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BOSTON MARATHON 2023

Cory Golden

Bib: 2315•M

GA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:12
Rank: #2273
Start → 5K
6:30/mi
20:12 split
10K· 6.21 mi
39:59
Rank: #2154 (+119)
5K → 10K
6:22/mi
19:47 split
15K· 9.32 mi
59:38
Rank: #1989 (+165)
10K → 15K
6:19/mi
19:39 split
20K· 12.43 mi
1:19:28
Rank: #1907 (+82)
15K → 20K
6:23/mi
19:50 split
Half· 13.11 mi
1:23:43
Rank: #1875 (+32)
20K → Half
6:14/mi
4:15 split
25K· 15.53 mi
1:39:05
Rank: #1801 (+74)
Half → 25K
6:20/mi
15:22 split
30K· 18.64 mi
1:58:51
Rank: #1649 (+152)
25K → 30K
6:22/mi
19:46 split
20M
2:07:29
Rank: #1575 (+74)
30K → 20M
6:21/mi
8:38 split
21M
2:14:13
Rank: #1534 (+41)
20M → 21M
6:44/mi
6:44 split
35K· 21.75 mi
2:18:45
Rank: #1497 (+37)
21M → 35K
6:04/mi
4:32 split
23M
2:26:30
Rank: #1404 (+93)
35K → 23M
6:11/mi
7:45 split
24M
2:32:32
Rank: #1337 (+67)
23M → 24M
6:02/mi
6:02 split
40K· 24.85 mi
2:37:44
Rank: #1275 (+62)
24M → 40K
6:05/mi
5:12 split
25.2M
2:39:59
Rank: #1249 (+26)
40K → 25.2M
6:31/mi
2:15 split
Finish· 26.22 mi
2:46:07
Rank: #1218 (+31)
25.2M → Finish
6:01/mi
6:08 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:23:43
Pace6:23 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:24
Pace6:17 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5520:126:3020:12
6:30
-
10K
6.21 mi10:40:4239:596:2619:47
6:22
-0:08
15K
9.32 mi11:00:2159:386:2419:39
6:19
-0:03
20K
12.43 mi11:20:111:19:286:2419:50
6:23
+0:04
Half
13.11 mi11:24:261:23:436:234:15
6:14
-0:09
25K
15.53 mi11:39:481:39:056:2315:22
6:20
+0:06
30K
18.64 mi11:59:341:58:516:2319:46
6:22
+0:02
20M
20.00 mi12:08:122:07:296:228:38
6:21
-0:01
21M
21.00 mi12:14:562:14:136:236:44
6:44
+0:23
35K
21.75 mi12:19:282:18:456:234:32
6:04
-0:40
23M
23.00 mi12:27:132:26:306:227:45
6:11
+0:07
24M
24.00 mi12:33:152:32:326:216:02
6:02
-0:09
40K
24.85 mi12:38:272:37:446:215:12
6:05
+0:03
25.2M
25.20 mi12:40:422:39:596:212:15
6:31
+0:26
Finish
26.22 mi12:46:502:46:076:206:08
6:01
-0:30

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

6:01 /mi

Average Pace

6:20 /mi

Slowest Pace

6:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:23

96% of race

Time at Steady Pace

6:44

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:20:5520:126:3020:12
6:30
#2273
10K
6.21 mi10:40:4239:596:2619:47
6:22
#2154
15K
9.32 mi11:00:2159:386:2419:39
6:19
#1989
20K
12.43 mi11:20:111:19:286:2419:50
6:23
#1907
Half
13.11 mi11:24:261:23:436:234:15
6:14
#1875
25K
15.53 mi11:39:481:39:056:2315:22
6:20
#1801
30K
18.64 mi11:59:341:58:516:2319:46
6:22
#1649
20M
20.00 mi12:08:122:07:296:228:38
6:21
#1575
21M
21.00 mi12:14:562:14:136:236:44
6:44
#1534
35K
21.75 mi12:19:282:18:456:234:32
6:04
#1497
23M
23.00 mi12:27:132:26:306:227:45
6:11
#1404
24M
24.00 mi12:33:152:32:326:216:02
6:02
#1337
40K
24.85 mi12:38:272:37:446:215:12
6:05
#1275
25.2M
25.20 mi12:40:422:39:596:212:15
6:31
#1249
Finish
26.22 mi12:46:502:46:076:206:08
6:01
#1218
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2273216721671754(Top 7%)1680(Top 11%)1680(Top 32%)
10K6.21 mi3.10 mi2154+1192063+1042063+1042051(Top 8%)1962(Top 13%)1962(Top 37%)
15K9.32 mi3.11 mi1989+1651904+1591904+1591754(Top 7%)1680(Top 11%)1680(Top 32%)
20K12.43 mi3.11 mi1907+821826+781826+781718(Top 6%)1644(Top 11%)1644(Top 31%)
Half13.11 mi0.68 mi1875+321796+301796+301470(Top 6%)1406(Top 9%)1406(Top 27%)
25K15.53 mi2.42 mi1801+741722+741722+741463(Top 5%)1400(Top 9%)1400(Top 26%)
30K18.64 mi3.11 mi1649+1521575+1471575+1471104(Top 4%)1051(Top 7%)1051(Top 20%)
20M20.00 mi1.36 mi1575+741504+711504+711011(Top 4%)967(Top 6%)967(Top 18%)
21M21.00 mi1.00 mi1534+411466+381466+381197(Top 4%)1139(Top 8%)1139(Top 22%)
35K21.75 mi0.75 mi1497+371430+361430+36835(Top 3%)792(Top 5%)792(Top 15%)
23M23.00 mi1.25 mi1404+931340+901340+90606(Top 2%)572(Top 4%)572(Top 11%)
24M24.00 mi1.00 mi1337+671274+661274+66623(Top 2%)590(Top 4%)590(Top 11%)
40K24.85 mi0.85 mi1275+621214+601214+60463(Top 2%)436(Top 3%)436(Top 8%)
25.2M25.20 mi0.35 mi1249+261191+231191+23555(Top 2%)523(Top 3%)523(Top 10%)
Finish26.22 mi1.02 mi1218+311161+301161+30774(Top 3%)741(Top 5%)741(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1754

Males

1680

M18-39

1680

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2051

Males

1962

M18-39

1962

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1754

Males

1680

M18-39

1680

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1718

Males

1644

M18-39

1644

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1470

Males

1406

M18-39

1406

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1463

Males

1400

M18-39

1400

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1104

Males

1051

M18-39

1051

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1011

Males

967

M18-39

967

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1197

Males

1139

M18-39

1139

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

835

Males

792

M18-39

792

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

606

Males

572

M18-39

572

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

623

Males

590

M18-39

590

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

463

Males

436

M18-39

436

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

555

Males

523

M18-39

523

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

774

Males

741

M18-39

741

Passing Analysis

Category:
Athletes Passed
1178
Passed By
123
Net Change
+1055
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2273
5K → 10K18566+119#2273#2154
10K → 15K1749+165#2154#1989
15K → 20K10321+82#1989#1907
20K → Half331+32#1907#1875
Half → 25K773+74#1875#1801
25K → 30K1597+152#1801#1649
30K → 20M740+74#1649#1575
20M → 21M498+41#1575#1534
21M → 35K381+37#1534#1497
35K → 23M941+93#1497#1404
23M → 24M670+67#1404#1337
24M → 40K642+62#1337#1275
40K → 25.2M260+26#1275#1249
25.2M → Finish354+31#1249#1218
TOTALS1178123+1055
📊

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