Capital Road Race Management
Boston Marathon logo
BOSTON MARATHON 2023

Troy Cox

ON

Bib: 2841 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
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
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:24/mi
19:52
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:20/mi
39:33
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:27/mi
59:34
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:33/mi
1:19:55
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:31/mi
1:24:22
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:35/mi
1:40:20
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:55/mi
2:01:50
↑ 181↓ 1480.2%
138 ft elev
20M
7:02/mi
2:11:24
↑ 64↓ 500.2%
148 ft elev
21M
7:43/mi
2:19:07
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:50/mi
2:24:14
↑ 17↓ 861.7%
156 ft elev
23M
7:00/mi
2:33:00
↑ 23↓ 630.6%
116 ft elev
24M
6:47/mi
2:39:47
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:03/mi
2:45:49
↓ 200.3%
20 ft elev
25.2M
7:38/mi
2:48:27
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:06/mi
2:55:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

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
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3719:526:2419:52
6:24
-
10K
6.21 mi10:40:1839:336:2219:41
6:20
-0:04
15K
9.32 mi11:00:1959:346:2320:01
6:27
+0:07
20K
12.43 mi11:20:401:19:556:2620:21
6:33
+0:06
Half
13.11 mi11:25:071:24:226:264:27
6:31
-0:02
25K
15.53 mi11:41:051:40:206:2815:58
6:35
+0:04
30K
18.64 mi12:02:352:01:506:3221:30
6:55
+0:20
20M
20.00 mi12:12:092:11:246:349:34
7:02
+0:07
21M
21.00 mi12:19:522:19:076:377:43
7:43
+0:41
35K
21.75 mi12:24:592:24:146:385:07
6:50
-0:53
23M
23.00 mi12:33:452:33:006:398:46
7:00
+0:10
24M
24.00 mi12:40:322:39:476:396:47
6:47
-0:13
40K
24.85 mi12:46:342:45:496:406:02
7:03
+0:16
25.2M
25.20 mi12:49:122:48:276:412:38
7:38
+0:35
Finish
26.22 mi12:56:262:55:416:427:14
7:06
-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

6:20 /mi

Average Pace

6:42 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

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

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 mi10:20:3719:526:2419:52
6:24
#1802
10K
6.21 mi10:40:1839:336:2219:41
6:20
#1828
15K
9.32 mi11:00:1959:346:2320:01
6:27
#1964
20K
12.43 mi11:20:401:19:556:2620:21
6:33
#2092
Half
13.11 mi11:25:071:24:226:264:27
6:31
#2131
25K
15.53 mi11:41:051:40:206:2815:58
6:35
#2195
30K
18.64 mi12:02:352:01:506:3221:30
6:55
#2403
20M
20.00 mi12:12:092:11:246:349:34
7:02
#2477
21M
21.00 mi12:19:522:19:076:377:43
7:43
#2598
35K
21.75 mi12:24:592:24:146:385:07
6:50
#2635
23M
23.00 mi12:33:452:33:006:398:46
7:00
#2668
24M
24.00 mi12:40:322:39:476:396:47
6:47
#2697
40K
24.85 mi12:46:342:45:496:406:02
7:03
#2726
25.2M
25.20 mi12:49:122:48:276:412:38
7:38
#2748
Finish
26.22 mi12:56:262:55:416:427:14
7:06
#2861
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi180217181718233122382238
10K6.21 mi3.10 mi1828-261749-311749-31192518441844
15K9.32 mi3.11 mi1964-1361880-1311880-131233122382238
20K12.43 mi3.11 mi2092-1282004-1242004-124256724562456
Half13.11 mi0.68 mi2131-392041-372041-37292027952795
25K15.53 mi2.42 mi2195-642105-642105-64262825162516
30K18.64 mi3.11 mi2403-2082303-1982303-198377535393539
20M20.00 mi1.36 mi2477-742372-692372-69424039113911
21M21.00 mi1.00 mi2598-1212486-1142486-114567849504950
35K21.75 mi0.75 mi2635-372518-322518-32437939973997
23M23.00 mi1.25 mi2668-332549-312549-31377934863486
24M24.00 mi1.00 mi2697-292573-242573-24353532463246
40K24.85 mi0.85 mi2726-292596-232596-23410736683668
25.2M25.20 mi0.35 mi2748-222612-162612-16447138843884
Finish26.22 mi1.02 mi2861-1132711-992711-99577747694769

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2331

Males

2238

M55-59

2238

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1925

Males

1844

M55-59

1844

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2331

Males

2238

M55-59

2238

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2567

Males

2456

M55-59

2456

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

2920

Males

2795

M55-59

2795

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2628

Males

2516

M55-59

2516

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3775

Males

3539

M55-59

3539

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4240

Males

3911

M55-59

3911

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5678

Males

4950

M55-59

4950

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4379

Males

3997

M55-59

3997

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

3779

Males

3486

M55-59

3486

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3535

Males

3246

M55-59

3246

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4107

Males

3668

M55-59

3668

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4471

Males

3884

M55-59

3884

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5777

Males

4769

M55-59

4769

Passing Analysis

Category:
Athletes Passed
337
Passed By
1396
Net Change
-1059
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1802
5K → 10K78104-26#1802#1828
10K → 15K22158-136#1828#1964
15K → 20K27155-128#1964#2092
20K → Half443-39#2092#2131
Half → 25K2488-64#2131#2195
25K → 30K19227-208#2195#2403
30K → 20M2094-74#2403#2477
20M → 21M11132-121#2477#2598
21M → 35K1148-37#2598#2635
35K → 23M3568-33#2635#2668
23M → 24M3867-29#2668#2697
24M → 40K2756-29#2697#2726
40K → 25.2M628-22#2726#2748
25.2M → Finish15128-113#2748#2861
TOTALS3371396-1059

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support