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BOSTON MARATHON 2023

Daniel Cotter

Bib: 31219•M

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
8:23/mi
26:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
51:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:17:18
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:43:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:48:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:09:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:37:35
↑ 181↓ 1480.2%
20M
9:14/mi
2:50:08
↑ 64↓ 500.2%
21M
9:54/mi
3:00:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:06:41
↑ 17↓ 861.7%
23M
9:01/mi
3:17:58
↑ 23↓ 630.6%
24M
9:02/mi
3:27:00
↓ 821.3%
40K· 24.85 mi
9:05/mi
3:34:46
↓ 200.3%
25.2M
9:11/mi
3:37:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:46:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:40
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:57:29
Pace8:58 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4126:048:2326:04
8:23
-
10K
6.21 mi12:12:0651:298:1725:25
8:11
-0:12
15K
9.32 mi12:37:551:17:188:1825:49
8:19
+0:08
20K
12.43 mi13:03:401:43:038:1825:45
8:17
-0:02
Half
13.11 mi13:09:171:48:408:175:37
8:14
-0:03
25K
15.53 mi13:30:122:09:358:2120:55
8:38
+0:24
30K
18.64 mi13:58:122:37:358:2728:00
9:01
+0:23
20M
20.00 mi14:10:452:50:088:3012:33
9:14
+0:13
21M
21.00 mi14:20:393:00:028:349:54
9:54
+0:40
35K
21.75 mi14:27:183:06:418:356:39
8:53
-1:01
23M
23.00 mi14:38:353:17:588:3611:17
9:01
+0:08
24M
24.00 mi14:47:373:27:008:389:02
9:02
+0:01
40K
24.85 mi14:55:233:34:468:387:46
9:05
+0:03
25.2M
25.20 mi14:58:333:37:568:393:10
9:11
+0:06
Finish
26.22 mi15:06:463:46:098:388:13
8:04
-1:07

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

8:04 /mi

Average Pace

8:38 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:48

61% of race

Time at Steady Pace

1:02:44

28% of race

Time at Slower Pace

25:37

11% of race

Average Pace: 8:38 /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 mi11:46:4126:048:2326:04
8:23
#16791
10K
6.21 mi12:12:0651:298:1725:25
8:11
#16394
15K
9.32 mi12:37:551:17:188:1825:49
8:19
#16470
20K
12.43 mi13:03:401:43:038:1825:45
8:17
#16218
Half
13.11 mi13:09:171:48:408:175:37
8:14
#16200
25K
15.53 mi13:30:122:09:358:2120:55
8:38
#16337
30K
18.64 mi13:58:122:37:358:2728:00
9:01
#16481
20M
20.00 mi14:10:452:50:088:3012:33
9:14
#16577
21M
21.00 mi14:20:393:00:028:349:54
9:54
#16647
35K
21.75 mi14:27:183:06:418:356:39
8:53
#16666
23M
23.00 mi14:38:353:17:588:3611:17
9:01
#16620
24M
24.00 mi14:47:373:27:008:389:02
9:02
#16656
40K
24.85 mi14:55:233:34:468:387:46
9:05
#16647
25.2M
25.20 mi14:58:333:37:568:393:10
9:11
#16587
Finish
26.22 mi15:06:463:46:098:388:13
8:04
#16412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16791109821098216590(Top 62%)10911(Top 72%)10911(Top 206%)
10K6.21 mi3.10 mi16394+39710852+13010852+13016110(Top 61%)10750(Top 71%)10750(Top 203%)
15K9.32 mi3.11 mi16470-7610880-2810880-2816590(Top 62%)10911(Top 72%)10911(Top 206%)
20K12.43 mi3.11 mi16218+25210765+11510765+11515533(Top 58%)10465(Top 69%)10465(Top 198%)
Half13.11 mi0.68 mi16200+1810752+1310752+1315989(Top 60%)10689(Top 70%)10689(Top 202%)
25K15.53 mi2.42 mi16337-13710785-3310785-3316947(Top 64%)10944(Top 72%)10944(Top 207%)
30K18.64 mi3.11 mi16481-14410783+210783+217227(Top 65%)11002(Top 72%)11002(Top 208%)
20M20.00 mi1.36 mi16577-9610813-3010813-3017697(Top 66%)11096(Top 73%)11096(Top 210%)
21M21.00 mi1.00 mi16647-7010840-2710840-2717634(Top 66%)11065(Top 73%)11065(Top 209%)
35K21.75 mi0.75 mi16666-19108401084017359(Top 65%)10858(Top 72%)10858(Top 205%)
23M23.00 mi1.25 mi16620+4610797+4310797+4316107(Top 61%)10282(Top 68%)10282(Top 195%)
24M24.00 mi1.00 mi16656-3610798-110798-117369(Top 65%)10789(Top 71%)10789(Top 204%)
40K24.85 mi0.85 mi16647+910774+2410774+2416550(Top 62%)10375(Top 68%)10375(Top 196%)
25.2M25.20 mi0.35 mi16587+6010744+3010744+3013531(Top 51%)9024(Top 59%)9024(Top 171%)
Finish26.22 mi1.02 mi16412+17510661+8310661+8312553(Top 47%)8560(Top 56%)8560(Top 162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16590

Males

10911

M18-39

10911

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16110

Males

10750

M18-39

10750

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16590

Males

10911

M18-39

10911

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15533

Males

10465

M18-39

10465

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15989

Males

10689

M18-39

10689

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16947

Males

10944

M18-39

10944

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17227

Males

11002

M18-39

11002

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17697

Males

11096

M18-39

11096

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17634

Males

11065

M18-39

11065

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17359

Males

10858

M18-39

10858

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16107

Males

10282

M18-39

10282

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17369

Males

10789

M18-39

10789

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16550

Males

10375

M18-39

10375

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13531

Males

9024

M18-39

9024

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12553

Males

8560

M18-39

8560

Passing Analysis

Category:
Athletes Passed
1920
Passed By
1541
Net Change
+379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16791
5K → 10K546149+397#16791#16394
10K → 15K157233-76#16394#16470
15K → 20K31159+252#16470#16218
20K → Half5436+18#16218#16200
Half → 25K97234-137#16200#16337
25K → 30K138282-144#16337#16481
30K → 20M48144-96#16481#16577
20M → 21M59129-70#16577#16647
21M → 35K4564-19#16647#16666
35K → 23M10054+46#16666#16620
23M → 24M5288-36#16620#16656
24M → 40K6556+9#16656#16647
40K → 25.2M699+60#16647#16587
25.2M → Finish1794+175#16587#16412
TOTALS19201541+379
📊

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