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BOSTON MARATHON 2023

Jonathan Stringfield

Bib: 8675•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 39%
Masters (Masters Men)
#0 / 9891
Top 25%
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
22:18
Rank: #7358
Start → 5K
22:18 | 7:11/mi
10K· 6.21 mi
44:38
Rank: #7644 (-286)
5K → 10K
22:20 | 7:11/mi
15K· 9.32 mi
1:06:56
Rank: #7613 (+31)
10K → 15K
22:18 | 7:11/mi
20K· 12.43 mi
1:29:29
Rank: #7545 (+68)
15K → 20K
22:33 | 7:15/mi
Half· 13.11 mi
1:34:26
Rank: #7567 (-22)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:52:09
Rank: #7509 (+58)
Half → 25K
17:43 | 7:18/mi
30K· 18.64 mi
2:15:32
Rank: #7425 (+84)
25K → 30K
23:23 | 7:32/mi
20M
2:25:48
Rank: #7374 (+51)
30K → 20M
10:16 | 7:33/mi
21M
2:33:29
Rank: #7244 (+130)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:38:52
Rank: #7200 (+44)
21M → 35K
5:23 | 7:12/mi
23M
2:48:09
Rank: #7068 (+132)
35K → 23M
9:17 | 7:25/mi
24M
2:55:28
Rank: #7013 (+55)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
3:01:48
Rank: #6959 (+54)
24M → 40K
6:20 | 7:24/mi
25.2M
3:04:29
Rank: #6898 (+61)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:11:31
Rank: #6774 (+124)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:26
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:37:05
Pace7:24 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2922:187:1122:18
7:11
-
10K
6.21 mi11:09:4944:387:1122:20
7:11
0:00
15K
9.32 mi11:32:071:06:567:1122:18
7:11
0:00
20K
12.43 mi11:54:401:29:297:1222:33
7:15
+0:04
Half
13.11 mi11:59:371:34:267:124:57
7:15
0:00
25K
15.53 mi12:17:201:52:097:1317:43
7:18
+0:03
30K
18.64 mi12:40:432:15:327:1623:23
7:32
+0:14
20M
20.00 mi12:50:592:25:487:1710:16
7:33
+0:01
21M
21.00 mi12:58:402:33:297:197:41
7:41
+0:08
35K
21.75 mi13:04:032:38:527:185:23
7:12
-0:29
23M
23.00 mi13:13:202:48:097:199:17
7:25
+0:13
24M
24.00 mi13:20:392:55:287:197:19
7:19
-0:06
40K
24.85 mi13:26:593:01:487:196:20
7:24
+0:05
25.2M
25.20 mi13:29:403:04:297:192:41
7:47
+0:23
Finish
26.22 mi13:36:423:11:317:197:02
6:54
-0:53

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

6:54 /mi

Average Pace

7:19 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:09

95% of race

Time at Steady Pace

10:22

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:47:2922:187:1122:18
7:11
#7358
10K
6.21 mi11:09:4944:387:1122:20
7:11
#7644
15K
9.32 mi11:32:071:06:567:1122:18
7:11
#7613
20K
12.43 mi11:54:401:29:297:1222:33
7:15
#7545
Half
13.11 mi11:59:371:34:267:124:57
7:15
#7567
25K
15.53 mi12:17:201:52:097:1317:43
7:18
#7509
30K
18.64 mi12:40:432:15:327:1623:23
7:32
#7425
20M
20.00 mi12:50:592:25:487:1710:16
7:33
#7374
21M
21.00 mi12:58:402:33:297:197:41
7:41
#7244
35K
21.75 mi13:04:032:38:527:185:23
7:12
#7200
23M
23.00 mi13:13:202:48:097:199:17
7:25
#7068
24M
24.00 mi13:20:392:55:287:197:19
7:19
#7013
40K
24.85 mi13:26:593:01:487:196:20
7:24
#6959
25.2M
25.20 mi13:29:403:04:297:192:41
7:47
#6898
Finish
26.22 mi13:36:423:11:317:197:02
6:54
#6774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7358654565457635(Top 29%)6681(Top 44%)6681(Top 298%)
10K6.21 mi3.10 mi7644-2866735-1906735-1907999(Top 30%)6936(Top 46%)6936(Top 310%)
15K9.32 mi3.11 mi7613+316699+366699+367635(Top 29%)6681(Top 44%)6681(Top 298%)
20K12.43 mi3.11 mi7545+686639+606639+607482(Top 28%)6547(Top 43%)6547(Top 292%)
Half13.11 mi0.68 mi7567-226648-96648-98185(Top 31%)6999(Top 46%)6999(Top 312%)
25K15.53 mi2.42 mi7509+586604+446604+447318(Top 27%)6362(Top 42%)6362(Top 284%)
30K18.64 mi3.11 mi7425+846511+936511+937388(Top 28%)6315(Top 42%)6315(Top 282%)
20M20.00 mi1.36 mi7374+516458+536458+537155(Top 27%)6072(Top 40%)6072(Top 271%)
21M21.00 mi1.00 mi7244+1306359+996359+995533(Top 21%)4859(Top 32%)4859(Top 217%)
35K21.75 mi0.75 mi7200+446316+436316+436480(Top 24%)5560(Top 37%)5560(Top 248%)
23M23.00 mi1.25 mi7068+1326198+1186198+1185946(Top 22%)5153(Top 34%)5153(Top 230%)
24M24.00 mi1.00 mi7013+556140+586140+586468(Top 24%)5398(Top 36%)5398(Top 241%)
40K24.85 mi0.85 mi6959+546085+556085+556127(Top 23%)5101(Top 34%)5101(Top 228%)
25.2M25.20 mi0.35 mi6898+616031+546031+545283(Top 20%)4463(Top 29%)4463(Top 199%)
Finish26.22 mi1.02 mi6774+1245939+925939+924644(Top 17%)4033(Top 27%)4033(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7635

Males

6681

M40-44

6681

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

7999

Males

6936

M40-44

6936

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7635

Males

6681

M40-44

6681

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7482

Males

6547

M40-44

6547

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8185

Males

6999

M40-44

6999

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7318

Males

6362

M40-44

6362

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7388

Males

6315

M40-44

6315

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7155

Males

6072

M40-44

6072

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5533

Males

4859

M40-44

4859

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6480

Males

5560

M40-44

5560

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5946

Males

5153

M40-44

5153

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6468

Males

5398

M40-44

5398

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6127

Males

5101

M40-44

5101

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5283

Males

4463

M40-44

4463

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4644

Males

4033

M40-44

4033

Passing Analysis

Category:
Athletes Passed
1514
Passed By
930
Net Change
+584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7358
5K → 10K118404-286#7358#7644
10K → 15K147116+31#7644#7613
15K → 20K14274+68#7613#7545
20K → Half1638-22#7545#7567
Half → 25K10951+58#7567#7509
25K → 30K17995+84#7509#7425
30K → 20M9241+51#7425#7374
20M → 21M1399+130#7374#7244
21M → 35K6117+44#7244#7200
35K → 23M15119+132#7200#7068
23M → 24M8833+55#7068#7013
24M → 40K7319+54#7013#6959
40K → 25.2M676+61#6959#6898
25.2M → Finish1328+124#6898#6774
TOTALS1514930+584
📊

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