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BOSTON MARATHON 2023

Timothy Acord

Bib: 10421•M

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
8:07/mi
25:14
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:15:37
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:41:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:46:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:06:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:32/mi
2:33:17
↑ 181↓ 1480.2%
20M
8:20/mi
2:44:37
↑ 64↓ 500.2%
21M
9:22/mi
2:53:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:59:47
↑ 17↓ 861.7%
23M
8:32/mi
3:10:28
↑ 23↓ 630.6%
24M
7:48/mi
3:18:16
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:25:22
↓ 200.3%
25.2M
8:59/mi
3:28:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:36:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:42
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:49:39
Pace8:22 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2925:148:0725:14
8:07
-
10K
6.21 mi11:16:3950:248:0725:10
8:06
-0:01
15K
9.32 mi11:41:521:15:378:0725:13
8:07
+0:01
20K
12.43 mi12:07:281:41:138:0925:36
8:14
+0:07
Half
13.11 mi12:12:571:46:428:085:29
8:02
-0:12
25K
15.53 mi12:33:012:06:468:1020:04
8:17
+0:15
30K
18.64 mi12:59:322:33:178:1326:31
8:32
+0:15
20M
20.00 mi13:10:522:44:378:1411:20
8:20
-0:12
21M
21.00 mi13:20:142:53:598:179:22
9:22
+1:02
35K
21.75 mi13:26:022:59:478:165:48
7:45
-1:37
23M
23.00 mi13:36:433:10:288:1710:41
8:32
+0:47
24M
24.00 mi13:44:313:18:168:167:48
7:48
-0:44
40K
24.85 mi13:51:373:25:228:167:06
8:18
+0:30
25.2M
25.20 mi13:54:433:28:288:163:06
8:59
+0:41
Finish
26.22 mi14:02:363:36:218:157:53
7:44
-1:15

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

7:44 /mi

Average Pace

8:15 /mi

Slowest Pace

9:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:29

10% of race

Time at Steady Pace

2:25:12

67% of race

Time at Slower Pace

49:40

23% of race

Average Pace: 8:15 /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 mi10:51:2925:148:0725:14
8:07
#14863
10K
6.21 mi11:16:3950:248:0725:10
8:06
#15187
15K
9.32 mi11:41:521:15:378:0725:13
8:07
#15199
20K
12.43 mi12:07:281:41:138:0925:36
8:14
#15209
Half
13.11 mi12:12:571:46:428:085:29
8:02
#15167
25K
15.53 mi12:33:012:06:468:1020:04
8:17
#15069
30K
18.64 mi12:59:322:33:178:1326:31
8:32
#14963
20M
20.00 mi13:10:522:44:378:1411:20
8:20
#14782
21M
21.00 mi13:20:142:53:598:179:22
9:22
#14786
35K
21.75 mi13:26:022:59:478:165:48
7:45
#14618
23M
23.00 mi13:36:433:10:288:1710:41
8:32
#14539
24M
24.00 mi13:44:313:18:168:167:48
7:48
#14322
40K
24.85 mi13:51:373:25:228:167:06
8:18
#14224
25.2M
25.20 mi13:54:433:28:288:163:06
8:59
#14189
Finish
26.22 mi14:02:363:36:218:157:53
7:44
#14014
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi14863102881028815268(Top 57%)10412(Top 69%)10412(Top 462%)
10K6.21 mi3.10 mi15187-32410402-11410402-11415506(Top 58%)10522(Top 69%)10522(Top 467%)
15K9.32 mi3.11 mi15199-1210399+310399+315268(Top 57%)10412(Top 69%)10412(Top 462%)
20K12.43 mi3.11 mi15209-1010375+2410375+2415197(Top 57%)10345(Top 68%)10345(Top 459%)
Half13.11 mi0.68 mi15167+4210362+1310362+1314610(Top 55%)10130(Top 67%)10130(Top 450%)
25K15.53 mi2.42 mi15069+9810298+6410298+6414770(Top 55%)10065(Top 66%)10065(Top 447%)
30K18.64 mi3.11 mi14963+10610223+7510223+7514513(Top 55%)9862(Top 65%)9862(Top 438%)
20M20.00 mi1.36 mi14782+18110135+8810135+8812613(Top 47%)8955(Top 59%)8955(Top 398%)
21M21.00 mi1.00 mi14786-410110+2510110+2515312(Top 58%)10055(Top 66%)10055(Top 446%)
35K21.75 mi0.75 mi14618+16810025+8510025+8510304(Top 39%)7797(Top 51%)7797(Top 346%)
23M23.00 mi1.25 mi14539+799974+519974+5113420(Top 50%)9108(Top 60%)9108(Top 404%)
24M24.00 mi1.00 mi14322+2179865+1099865+1099798(Top 37%)7304(Top 48%)7304(Top 324%)
40K24.85 mi0.85 mi14224+989800+659800+6512050(Top 45%)8347(Top 55%)8347(Top 371%)
25.2M25.20 mi0.35 mi14189+359771+299771+2912422(Top 47%)8485(Top 56%)8485(Top 377%)
Finish26.22 mi1.02 mi14014+1759693+789693+7810207(Top 38%)7407(Top 49%)7407(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15268

Males

10412

M45-49

10412

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15506

Males

10522

M45-49

10522

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15268

Males

10412

M45-49

10412

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15197

Males

10345

M45-49

10345

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14610

Males

10130

M45-49

10130

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14770

Males

10065

M45-49

10065

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14513

Males

9862

M45-49

9862

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12613

Males

8955

M45-49

8955

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15312

Males

10055

M45-49

10055

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10304

Males

7797

M45-49

7797

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13420

Males

9108

M45-49

9108

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9798

Males

7304

M45-49

7304

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12050

Males

8347

M45-49

8347

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12422

Males

8485

M45-49

8485

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10207

Males

7407

M45-49

7407

Passing Analysis

Category:
Athletes Passed
2127
Passed By
1278
Net Change
+849
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14863
5K → 10K173497-324#14863#15187
10K → 15K174186-12#15187#15199
15K → 20K186196-10#15199#15209
20K → Half5917+42#15209#15167
Half → 25K18688+98#15167#15069
25K → 30K224118+106#15069#14963
30K → 20M1909+181#14963#14782
20M → 21M8892-4#14782#14786
21M → 35K1691+168#14786#14618
35K → 23M11334+79#14618#14539
23M → 24M2214+217#14539#14322
24M → 40K11517+98#14322#14224
40K → 25.2M438+35#14224#14189
25.2M → Finish18611+175#14189#14014
TOTALS21271278+849
📊

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