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BOSTON MARATHON 2023

Colin Mccatharn

Bib: 5867•M

LA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:23
Rank: #2596
Start → 5K
20:23 | 6:34/mi
10K· 6.21 mi
39:44
Rank: #1953 (+643)
5K → 10K
19:21 | 6:14/mi
15K· 9.32 mi
59:09
Rank: #1769 (+184)
10K → 15K
19:25 | 6:15/mi
20K· 12.43 mi
1:18:58
Rank: #1736 (+33)
15K → 20K
19:49 | 6:23/mi
Half· 13.11 mi
1:23:10
Rank: #1710 (+26)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:38:35
Rank: #1680 (+30)
Half → 25K
15:25 | 6:22/mi
30K· 18.64 mi
1:58:31
Rank: #1580 (+100)
25K → 30K
19:56 | 6:25/mi
20M
2:07:06
Rank: #1500 (+80)
30K → 20M
8:35 | 6:19/mi
21M
2:13:38
Rank: #1426 (+74)
20M → 21M
6:32 | 6:32/mi
35K· 21.75 mi
2:18:10
Rank: #1395 (+31)
21M → 35K
4:32 | 6:04/mi
23M
2:26:00
Rank: #1324 (+71)
35K → 23M
7:50 | 6:15/mi
24M
2:31:58
Rank: #1254 (+70)
23M → 24M
5:58 | 5:58/mi
40K· 24.85 mi
2:37:05
Rank: #1183 (+71)
24M → 40K
5:07 | 5:59/mi
25.2M
2:39:10
Rank: #1146 (+37)
40K → 25.2M
2:05 | 6:02/mi
Finish· 26.22 mi
2:44:49
Rank: #1066 (+80)
25.2M → Finish
5:39 | 5:33/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:23:10
Pace6:21 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:21:39
Pace6:14 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5320:236:3420:23
6:34
-
10K
6.21 mi10:42:1439:446:2419:21
6:14
-0:20
15K
9.32 mi11:01:3959:096:2119:25
6:15
+0:01
20K
12.43 mi11:21:281:18:586:2119:49
6:23
+0:08
Half
13.11 mi11:25:401:23:106:214:12
6:09
-0:14
25K
15.53 mi11:41:051:38:356:2115:25
6:22
+0:13
30K
18.64 mi12:01:011:58:316:2119:56
6:25
+0:03
20M
20.00 mi12:09:362:07:066:218:35
6:19
-0:06
21M
21.00 mi12:16:082:13:386:226:32
6:32
+0:13
35K
21.75 mi12:20:402:18:106:214:32
6:04
-0:28
23M
23.00 mi12:28:302:26:006:217:50
6:15
+0:11
24M
24.00 mi12:34:282:31:586:205:58
5:58
-0:17
40K
24.85 mi12:39:352:37:056:195:07
5:59
+0:01
25.2M
25.20 mi12:41:402:39:106:192:05
6:02
+0:03
Finish
26.22 mi12:47:192:44:496:175:39
5:33
-0:29

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

5:33 /mi

Average Pace

6:17 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:21

14% of race

Time at Steady Pace

2:01:05

73% of race

Time at Slower Pace

20:23

12% of race

Average Pace: 6:17 /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 mi10:22:5320:236:3420:23
6:34
#2596
10K
6.21 mi10:42:1439:446:2419:21
6:14
#1953
15K
9.32 mi11:01:3959:096:2119:25
6:15
#1769
20K
12.43 mi11:21:281:18:586:2119:49
6:23
#1736
Half
13.11 mi11:25:401:23:106:214:12
6:09
#1710
25K
15.53 mi11:41:051:38:356:2115:25
6:22
#1680
30K
18.64 mi12:01:011:58:316:2119:56
6:25
#1580
20M
20.00 mi12:09:362:07:066:218:35
6:19
#1500
21M
21.00 mi12:16:082:13:386:226:32
6:32
#1426
35K
21.75 mi12:20:402:18:106:214:32
6:04
#1395
23M
23.00 mi12:28:302:26:006:217:50
6:15
#1324
24M
24.00 mi12:34:282:31:586:205:58
5:58
#1254
40K
24.85 mi12:39:352:37:056:195:07
5:59
#1183
25.2M
25.20 mi12:41:402:39:106:192:05
6:02
#1146
Finish
26.22 mi12:47:192:44:496:175:39
5:33
#1066
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2596247324731425(Top 5%)1358(Top 9%)1358(Top 26%)
10K6.21 mi3.10 mi1953+6431870+6031870+6031456(Top 5%)1390(Top 9%)1390(Top 26%)
15K9.32 mi3.11 mi1769+1841691+1791691+1791425(Top 5%)1358(Top 9%)1358(Top 26%)
20K12.43 mi3.11 mi1736+331661+301661+301698(Top 6%)1624(Top 11%)1624(Top 31%)
Half13.11 mi0.68 mi1710+261637+241637+241186(Top 4%)1135(Top 7%)1135(Top 21%)
25K15.53 mi2.42 mi1680+301608+291608+291544(Top 6%)1479(Top 10%)1479(Top 28%)
30K18.64 mi3.11 mi1580+1001511+971511+971254(Top 5%)1196(Top 8%)1196(Top 23%)
20M20.00 mi1.36 mi1500+801433+781433+78912(Top 3%)871(Top 6%)871(Top 16%)
21M21.00 mi1.00 mi1426+741362+711362+71724(Top 3%)683(Top 5%)683(Top 13%)
35K21.75 mi0.75 mi1395+311331+311331+31824(Top 3%)781(Top 5%)781(Top 15%)
23M23.00 mi1.25 mi1324+711263+681263+68736(Top 3%)696(Top 5%)696(Top 13%)
24M24.00 mi1.00 mi1254+701197+661197+66490(Top 2%)463(Top 3%)463(Top 9%)
40K24.85 mi0.85 mi1183+711128+691128+69329(Top 1%)305(Top 2%)305(Top 6%)
25.2M25.20 mi0.35 mi1146+371092+361092+3694(Top 0.4%)84(Top 0.6%)84(Top 2%)
Finish26.22 mi1.02 mi1066+801015+771015+77120(Top 0.5%)107(Top 0.7%)107(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1425

Males

1358

M18-39

1358

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1456

Males

1390

M18-39

1390

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1425

Males

1358

M18-39

1358

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1698

Males

1624

M18-39

1624

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1186

Males

1135

M18-39

1135

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1544

Males

1479

M18-39

1479

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1254

Males

1196

M18-39

1196

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

912

Males

871

M18-39

871

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

724

Males

683

M18-39

683

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

824

Males

781

M18-39

781

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

736

Males

696

M18-39

696

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

490

Males

463

M18-39

463

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

329

Males

305

M18-39

305

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
×1story
+13ft-16ft

Overall

94

Males

84

M18-39

84

25.2M→Finish

25.2 - 26.2 mi

Top 0.5%
×2stories
+22ft-21ft

Overall

120

Males

107

M18-39

107

Passing Analysis

Category:
Athletes Passed
1609
Passed By
79
Net Change
+1530
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2596
5K → 10K6452+643#2596#1953
10K → 15K1917+184#1953#1769
15K → 20K6128+33#1769#1736
20K → Half271+26#1736#1710
Half → 25K5121+30#1710#1680
25K → 30K11414+100#1680#1580
30K → 20M833+80#1580#1500
20M → 21M751+74#1500#1426
21M → 35K310+31#1426#1395
35K → 23M732+71#1395#1324
23M → 24M700+70#1324#1254
24M → 40K710+71#1254#1183
40K → 25.2M370+37#1183#1146
25.2M → Finish800+80#1146#1066
TOTALS160979+1530
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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