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BOSTON MARATHON 2023

Jurdan Mossburg

Bib: 4297•M

VT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:05
Rank: #2078
Start → 5K
20:05 | 6:28/mi
10K· 6.21 mi
39:26
Rank: #1769 (+309)
5K → 10K
19:21 | 6:14/mi
15K· 9.32 mi
58:46
Rank: #1599 (+170)
10K → 15K
19:20 | 6:13/mi
20K· 12.43 mi
1:18:38
Rank: #1644 (-45)
15K → 20K
19:52 | 6:24/mi
Half· 13.11 mi
1:22:48
Rank: #1601 (+43)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:37:51
Rank: #1475 (+126)
Half → 25K
15:03 | 6:12/mi
30K· 18.64 mi
1:57:20
Rank: #1322 (+153)
25K → 30K
19:29 | 6:16/mi
20M
2:05:46
Rank: #1241 (+81)
30K → 20M
8:26 | 6:12/mi
21M
2:12:11
Rank: #1166 (+75)
20M → 21M
6:25 | 6:25/mi
35K· 21.75 mi
2:16:39
Rank: #1129 (+37)
21M → 35K
4:28 | 5:58/mi
23M
2:24:06
Rank: #1049 (+80)
35K → 23M
7:27 | 5:57/mi
24M
2:29:55
Rank: #976 (+73)
23M → 24M
5:49 | 5:49/mi
40K· 24.85 mi
2:34:49
Rank: #915 (+61)
24M → 40K
4:54 | 5:44/mi
25.2M
2:36:54
Rank: #884 (+31)
40K → 25.2M
2:05 | 6:02/mi
Finish· 26.22 mi
2:42:28
Rank: #808 (+76)
25.2M → Finish
5:34 | 5:28/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:22:48
Pace6:19 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:19:40
Pace6:05 /mi
📊Negative Split: 3.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5020:056:2820:05
6:28
-
10K
6.21 mi10:41:1139:266:2119:21
6:14
-0:14
15K
9.32 mi11:00:3158:466:1819:20
6:13
-0:01
20K
12.43 mi11:20:231:18:386:2019:52
6:24
+0:11
Half
13.11 mi11:24:331:22:486:194:10
6:06
-0:18
25K
15.53 mi11:39:361:37:516:1815:03
6:12
+0:06
30K
18.64 mi11:59:051:57:206:1819:29
6:16
+0:04
20M
20.00 mi12:07:312:05:466:178:26
6:12
-0:04
21M
21.00 mi12:13:562:12:116:186:25
6:25
+0:13
35K
21.75 mi12:18:242:16:396:174:28
5:58
-0:27
23M
23.00 mi12:25:512:24:066:167:27
5:57
-0:01
24M
24.00 mi12:31:402:29:556:155:49
5:49
-0:08
40K
24.85 mi12:36:342:34:496:144:54
5:44
-0:05
25.2M
25.20 mi12:38:392:36:546:142:05
6:02
+0:18
Finish
26.22 mi12:44:132:42:286:125:34
5:28
-0:34

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

5:28 /mi

Average Pace

6:12 /mi

Slowest Pace

6:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:12

17% of race

Time at Steady Pace

1:54:11

70% of race

Time at Slower Pace

20:05

12% of race

Average Pace: 6:12 /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 mi10:21:5020:056:2820:05
6:28
#2078
10K
6.21 mi10:41:1139:266:2119:21
6:14
#1769
15K
9.32 mi11:00:3158:466:1819:20
6:13
#1599
20K
12.43 mi11:20:231:18:386:2019:52
6:24
#1644
Half
13.11 mi11:24:331:22:486:194:10
6:06
#1601
25K
15.53 mi11:39:361:37:516:1815:03
6:12
#1475
30K
18.64 mi11:59:051:57:206:1819:29
6:16
#1322
20M
20.00 mi12:07:312:05:466:178:26
6:12
#1241
21M
21.00 mi12:13:562:12:116:186:25
6:25
#1166
35K
21.75 mi12:18:242:16:396:174:28
5:58
#1129
23M
23.00 mi12:25:512:24:066:167:27
5:57
#1049
24M
24.00 mi12:31:402:29:556:155:49
5:49
#976
40K
24.85 mi12:36:342:34:496:144:54
5:44
#915
25.2M
25.20 mi12:38:392:36:546:142:05
6:02
#884
Finish
26.22 mi12:44:132:42:286:125:34
5:28
#808
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2078198319831316(Top 5%)1254(Top 8%)1254(Top 24%)
10K6.21 mi3.10 mi1769+3091691+2921691+2921453(Top 5%)1387(Top 9%)1387(Top 26%)
15K9.32 mi3.11 mi1599+1701527+1641527+1641316(Top 5%)1254(Top 8%)1254(Top 24%)
20K12.43 mi3.11 mi1644-451573-461573-461762(Top 7%)1686(Top 11%)1686(Top 32%)
Half13.11 mi0.68 mi1601+431530+431530+431015(Top 4%)967(Top 6%)967(Top 18%)
25K15.53 mi2.42 mi1475+1261409+1211409+1211014(Top 4%)965(Top 6%)965(Top 18%)
30K18.64 mi3.11 mi1322+1531262+1471262+147842(Top 3%)802(Top 5%)802(Top 15%)
20M20.00 mi1.36 mi1241+811186+761186+76662(Top 2%)625(Top 4%)625(Top 12%)
21M21.00 mi1.00 mi1166+751112+741112+74520(Top 2%)486(Top 3%)486(Top 9%)
35K21.75 mi0.75 mi1129+371076+361076+36630(Top 2%)592(Top 4%)592(Top 11%)
23M23.00 mi1.25 mi1049+80998+78998+78269(Top 1%)244(Top 2%)244(Top 5%)
24M24.00 mi1.00 mi976+73927+71927+71287(Top 1%)263(Top 2%)263(Top 5%)
40K24.85 mi0.85 mi915+61868+59868+59110(Top 0.4%)96(Top 0.6%)96(Top 2%)
25.2M25.20 mi0.35 mi884+31838+30838+3093(Top 0.3%)83(Top 0.5%)83(Top 2%)
Finish26.22 mi1.02 mi808+76764+74764+7482(Top 0.3%)72(Top 0.5%)72(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1316

Males

1254

M18-39

1254

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1453

Males

1387

M18-39

1387

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1316

Males

1254

M18-39

1254

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1762

Males

1686

M18-39

1686

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1015

Males

967

M18-39

967

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1014

Males

965

M18-39

965

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

842

Males

802

M18-39

802

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

662

Males

625

M18-39

625

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

520

Males

486

M18-39

486

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

630

Males

592

M18-39

592

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

269

Males

244

M18-39

244

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

287

Males

263

M18-39

263

24M→40K

24.0 - 24.9 mi

Top 0.4%
×1story
+6ft-20ft

Overall

110

Males

96

M18-39

96

40K→25.2M

24.9 - 25.2 mi

Top 0.3%
×1story
+13ft-16ft

Overall

93

Males

83

M18-39

83

25.2M→Finish

25.2 - 26.2 mi

Top 0.3%
×2stories
+22ft-21ft

Overall

82

Males

72

M18-39

72

Passing Analysis

Category:
Athletes Passed
1377
Passed By
107
Net Change
+1270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2078
5K → 10K32516+309#2078#1769
10K → 15K1788+170#1769#1599
15K → 20K3378-45#1599#1644
20K → Half452+43#1644#1601
Half → 25K1260+126#1601#1475
25K → 30K1541+153#1475#1322
30K → 20M810+81#1322#1241
20M → 21M750+75#1241#1166
21M → 35K392+37#1166#1129
35K → 23M800+80#1129#1049
23M → 24M730+73#1049#976
24M → 40K610+61#976#915
40K → 25.2M310+31#915#884
25.2M → Finish760+76#884#808
TOTALS1377107+1270
📊

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