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BOSTON MARATHON 2023

Gary Van Dyken

Bib: 23106•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
9:23/mi
29:09
↑ 97↓ 3451.5%
10K· 6.21 mi
9:41/mi
59:15
↑ 79↓ 1380.4%
15K· 9.32 mi
10:05/mi
1:30:34
↑ 67↓ 78
20K· 12.43 mi
10:24/mi
2:02:53
↑ 106↓ 860.1%
Half· 13.11 mi
11:00/mi
2:10:23
↑ 19↓ 370.5%
25K· 15.53 mi
10:15/mi
2:35:14
↑ 66↓ 880.2%
30K· 18.64 mi
10:57/mi
3:09:16
↑ 181↓ 1480.2%
20M
11:30/mi
3:24:53
↑ 64↓ 500.2%
21M
11:56/mi
3:36:49
↑ 106↓ 241.6%
35K· 21.75 mi
11:23/mi
3:45:20
↑ 17↓ 861.7%
23M
11:04/mi
3:59:11
↑ 23↓ 630.6%
24M
10:40/mi
4:09:51
↓ 821.3%
40K· 24.85 mi
11:57/mi
4:20:04
↓ 200.3%
25.2M
11:42/mi
4:24:06
↑ 13↓ 160.2%
Finish· 26.22 mi
10:51/mi
4:35:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:23
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:24:46
Pace11:03 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0129:099:2329:09
9:23
-
10K
6.21 mi11:55:0759:159:3230:06
9:41
+0:18
15K
9.32 mi12:26:261:30:349:4331:19
10:05
+0:24
20K
12.43 mi12:58:452:02:539:5332:19
10:24
+0:19
Half
13.11 mi13:06:152:10:239:577:30
11:00
+0:36
25K
15.53 mi13:31:062:35:1410:0024:51
10:15
-0:45
30K
18.64 mi14:05:083:09:1610:0934:02
10:57
+0:42
20M
20.00 mi14:20:453:24:5310:1515:37
11:30
+0:33
21M
21.00 mi14:32:413:36:4910:1911:56
11:56
+0:26
35K
21.75 mi14:41:123:45:2010:228:31
11:23
-0:33
23M
23.00 mi14:55:033:59:1110:2413:51
11:04
-0:19
24M
24.00 mi15:05:434:09:5110:2510:40
10:40
-0:24
40K
24.85 mi15:15:564:20:0410:2810:13
11:57
+1:17
25.2M
25.20 mi15:19:584:24:0610:294:02
11:42
-0:15
Finish
26.22 mi15:31:014:35:0910:3011:03
10:51
-0:51

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

9:23 /mi

Average Pace

10:30 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:44

54% of race

Time at Steady Pace

1:17:06

28% of race

Time at Slower Pace

50:19

18% of race

Average Pace: 10:30 /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 mi11:25:0129:099:2329:09
9:23
#21767
10K
6.21 mi11:55:0759:159:3230:06
9:41
#22418
15K
9.32 mi12:26:261:30:349:4331:19
10:05
#22933
20K
12.43 mi12:58:452:02:539:5332:19
10:24
#23162
Half
13.11 mi13:06:152:10:239:577:30
11:00
#23304
25K
15.53 mi13:31:062:35:1410:0024:51
10:15
#23189
30K
18.64 mi14:05:083:09:1610:0934:02
10:57
#23155
20M
20.00 mi14:20:453:24:5310:1515:37
11:30
#23174
21M
21.00 mi14:32:413:36:4910:1911:56
11:56
#23149
35K
21.75 mi14:41:123:45:2010:228:31
11:23
#23168
23M
23.00 mi14:55:033:59:1110:2413:51
11:04
#23136
24M
24.00 mi15:05:434:09:5110:2510:40
10:40
#23100
40K
24.85 mi15:15:564:20:0410:2810:13
11:57
#23128
25.2M
25.20 mi15:19:584:24:0610:294:02
11:42
#23107
Finish
26.22 mi15:31:014:35:0910:3011:03
10:51
#23137
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi21767129741297423658(Top 89%)13939(Top 92%)13939(Top 2539%)
10K6.21 mi3.10 mi22418-65113336-36213336-36223021(Top 86%)13657(Top 90%)13657(Top 2488%)
15K9.32 mi3.11 mi22933-51513592-25613592-25623658(Top 89%)13939(Top 92%)13939(Top 2539%)
20K12.43 mi3.11 mi23162-22913702-11013702-11023658(Top 89%)13915(Top 92%)13915(Top 2535%)
Half13.11 mi0.68 mi23304-14213773-7113773-7124917(Top 94%)14438(Top 95%)14438(Top 2630%)
25K15.53 mi2.42 mi23189+11513714+5913714+5922735(Top 85%)13475(Top 89%)13475(Top 2454%)
30K18.64 mi3.11 mi23155+3413668+4613668+4623012(Top 86%)13523(Top 89%)13523(Top 2463%)
20M20.00 mi1.36 mi23174-19136681366823502(Top 88%)13689(Top 90%)13689(Top 2493%)
21M21.00 mi1.00 mi23149+2513641+2713641+2722647(Top 85%)13270(Top 87%)13270(Top 2417%)
35K21.75 mi0.75 mi23168-1913642-113642-123933(Top 90%)13813(Top 91%)13813(Top 2516%)
23M23.00 mi1.25 mi23136+3213622+2013622+2022446(Top 84%)13132(Top 87%)13132(Top 2392%)
24M24.00 mi1.00 mi23100+3613594+2813594+2822375(Top 84%)13055(Top 86%)13055(Top 2378%)
40K24.85 mi0.85 mi23128-2813598-413598-423824(Top 89%)13706(Top 90%)13706(Top 2497%)
25.2M25.20 mi0.35 mi23107+2113587+1113587+1121949(Top 82%)12826(Top 85%)12826(Top 2336%)
Finish26.22 mi1.02 mi23137-3013596-913596-923681(Top 89%)13659(Top 90%)13659(Top 2488%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23658

Males

13939

M65-69

13939

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

23021

Males

13657

M65-69

13657

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23658

Males

13939

M65-69

13939

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23658

Males

13915

M65-69

13915

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24917

Males

14438

M65-69

14438

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22735

Males

13475

M65-69

13475

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

23012

Males

13523

M65-69

13523

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23502

Males

13689

M65-69

13689

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22647

Males

13270

M65-69

13270

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23933

Males

13813

M65-69

13813

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22446

Males

13132

M65-69

13132

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22375

Males

13055

M65-69

13055

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23824

Males

13706

M65-69

13706

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21949

Males

12826

M65-69

12826

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23681

Males

13659

M65-69

13659

Passing Analysis

Category:
Athletes Passed
791
Passed By
2161
Net Change
-1370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21767
5K → 10K54705-651#21767#22418
10K → 15K39554-515#22418#22933
15K → 20K65294-229#22933#23162
20K → Half1143-142#23162#23304
Half → 25K16348+115#23304#23189
25K → 30K135101+34#23189#23155
30K → 20M4665-19#23155#23174
20M → 21M6035+25#23174#23149
21M → 35K2544-19#23149#23168
35K → 23M6129+32#23168#23136
23M → 24M5317+36#23136#23100
24M → 40K3563-28#23100#23128
40K → 25.2M287+21#23128#23107
25.2M → Finish2656-30#23107#23137
TOTALS7912161-1370
📊

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