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BOSTON MARATHON 2023

Zach Coville-Carney

Bib: 29834•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:08/mi
31:28
↑ 97↓ 3451.5%
10K· 6.21 mi
10:10/mi
1:03:02
↑ 79↓ 1380.4%
15K· 9.32 mi
10:42/mi
1:36:18
↑ 67↓ 78
20K· 12.43 mi
11:04/mi
2:10:41
↑ 106↓ 860.1%
Half· 13.11 mi
10:58/mi
2:18:10
↑ 19↓ 370.5%
25K· 15.53 mi
12:20/mi
2:48:04
↑ 66↓ 880.2%
30K· 18.64 mi
14:05/mi
3:31:48
↑ 181↓ 1480.2%
20M
14:54/mi
3:52:03
↑ 64↓ 500.2%
21M
15:31/mi
4:07:34
↑ 106↓ 241.6%
35K· 21.75 mi
13:19/mi
4:17:32
↑ 17↓ 861.7%
23M
12:21/mi
4:33:00
↑ 23↓ 630.6%
24M
12:16/mi
4:45:16
↓ 821.3%
40K· 24.85 mi
12:31/mi
4:55:58
↓ 200.3%
25.2M
13:17/mi
5:00:33
↑ 13↓ 160.2%
Finish· 26.22 mi
11:08/mi
5:11:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:10
Pace10:32 /mi
2nd Half
Distance13.11 mi
Time2:53:44
Pace13:15 /mi
📊Positive Split: 25.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3631:2810:0831:28
10:08
-
10K
6.21 mi12:21:101:03:0210:0931:34
10:10
+0:02
15K
9.32 mi12:54:261:36:1810:2033:16
10:42
+0:32
20K
12.43 mi13:28:492:10:4110:3134:23
11:04
+0:22
Half
13.11 mi13:36:182:18:1010:327:29
10:58
-0:06
25K
15.53 mi14:06:122:48:0410:4929:54
12:20
+1:22
30K
18.64 mi14:49:563:31:4811:2243:44
14:05
+1:45
20M
20.00 mi15:10:113:52:0311:3620:15
14:54
+0:49
21M
21.00 mi15:25:424:07:3411:4715:31
15:31
+0:37
35K
21.75 mi15:35:404:17:3211:519:58
13:19
-2:12
23M
23.00 mi15:51:084:33:0011:5215:28
12:21
-0:58
24M
24.00 mi16:03:244:45:1611:5312:16
12:16
-0:05
40K
24.85 mi16:14:064:55:5811:5410:42
12:31
+0:15
25.2M
25.20 mi16:18:415:00:3311:564:35
13:17
+0:46
Finish
26.22 mi16:30:025:11:5411:5411:21
11:08
-2:09

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

10:08 /mi

Average Pace

11:54 /mi

Slowest Pace

15:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:31

48% of race

Time at Steady Pace

1:08:20

22% of race

Time at Slower Pace

1:34:03

30% of race

Average Pace: 11:54 /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 mi11:49:3631:2810:0831:28
10:08
#23759
10K
6.21 mi12:21:101:03:0210:0931:34
10:10
#23947
15K
9.32 mi12:54:261:36:1810:2033:16
10:42
#24293
20K
12.43 mi13:28:492:10:4110:3134:23
11:04
#24443
Half
13.11 mi13:36:182:18:1010:327:29
10:58
#24474
25K
15.53 mi14:06:122:48:0410:4929:54
12:20
#24731
30K
18.64 mi14:49:563:31:4811:2243:44
14:05
#25175
20M
20.00 mi15:10:113:52:0311:3620:15
14:54
#25333
21M
21.00 mi15:25:424:07:3411:4715:31
15:31
#25404
35K
21.75 mi15:35:404:17:3211:519:58
13:19
#25429
23M
23.00 mi15:51:084:33:0011:5215:28
12:21
#25392
24M
24.00 mi16:03:244:45:1611:5312:16
12:16
#25375
40K
24.85 mi16:14:064:55:5811:5410:42
12:31
#25353
25.2M
25.20 mi16:18:415:00:3311:564:35
13:17
#25339
Finish
26.22 mi16:30:025:11:5411:5411:21
11:08
#25312
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23759139631396324809(Top 93%)14432(Top 95%)14432(Top 273%)
10K6.21 mi3.10 mi23947-18814061-9814061-9824046(Top 90%)14112(Top 93%)14112(Top 267%)
15K9.32 mi3.11 mi24293-34614219-15814219-15824809(Top 93%)14432(Top 95%)14432(Top 273%)
20K12.43 mi3.11 mi24443-15014283-6414283-6424712(Top 93%)14379(Top 95%)14379(Top 272%)
Half13.11 mi0.68 mi24474-3114287-414287-424898(Top 94%)14436(Top 95%)14436(Top 273%)
25K15.53 mi2.42 mi24731-25714395-10814395-10825410(Top 95%)14648(Top 97%)14648(Top 277%)
30K18.64 mi3.11 mi25175-44414568-17314568-17326064(Top 98%)14909(Top 98%)14909(Top 282%)
20M20.00 mi1.36 mi25333-15814628-6014628-6026256(Top 99%)14974(Top 99%)14974(Top 283%)
21M21.00 mi1.00 mi25404-7114648-2014648-2026022(Top 98%)14874(Top 98%)14874(Top 281%)
35K21.75 mi0.75 mi25429-2514655-714655-725766(Top 97%)14718(Top 97%)14718(Top 278%)
23M23.00 mi1.25 mi25392+3714639+1614639+1624438(Top 92%)14061(Top 93%)14061(Top 266%)
24M24.00 mi1.00 mi25375+1714628+1114628+1124808(Top 93%)14200(Top 94%)14200(Top 269%)
40K24.85 mi0.85 mi25353+2214613+1514613+1524461(Top 92%)14023(Top 92%)14023(Top 265%)
25.2M25.20 mi0.35 mi25339+1414603+1014603+1024304(Top 91%)13954(Top 92%)13954(Top 264%)
Finish26.22 mi1.02 mi25312+2714592+1114592+1124202(Top 91%)13935(Top 92%)13935(Top 264%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24809

Males

14432

M18-39

14432

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

24046

Males

14112

M18-39

14112

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24809

Males

14432

M18-39

14432

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24712

Males

14379

M18-39

14379

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24898

Males

14436

M18-39

14436

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25410

Males

14648

M18-39

14648

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26064

Males

14909

M18-39

14909

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26256

Males

14974

M18-39

14974

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26022

Males

14874

M18-39

14874

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25766

Males

14718

M18-39

14718

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24438

Males

14061

M18-39

14061

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24808

Males

14200

M18-39

14200

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24461

Males

14023

M18-39

14023

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24304

Males

13954

M18-39

13954

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24202

Males

13935

M18-39

13935

Passing Analysis

Category:
Athletes Passed
415
Passed By
1968
Net Change
-1553
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23759
5K → 10K108296-188#23759#23947
10K → 15K33379-346#23947#24293
15K → 20K53203-150#24293#24443
20K → Half1546-31#24443#24474
Half → 25K19276-257#24474#24731
25K → 30K8452-444#24731#25175
30K → 20M6164-158#25175#25333
20M → 21M879-71#25333#25404
21M → 35K1237-25#25404#25429
35K → 23M4912+37#25429#25392
23M → 24M2710+17#25392#25375
24M → 40K297+22#25375#25353
40K → 25.2M173+14#25353#25339
25.2M → Finish314+27#25339#25312
TOTALS4151968-1553
📊

Passing Visuals

Category:
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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