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BOSTON MARATHON 2023

Colby Gray

Bib: 32080•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
29:45
Rank: #22307
Start → 5K
29:45 | 9:35/mi
10K· 6.21 mi
59:21
Rank: #22468 (-161)
5K → 10K
29:36 | 9:32/mi
15K· 9.32 mi
1:30:00
Rank: #22740 (-272)
10K → 15K
30:39 | 9:52/mi
20K· 12.43 mi
2:02:35
Rank: #23111 (-371)
15K → 20K
32:35 | 10:29/mi
Half· 13.11 mi
2:09:42
Rank: #23168 (-57)
20K → Half
7:07 | 10:26/mi
25K· 15.53 mi
2:38:09
Rank: #23570 (-402)
Half → 25K
28:27 | 11:44/mi
30K· 18.64 mi
3:19:08
Rank: #24139 (-569)
25K → 30K
40:59 | 13:11/mi
20M
3:37:54
Rank: #24367 (-228)
30K → 20M
18:46 | 13:49/mi
21M
3:51:35
Rank: #24407 (-40)
20M → 21M
13:41 | 13:41/mi
35K· 21.75 mi
4:00:57
Rank: #24453 (-46)
21M → 35K
9:22 | 12:31/mi
23M
4:15:57
Rank: #24424 (+29)
35K → 23M
15:00 | 11:59/mi
24M
4:29:06
Rank: #24514 (-90)
23M → 24M
13:09 | 13:09/mi
40K· 24.85 mi
4:39:55
Rank: #24545 (-31)
24M → 40K
10:49 | 12:39/mi
25.2M
4:44:40
Rank: #24566 (-21)
40K → 25.2M
4:45 | 13:46/mi
Finish· 26.22 mi
4:56:02
Rank: #24573 (-7)
25.2M → Finish
11:22 | 11:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:42
Pace9:54 /mi
2nd Half
Distance13.11 mi
Time2:46:20
Pace12:41 /mi
📊Positive Split: 28.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3229:459:3529:45
9:35
-
10K
6.21 mi12:19:0859:219:3329:36
9:32
-0:03
15K
9.32 mi12:49:471:30:009:3930:39
9:52
+0:20
20K
12.43 mi13:22:222:02:359:5232:35
10:29
+0:37
Half
13.11 mi13:29:292:09:429:547:07
10:26
-0:03
25K
15.53 mi13:57:562:38:0910:1128:27
11:44
+1:18
30K
18.64 mi14:38:553:19:0810:4140:59
13:11
+1:27
20M
20.00 mi14:57:413:37:5410:5418:46
13:49
+0:38
21M
21.00 mi15:11:223:51:3511:0213:41
13:41
-0:08
35K
21.75 mi15:20:444:00:5711:059:22
12:31
-1:10
23M
23.00 mi15:35:444:15:5711:0815:00
11:59
-0:32
24M
24.00 mi15:48:534:29:0611:1313:09
13:09
+1:10
40K
24.85 mi15:59:424:39:5511:1610:49
12:39
-0:30
25.2M
25.20 mi16:04:274:44:4011:184:45
13:46
+1:07
Finish
26.22 mi16:15:494:56:0211:1811:22
11:09
-2:37

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

9:32 /mi

Average Pace

11:18 /mi

Slowest Pace

13:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:04

48% of race

Time at Steady Pace

1:03:38

21% of race

Time at Slower Pace

1:31:20

31% of race

Average Pace: 11:17 /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 mi11:49:3229:459:3529:45
9:35
#22307
10K
6.21 mi12:19:0859:219:3329:36
9:32
#22468
15K
9.32 mi12:49:471:30:009:3930:39
9:52
#22740
20K
12.43 mi13:22:222:02:359:5232:35
10:29
#23111
Half
13.11 mi13:29:292:09:429:547:07
10:26
#23168
25K
15.53 mi13:57:562:38:0910:1128:27
11:44
#23570
30K
18.64 mi14:38:553:19:0810:4140:59
13:11
#24139
20M
20.00 mi14:57:413:37:5410:5418:46
13:49
#24367
21M
21.00 mi15:11:223:51:3511:0213:41
13:41
#24407
35K
21.75 mi15:20:444:00:5711:059:22
12:31
#24453
23M
23.00 mi15:35:444:15:5711:0815:00
11:59
#24424
24M
24.00 mi15:48:534:29:0611:1313:09
13:09
#24514
40K
24.85 mi15:59:424:39:5511:1610:49
12:39
#24545
25.2M
25.20 mi16:04:274:44:4011:184:45
13:46
#24566
Finish
26.22 mi16:15:494:56:0211:1811:22
11:09
#24573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22307132521325223219(Top 87%)13742(Top 91%)13742(Top 260%)
10K6.21 mi3.10 mi22468-16113361-10913361-10922589(Top 85%)13433(Top 89%)13433(Top 254%)
15K9.32 mi3.11 mi22740-27213516-15513516-15523219(Top 87%)13742(Top 91%)13742(Top 260%)
20K12.43 mi3.11 mi23111-37113681-16513681-16523809(Top 89%)13985(Top 92%)13985(Top 265%)
Half13.11 mi0.68 mi23168-5713708-2713708-2724072(Top 90%)14103(Top 93%)14103(Top 267%)
25K15.53 mi2.42 mi23570-40213891-18313891-18324919(Top 94%)14425(Top 95%)14425(Top 273%)
30K18.64 mi3.11 mi24139-56914118-22714118-22725559(Top 96%)14663(Top 97%)14663(Top 277%)
20M20.00 mi1.36 mi24367-22814207-8914207-8925731(Top 97%)14731(Top 97%)14731(Top 279%)
21M21.00 mi1.00 mi24407-4014215-814215-824751(Top 93%)14253(Top 94%)14253(Top 270%)
35K21.75 mi0.75 mi24453-4614237-2214237-2225195(Top 95%)14415(Top 95%)14415(Top 273%)
23M23.00 mi1.25 mi24424+2914209+2814209+2823968(Top 90%)13844(Top 91%)13844(Top 262%)
24M24.00 mi1.00 mi24514-9014240-3114240-3125583(Top 96%)14592(Top 96%)14592(Top 276%)
40K24.85 mi0.85 mi24545-3114245-514245-524609(Top 92%)14106(Top 93%)14106(Top 267%)
25.2M25.20 mi0.35 mi24566-2114249-414249-424799(Top 93%)14186(Top 93%)14186(Top 268%)
Finish26.22 mi1.02 mi24573-714248+114248+124230(Top 91%)13945(Top 92%)13945(Top 264%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23219

Males

13742

M18-39

13742

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22589

Males

13433

M18-39

13433

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23219

Males

13742

M18-39

13742

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23809

Males

13985

M18-39

13985

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

24072

Males

14103

M18-39

14103

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

24919

Males

14425

M18-39

14425

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

25559

Males

14663

M18-39

14663

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

25731

Males

14731

M18-39

14731

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24751

Males

14253

M18-39

14253

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

25195

Males

14415

M18-39

14415

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

23968

Males

13844

M18-39

13844

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25583

Males

14592

M18-39

14592

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24609

Males

14106

M18-39

14106

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24799

Males

14186

M18-39

14186

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24230

Males

13945

M18-39

13945

Passing Analysis

Category:
Athletes Passed
461
Passed By
2727
Net Change
-2266
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22307
5K → 10K162323-161#22307#22468
10K → 15K68340-272#22468#22740
15K → 20K46417-371#22740#23111
20K → Half562-57#23111#23168
Half → 25K14416-402#23168#23570
25K → 30K13582-569#23570#24139
30K → 20M7235-228#24139#24367
20M → 21M3070-40#24367#24407
21M → 35K1157-46#24407#24453
35K → 23M5526+29#24453#24424
23M → 24M10100-90#24424#24514
24M → 40K1344-31#24514#24545
40K → 25.2M728-21#24545#24566
25.2M → Finish2027-7#24566#24573
TOTALS4612727-2266
📊

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