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BOSTON MARATHON 2023

Todd Clayton

Bib: 18788•M

WA

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
Top 26%
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
8:17/mi
25:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
51:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:16:12
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:41:33
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:47:05
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:06:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:32:46
↑ 181↓ 1480.2%
20M
8:23/mi
2:44:09
↑ 64↓ 500.2%
21M
8:59/mi
2:53:08
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:59:17
↑ 17↓ 861.7%
23M
8:17/mi
3:09:39
↑ 23↓ 630.6%
24M
8:08/mi
3:17:47
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:25:05
↓ 200.3%
25.2M
9:23/mi
3:28:19
↑ 13↓ 160.2%
Finish· 26.22 mi
8:51/mi
3:37:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:05
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:50:15
Pace8:25 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4625:458:1725:45
8:17
-
10K
6.21 mi11:42:0851:078:1425:22
8:10
-0:07
15K
9.32 mi12:07:131:16:128:1125:05
8:04
-0:06
20K
12.43 mi12:32:341:41:338:1025:21
8:10
+0:06
Half
13.11 mi12:38:061:47:058:105:32
8:07
-0:03
25K
15.53 mi12:57:542:06:538:1019:48
8:10
+0:03
30K
18.64 mi13:23:472:32:468:1225:53
8:20
+0:10
20M
20.00 mi13:35:102:44:098:1211:23
8:23
+0:03
21M
21.00 mi13:44:092:53:088:158:59
8:59
+0:36
35K
21.75 mi13:50:182:59:178:156:09
8:13
-0:46
23M
23.00 mi14:00:403:09:398:1510:22
8:17
+0:04
24M
24.00 mi14:08:483:17:478:148:08
8:08
-0:09
40K
24.85 mi14:16:063:25:058:157:18
8:32
+0:24
25.2M
25.20 mi14:19:203:28:198:163:14
9:23
+0:51
Finish
26.22 mi14:28:213:37:208:189:01
8:51
-0:32

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

8:04 /mi

Average Pace

8:18 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:07

94% of race

Time at Steady Pace

12:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:16:4625:458:1725:45
8:17
#16049
10K
6.21 mi11:42:0851:078:1425:22
8:10
#15998
15K
9.32 mi12:07:131:16:128:1125:05
8:04
#15633
20K
12.43 mi12:32:341:41:338:1025:21
8:10
#15383
Half
13.11 mi12:38:061:47:058:105:32
8:07
#15367
25K
15.53 mi12:57:542:06:538:1019:48
8:10
#15115
30K
18.64 mi13:23:472:32:468:1225:53
8:20
#14770
20M
20.00 mi13:35:102:44:098:1211:23
8:23
#14611
21M
21.00 mi13:44:092:53:088:158:59
8:59
#14502
35K
21.75 mi13:50:182:59:178:156:09
8:13
#14483
23M
23.00 mi14:00:403:09:398:1510:22
8:17
#14298
24M
24.00 mi14:08:483:17:478:148:08
8:08
#14174
40K
24.85 mi14:16:063:25:058:157:18
8:32
#14139
25.2M
25.20 mi14:19:203:28:198:163:14
9:23
#14143
Finish
26.22 mi14:28:213:37:208:189:01
8:51
#14276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16049107121071214975(Top 56%)10290(Top 68%)10290(Top 927%)
10K6.21 mi3.10 mi15998+5110698+1410698+1416000(Top 60%)10704(Top 71%)10704(Top 964%)
15K9.32 mi3.11 mi15633+36510556+14210556+14214975(Top 56%)10290(Top 68%)10290(Top 927%)
20K12.43 mi3.11 mi15383+25010442+11410442+11414656(Top 55%)10140(Top 67%)10140(Top 914%)
Half13.11 mi0.68 mi15367+1610430+1210430+1215160(Top 57%)10353(Top 68%)10353(Top 933%)
25K15.53 mi2.42 mi15115+25210317+11310317+11313980(Top 53%)9757(Top 64%)9757(Top 879%)
30K18.64 mi3.11 mi14770+34510155+16210155+16213212(Top 50%)9325(Top 61%)9325(Top 840%)
20M20.00 mi1.36 mi14611+15910059+9610059+9612861(Top 48%)9067(Top 60%)9067(Top 817%)
21M21.00 mi1.00 mi14502+1099988+719988+7113297(Top 50%)9178(Top 60%)9178(Top 827%)
35K21.75 mi0.75 mi14483+199968+209968+2013561(Top 51%)9221(Top 61%)9221(Top 831%)
23M23.00 mi1.25 mi14298+1859867+1019867+10111741(Top 44%)8359(Top 55%)8359(Top 753%)
24M24.00 mi1.00 mi14174+1249800+679800+6712137(Top 46%)8463(Top 56%)8463(Top 762%)
40K24.85 mi0.85 mi14139+359765+359765+3513573(Top 51%)9049(Top 60%)9049(Top 815%)
25.2M25.20 mi0.35 mi14143-49755+109755+1014513(Top 55%)9469(Top 62%)9469(Top 853%)
Finish26.22 mi1.02 mi14276-1339788-339788-3317243(Top 65%)10715(Top 71%)10715(Top 965%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14975

Males

10290

M60-64

10290

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16000

Males

10704

M60-64

10704

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14975

Males

10290

M60-64

10290

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14656

Males

10140

M60-64

10140

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15160

Males

10353

M60-64

10353

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13980

Males

9757

M60-64

9757

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13212

Males

9325

M60-64

9325

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12861

Males

9067

M60-64

9067

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13297

Males

9178

M60-64

9178

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13561

Males

9221

M60-64

9221

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11741

Males

8359

M60-64

8359

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12137

Males

8463

M60-64

8463

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13573

Males

9049

M60-64

9049

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14513

Males

9469

M60-64

9469

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17243

Males

10715

M60-64

10715

Passing Analysis

Category:
Athletes Passed
2609
Passed By
836
Net Change
+1773
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16049
5K → 10K320269+51#16049#15998
10K → 15K42661+365#15998#15633
15K → 20K31060+250#15633#15383
20K → Half4226+16#15383#15367
Half → 25K27725+252#15367#15115
25K → 30K38742+345#15115#14770
30K → 20M17617+159#14770#14611
20M → 21M13930+109#14611#14502
21M → 35K5435+19#14502#14483
35K → 23M19510+185#14483#14298
23M → 24M13814+124#14298#14174
24M → 40K8651+35#14174#14139
40K → 25.2M3135-4#14139#14143
25.2M → Finish28161-133#14143#14276
TOTALS2609836+1773
📊

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