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BOSTON MARATHON 2023

Bob Mccarron

CT

Bib: 31142 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:26/mi
29:18
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:37/mi
59:12
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:34/mi
1:28:55
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:37/mi
1:58:48
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:32/mi
2:05:18
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:46/mi
2:28:58
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:28/mi
3:01:30
↑ 181↓ 1480.2%
138 ft elev
20M
10:43/mi
3:16:04
↑ 64↓ 500.2%
148 ft elev
21M
11:39/mi
3:27:43
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:04/mi
3:36:00
↑ 17↓ 861.7%
156 ft elev
23M
11:01/mi
3:49:47
↑ 23↓ 630.6%
116 ft elev
24M
10:34/mi
4:00:21
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:00/mi
4:09:45
↓ 200.3%
20 ft elev
25.2M
11:10/mi
4:13:36
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:19/mi
4:24:07
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:18
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:18:49
Pace10:35 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4229:189:2629:18
9:26
-
10K
6.21 mi12:20:3659:129:3229:54
9:37
+0:11
15K
9.32 mi12:50:191:28:559:3229:43
9:34
-0:03
20K
12.43 mi13:20:121:58:489:3429:53
9:37
+0:03
Half
13.11 mi13:26:422:05:189:336:30
9:32
-0:05
25K
15.53 mi13:50:222:28:589:3523:40
9:46
+0:14
30K
18.64 mi14:22:543:01:309:4432:32
10:28
+0:42
20M
20.00 mi14:37:283:16:049:4814:34
10:43
+0:15
21M
21.00 mi14:49:073:27:439:5311:39
11:39
+0:56
35K
21.75 mi14:57:243:36:009:568:17
11:04
-0:35
23M
23.00 mi15:11:113:49:479:5913:47
11:01
-0:03
24M
24.00 mi15:21:454:00:2110:0110:34
10:34
-0:27
40K
24.85 mi15:31:094:09:4510:039:24
11:00
+0:26
25.2M
25.20 mi15:35:004:13:3610:043:51
11:10
+0:10
Finish
26.22 mi15:45:314:24:0710:0510:31
10:19
-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

9:26 /mi

Average Pace

10:05 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:58

56% of race

Time at Steady Pace

1:08:11

26% of race

Time at Slower Pace

46:58

18% of race

Average Pace: 10:04 /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 mi11:50:4229:189:2629:18
9:26
#21877
10K
6.21 mi12:20:3659:129:3229:54
9:37
#22390
15K
9.32 mi12:50:191:28:559:3229:43
9:34
#22422
20K
12.43 mi13:20:121:58:489:3429:53
9:37
#22283
Half
13.11 mi13:26:422:05:189:336:30
9:32
#22274
25K
15.53 mi13:50:222:28:589:3523:40
9:46
#22164
30K
18.64 mi14:22:543:01:309:4432:32
10:28
#22178
20M
20.00 mi14:37:283:16:049:4814:34
10:43
#22168
21M
21.00 mi14:49:073:27:439:5311:39
11:39
#22161
35K
21.75 mi14:57:243:36:009:568:17
11:04
#22196
23M
23.00 mi15:11:113:49:479:5913:47
11:01
#22225
24M
24.00 mi15:21:454:00:2110:0110:34
10:34
#22213
40K
24.85 mi15:31:094:09:4510:039:24
11:00
#22230
25.2M
25.20 mi15:35:004:13:3610:043:51
11:10
#22213
Finish
26.22 mi15:45:314:24:0710:0510:31
10:19
#22229
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21877130321303222428(Top 84%)13381(Top 88%)13381(Top 941%)
10K6.21 mi3.10 mi22390-51313321-28913321-28922862(Top 86%)13577(Top 89%)13577(Top 955%)
15K9.32 mi3.11 mi22422-3213346-2513346-2522428(Top 84%)13381(Top 88%)13381(Top 941%)
20K12.43 mi3.11 mi22283+13913287+5913287+5921907(Top 82%)13141(Top 87%)13141(Top 924%)
Half13.11 mi0.68 mi22274+913281+613281+622162(Top 83%)13272(Top 87%)13272(Top 933%)
25K15.53 mi2.42 mi22164+11013222+5913222+5921636(Top 81%)12982(Top 86%)12982(Top 913%)
30K18.64 mi3.11 mi22178-14132221322222145(Top 83%)13148(Top 87%)13148(Top 925%)
20M20.00 mi1.36 mi22168+1013209+1313209+1322190(Top 83%)13079(Top 86%)13079(Top 920%)
21M21.00 mi1.00 mi22161+713196+1313196+1322148(Top 83%)13044(Top 86%)13044(Top 917%)
35K21.75 mi0.75 mi22196-3513200-413200-423417(Top 88%)13564(Top 89%)13564(Top 954%)
23M23.00 mi1.25 mi22225-2913201-113201-122358(Top 84%)13090(Top 86%)13090(Top 921%)
24M24.00 mi1.00 mi22213+1213196+513196+522168(Top 83%)12953(Top 85%)12953(Top 911%)
40K24.85 mi0.85 mi22230-1713195+113195+122329(Top 84%)12994(Top 86%)12994(Top 914%)
25.2M25.20 mi0.35 mi22213+1713187+813187+820811(Top 78%)12311(Top 81%)12311(Top 866%)
Finish26.22 mi1.02 mi22229-1613182+513182+522593(Top 85%)13132(Top 87%)13132(Top 923%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22428

Males

13381

M55-59

13381

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22862

Males

13577

M55-59

13577

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22428

Males

13381

M55-59

13381

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21907

Males

13141

M55-59

13141

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22162

Males

13272

M55-59

13272

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21636

Males

12982

M55-59

12982

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22145

Males

13148

M55-59

13148

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22190

Males

13079

M55-59

13079

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22148

Males

13044

M55-59

13044

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23417

Males

13564

M55-59

13564

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22358

Males

13090

M55-59

13090

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22168

Males

12953

M55-59

12953

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22329

Males

12994

M55-59

12994

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20811

Males

12311

M55-59

12311

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22593

Males

13132

M55-59

13132

Passing Analysis

Category:
Athletes Passed
1053
Passed By
1405
Net Change
-352
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21877
5K → 10K70583-513#21877#22390
10K → 15K146178-32#22390#22422
15K → 20K20465+139#22422#22283
20K → Half2415+9#22283#22274
Half → 25K16454+110#22274#22164
25K → 30K125139-14#22164#22178
30K → 20M6959+10#22178#22168
20M → 21M5750+7#22168#22161
21M → 35K2156-35#22161#22196
35K → 23M4170-29#22196#22225
23M → 24M4735+12#22225#22213
24M → 40K3350-17#22213#22230
40K → 25.2M2710+17#22230#22213
25.2M → Finish2541-16#22213#22229
TOTALS10531405-352
📊

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