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BOSTON MARATHON 2023

Floris Van Diest

Bib: 2106•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:03
Rank: #967
Start → 5K
6:08/mi
19:03 split
10K· 6.21 mi
37:38
Rank: #849 (+118)
5K → 10K
5:59/mi
18:35 split
15K· 9.32 mi
56:43
Rank: #917 (-68)
10K → 15K
6:09/mi
19:05 split
20K· 12.43 mi
1:16:08
Rank: #980 (-63)
15K → 20K
6:15/mi
19:25 split
Half· 13.11 mi
1:20:20
Rank: #986 (-6)
20K → Half
6:09/mi
4:12 split
25K· 15.53 mi
1:35:38
Rank: #1007 (-21)
Half → 25K
6:19/mi
15:18 split
30K· 18.64 mi
1:55:37
Rank: #1026 (-19)
25K → 30K
6:26/mi
19:59 split
20M
2:04:19
Rank: #1022 (+4)
30K → 20M
6:24/mi
8:42 split
21M
2:11:12
Rank: #1029 (-7)
20M → 21M
6:53/mi
6:53 split
35K· 21.75 mi
2:15:50
Rank: #1026 (+3)
21M → 35K
6:12/mi
4:38 split
23M
2:24:03
Rank: #1039 (-13)
35K → 23M
6:34/mi
8:13 split
24M
2:30:37
Rank: #1068 (-29)
23M → 24M
6:34/mi
6:34 split
40K· 24.85 mi
2:36:28
Rank: #1111 (-43)
24M → 40K
6:51/mi
5:51 split
25.2M
2:39:00
Rank: #1123 (-12)
40K → 25.2M
7:21/mi
2:32 split
Finish· 26.22 mi
2:45:37
Rank: #1154 (-31)
25.2M → Finish
6:30/mi
6:37 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:20
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:25:17
Pace6:30 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4819:036:0819:03
6:08
-
10K
6.21 mi10:38:2337:386:0318:35
5:59
-0:09
15K
9.32 mi10:57:2856:436:0519:05
6:09
+0:10
20K
12.43 mi11:16:531:16:086:0819:25
6:15
+0:06
Half
13.11 mi11:21:051:20:206:084:12
6:09
-0:06
25K
15.53 mi11:36:231:35:386:0915:18
6:19
+0:10
30K
18.64 mi11:56:221:55:376:1219:59
6:26
+0:07
20M
20.00 mi12:05:042:04:196:138:42
6:24
-0:02
21M
21.00 mi12:11:572:11:126:156:53
6:53
+0:29
35K
21.75 mi12:16:352:15:506:154:38
6:12
-0:41
23M
23.00 mi12:24:482:24:036:168:13
6:34
+0:22
24M
24.00 mi12:31:222:30:376:176:34
6:34
0:00
40K
24.85 mi12:37:132:36:286:185:51
6:51
+0:17
25.2M
25.20 mi12:39:452:39:006:192:32
7:21
+0:30
Finish
26.22 mi12:46:222:45:376:196:37
6:30
-0:51

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

5:59 /mi

Average Pace

6:19 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:33

40% of race

Time at Steady Pace

1:24:48

51% of race

Time at Slower Pace

15:16

9% of race

Average Pace: 6:19 /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 mi10:19:4819:036:0819:03
6:08
#967
10K
6.21 mi10:38:2337:386:0318:35
5:59
#849
15K
9.32 mi10:57:2856:436:0519:05
6:09
#917
20K
12.43 mi11:16:531:16:086:0819:25
6:15
#980
Half
13.11 mi11:21:051:20:206:084:12
6:09
#986
25K
15.53 mi11:36:231:35:386:0915:18
6:19
#1007
30K
18.64 mi11:56:221:55:376:1219:59
6:26
#1026
20M
20.00 mi12:05:042:04:196:138:42
6:24
#1022
21M
21.00 mi12:11:572:11:126:156:53
6:53
#1029
35K
21.75 mi12:16:352:15:506:154:38
6:12
#1026
23M
23.00 mi12:24:482:24:036:168:13
6:34
#1039
24M
24.00 mi12:31:222:30:376:176:34
6:34
#1068
40K
24.85 mi12:37:132:36:286:185:51
6:51
#1111
25.2M
25.20 mi12:39:452:39:006:192:32
7:21
#1123
Finish
26.22 mi12:46:222:45:376:196:37
6:30
#1154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9679119111078(Top 4%)1025(Top 7%)1025(Top 19%)
10K6.21 mi3.10 mi849+118801+110801+110757(Top 3%)713(Top 5%)713(Top 13%)
15K9.32 mi3.11 mi917-68867-66867-661078(Top 4%)1025(Top 7%)1025(Top 19%)
20K12.43 mi3.11 mi980-63930-63930-631204(Top 5%)1151(Top 8%)1151(Top 22%)
Half13.11 mi0.68 mi986-6936-6936-61184(Top 4%)1133(Top 7%)1133(Top 21%)
25K15.53 mi2.42 mi1007-21957-21957-211368(Top 5%)1305(Top 9%)1305(Top 25%)
30K18.64 mi3.11 mi1026-19976-19976-191316(Top 5%)1258(Top 8%)1258(Top 24%)
20M20.00 mi1.36 mi1022+4972+4972+41143(Top 4%)1093(Top 7%)1093(Top 21%)
21M21.00 mi1.00 mi1029-7979-7979-71678(Top 6%)1594(Top 11%)1594(Top 30%)
35K21.75 mi0.75 mi1026+3976+3976+31208(Top 5%)1151(Top 8%)1151(Top 22%)
23M23.00 mi1.25 mi1039-13988-12988-121638(Top 6%)1556(Top 10%)1556(Top 29%)
24M24.00 mi1.00 mi1068-291016-281016-282359(Top 9%)2202(Top 15%)2202(Top 42%)
40K24.85 mi0.85 mi1111-431059-431059-432991(Top 11%)2749(Top 18%)2749(Top 52%)
25.2M25.20 mi0.35 mi1123-121070-111070-113064(Top 12%)2787(Top 18%)2787(Top 53%)
Finish26.22 mi1.02 mi1154-311100-301100-302414(Top 9%)2222(Top 15%)2222(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1078

Males

1025

M18-39

1025

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

757

Males

713

M18-39

713

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1078

Males

1025

M18-39

1025

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1204

Males

1151

M18-39

1151

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1184

Males

1133

M18-39

1133

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1368

Males

1305

M18-39

1305

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1316

Males

1258

M18-39

1258

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1143

Males

1093

M18-39

1093

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1678

Males

1594

M18-39

1594

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1208

Males

1151

M18-39

1151

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1638

Males

1556

M18-39

1556

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2359

Males

2202

M18-39

2202

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2991

Males

2749

M18-39

2749

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3064

Males

2787

M18-39

2787

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2414

Males

2222

M18-39

2222

Passing Analysis

Category:
Athletes Passed
291
Passed By
478
Net Change
-187
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#967
5K → 10K12911+118#967#849
10K → 15K977-68#849#917
15K → 20K1376-63#917#980
20K → Half39-6#980#986
Half → 25K1738-21#986#1007
25K → 30K3150-19#1007#1026
30K → 20M2218+4#1026#1022
20M → 21M1724-7#1022#1029
21M → 35K129+3#1029#1026
35K → 23M1225-13#1026#1039
23M → 24M635-29#1039#1068
24M → 40K750-43#1068#1111
40K → 25.2M315-12#1111#1123
25.2M → Finish1041-31#1123#1154
TOTALS291478-187
📊

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