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BOSTON MARATHON 2023

Troy Cox

ON

Bib: 2841 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Masters (Masters Men)
#0 / 9891
Top 7%
Division (M55-59)
#0 / 1422
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 2
Mile 4
Mile 8
Mile 10
Mile 14
Start
0:00
Race begins
5K· 3.11 mi
6:24/mi
19:52
↑ 97↓ 345
10K· 6.21 mi
6:20/mi
39:33
↑ 79↓ 138
15K· 9.32 mi
6:27/mi
59:34
↑ 67↓ 78
20K· 12.43 mi
6:33/mi
1:19:55
↑ 106↓ 86
Half· 13.11 mi
6:31/mi
1:24:22
↑ 19↓ 37
25K· 15.53 mi
6:35/mi
1:40:20
↑ 66↓ 88
30K· 18.64 mi
6:55/mi
2:01:50
↑ 181↓ 148
20M
7:02/mi
2:11:24
↑ 64↓ 50
21M
7:43/mi
2:19:07
↑ 106↓ 24
35K· 21.75 mi
6:50/mi
2:24:14
↑ 17↓ 86
23M
7:00/mi
2:33:00
↑ 23↓ 63
24M
6:47/mi
2:39:47
↓ 82
40K· 24.85 mi
7:03/mi
2:45:49
↓ 20
25.2M
7:38/mi
2:48:27
↑ 13↓ 16
Finish· 26.22 mi
7:06/mi
2:55:41
↑ 22↓ 21
Course Elevation
890ft
Total climb
462ft
Range
7 to 469 ft
1,342ft
Total descent
About the height of two redwood trees

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The Course

Half Splits

1st Half· via Half
1:24:226:26 /mi⚡ faster
2nd Half
1:31:196:58 /mi+8.2%
Positive split — 8.2% slower in the second half
AI Race Performance Report

Troy's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:526:243.11 mi19:52
6:24
-
10K
39:336:223.10 mi19:41
6:20
-0:04
15K
59:346:233.11 mi20:01
6:27
+0:07
20K
1:19:556:263.11 mi20:21
6:33
+0:06
Half(13.11 mi)
1:24:226:260.68 mi4:27
6:31
-0:02
25K
1:40:206:282.42 mi15:58
6:35
+0:04
30K
2:01:506:323.11 mi21:30
6:55
+0:20
20M
2:11:246:341.36 mi9:34
7:02
+0:07
21M
2:19:076:371.00 mi7:43
7:43
+0:41
35K
2:24:146:380.75 mi5:07
6:50
-0:53
23M
2:33:006:391.25 mi8:46
7:00
+0:10
24M
2:39:476:391.00 mi6:47
6:47
-0:13
40K
2:45:496:400.85 mi6:02
7:03
+0:16
25.2M
2:48:276:410.35 mi2:38
7:38
+0:35
Finish(26.22 mi)
2:55:416:421.02 mi7:14
7:06
-0:32
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Troy's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Checkpoints & Pacing

Pace Line

Fastest Pace

6:20 /mi

Average Pace

6:42 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:40:20

57% of race

Time at Steady Pace

51:44

29% of race

Time at Slower Pace

23:37

13% of race

Average Pace: 6:42 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi180217181718233122382238
10K3.10 mi1828-261749-311749-31192518441844
15K3.11 mi1964-1361880-1311880-131233122382238
20K3.11 mi2092-1282004-1242004-124256724562456
Half(13.11 mi)0.68 mi2131-392041-372041-37292027952795
25K2.42 mi2195-642105-642105-64262825162516
30K3.11 mi2403-2082303-1982303-198377535393539
20M1.36 mi2477-742372-692372-69424039113911
21M1.00 mi2598-1212486-1142486-114567849504950
35K0.75 mi2635-372518-322518-32437939973997
23M1.25 mi2668-332549-312549-31377934863486
24M1.00 mi2697-292573-242573-24353532463246
40K0.85 mi2726-292596-232596-23410736683668
25.2M0.35 mi2748-222612-162612-16447138843884
Finish(26.22 mi)1.02 mi2861-1132711-992711-99577747694769

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
469 ft222 ft
↑ 97ft↓ 345ft
248 ft

Overall

2331

Males

2238

M55-59

2238

5K→10K

3.1 - 6.2 mi

Top 7%
216 ft157 ft
↑ 79ft↓ 138ft
59 ft

Overall

1925

Males

1844

M55-59

1844

10K→15K

6.2 - 9.3 mi

Top 9%
157 ft146 ft
↑ 67ft↓ 78ft
34 ft

Overall

2331

Males

2238

M55-59

2238

15K→20K

9.3 - 12.4 mi

Top 10%
147 ft167 ft
↑ 106ft↓ 86ft
63 ft

Overall

2567

Males

2456

M55-59

2456

20K→Half

12.4 - 13.1 mi

Top 11%
165 ft147 ft
↑ 19ft↓ 37ft
30 ft

Overall

2920

Males

2795

M55-59

2795

Half→25K

13.1 - 15.5 mi

Top 10%
148 ft126 ft
↑ 66ft↓ 88ft
44 ft

Overall

2628

Males

2516

M55-59

2516

25K→30K

15.5 - 18.6 mi

Top 14%
106 ft139 ft
↑ 181ft↓ 148ft
109 ft

Overall

3775

Males

3539

M55-59

3539

30K→20M

18.6 - 20.0 mi

Top 16%
134 ft148 ft
↑ 64ft↓ 50ft
56 ft

Overall

4240

Males

3911

M55-59

3911

20M→21M

20.0 - 21.0 mi

Top 21%
147 ft230 ft
↑ 106ft↓ 24ft
97 ft

Overall

5678

Males

4950

M55-59

4950

21M→35K

21.0 - 21.8 mi

Top 16%
223 ft154 ft
↑ 17ft↓ 86ft
78 ft

Overall

4379

Males

3997

M55-59

3997

35K→23M

21.8 - 23.0 mi

Top 14%
158 ft119 ft
↑ 23ft↓ 63ft
63 ft

Overall

3779

Males

3486

M55-59

3486

23M→24M

23.0 - 24.0 mi

Top 13%
115 ft45 ft
↑ 12ft↓ 82ft
70 ft

Overall

3535

Males

3246

M55-59

3246

24M→40K

24.0 - 24.9 mi

Top 15%
31 ft17 ft
↑ 6ft↓ 20ft
15 ft

Overall

4107

Males

3668

M55-59

3668

40K→25.2M

24.9 - 25.2 mi

Top 17%
22 ft19 ft
↑ 13ft↓ 16ft
16 ft

Overall

4471

Males

3884

M55-59

3884

25.2M→Finish

25.2 - 26.2 mi

Top 22%
16 ft17 ft
↑ 22ft↓ 21ft
19 ft

Overall

5777

Males

4769

M55-59

4769

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing