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BOSTON MARATHON 2023

Justin Jones

Bib: 2728•M

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
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
25:03
Rank: #14437
Start → 5K
25:03 | 8:04/mi
10K· 6.21 mi
49:32
Rank: #14176 (+261)
5K → 10K
24:29 | 7:53/mi
15K· 9.32 mi
1:14:39
Rank: #14424 (-248)
10K → 15K
25:07 | 8:05/mi
20K· 12.43 mi
1:39:05
Rank: #13883 (+541)
15K → 20K
24:26 | 7:52/mi
Half· 13.11 mi
1:44:18
Rank: #13753 (+130)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
2:03:58
Rank: #13717 (+36)
Half → 25K
19:40 | 8:07/mi
30K· 18.64 mi
2:29:20
Rank: #13380 (+337)
25K → 30K
25:22 | 8:10/mi
20M
2:40:34
Rank: #13267 (+113)
30K → 20M
11:14 | 8:16/mi
21M
2:51:31
Rank: #13968 (-701)
20M → 21M
10:57 | 10:57/mi
35K· 21.75 mi
2:57:54
Rank: #14014 (-46)
21M → 35K
6:23 | 8:32/mi
23M
3:09:02
Rank: #14084 (-70)
35K → 23M
11:08 | 8:54/mi
24M
3:17:34
Rank: #14112 (-28)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:25:25
Rank: #14240 (-128)
24M → 40K
7:51 | 9:11/mi
25.2M
3:29:10
Rank: #14374 (-134)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:38:24
Rank: #14532 (-158)
25.2M → Finish
9:14 | 9:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:18
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:54:06
Pace8:42 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4325:038:0425:03
8:04
-
10K
6.21 mi11:18:1249:327:5824:29
7:53
-0:11
15K
9.32 mi11:43:191:14:398:0125:07
8:05
+0:12
20K
12.43 mi12:07:451:39:057:5824:26
7:52
-0:13
Half
13.11 mi12:12:581:44:187:575:13
7:39
-0:13
25K
15.53 mi12:32:382:03:587:5919:40
8:07
+0:28
30K
18.64 mi12:58:002:29:208:0125:22
8:10
+0:03
20M
20.00 mi13:09:142:40:348:0211:14
8:16
+0:06
21M
21.00 mi13:20:112:51:318:1010:57
10:57
+2:41
35K
21.75 mi13:26:342:57:548:116:23
8:32
-2:25
23M
23.00 mi13:37:423:09:028:1311:08
8:54
+0:22
24M
24.00 mi13:46:143:17:348:148:32
8:32
-0:22
40K
24.85 mi13:54:053:25:258:167:51
9:11
+0:39
25.2M
25.20 mi13:57:503:29:108:183:45
10:52
+1:41
Finish
26.22 mi14:07:043:38:248:209:14
9:04
-1:48

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

7:39 /mi

Average Pace

8:20 /mi

Slowest Pace

10:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:13

2% of race

Time at Steady Pace

2:50:16

78% of race

Time at Slower Pace

42:55

20% of race

Average Pace: 8:20 /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 mi10:53:4325:038:0425:03
8:04
#14437
10K
6.21 mi11:18:1249:327:5824:29
7:53
#14176
15K
9.32 mi11:43:191:14:398:0125:07
8:05
#14424
20K
12.43 mi12:07:451:39:057:5824:26
7:52
#13883
Half
13.11 mi12:12:581:44:187:575:13
7:39
#13753
25K
15.53 mi12:32:382:03:587:5919:40
8:07
#13717
30K
18.64 mi12:58:002:29:208:0125:22
8:10
#13380
20M
20.00 mi13:09:142:40:348:0211:14
8:16
#13267
21M
21.00 mi13:20:112:51:318:1010:57
10:57
#13968
35K
21.75 mi13:26:342:57:548:116:23
8:32
#14014
23M
23.00 mi13:37:423:09:028:1311:08
8:54
#14084
24M
24.00 mi13:46:143:17:348:148:32
8:32
#14112
40K
24.85 mi13:54:053:25:258:167:51
9:11
#14240
25.2M
25.20 mi13:57:503:29:108:183:45
10:52
#14374
Finish
26.22 mi14:07:043:38:248:209:14
9:04
#14532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi14437101271012715043(Top 57%)10322(Top 68%)10322(Top 461%)
10K6.21 mi3.10 mi14176+26110009+11810009+11813803(Top 52%)9861(Top 65%)9861(Top 440%)
15K9.32 mi3.11 mi14424-24810093-8410093-8415043(Top 57%)10322(Top 68%)10322(Top 461%)
20K12.43 mi3.11 mi13883+5419854+2399854+23912281(Top 46%)9144(Top 60%)9144(Top 408%)
Half13.11 mi0.68 mi13753+1309804+509804+5011400(Top 43%)8833(Top 58%)8833(Top 394%)
25K15.53 mi2.42 mi13717+369764+409764+4013576(Top 51%)9595(Top 63%)9595(Top 428%)
30K18.64 mi3.11 mi13380+3379595+1699595+16912092(Top 45%)8846(Top 58%)8846(Top 395%)
20M20.00 mi1.36 mi13267+1139536+599536+5912135(Top 46%)8772(Top 58%)8772(Top 391%)
21M21.00 mi1.00 mi13968-7019786-2509786-25020706(Top 78%)12385(Top 82%)12385(Top 553%)
35K21.75 mi0.75 mi14014-469787-19787-115453(Top 58%)10049(Top 66%)10049(Top 448%)
23M23.00 mi1.25 mi14084-709788-19788-115481(Top 58%)10021(Top 66%)10021(Top 447%)
24M24.00 mi1.00 mi14112-289779+99779+914653(Top 55%)9586(Top 63%)9586(Top 428%)
40K24.85 mi0.85 mi14240-1289807-289807-2816990(Top 64%)10573(Top 70%)10573(Top 472%)
25.2M25.20 mi0.35 mi14374-1349849-429849-4220113(Top 76%)11959(Top 79%)11959(Top 534%)
Finish26.22 mi1.02 mi14532-1589896-479896-4718250(Top 69%)11183(Top 74%)11183(Top 499%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15043

Males

10322

M40-44

10322

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13803

Males

9861

M40-44

9861

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15043

Males

10322

M40-44

10322

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12281

Males

9144

M40-44

9144

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11400

Males

8833

M40-44

8833

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13576

Males

9595

M40-44

9595

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12092

Males

8846

M40-44

8846

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12135

Males

8772

M40-44

8772

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20706

Males

12385

M40-44

12385

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15453

Males

10049

M40-44

10049

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15481

Males

10021

M40-44

10021

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14653

Males

9586

M40-44

9586

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16990

Males

10573

M40-44

10573

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20113

Males

11959

M40-44

11959

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

18250

Males

11183

M40-44

11183

Passing Analysis

Category:
Athletes Passed
2139
Passed By
2234
Net Change
-95
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14437
5K → 10K444183+261#14437#14176
10K → 15K102350-248#14176#14424
15K → 20K55918+541#14424#13883
20K → Half1322+130#13883#13753
Half → 25K151115+36#13753#13717
25K → 30K38144+337#13717#13380
30K → 20M14936+113#13380#13267
20M → 21M6707-701#13267#13968
21M → 35K3379-46#13968#14014
35K → 23M66136-70#14014#14084
23M → 24M5078-28#14084#14112
24M → 40K36164-128#14112#14240
40K → 25.2M5139-134#14240#14374
25.2M → Finish25183-158#14374#14532
TOTALS21392234-95
📊

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