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BOSTON MARATHON 2023

Edwin Kornoelje

Bib: 27457•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
8:49/mi
27:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
52:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:18:43
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:43:43
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:49:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:09:22
↑ 66↓ 880.2%
30K· 18.64 mi
9:19/mi
2:38:19
↑ 181↓ 1480.2%
20M
9:10/mi
2:50:46
↑ 64↓ 500.2%
21M
9:54/mi
3:00:40
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:07:57
↑ 17↓ 861.7%
23M
9:09/mi
3:19:24
↑ 23↓ 630.6%
24M
9:29/mi
3:28:53
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:36:43
↓ 200.3%
25.2M
10:15/mi
3:40:15
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:48:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:13
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:59:31
Pace9:07 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4227:258:4927:25
8:49
-
10K
6.21 mi12:09:2652:098:2424:44
7:58
-0:51
15K
9.32 mi12:36:001:18:438:2726:34
8:33
+0:35
20K
12.43 mi13:01:001:43:438:2125:00
8:03
-0:30
Half
13.11 mi13:06:301:49:138:205:30
8:04
+0:01
25K
15.53 mi13:26:392:09:228:2020:09
8:19
+0:15
30K
18.64 mi13:55:362:38:198:3028:57
9:19
+1:00
20M
20.00 mi14:08:032:50:468:3212:27
9:10
-0:09
21M
21.00 mi14:17:573:00:408:369:54
9:54
+0:44
35K
21.75 mi14:25:143:07:578:397:17
9:44
-0:10
23M
23.00 mi14:36:413:19:248:4011:27
9:09
-0:35
24M
24.00 mi14:46:103:28:538:429:29
9:29
+0:20
40K
24.85 mi14:54:003:36:438:437:50
9:10
-0:19
25.2M
25.20 mi14:57:323:40:158:443:32
10:15
+1:05
Finish
26.22 mi15:06:013:48:448:448:29
8:19
-1:56

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

7:58 /mi

Average Pace

8:44 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:26

48% of race

Time at Steady Pace

1:37:35

43% of race

Time at Slower Pace

20:43

9% of race

Average Pace: 8:43 /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 mi11:44:4227:258:4927:25
8:49
#19587
10K
6.21 mi12:09:2652:098:2424:44
7:58
#17158
15K
9.32 mi12:36:001:18:438:2726:34
8:33
#17491
20K
12.43 mi13:01:001:43:438:2125:00
8:03
#16596
Half
13.11 mi13:06:301:49:138:205:30
8:04
#16502
25K
15.53 mi13:26:392:09:228:2020:09
8:19
#16243
30K
18.64 mi13:55:362:38:198:3028:57
9:19
#16733
20M
20.00 mi14:08:032:50:468:3212:27
9:10
#16764
21M
21.00 mi14:17:573:00:408:369:54
9:54
#16816
35K
21.75 mi14:25:143:07:578:397:17
9:44
#17009
23M
23.00 mi14:36:413:19:248:4011:27
9:09
#16987
24M
24.00 mi14:46:103:28:538:429:29
9:29
#17104
40K
24.85 mi14:54:003:36:438:437:50
9:10
#17105
25.2M
25.20 mi14:57:323:40:158:443:32
10:15
#17143
Finish
26.22 mi15:06:013:48:448:448:29
8:19
#17035
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19587119961199618144(Top 68%)11535(Top 76%)11535(Top 811%)
10K6.21 mi3.10 mi17158+242911113+88311113+88314496(Top 54%)10124(Top 67%)10124(Top 712%)
15K9.32 mi3.11 mi17491-33311261-14811261-14818144(Top 68%)11535(Top 76%)11535(Top 811%)
20K12.43 mi3.11 mi16596+89510902+35910902+35913807(Top 52%)9801(Top 65%)9801(Top 689%)
Half13.11 mi0.68 mi16502+9410868+3410868+3414828(Top 56%)10245(Top 68%)10245(Top 720%)
25K15.53 mi2.42 mi16243+25910744+12410744+12415016(Top 56%)10154(Top 67%)10154(Top 714%)
30K18.64 mi3.11 mi16733-49010894-15010894-15018697(Top 70%)11646(Top 77%)11646(Top 819%)
20M20.00 mi1.36 mi16764-3110898-410898-417349(Top 65%)10964(Top 72%)10964(Top 771%)
21M21.00 mi1.00 mi16816-5210922-2410922-2417636(Top 66%)11067(Top 73%)11067(Top 778%)
35K21.75 mi0.75 mi17009-19310986-6410986-6420545(Top 77%)12274(Top 81%)12274(Top 863%)
23M23.00 mi1.25 mi16987+2210950+3610950+3616747(Top 63%)10568(Top 70%)10568(Top 743%)
24M24.00 mi1.00 mi17104-11710981-3110981-3119134(Top 72%)11587(Top 76%)11587(Top 815%)
40K24.85 mi0.85 mi17105-110966+1510966+1516906(Top 64%)10542(Top 69%)10542(Top 741%)
25.2M25.20 mi0.35 mi17143-3810975-910975-918236(Top 68%)11131(Top 73%)11131(Top 783%)
Finish26.22 mi1.02 mi17035+10810919+5610919+5614244(Top 54%)9363(Top 62%)9363(Top 658%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18144

Males

11535

M55-59

11535

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14496

Males

10124

M55-59

10124

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18144

Males

11535

M55-59

11535

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13807

Males

9801

M55-59

9801

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14828

Males

10245

M55-59

10245

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15016

Males

10154

M55-59

10154

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18697

Males

11646

M55-59

11646

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17349

Males

10964

M55-59

10964

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17636

Males

11067

M55-59

11067

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20545

Males

12274

M55-59

12274

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16747

Males

10568

M55-59

10568

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19134

Males

11587

M55-59

11587

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16906

Males

10542

M55-59

10542

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18236

Males

11131

M55-59

11131

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14244

Males

9363

M55-59

9363

Passing Analysis

Category:
Athletes Passed
4355
Passed By
1803
Net Change
+2552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19587
5K → 10K24389+2429#19587#17158
10K → 15K86419-333#17158#17491
15K → 20K8994+895#17491#16596
20K → Half1017+94#16596#16502
Half → 25K29334+259#16502#16243
25K → 30K71561-490#16243#16733
30K → 20M75106-31#16733#16764
20M → 21M60112-52#16764#16816
21M → 35K14207-193#16816#17009
35K → 23M9472+22#17009#16987
23M → 24M31148-117#16987#17104
24M → 40K5354-1#17104#17105
40K → 25.2M1452-38#17105#17143
25.2M → Finish12618+108#17143#17035
TOTALS43551803+2552
📊

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