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BOSTON MARATHON 2023

Robert Jones Jr

Bib: 3773•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:07
Rank: #4642
Start → 5K
21:07 | 6:48/mi
10K· 6.21 mi
42:00
Rank: #4586 (+56)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:02:55
Rank: #4510 (+76)
10K → 15K
20:55 | 6:44/mi
20K· 12.43 mi
1:23:42
Rank: #4204 (+306)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:28:11
Rank: #4151 (+53)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:33
Rank: #4057 (+94)
Half → 25K
16:22 | 6:45/mi
30K· 18.64 mi
2:06:00
Rank: #3948 (+109)
25K → 30K
21:27 | 6:54/mi
20M
2:15:18
Rank: #3824 (+124)
30K → 20M
9:18 | 6:51/mi
21M
2:22:33
Rank: #3758 (+66)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:27:37
Rank: #3765 (-7)
21M → 35K
5:04 | 6:46/mi
23M
2:36:22
Rank: #3739 (+26)
35K → 23M
8:45 | 6:59/mi
24M
2:43:13
Rank: #3739
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:49:29
Rank: #3836 (-97)
24M → 40K
6:16 | 7:20/mi
25.2M
2:52:17
Rank: #3915 (-79)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:59:25
Rank: #4003 (-88)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:11
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:31:14
Pace6:58 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3121:076:4821:07
6:48
-
10K
6.21 mi10:43:2442:006:4620:53
6:43
-0:05
15K
9.32 mi11:04:191:02:556:4520:55
6:44
+0:01
20K
12.43 mi11:25:061:23:426:4420:47
6:41
-0:03
Half
13.11 mi11:29:351:28:116:444:29
6:34
-0:07
25K
15.53 mi11:45:571:44:336:4416:22
6:45
+0:11
30K
18.64 mi12:07:242:06:006:4621:27
6:54
+0:09
20M
20.00 mi12:16:422:15:186:469:18
6:51
-0:03
21M
21.00 mi12:23:572:22:336:477:15
7:15
+0:24
35K
21.75 mi12:29:012:27:376:475:04
6:46
-0:29
23M
23.00 mi12:37:462:36:226:488:45
6:59
+0:13
24M
24.00 mi12:44:372:43:136:486:51
6:51
-0:08
40K
24.85 mi12:50:532:49:296:496:16
7:20
+0:29
25.2M
25.20 mi12:53:412:52:176:502:48
8:07
+0:47
Finish
26.22 mi13:00:492:59:256:517:08
7:00
-1:07

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

6:34 /mi

Average Pace

6:51 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:29

2% of race

Time at Steady Pace

2:38:37

88% of race

Time at Slower Pace

16:19

9% of race

Average Pace: 6:51 /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 mi10:22:3121:076:4821:07
6:48
#4642
10K
6.21 mi10:43:2442:006:4620:53
6:43
#4586
15K
9.32 mi11:04:191:02:556:4520:55
6:44
#4510
20K
12.43 mi11:25:061:23:426:4420:47
6:41
#4204
Half
13.11 mi11:29:351:28:116:444:29
6:34
#4151
25K
15.53 mi11:45:571:44:336:4416:22
6:45
#4057
30K
18.64 mi12:07:242:06:006:4621:27
6:54
#3948
20M
20.00 mi12:16:422:15:186:469:18
6:51
#3824
21M
21.00 mi12:23:572:22:336:477:15
7:15
#3758
35K
21.75 mi12:29:012:27:376:475:04
6:46
#3765
23M
23.00 mi12:37:462:36:226:488:45
6:59
#3739
24M
24.00 mi12:44:372:43:136:486:51
6:51
#3739
40K
24.85 mi12:50:532:49:296:496:16
7:20
#3836
25.2M
25.20 mi12:53:412:52:176:502:48
8:07
#3915
Finish
26.22 mi13:00:492:59:256:517:08
7:00
#4003
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4642432543254439(Top 17%)4148(Top 27%)4148(Top 78%)
10K6.21 mi3.10 mi4586+564282+434282+434557(Top 17%)4254(Top 28%)4254(Top 80%)
15K9.32 mi3.11 mi4510+764214+684214+684439(Top 17%)4148(Top 27%)4148(Top 78%)
20K12.43 mi3.11 mi4204+3063943+2713943+2713501(Top 13%)3315(Top 22%)3315(Top 63%)
Half13.11 mi0.68 mi4151+533896+473896+473262(Top 12%)3112(Top 21%)3112(Top 59%)
25K15.53 mi2.42 mi4057+943812+843812+843757(Top 14%)3537(Top 23%)3537(Top 67%)
30K18.64 mi3.11 mi3948+1093719+933719+933686(Top 14%)3460(Top 23%)3460(Top 65%)
20M20.00 mi1.36 mi3824+1243605+1143605+1143097(Top 12%)2911(Top 19%)2911(Top 55%)
21M21.00 mi1.00 mi3758+663543+623543+623372(Top 13%)3142(Top 21%)3142(Top 59%)
35K21.75 mi0.75 mi3765-73548-53548-54005(Top 15%)3680(Top 24%)3680(Top 70%)
23M23.00 mi1.25 mi3739+263523+253523+253721(Top 14%)3435(Top 23%)3435(Top 65%)
24M24.00 mi1.00 mi37393518+53518+53929(Top 15%)3588(Top 24%)3588(Top 68%)
40K24.85 mi0.85 mi3836-973605-873605-875594(Top 21%)4741(Top 31%)4741(Top 90%)
25.2M25.20 mi0.35 mi3915-793669-643669-647082(Top 27%)5596(Top 37%)5596(Top 106%)
Finish26.22 mi1.02 mi4003-883747-783747-785177(Top 19%)4385(Top 29%)4385(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4439

Males

4148

M18-39

4148

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4557

Males

4254

M18-39

4254

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4439

Males

4148

M18-39

4148

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3501

Males

3315

M18-39

3315

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3262

Males

3112

M18-39

3112

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3757

Males

3537

M18-39

3537

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3686

Males

3460

M18-39

3460

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3097

Males

2911

M18-39

2911

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3372

Males

3142

M18-39

3142

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4005

Males

3680

M18-39

3680

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3721

Males

3435

M18-39

3435

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3929

Males

3588

M18-39

3588

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5594

Males

4741

M18-39

4741

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7082

Males

5596

M18-39

5596

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5177

Males

4385

M18-39

4385

Passing Analysis

Category:
Athletes Passed
1501
Passed By
862
Net Change
+639
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4642
5K → 10K232176+56#4642#4586
10K → 15K16892+76#4586#4510
15K → 20K3137+306#4510#4204
20K → Half585+53#4204#4151
Half → 25K12430+94#4151#4057
25K → 30K16657+109#4057#3948
30K → 20M13915+124#3948#3824
20M → 21M9226+66#3824#3758
21M → 35K2330-7#3758#3765
35K → 23M7852+26#3765#3739
23M → 24M45450#3739#3739
24M → 40K32129-97#3739#3836
40K → 25.2M988-79#3836#3915
25.2M → Finish22110-88#3915#4003
TOTALS1501862+639
📊

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