
24.85 mi13:35:333:10:037:396:48
7:57
#9425
25.2M
25.20 mi13:38:303:13:007:402:57
8:33
#9403
Finish
26.22 mi13:46:253:20:557:407:55
7:46
#9436
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6702604660468232(Top 31%)7069(Top 47%)7069(Top 315%)
10K6.21 mi3.10 mi7297-5956481-4356481-4358019(Top 30%)6956(Top 46%)6956(Top 310%)
15K9.32 mi3.11 mi7568-2716667-1866667-1868232(Top 31%)7069(Top 47%)7069(Top 315%)
20K12.43 mi3.11 mi7816-2486821-1546821-1548793(Top 33%)7375(Top 49%)7375(Top 329%)
Half13.11 mi0.68 mi7869-536853-326853-329006(Top 34%)7522(Top 50%)7522(Top 336%)
25K15.53 mi2.42 mi8113-2446980-1276980-1279858(Top 37%)7900(Top 52%)7900(Top 353%)
30K18.64 mi3.11 mi8678-5657302-3227302-32211707(Top 44%)8668(Top 57%)8668(Top 387%)
20M20.00 mi1.36 mi8864-1867402-1007402-10011360(Top 43%)8422(Top 55%)8422(Top 376%)
21M21.00 mi1.00 mi9009-1457464-627464-6211730(Top 44%)8446(Top 56%)8446(Top 377%)
35K21.75 mi0.75 mi9162-1537538-747538-7413351(Top 50%)9126(Top 60%)9126(Top 407%)
23M23.00 mi1.25 mi9350-1887627-897627-8912813(Top 48%)8819(Top 58%)8819(Top 394%)
24M24.00 mi1.00 mi9446-967659-327659-3211548(Top 43%)8171(Top 54%)8171(Top 365%)
40K24.85 mi0.85 mi9425+217609+507609+509700(Top 36%)7178(Top 47%)7178(Top 320%)
25.2M25.20 mi0.35 mi9403+227587+227587+229808(Top 37%)7194(Top 47%)7194(Top 321%)
Finish26.22 mi1.02 mi9436-337587758710419(Top 39%)7503(Top 49%)7503(Top 335%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8232

Males

7069

M40-44

7069

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8019

Males

6956

M40-44

6956

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8232

Males

7069

M40-44

7069

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8793

Males

7375

M40-44

7375

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9006

Males

7522

M40-44

7522

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9858

Males

7900

M40-44

7900

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11707

Males

8668

M40-44

8668

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11360

Males

8422

M40-44

8422

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11730

Males

8446

M40-44

8446

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13351

Males

9126

M40-44

9126

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12813

Males

8819

M40-44

8819

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11548

Males

8171

M40-44

8171

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9700

Males

7178

M40-44

7178

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9808

Males

7194

M40-44

7194

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10419

Males

7503

M40-44

7503

Passing Analysis

Category:
Athletes Passed
551
Passed By
3285
Net Change
-2734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6702
5K → 10K35630-595#6702#7297
10K → 15K50321-271#7297#7568
15K → 20K52300-248#7568#7816
20K → Half962-53#7816#7869
Half → 25K42286-244#7869#8113
25K → 30K49614-565#8113#8678
30K → 20M33219-186#8678#8864
20M → 21M40185-145#8864#9009
21M → 35K13166-153#9009#9162
35K → 23M34222-188#9162#9350
23M → 24M42138-96#9350#9446
24M → 40K7756+21#9446#9425
40K → 25.2M3513+22#9425#9403
25.2M → Finish4073-33#9403#9436
TOTALS5513285-2734
📊

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