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BOSTON MARATHON 2023

Nicholas Kynoch

Bib: 27555•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
9:20/mi
28:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:57/mi
56:47
↑ 79↓ 1380.4%
15K· 9.32 mi
9:04/mi
1:24:58
↑ 67↓ 78
20K· 12.43 mi
9:09/mi
1:53:24
↑ 106↓ 860.1%
Half· 13.11 mi
9:02/mi
1:59:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:39/mi
2:22:57
↑ 66↓ 880.2%
30K· 18.64 mi
9:35/mi
2:52:44
↑ 181↓ 1480.2%
20M
9:49/mi
3:06:05
↑ 64↓ 500.2%
21M
10:39/mi
3:16:44
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:23:47
↑ 17↓ 861.7%
23M
10:00/mi
3:36:18
↑ 23↓ 630.6%
24M
10:26/mi
3:46:44
↓ 821.3%
40K· 24.85 mi
10:50/mi
3:56:00
↓ 200.3%
25.2M
11:36/mi
4:00:00
↑ 13↓ 160.2%
Finish· 26.22 mi
10:01/mi
4:10:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:34
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:10:38
Pace9:58 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2728:599:2028:59
9:20
-
10K
6.21 mi12:14:1556:479:0827:48
8:57
-0:23
15K
9.32 mi12:42:261:24:589:0728:11
9:04
+0:07
20K
12.43 mi13:10:521:53:249:0728:26
9:09
+0:05
Half
13.11 mi13:17:021:59:349:076:10
9:02
-0:07
25K
15.53 mi13:40:252:22:579:1223:23
9:39
+0:37
30K
18.64 mi14:10:122:52:449:1629:47
9:35
-0:04
20M
20.00 mi14:23:333:06:059:1813:21
9:49
+0:14
21M
21.00 mi14:34:123:16:449:2210:39
10:39
+0:50
35K
21.75 mi14:41:153:23:479:227:03
9:25
-1:14
23M
23.00 mi14:53:463:36:189:2412:31
10:00
+0:35
24M
24.00 mi15:04:123:46:449:2710:26
10:26
+0:26
40K
24.85 mi15:13:283:56:009:309:16
10:50
+0:24
25.2M
25.20 mi15:17:284:00:009:314:00
11:36
+0:46
Finish
26.22 mi15:27:404:10:129:3310:12
10:01
-1:35

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

8:57 /mi

Average Pace

9:33 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:35

36% of race

Time at Steady Pace

2:05:16

50% of race

Time at Slower Pace

34:21

14% of race

Average Pace: 9:33 /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 mi11:46:2728:599:2028:59
9:20
#21619
10K
6.21 mi12:14:1556:479:0827:48
8:57
#21202
15K
9.32 mi12:42:261:24:589:0728:11
9:04
#21098
20K
12.43 mi13:10:521:53:249:0728:26
9:09
#20890
Half
13.11 mi13:17:021:59:349:076:10
9:02
#20868
25K
15.53 mi13:40:252:22:579:1223:23
9:39
#20936
30K
18.64 mi14:10:122:52:449:1629:47
9:35
#20694
20M
20.00 mi14:23:333:06:059:1813:21
9:49
#20623
21M
21.00 mi14:34:123:16:449:2210:39
10:39
#20570
35K
21.75 mi14:41:153:23:479:227:03
9:25
#20531
23M
23.00 mi14:53:463:36:189:2412:31
10:00
#20476
24M
24.00 mi15:04:123:46:449:2710:26
10:26
#20548
40K
24.85 mi15:13:283:56:009:309:16
10:50
#20619
25.2M
25.20 mi15:17:284:00:009:314:00
11:36
#20647
Finish
26.22 mi15:27:404:10:129:3310:12
10:01
#20685
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21619128951289520821(Top 78%)12666(Top 83%)12666(Top 240%)
10K6.21 mi3.10 mi21202+41712761+13412761+13420671(Top 78%)12574(Top 83%)12574(Top 238%)
15K9.32 mi3.11 mi21098+10412738+2312738+2320821(Top 78%)12666(Top 83%)12666(Top 240%)
20K12.43 mi3.11 mi20890+20812656+8212656+8220366(Top 77%)12465(Top 82%)12465(Top 236%)
Half13.11 mi0.68 mi20868+2212653+312653+320575(Top 77%)12547(Top 83%)12547(Top 237%)
25K15.53 mi2.42 mi20936-6812690-3712690-3721268(Top 80%)12823(Top 84%)12823(Top 243%)
30K18.64 mi3.11 mi20694+24212569+12112569+12119740(Top 74%)12107(Top 80%)12107(Top 229%)
20M20.00 mi1.36 mi20623+7112512+5712512+5719930(Top 75%)12097(Top 80%)12097(Top 229%)
21M21.00 mi1.00 mi20570+5312482+3012482+3020002(Top 75%)12049(Top 79%)12049(Top 228%)
35K21.75 mi0.75 mi20531+3912455+2712455+2719621(Top 74%)11883(Top 78%)11883(Top 225%)
23M23.00 mi1.25 mi20476+5512416+3912416+3919977(Top 75%)12012(Top 79%)12012(Top 227%)
24M24.00 mi1.00 mi20548-7212439-2312439-2321865(Top 82%)12812(Top 84%)12812(Top 242%)
40K24.85 mi0.85 mi20619-7112458-1912458-1922002(Top 83%)12825(Top 85%)12825(Top 243%)
25.2M25.20 mi0.35 mi20647-2812465-712465-721734(Top 82%)12728(Top 84%)12728(Top 241%)
Finish26.22 mi1.02 mi20685-3812472-712472-721775(Top 82%)12756(Top 84%)12756(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20821

Males

12666

M18-39

12666

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20671

Males

12574

M18-39

12574

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20821

Males

12666

M18-39

12666

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20366

Males

12465

M18-39

12465

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20575

Males

12547

M18-39

12547

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21268

Males

12823

M18-39

12823

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19740

Males

12107

M18-39

12107

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19930

Males

12097

M18-39

12097

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

20002

Males

12049

M18-39

12049

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19621

Males

11883

M18-39

11883

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19977

Males

12012

M18-39

12012

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21865

Males

12812

M18-39

12812

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22002

Males

12825

M18-39

12825

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21734

Males

12728

M18-39

12728

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21775

Males

12756

M18-39

12756

Passing Analysis

Category:
Athletes Passed
1867
Passed By
933
Net Change
+934
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21619
5K → 10K548131+417#21619#21202
10K → 15K219115+104#21202#21098
15K → 20K26052+208#21098#20890
20K → Half4624+22#20890#20868
Half → 25K75143-68#20868#20936
25K → 30K28240+242#20936#20694
30K → 20M10130+71#20694#20623
20M → 21M10249+53#20623#20570
21M → 35K6021+39#20570#20531
35K → 23M9136+55#20531#20476
23M → 24M2395-72#20476#20548
24M → 40K2495-71#20548#20619
40K → 25.2M937-28#20619#20647
25.2M → Finish2765-38#20647#20685
TOTALS1867933+934
📊

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