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BOSTON MARATHON 2023

Jeffrey Young

Bib: 1566•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:20/mi
19:41
↑ 97↓ 3451.5%
10K· 6.21 mi
6:13/mi
39:00
↑ 79↓ 1380.4%
15K· 9.32 mi
6:14/mi
58:21
↑ 67↓ 78
20K· 12.43 mi
6:14/mi
1:17:43
↑ 106↓ 860.1%
Half· 13.11 mi
6:12/mi
1:21:57
↑ 19↓ 370.5%
25K· 15.53 mi
6:11/mi
1:36:57
↑ 66↓ 880.2%
30K· 18.64 mi
6:11/mi
1:56:10
↑ 181↓ 1480.2%
20M
6:19/mi
2:04:45
↑ 64↓ 500.2%
21M
6:40/mi
2:11:25
↑ 106↓ 241.6%
35K· 21.75 mi
6:06/mi
2:15:59
↑ 17↓ 861.7%
23M
6:27/mi
2:24:04
↑ 23↓ 630.6%
24M
6:21/mi
2:30:25
↓ 821.3%
40K· 24.85 mi
6:27/mi
2:35:56
↓ 200.3%
25.2M
6:40/mi
2:38:14
↑ 13↓ 160.2%
Finish· 26.22 mi
5:57/mi
2:44:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:57
Pace6:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:21
Pace6:17 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1619:416:2019:41
6:20
-
10K
6.21 mi10:39:3539:006:1719:19
6:13
-0:07
15K
9.32 mi10:58:5658:216:1619:21
6:14
+0:01
20K
12.43 mi11:18:181:17:436:1519:22
6:14
0:00
Half
13.11 mi11:22:321:21:576:154:14
6:12
-0:02
25K
15.53 mi11:37:321:36:576:1415:00
6:11
-0:01
30K
18.64 mi11:56:451:56:106:1419:13
6:11
0:00
20M
20.00 mi12:05:202:04:456:148:35
6:19
+0:08
21M
21.00 mi12:12:002:11:256:156:40
6:40
+0:21
35K
21.75 mi12:16:342:15:596:154:34
6:06
-0:34
23M
23.00 mi12:24:392:24:046:168:05
6:27
+0:21
24M
24.00 mi12:31:002:30:256:166:21
6:21
-0:06
40K
24.85 mi12:36:312:35:566:165:31
6:27
+0:06
25.2M
25.20 mi12:38:492:38:146:172:18
6:40
+0:13
Finish
26.22 mi12:44:532:44:186:166:04
5:57
-0:43

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

5:57 /mi

Average Pace

6:16 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:20

95% of race

Time at Steady Pace

8:58

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:16 /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 mi10:20:1619:416:2019:41
6:20
#1557
10K
6.21 mi10:39:3539:006:1719:19
6:13
#1470
15K
9.32 mi10:58:5658:216:1619:21
6:14
#1418
20K
12.43 mi11:18:181:17:436:1519:22
6:14
#1324
Half
13.11 mi11:22:321:21:576:154:14
6:12
#1322
25K
15.53 mi11:37:321:36:576:1415:00
6:11
#1253
30K
18.64 mi11:56:451:56:106:1419:13
6:11
#1118
20M
20.00 mi12:05:202:04:456:148:35
6:19
#1083
21M
21.00 mi12:12:002:11:256:156:40
6:40
#1059
35K
21.75 mi12:16:342:15:596:154:34
6:06
#1044
23M
23.00 mi12:24:392:24:046:168:05
6:27
#1041
24M
24.00 mi12:31:002:30:256:166:21
6:21
#1053
40K
24.85 mi12:36:312:35:566:165:31
6:27
#1039
25.2M
25.20 mi12:38:492:38:146:172:18
6:40
#1026
Finish
26.22 mi12:44:532:44:186:166:04
5:57
#999
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1557148214821333(Top 5%)1270(Top 8%)1270(Top 24%)
10K6.21 mi3.10 mi1470+871401+811401+811409(Top 5%)1344(Top 9%)1344(Top 25%)
15K9.32 mi3.11 mi1418+521353+481353+481333(Top 5%)1270(Top 8%)1270(Top 24%)
20K12.43 mi3.11 mi1324+941261+921261+921150(Top 4%)1097(Top 7%)1097(Top 21%)
Half13.11 mi0.68 mi1322+21260+11260+11351(Top 5%)1291(Top 9%)1291(Top 24%)
25K15.53 mi2.42 mi1253+691198+621198+62967(Top 4%)918(Top 6%)918(Top 17%)
30K18.64 mi3.11 mi1118+1351066+1321066+132657(Top 2%)620(Top 4%)620(Top 12%)
20M20.00 mi1.36 mi1083+351031+351031+35908(Top 3%)867(Top 6%)867(Top 16%)
21M21.00 mi1.00 mi1059+241008+231008+231004(Top 4%)956(Top 6%)956(Top 18%)
35K21.75 mi0.75 mi1044+15994+14994+14939(Top 4%)891(Top 6%)891(Top 17%)
23M23.00 mi1.25 mi1041+3990+4990+41276(Top 5%)1207(Top 8%)1207(Top 23%)
24M24.00 mi1.00 mi1053-121001-111001-111486(Top 6%)1405(Top 9%)1405(Top 27%)
40K24.85 mi0.85 mi1039+14987+14987+141365(Top 5%)1288(Top 8%)1288(Top 24%)
25.2M25.20 mi0.35 mi1026+13975+12975+12817(Top 3%)778(Top 5%)778(Top 15%)
Finish26.22 mi1.02 mi999+27950+25950+25624(Top 2%)593(Top 4%)593(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1333

Males

1270

M18-39

1270

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1409

Males

1344

M18-39

1344

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1333

Males

1270

M18-39

1270

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1150

Males

1097

M18-39

1097

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1351

Males

1291

M18-39

1291

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

967

Males

918

M18-39

918

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

657

Males

620

M18-39

620

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

908

Males

867

M18-39

867

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1004

Males

956

M18-39

956

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

939

Males

891

M18-39

891

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1276

Males

1207

M18-39

1207

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1486

Males

1405

M18-39

1405

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1365

Males

1288

M18-39

1288

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

817

Males

778

M18-39

778

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

624

Males

593

M18-39

593

Passing Analysis

Category:
Athletes Passed
702
Passed By
144
Net Change
+558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1557
5K → 10K12942+87#1557#1470
10K → 15K7422+52#1470#1418
15K → 20K1028+94#1418#1324
20K → Half31+2#1324#1322
Half → 25K712+69#1322#1253
25K → 30K1372+135#1253#1118
30K → 20M394+35#1118#1083
20M → 21M339+24#1083#1059
21M → 35K172+15#1059#1044
35K → 23M1714+3#1044#1041
23M → 24M820-12#1041#1053
24M → 40K2612+14#1053#1039
40K → 25.2M152+13#1039#1026
25.2M → Finish314+27#1026#999
TOTALS702144+558
📊

Passing Visuals

Category:
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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