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BOSTON MARATHON 2023

Colby Eastmond

Bib: 6380•M

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 40%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:23
Rank: #7511
Start → 5K
22:23 | 7:12/mi
10K· 6.21 mi
43:55
Rank: #6899 (+612)
5K → 10K
21:32 | 6:56/mi
15K· 9.32 mi
1:05:24
Rank: #6600 (+299)
10K → 15K
21:29 | 6:55/mi
20K· 12.43 mi
1:27:11
Rank: #6436 (+164)
15K → 20K
21:47 | 7:01/mi
Half· 13.11 mi
1:31:45
Rank: #6355 (+81)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:48:51
Rank: #6264 (+91)
Half → 25K
17:06 | 7:03/mi
30K· 18.64 mi
2:11:37
Rank: #6189 (+75)
25K → 30K
22:46 | 7:20/mi
20M
2:21:50
Rank: #6190 (-1)
30K → 20M
10:13 | 7:31/mi
21M
2:29:54
Rank: #6212 (-22)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:35:25
Rank: #6242 (-30)
21M → 35K
5:31 | 7:22/mi
23M
2:45:37
Rank: #6409 (-167)
35K → 23M
10:12 | 8:09/mi
24M
2:53:42
Rank: #6571 (-162)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:01:10
Rank: #6778 (-207)
24M → 40K
7:28 | 8:44/mi
25.2M
3:04:23
Rank: #6871 (-93)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:12:47
Rank: #7086 (-215)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:45
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:41:02
Pace7:42 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4122:237:1222:23
7:12
-
10K
6.21 mi10:47:1343:557:0421:32
6:56
-0:16
15K
9.32 mi11:08:421:05:247:0121:29
6:55
-0:01
20K
12.43 mi11:30:291:27:117:0121:47
7:01
+0:06
Half
13.11 mi11:35:031:31:457:004:34
6:42
-0:19
25K
15.53 mi11:52:091:48:517:0017:06
7:03
+0:21
30K
18.64 mi12:14:552:11:377:0422:46
7:20
+0:17
20M
20.00 mi12:25:082:21:507:0510:13
7:31
+0:11
21M
21.00 mi12:33:122:29:547:088:04
8:04
+0:33
35K
21.75 mi12:38:432:35:257:095:31
7:22
-0:42
23M
23.00 mi12:48:552:45:377:1210:12
8:09
+0:47
24M
24.00 mi12:57:002:53:427:148:05
8:05
-0:04
40K
24.85 mi13:04:283:01:107:177:28
8:44
+0:39
25.2M
25.20 mi13:07:413:04:237:193:13
9:20
+0:36
Finish
26.22 mi13:16:053:12:477:218:24
8:15
-1:05

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

6:42 /mi

Average Pace

7:21 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:35

25% of race

Time at Steady Pace

1:39:46

52% of race

Time at Slower Pace

45:26

24% of race

Average Pace: 7:21 /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 mi10:25:4122:237:1222:23
7:12
#7511
10K
6.21 mi10:47:1343:557:0421:32
6:56
#6899
15K
9.32 mi11:08:421:05:247:0121:29
6:55
#6600
20K
12.43 mi11:30:291:27:117:0121:47
7:01
#6436
Half
13.11 mi11:35:031:31:457:004:34
6:42
#6355
25K
15.53 mi11:52:091:48:517:0017:06
7:03
#6264
30K
18.64 mi12:14:552:11:377:0422:46
7:20
#6189
20M
20.00 mi12:25:082:21:507:0510:13
7:31
#6190
21M
21.00 mi12:33:122:29:547:088:04
8:04
#6212
35K
21.75 mi12:38:432:35:257:095:31
7:22
#6242
23M
23.00 mi12:48:552:45:377:1210:12
8:09
#6409
24M
24.00 mi12:57:002:53:427:148:05
8:05
#6571
40K
24.85 mi13:04:283:01:107:177:28
8:44
#6778
25.2M
25.20 mi13:07:413:04:237:193:13
9:20
#6871
Finish
26.22 mi13:16:053:12:477:218:24
8:15
#7086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7511665566556063(Top 23%)5509(Top 36%)5509(Top 104%)
10K6.21 mi3.10 mi6899+6126190+4656190+4656354(Top 24%)5744(Top 38%)5744(Top 109%)
15K9.32 mi3.11 mi6600+2995951+2395951+2396063(Top 23%)5509(Top 36%)5509(Top 104%)
20K12.43 mi3.11 mi6436+1645812+1395812+1396053(Top 23%)5514(Top 36%)5514(Top 104%)
Half13.11 mi0.68 mi6355+815747+655747+654356(Top 16%)4080(Top 27%)4080(Top 77%)
25K15.53 mi2.42 mi6264+915679+685679+685866(Top 22%)5345(Top 35%)5345(Top 101%)
30K18.64 mi3.11 mi6189+755607+725607+726190(Top 23%)5510(Top 36%)5510(Top 104%)
20M20.00 mi1.36 mi6190-15596+115596+116892(Top 26%)5901(Top 39%)5901(Top 112%)
21M21.00 mi1.00 mi6212-225599-35599-37755(Top 29%)6338(Top 42%)6338(Top 120%)
35K21.75 mi0.75 mi6242-305619-205619-207601(Top 29%)6243(Top 41%)6243(Top 118%)
23M23.00 mi1.25 mi6409-1675730-1115730-11110764(Top 40%)7841(Top 52%)7841(Top 148%)
24M24.00 mi1.00 mi6571-1625835-1055835-10511775(Top 44%)8275(Top 55%)8275(Top 157%)
40K24.85 mi0.85 mi6778-2075960-1255960-12514660(Top 55%)9510(Top 63%)9510(Top 180%)
25.2M25.20 mi0.35 mi6871-936015-556015-5514218(Top 53%)9311(Top 61%)9311(Top 176%)
Finish26.22 mi1.02 mi7086-2156138-1236138-12313682(Top 51%)9087(Top 60%)9087(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6063

Males

5509

M18-39

5509

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6354

Males

5744

M18-39

5744

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6063

Males

5509

M18-39

5509

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6053

Males

5514

M18-39

5514

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4356

Males

4080

M18-39

4080

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5866

Males

5345

M18-39

5345

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6190

Males

5510

M18-39

5510

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6892

Males

5901

M18-39

5901

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7755

Males

6338

M18-39

6338

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7601

Males

6243

M18-39

6243

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10764

Males

7841

M18-39

7841

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11775

Males

8275

M18-39

8275

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14660

Males

9510

M18-39

9510

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14218

Males

9311

M18-39

9311

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13682

Males

9087

M18-39

9087

Passing Analysis

Category:
Athletes Passed
1728
Passed By
1303
Net Change
+425
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7511
5K → 10K64230+612#7511#6899
10K → 15K31617+299#6899#6600
15K → 20K19632+164#6600#6436
20K → Half810+81#6436#6355
Half → 25K12130+91#6355#6264
25K → 30K14974+75#6264#6189
30K → 20M6162-1#6189#6190
20M → 21M5072-22#6190#6212
21M → 35K1646-30#6212#6242
35K → 23M37204-167#6242#6409
23M → 24M13175-162#6409#6571
24M → 40K20227-207#6571#6778
40K → 25.2M10103-93#6778#6871
25.2M → Finish16231-215#6871#7086
TOTALS17281303+425
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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