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BOSTON MARATHON 2023

Hans De Kuyper

Bib: 11506•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 46%
Masters (Masters Men)
#0 / 9891
Top 33%
Division (M50-54)
#0 / 2052
Top 29%
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
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:10/mi
45:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:06/mi
1:07:20
↑ 67↓ 78
20K· 12.43 mi
7:19/mi
1:30:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:34:57
↑ 19↓ 370.5%
25K· 15.53 mi
7:28/mi
1:53:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:17:14
↑ 181↓ 1480.2%
20M
7:53/mi
2:27:57
↑ 64↓ 500.2%
21M
8:19/mi
2:36:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:41:59
↑ 17↓ 861.7%
23M
7:56/mi
2:51:55
↑ 23↓ 630.6%
24M
7:40/mi
2:59:35
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:06:23
↓ 200.3%
25.2M
8:36/mi
3:09:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:17:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:57
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:42:06
Pace7:47 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4323:027:2523:02
7:25
-
10K
6.21 mi11:11:5945:187:1722:16
7:10
-0:15
15K
9.32 mi11:34:011:07:207:1322:02
7:06
-0:04
20K
12.43 mi11:56:461:30:057:1522:45
7:19
+0:13
Half
13.11 mi12:01:381:34:577:154:52
7:08
-0:11
25K
15.53 mi12:19:451:53:047:1718:07
7:28
+0:20
30K
18.64 mi12:43:552:17:147:2224:10
7:47
+0:19
20M
20.00 mi12:54:382:27:577:2410:43
7:53
+0:06
21M
21.00 mi13:02:572:36:167:268:19
8:19
+0:26
35K
21.75 mi13:08:402:41:597:275:43
7:38
-0:41
23M
23.00 mi13:18:362:51:557:289:56
7:56
+0:18
24M
24.00 mi13:26:162:59:357:297:40
7:40
-0:16
40K
24.85 mi13:33:043:06:237:306:48
7:57
+0:17
25.2M
25.20 mi13:36:023:09:217:312:58
8:36
+0:39
Finish
26.22 mi13:43:443:17:037:317:42
7:33
-1:03

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

7:06 /mi

Average Pace

7:31 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:57

48% of race

Time at Steady Pace

1:03:22

32% of race

Time at Slower Pace

38:44

20% of race

Average Pace: 7:31 /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 mi10:49:4323:027:2523:02
7:25
#8918
10K
6.21 mi11:11:5945:187:1722:16
7:10
#8378
15K
9.32 mi11:34:011:07:207:1322:02
7:06
#7928
20K
12.43 mi11:56:461:30:057:1522:45
7:19
#7877
Half
13.11 mi12:01:381:34:577:154:52
7:08
#7860
25K
15.53 mi12:19:451:53:047:1718:07
7:28
#7920
30K
18.64 mi12:43:552:17:147:2224:10
7:47
#8095
20M
20.00 mi12:54:382:27:577:2410:43
7:53
#8154
21M
21.00 mi13:02:572:36:167:268:19
8:19
#8207
35K
21.75 mi13:08:402:41:597:275:43
7:38
#8230
23M
23.00 mi13:18:362:51:557:289:56
7:56
#8271
24M
24.00 mi13:26:162:59:357:297:40
7:40
#8275
40K
24.85 mi13:33:043:06:237:306:48
7:57
#8297
25.2M
25.20 mi13:36:023:09:217:312:58
8:36
#8309
Finish
26.22 mi13:43:443:17:037:317:42
7:33
#8308
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8918754375437115(Top 27%)6328(Top 42%)6328(Top 308%)
10K6.21 mi3.10 mi8378+5407197+3467197+3467874(Top 30%)6854(Top 45%)6854(Top 334%)
15K9.32 mi3.11 mi7928+4506912+2856912+2857115(Top 27%)6328(Top 42%)6328(Top 308%)
20K12.43 mi3.11 mi7877+516861+516861+517947(Top 30%)6853(Top 45%)6853(Top 334%)
Half13.11 mi0.68 mi7860+176847+146847+147382(Top 28%)6502(Top 43%)6502(Top 317%)
25K15.53 mi2.42 mi7920-606864-176864-178564(Top 32%)7181(Top 47%)7181(Top 350%)
30K18.64 mi3.11 mi8095-1756933-696933-699181(Top 34%)7374(Top 49%)7374(Top 359%)
20M20.00 mi1.36 mi8154-596954-216954-219436(Top 35%)7427(Top 49%)7427(Top 362%)
21M21.00 mi1.00 mi8207-536965-116965-119295(Top 35%)7232(Top 48%)7232(Top 352%)
35K21.75 mi0.75 mi8230-236970-56970-59512(Top 36%)7349(Top 48%)7349(Top 358%)
23M23.00 mi1.25 mi8271-416980-106980-109271(Top 35%)7103(Top 47%)7103(Top 346%)
24M24.00 mi1.00 mi8275-46956+246956+248829(Top 33%)6798(Top 45%)6798(Top 331%)
40K24.85 mi0.85 mi8297-226951+56951+59695(Top 36%)7173(Top 47%)7173(Top 350%)
25.2M25.20 mi0.35 mi8309-126952-16952-110090(Top 38%)7324(Top 48%)7324(Top 357%)
Finish26.22 mi1.02 mi8308+16924+286924+288934(Top 34%)6712(Top 44%)6712(Top 327%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7115

Males

6328

M50-54

6328

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7874

Males

6854

M50-54

6854

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7115

Males

6328

M50-54

6328

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7947

Males

6853

M50-54

6853

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7382

Males

6502

M50-54

6502

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8564

Males

7181

M50-54

7181

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9181

Males

7374

M50-54

7374

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9436

Males

7427

M50-54

7427

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9295

Males

7232

M50-54

7232

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9512

Males

7349

M50-54

7349

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9271

Males

7103

M50-54

7103

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8829

Males

6798

M50-54

6798

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9695

Males

7173

M50-54

7173

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10090

Males

7324

M50-54

7324

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8934

Males

6712

M50-54

6712

Passing Analysis

Category:
Athletes Passed
1825
Passed By
1215
Net Change
+610
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8918
5K → 10K60868+540#8918#8378
10K → 15K46111+450#8378#7928
15K → 20K14190+51#7928#7877
20K → Half2710+17#7877#7860
Half → 25K83143-60#7860#7920
25K → 30K73248-175#7920#8095
30K → 20M66125-59#8095#8154
20M → 21M56109-53#8154#8207
21M → 35K3457-23#8207#8230
35K → 23M73114-41#8230#8271
23M → 24M6569-4#8271#8275
24M → 40K4870-22#8275#8297
40K → 25.2M2436-12#8297#8309
25.2M → Finish6665+1#8309#8308
TOTALS18251215+610
📊

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