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BOSTON MARATHON 2023

Scott Koonce

Bib: 12742•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M50-54)
#0 / 2052
Top 25%
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
7:26/mi
23:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:07/mi
45:11
↑ 79↓ 1380.4%
15K· 9.32 mi
7:05/mi
1:07:12
↑ 67↓ 78
20K· 12.43 mi
7:15/mi
1:29:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:34:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:52:17
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:15:48
↑ 181↓ 1480.2%
20M
7:47/mi
2:26:23
↑ 64↓ 500.2%
21M
8:09/mi
2:34:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:40:01
↑ 17↓ 861.7%
23M
7:46/mi
2:49:45
↑ 23↓ 630.6%
24M
7:39/mi
2:57:24
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:04:07
↓ 200.3%
25.2M
8:33/mi
3:07:04
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:14:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:39
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:40:15
Pace7:39 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3923:057:2623:05
7:26
-
10K
6.21 mi11:12:4545:117:1622:06
7:07
-0:19
15K
9.32 mi11:34:461:07:127:1322:01
7:05
-0:02
20K
12.43 mi11:57:171:29:437:1322:31
7:15
+0:10
Half
13.11 mi12:02:131:34:397:134:56
7:14
-0:01
25K
15.53 mi12:19:511:52:177:1417:38
7:16
+0:02
30K
18.64 mi12:43:222:15:487:1723:31
7:34
+0:18
20M
20.00 mi12:53:572:26:237:1910:35
7:47
+0:13
21M
21.00 mi13:02:062:34:327:228:09
8:09
+0:22
35K
21.75 mi13:07:352:40:017:215:29
7:20
-0:49
23M
23.00 mi13:17:192:49:457:239:44
7:46
+0:26
24M
24.00 mi13:24:582:57:247:247:39
7:39
-0:07
40K
24.85 mi13:31:413:04:077:246:43
7:51
+0:12
25.2M
25.20 mi13:34:383:07:047:252:57
8:33
+0:42
Finish
26.22 mi13:42:283:14:547:267:50
7:41
-0:52

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

7:05 /mi

Average Pace

7:26 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:41

49% of race

Time at Steady Pace

1:02:05

32% of race

Time at Slower Pace

38:08

20% of race

Average Pace: 7:26 /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 mi10:50:3923:057:2623:05
7:26
#9057
10K
6.21 mi11:12:4545:117:1622:06
7:07
#8259
15K
9.32 mi11:34:461:07:127:1322:01
7:05
#7814
20K
12.43 mi11:57:171:29:437:1322:31
7:15
#7686
Half
13.11 mi12:02:131:34:397:134:56
7:14
#7697
25K
15.53 mi12:19:511:52:177:1417:38
7:16
#7565
30K
18.64 mi12:43:222:15:487:1723:31
7:34
#7522
20M
20.00 mi12:53:572:26:237:1910:35
7:47
#7577
21M
21.00 mi13:02:062:34:327:228:09
8:09
#7589
35K
21.75 mi13:07:352:40:017:215:29
7:20
#7555
23M
23.00 mi13:17:192:49:457:239:44
7:46
#7532
24M
24.00 mi13:24:582:57:247:247:39
7:39
#7569
40K
24.85 mi13:31:413:04:077:246:43
7:51
#7600
25.2M
25.20 mi13:34:383:07:047:252:57
8:33
#7634
Finish
26.22 mi13:42:283:14:547:267:50
7:41
#7706
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9057763376337074(Top 27%)6299(Top 42%)6299(Top 307%)
10K6.21 mi3.10 mi8259+7987124+5097124+5097527(Top 28%)6622(Top 44%)6622(Top 323%)
15K9.32 mi3.11 mi7814+4456834+2906834+2907074(Top 27%)6299(Top 42%)6299(Top 307%)
20K12.43 mi3.11 mi7686+1286734+1006734+1007407(Top 28%)6498(Top 43%)6498(Top 317%)
Half13.11 mi0.68 mi7697-116739-56739-58055(Top 30%)6927(Top 46%)6927(Top 338%)
25K15.53 mi2.42 mi7565+1326641+986641+987110(Top 27%)6228(Top 41%)6228(Top 304%)
30K18.64 mi3.11 mi7522+436569+726569+727708(Top 29%)6516(Top 43%)6516(Top 318%)
20M20.00 mi1.36 mi7577-556581-126581-128738(Top 33%)7036(Top 46%)7036(Top 343%)
21M21.00 mi1.00 mi7589-126576+56576+58279(Top 31%)6631(Top 44%)6631(Top 323%)
35K21.75 mi0.75 mi7555+346544+326544+327310(Top 27%)6083(Top 40%)6083(Top 296%)
23M23.00 mi1.25 mi7532+236509+356509+358202(Top 31%)6520(Top 43%)6520(Top 318%)
24M24.00 mi1.00 mi7569-376513-46513-48710(Top 33%)6728(Top 44%)6728(Top 328%)
40K24.85 mi0.85 mi7600-316517-46517-48986(Top 34%)6796(Top 45%)6796(Top 331%)
25.2M25.20 mi0.35 mi7634-346529-126529-129783(Top 37%)7169(Top 47%)7169(Top 349%)
Finish26.22 mi1.02 mi7706-726553-246553-249860(Top 37%)7205(Top 47%)7205(Top 351%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7074

Males

6299

M50-54

6299

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7527

Males

6622

M50-54

6622

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7074

Males

6299

M50-54

6299

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7407

Males

6498

M50-54

6498

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8055

Males

6927

M50-54

6927

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7110

Males

6228

M50-54

6228

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7708

Males

6516

M50-54

6516

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8738

Males

7036

M50-54

7036

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8279

Males

6631

M50-54

6631

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7310

Males

6083

M50-54

6083

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8202

Males

6520

M50-54

6520

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8710

Males

6728

M50-54

6728

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8986

Males

6796

M50-54

6796

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9783

Males

7169

M50-54

7169

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9860

Males

7205

M50-54

7205

Passing Analysis

Category:
Athletes Passed
2224
Passed By
873
Net Change
+1351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9057
5K → 10K83840+798#9057#8259
10K → 15K45813+445#8259#7814
15K → 20K18254+128#7814#7686
20K → Half1829-11#7686#7697
Half → 25K16634+132#7697#7565
25K → 30K152109+43#7565#7522
30K → 20M57112-55#7522#7577
20M → 21M5668-12#7577#7589
21M → 35K5521+34#7589#7555
35K → 23M8865+23#7555#7532
23M → 24M4683-37#7532#7569
24M → 40K4980-31#7569#7600
40K → 25.2M1751-34#7600#7634
25.2M → Finish42114-72#7634#7706
TOTALS2224873+1351
📊

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