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BOSTON MARATHON 2023

Jan Adegeest

Bib: 4091•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Masters (Masters Men)
#0 / 9891
Top 7%
Division (M55-59)
#0 / 1422
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #3990
Start → 5K
20:56 | 6:44/mi
10K· 6.21 mi
41:50
Rank: #4294 (-304)
5K → 10K
20:54 | 6:44/mi
15K· 9.32 mi
1:02:40
Rank: #4244 (+50)
10K → 15K
20:50 | 6:42/mi
20K· 12.43 mi
1:24:45
Rank: #5012 (-768)
15K → 20K
22:05 | 7:06/mi
Half· 13.11 mi
1:29:19
Rank: #4969 (+43)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:45:30
Rank: #4607 (+362)
Half → 25K
16:11 | 6:40/mi
30K· 18.64 mi
2:06:20
Rank: #4091 (+516)
25K → 30K
20:50 | 6:42/mi
20M
2:15:22
Rank: #3854 (+237)
30K → 20M
9:02 | 6:39/mi
21M
2:22:15
Rank: #3648 (+206)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:26:47
Rank: #3434 (+214)
21M → 35K
4:32 | 6:04/mi
23M
2:34:45
Rank: #3187 (+247)
35K → 23M
7:58 | 6:22/mi
24M
2:40:59
Rank: #3026 (+161)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:46:30
Rank: #2914 (+112)
24M → 40K
5:31 | 6:27/mi
25.2M
2:48:57
Rank: #2876 (+38)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:55:43
Rank: #2867 (+9)
25.2M → Finish
6:46 | 6:38/mi

Course Map & Elevation

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:29:19
Pace6:49 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:24
Pace6:35 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3920:566:4420:56
6:44
-
10K
6.21 mi10:43:3341:506:4420:54
6:44
0:00
15K
9.32 mi11:04:231:02:406:4320:50
6:42
-0:02
20K
12.43 mi11:26:281:24:456:4922:05
7:06
+0:24
Half
13.11 mi11:31:021:29:196:494:34
6:42
-0:24
25K
15.53 mi11:47:131:45:306:4716:11
6:40
-0:02
30K
18.64 mi12:08:032:06:206:4720:50
6:42
+0:02
20M
20.00 mi12:17:052:15:226:469:02
6:39
-0:03
21M
21.00 mi12:23:582:22:156:466:53
6:53
+0:14
35K
21.75 mi12:28:302:26:476:454:32
6:04
-0:49
23M
23.00 mi12:36:282:34:456:447:58
6:22
+0:18
24M
24.00 mi12:42:422:40:596:426:14
6:14
-0:08
40K
24.85 mi12:48:132:46:306:425:31
6:27
+0:13
25.2M
25.20 mi12:50:402:48:576:422:27
7:06
+0:39
Finish
26.22 mi12:57:262:55:436:426:46
6:38
-0:28

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

6:04 /mi

Average Pace

6:42 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

56:14

32% of race

Time at Steady Pace

1:59:29

68% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:3920:566:4420:56
6:44
#3990
10K
6.21 mi10:43:3341:506:4420:54
6:44
#4294
15K
9.32 mi11:04:231:02:406:4320:50
6:42
#4244
20K
12.43 mi11:26:281:24:456:4922:05
7:06
#5012
Half
13.11 mi11:31:021:29:196:494:34
6:42
#4969
25K
15.53 mi11:47:131:45:306:4716:11
6:40
#4607
30K
18.64 mi12:08:032:06:206:4720:50
6:42
#4091
20M
20.00 mi12:17:052:15:226:469:02
6:39
#3854
21M
21.00 mi12:23:582:22:156:466:53
6:53
#3648
35K
21.75 mi12:28:302:26:476:454:32
6:04
#3434
23M
23.00 mi12:36:282:34:456:447:58
6:22
#3187
24M
24.00 mi12:42:422:40:596:426:14
6:14
#3026
40K
24.85 mi12:48:132:46:306:425:31
6:27
#2914
25.2M
25.20 mi12:50:402:48:576:422:27
7:06
#2876
Finish
26.22 mi12:57:262:55:436:426:46
6:38
#2867
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi3990374337434160(Top 16%)3902(Top 26%)3902(Top 274%)
10K6.21 mi3.10 mi4294-3044023-2804023-2804590(Top 17%)4278(Top 28%)4278(Top 301%)
15K9.32 mi3.11 mi4244+503976+473976+474160(Top 16%)3902(Top 26%)3902(Top 274%)
20K12.43 mi3.11 mi5012-7684658-6824658-6826585(Top 25%)5899(Top 39%)5899(Top 415%)
Half13.11 mi0.68 mi4969+434621+374621+374168(Top 16%)3892(Top 26%)3892(Top 274%)
25K15.53 mi2.42 mi4607+3624300+3214300+3213167(Top 12%)3019(Top 20%)3019(Top 212%)
30K18.64 mi3.11 mi4091+5163844+4563844+4562425(Top 9%)2309(Top 15%)2309(Top 162%)
20M20.00 mi1.36 mi3854+2373630+2143630+2142081(Top 8%)1985(Top 13%)1985(Top 140%)
21M21.00 mi1.00 mi3648+2063449+1813449+1811730(Top 6%)1646(Top 11%)1646(Top 116%)
35K21.75 mi0.75 mi3434+2143251+1983251+198848(Top 3%)805(Top 5%)805(Top 57%)
23M23.00 mi1.25 mi3187+2473023+2283023+2281005(Top 4%)955(Top 6%)955(Top 67%)
24M24.00 mi1.00 mi3026+1612872+1512872+1511152(Top 4%)1093(Top 7%)1093(Top 77%)
40K24.85 mi0.85 mi2914+1122768+1042768+1041409(Top 5%)1332(Top 9%)1332(Top 94%)
25.2M25.20 mi0.35 mi2876+382733+352733+352136(Top 8%)1992(Top 13%)1992(Top 140%)
Finish26.22 mi1.02 mi2867+92717+162717+163183(Top 12%)2860(Top 19%)2860(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4160

Males

3902

M55-59

3902

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4590

Males

4278

M55-59

4278

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4160

Males

3902

M55-59

3902

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6585

Males

5899

M55-59

5899

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4168

Males

3892

M55-59

3892

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3167

Males

3019

M55-59

3019

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2425

Males

2309

M55-59

2309

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2081

Males

1985

M55-59

1985

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1730

Males

1646

M55-59

1646

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

848

Males

805

M55-59

805

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1005

Males

955

M55-59

955

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1152

Males

1093

M55-59

1093

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1409

Males

1332

M55-59

1332

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2136

Males

1992

M55-59

1992

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3183

Males

2860

M55-59

2860

Passing Analysis

Category:
Athletes Passed
2455
Passed By
1332
Net Change
+1123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3990
5K → 10K103407-304#3990#4294
10K → 15K151101+50#4294#4244
15K → 20K6774-768#4244#5012
20K → Half474+43#5012#4969
Half → 25K3653+362#4969#4607
25K → 30K5171+516#4607#4091
30K → 20M2381+237#4091#3854
20M → 21M2082+206#3854#3648
21M → 35K2140+214#3648#3434
35K → 23M2470+247#3434#3187
23M → 24M1621+161#3187#3026
24M → 40K1142+112#3026#2914
40K → 25.2M424+38#2914#2876
25.2M → Finish4132+9#2876#2867
TOTALS24551332+1123
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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