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BOSTON MARATHON 2023

Jeffrey Gordon

Bib: 30331•M

MA

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0:00
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Age Group (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
31:06
Rank: #23468
Start → 5K
31:06 | 10:01/mi
10K· 6.21 mi
1:00:29
Rank: #22990 (+478)
5K → 10K
29:23 | 9:27/mi
15K· 9.32 mi
1:29:57
Rank: #22729 (+261)
10K → 15K
29:28 | 9:29/mi
20K· 12.43 mi
2:03:49
Rank: #23346 (-617)
15K → 20K
33:52 | 10:54/mi
Half· 13.11 mi
2:10:54
Rank: #23380 (-34)
20K → Half
7:05 | 10:23/mi
25K· 15.53 mi
2:38:00
Rank: #23553 (-173)
Half → 25K
27:06 | 11:11/mi
30K· 18.64 mi
3:18:51
Rank: #24102 (-549)
25K → 30K
40:51 | 13:09/mi
20M
3:35:06
Rank: #24122 (-20)
30K → 20M
16:15 | 11:57/mi
21M
3:47:53
Rank: #24114 (+8)
20M → 21M
12:47 | 12:47/mi
35K· 21.75 mi
3:55:19
Rank: #24041 (+73)
21M → 35K
7:26 | 9:56/mi
23M
4:09:38
Rank: #23997 (+44)
35K → 23M
14:19 | 11:26/mi
24M
4:20:45
Rank: #23972 (+25)
23M → 24M
11:07 | 11:07/mi
40K· 24.85 mi
4:30:31
Rank: #23936 (+36)
24M → 40K
9:46 | 11:25/mi
25.2M
4:35:36
Rank: #23982 (-46)
40K → 25.2M
5:05 | 14:44/mi
Finish· 26.22 mi
4:47:23
Rank: #24020 (-38)
25.2M → Finish
11:47 | 11:34/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time2:10:54
Pace9:59 /mi
2nd Half
Distance13.11 mi
Time2:36:29
Pace11:56 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4331:0610:0131:06
10:01
-
10K
6.21 mi12:20:061:00:299:4429:23
9:27
-0:34
15K
9.32 mi12:49:341:29:579:3929:28
9:29
+0:02
20K
12.43 mi13:23:262:03:499:5833:52
10:54
+1:25
Half
13.11 mi13:30:312:10:549:597:05
10:23
-0:31
25K
15.53 mi13:57:372:38:0010:1027:06
11:11
+0:48
30K
18.64 mi14:38:283:18:5110:4040:51
13:09
+1:58
20M
20.00 mi14:54:433:35:0610:4516:15
11:57
-1:12
21M
21.00 mi15:07:303:47:5310:5112:47
12:47
+0:50
35K
21.75 mi15:14:563:55:1910:497:26
9:56
-2:51
23M
23.00 mi15:29:154:09:3810:5114:19
11:26
+1:30
24M
24.00 mi15:40:224:20:4510:5211:07
11:07
-0:19
40K
24.85 mi15:50:084:30:3110:539:46
11:25
+0:18
25.2M
25.20 mi15:55:134:35:3610:565:05
14:44
+3:19
Finish
26.22 mi16:07:004:47:2310:5811:47
11:34
-3:10

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

9:27 /mi

Average Pace

10:58 /mi

Slowest Pace

14:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:44:28

36% of race

Time at Steady Pace

1:47:57

38% of race

Time at Slower Pace

1:14:58

26% of race

Average Pace: 10:58 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:50:4331:0610:0131:06
10:01
#23468
10K
6.21 mi12:20:061:00:299:4429:23
9:27
#22990
15K
9.32 mi12:49:341:29:579:3929:28
9:29
#22729
20K
12.43 mi13:23:262:03:499:5833:52
10:54
#23346
Half
13.11 mi13:30:312:10:549:597:05
10:23
#23380
25K
15.53 mi13:57:372:38:0010:1027:06
11:11
#23553
30K
18.64 mi14:38:283:18:5110:4040:51
13:09
#24102
20M
20.00 mi14:54:433:35:0610:4516:15
11:57
#24122
21M
21.00 mi15:07:303:47:5310:5112:47
12:47
#24114
35K
21.75 mi15:14:563:55:1910:497:26
9:56
#24041
23M
23.00 mi15:29:154:09:3810:5114:19
11:26
#23997
24M
24.00 mi15:40:224:20:4510:5211:07
11:07
#23972
40K
24.85 mi15:50:084:30:3110:539:46
11:25
#23936
25.2M
25.20 mi15:55:134:35:3610:565:05
14:44
#23982
Finish
26.22 mi16:07:004:47:2310:5811:47
11:34
#24020
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23468138131381322216(Top 83%)13283(Top 88%)13283(Top 251%)
10K6.21 mi3.10 mi22990+47813612+20113612+20122389(Top 84%)13343(Top 88%)13343(Top 252%)
15K9.32 mi3.11 mi22729+26113508+10413508+10422216(Top 83%)13283(Top 88%)13283(Top 251%)
20K12.43 mi3.11 mi23346-61713793-28513793-28524482(Top 92%)14266(Top 94%)14266(Top 270%)
Half13.11 mi0.68 mi23380-3413812-1913812-1923986(Top 90%)14058(Top 93%)14058(Top 266%)
25K15.53 mi2.42 mi23553-17313880-6813880-6824233(Top 91%)14135(Top 93%)14135(Top 267%)
30K18.64 mi3.11 mi24102-54914109-22914109-22925538(Top 96%)14655(Top 97%)14655(Top 277%)
20M20.00 mi1.36 mi24122-2014097+1214097+1224144(Top 91%)13969(Top 92%)13969(Top 264%)
21M21.00 mi1.00 mi24114+814081+1614081+1623813(Top 89%)13803(Top 91%)13803(Top 261%)
35K21.75 mi0.75 mi24041+7314052+2914052+2921111(Top 79%)12549(Top 83%)12549(Top 237%)
23M23.00 mi1.25 mi23997+4414019+3314019+3323129(Top 87%)13449(Top 89%)13449(Top 254%)
24M24.00 mi1.00 mi23972+2514001+1814001+1823263(Top 87%)13466(Top 89%)13466(Top 255%)
40K24.85 mi0.85 mi23936+3613976+2513976+2523087(Top 87%)13357(Top 88%)13357(Top 253%)
25.2M25.20 mi0.35 mi23982-4613997-2113997-2125545(Top 96%)14569(Top 96%)14569(Top 276%)
Finish26.22 mi1.02 mi24020-3814007-1014007-1024753(Top 93%)14195(Top 94%)14195(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22216

Males

13283

M18-39

13283

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22389

Males

13343

M18-39

13343

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22216

Males

13283

M18-39

13283

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24482

Males

14266

M18-39

14266

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

23986

Males

14058

M18-39

14058

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24233

Males

14135

M18-39

14135

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

25538

Males

14655

M18-39

14655

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24144

Males

13969

M18-39

13969

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23813

Males

13803

M18-39

13803

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21111

Males

12549

M18-39

12549

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23129

Males

13449

M18-39

13449

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23263

Males

13466

M18-39

13466

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23087

Males

13357

M18-39

13357

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25545

Males

14569

M18-39

14569

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

24753

Males

14195

M18-39

14195

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1248
Passed By
1800
Net Change
-552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23468
5K → 10K53355+478#23468#22990
10K → 15K30746+261#22990#22729
15K → 20K20637-617#22729#23346
20K → Half943-34#23346#23380
Half → 25K39212-173#23380#23553
25K → 30K14563-549#23553#24102
30K → 20M5171-20#24102#24122
20M → 21M4032+8#24122#24114
21M → 35K752+73#24114#24041
35K → 23M6117+44#24041#23997
23M → 24M3712+25#23997#23972
24M → 40K437+36#23972#23936
40K → 25.2M248-46#23936#23982
25.2M → Finish1755-38#23982#24020
TOTALS12481800-552
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing