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BOSTON MARATHON 2023

Preston Dillard

Bib: 21420•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
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
8:26/mi
26:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
51:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:28/mi
1:18:09
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:45:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:51:54
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:14:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:32/mi
2:44:01
↑ 181↓ 1480.2%
20M
10:45/mi
2:58:38
↑ 64↓ 500.2%
21M
11:19/mi
3:09:57
↑ 106↓ 241.6%
35K· 21.75 mi
10:06/mi
3:17:30
↑ 17↓ 861.7%
23M
10:24/mi
3:30:31
↑ 23↓ 630.6%
24M
11:01/mi
3:41:32
↓ 821.3%
40K· 24.85 mi
10:40/mi
3:50:39
↓ 200.3%
25.2M
10:18/mi
3:54:12
↑ 13↓ 160.2%
Finish· 26.22 mi
9:14/mi
4:03:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:54
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:11:43
Pace10:03 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2526:128:2626:12
8:26
-
10K
6.21 mi11:45:0351:508:2125:38
8:15
-0:11
15K
9.32 mi12:11:221:18:098:2326:19
8:28
+0:13
20K
12.43 mi12:39:091:45:568:3127:47
8:57
+0:29
Half
13.11 mi12:45:071:51:548:325:58
8:45
-0:12
25K
15.53 mi13:07:362:14:238:3922:29
9:16
+0:31
30K
18.64 mi13:37:142:44:018:4829:38
9:32
+0:16
20M
20.00 mi13:51:512:58:388:5614:37
10:45
+1:13
21M
21.00 mi14:03:103:09:579:0311:19
11:19
+0:34
35K
21.75 mi14:10:433:17:309:057:33
10:06
-1:13
23M
23.00 mi14:23:443:30:319:0913:01
10:24
+0:18
24M
24.00 mi14:34:453:41:329:1411:01
11:01
+0:37
40K
24.85 mi14:43:523:50:399:179:07
10:40
-0:21
25.2M
25.20 mi14:47:253:54:129:183:33
10:18
-0:22
Finish
26.22 mi14:56:504:03:379:189:25
9:14
-1:04

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

8:15 /mi

Average Pace

9:18 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:54

46% of race

Time at Steady Pace

1:01:32

25% of race

Time at Slower Pace

1:10:11

29% of race

Average Pace: 9:17 /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 mi11:19:2526:128:2626:12
8:26
#17103
10K
6.21 mi11:45:0351:508:2125:38
8:15
#16789
15K
9.32 mi12:11:221:18:098:2326:19
8:28
#17095
20K
12.43 mi12:39:091:45:568:3127:47
8:57
#17717
Half
13.11 mi12:45:071:51:548:325:58
8:45
#17795
25K
15.53 mi13:07:362:14:238:3922:29
9:16
#18272
30K
18.64 mi13:37:142:44:018:4829:38
9:32
#18577
20M
20.00 mi13:51:512:58:388:5614:37
10:45
#19034
21M
21.00 mi14:03:103:09:579:0311:19
11:19
#19259
35K
21.75 mi14:10:433:17:309:057:33
10:06
#19374
23M
23.00 mi14:23:443:30:319:0913:01
10:24
#19530
24M
24.00 mi14:34:453:41:329:1411:01
11:01
#19782
40K
24.85 mi14:43:523:50:399:179:07
10:40
#19906
25.2M
25.20 mi14:47:253:54:129:183:33
10:18
#19876
Finish
26.22 mi14:56:504:03:379:189:25
9:14
#19847
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17103110851108517603(Top 66%)11312(Top 75%)11312(Top 1019%)
10K6.21 mi3.10 mi16789+31411001+8411001+8416586(Top 62%)10939(Top 72%)10939(Top 985%)
15K9.32 mi3.11 mi17095-30611110-10911110-10917603(Top 66%)11312(Top 75%)11312(Top 1019%)
20K12.43 mi3.11 mi17717-62211343-23311343-23319422(Top 73%)12066(Top 80%)12066(Top 1087%)
Half13.11 mi0.68 mi17795-7811376-3311376-3319174(Top 72%)11971(Top 79%)11971(Top 1078%)
25K15.53 mi2.42 mi18272-47711561-18511561-18520097(Top 75%)12328(Top 81%)12328(Top 1111%)
30K18.64 mi3.11 mi18577-30511649-8811649-8819570(Top 74%)12032(Top 79%)12032(Top 1084%)
20M20.00 mi1.36 mi19034-45711835-18611835-18622259(Top 84%)13115(Top 86%)13115(Top 1182%)
21M21.00 mi1.00 mi19259-22511921-8611921-8621504(Top 81%)12741(Top 84%)12741(Top 1148%)
35K21.75 mi0.75 mi19374-11511966-4511966-4521522(Top 81%)12717(Top 84%)12717(Top 1146%)
23M23.00 mi1.25 mi19530-15612028-6212028-6221056(Top 79%)12479(Top 82%)12479(Top 1124%)
24M24.00 mi1.00 mi19782-25212122-9412122-9423071(Top 87%)13375(Top 88%)13375(Top 1205%)
40K24.85 mi0.85 mi19906-12412158-3612158-3621610(Top 81%)12640(Top 83%)12640(Top 1139%)
25.2M25.20 mi0.35 mi19876+3012144+1412144+1418436(Top 69%)11228(Top 74%)11228(Top 1012%)
Finish26.22 mi1.02 mi19847+2912126+1812126+1819105(Top 72%)11593(Top 76%)11593(Top 1044%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17603

Males

11312

M60-64

11312

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16586

Males

10939

M60-64

10939

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17603

Males

11312

M60-64

11312

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19422

Males

12066

M60-64

12066

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19174

Males

11971

M60-64

11971

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20097

Males

12328

M60-64

12328

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19570

Males

12032

M60-64

12032

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22259

Males

13115

M60-64

13115

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21504

Males

12741

M60-64

12741

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21522

Males

12717

M60-64

12717

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21056

Males

12479

M60-64

12479

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23071

Males

13375

M60-64

13375

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21610

Males

12640

M60-64

12640

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18436

Males

11228

M60-64

11228

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19105

Males

11593

M60-64

11593

Passing Analysis

Category:
Athletes Passed
1015
Passed By
3759
Net Change
-2744
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17103
5K → 10K497183+314#17103#16789
10K → 15K92398-306#16789#17095
15K → 20K55677-622#17095#17717
20K → Half1088-78#17717#17795
Half → 25K38515-477#17795#18272
25K → 30K100405-305#18272#18577
30K → 20M16473-457#18577#19034
20M → 21M24249-225#19034#19259
21M → 35K16131-115#19259#19374
35K → 23M38194-156#19374#19530
23M → 24M9261-252#19530#19782
24M → 40K24148-124#19782#19906
40K → 25.2M4313+30#19906#19876
25.2M → Finish5324+29#19876#19847
TOTALS10153759-2744
📊

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