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BOSTON MARATHON 2023

David Hildenbrand

Bib: 8085•M

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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:07
Rank: #4632
Start → 5K
21:07 | 6:48/mi
10K· 6.21 mi
42:29
Rank: #5263 (-631)
5K → 10K
21:22 | 6:53/mi
15K· 9.32 mi
1:03:42
Rank: #5300 (-37)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:24:47
Rank: #5040 (+260)
15K → 20K
21:05 | 6:47/mi
Half· 13.11 mi
1:29:19
Rank: #4970 (+70)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:45:36
Rank: #4670 (+300)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:06:42
Rank: #4287 (+383)
25K → 30K
21:06 | 6:47/mi
20M
2:16:00
Rank: #4156 (+131)
30K → 20M
9:18 | 6:51/mi
21M
2:23:10
Rank: #4021 (+135)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:27:53
Rank: #3874 (+147)
21M → 35K
4:43 | 6:18/mi
23M
2:35:54
Rank: #3548 (+326)
35K → 23M
8:01 | 6:24/mi
24M
2:42:03
Rank: #3337 (+211)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:47:25
Rank: #3164 (+173)
24M → 40K
5:22 | 6:17/mi
25.2M
2:49:48
Rank: #3096 (+68)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:56:07
Rank: #2955 (+141)
25.2M → Finish
6:19 | 6:12/mi

The Course

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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
Time1:26:48
Pace6:37 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1121:076:4821:07
6:48
-
10K
6.21 mi11:07:3342:296:5021:22
6:53
+0:05
15K
9.32 mi11:28:461:03:426:5021:13
6:50
-0:03
20K
12.43 mi11:49:511:24:476:4921:05
6:47
-0:03
Half
13.11 mi11:54:231:29:196:494:32
6:39
-0:08
25K
15.53 mi12:10:401:45:366:4816:17
6:43
+0:04
30K
18.64 mi12:31:462:06:426:4821:06
6:47
+0:04
20M
20.00 mi12:41:042:16:006:489:18
6:51
+0:04
21M
21.00 mi12:48:142:23:106:497:10
7:10
+0:19
35K
21.75 mi12:52:572:27:536:484:43
6:18
-0:52
23M
23.00 mi13:00:582:35:546:478:01
6:24
+0:06
24M
24.00 mi13:07:072:42:036:456:09
6:09
-0:15
40K
24.85 mi13:12:292:47:256:445:22
6:17
+0:08
25.2M
25.20 mi13:14:522:49:486:442:23
6:55
+0:38
Finish
26.22 mi13:21:112:56:076:436:19
6:12
-0:43

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

6:09 /mi

Average Pace

6:43 /mi

Slowest Pace

7:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:23

29% of race

Time at Steady Pace

2:04:44

71% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:46:1121:076:4821:07
6:48
#4632
10K
6.21 mi11:07:3342:296:5021:22
6:53
#5263
15K
9.32 mi11:28:461:03:426:5021:13
6:50
#5300
20K
12.43 mi11:49:511:24:476:4921:05
6:47
#5040
Half
13.11 mi11:54:231:29:196:494:32
6:39
#4970
25K
15.53 mi12:10:401:45:366:4816:17
6:43
#4670
30K
18.64 mi12:31:462:06:426:4821:06
6:47
#4287
20M
20.00 mi12:41:042:16:006:489:18
6:51
#4156
21M
21.00 mi12:48:142:23:106:497:10
7:10
#4021
35K
21.75 mi12:52:572:27:536:484:43
6:18
#3874
23M
23.00 mi13:00:582:35:546:478:01
6:24
#3548
24M
24.00 mi13:07:072:42:036:456:09
6:09
#3337
40K
24.85 mi13:12:292:47:256:445:22
6:17
#3164
25.2M
25.20 mi13:14:522:49:486:442:23
6:55
#3096
Finish
26.22 mi13:21:112:56:076:436:19
6:12
#2955
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4632431543155356(Top 20%)4941(Top 33%)4941(Top 93%)
10K6.21 mi3.10 mi5263-6314867-5524867-5525947(Top 22%)5416(Top 36%)5416(Top 102%)
15K9.32 mi3.11 mi5300-374907-404907-405356(Top 20%)4941(Top 33%)4941(Top 93%)
20K12.43 mi3.11 mi5040+2604680+2274680+2274287(Top 16%)4004(Top 26%)4004(Top 76%)
Half13.11 mi0.68 mi4970+704622+584622+583731(Top 14%)3515(Top 23%)3515(Top 67%)
25K15.53 mi2.42 mi4670+3004349+2734349+2733464(Top 13%)3277(Top 22%)3277(Top 62%)
30K18.64 mi3.11 mi4287+3834018+3314018+3312920(Top 11%)2765(Top 18%)2765(Top 52%)
20M20.00 mi1.36 mi4156+1313899+1193899+1193075(Top 12%)2889(Top 19%)2889(Top 55%)
21M21.00 mi1.00 mi4021+1353775+1243775+1242915(Top 11%)2732(Top 18%)2732(Top 52%)
35K21.75 mi0.75 mi3874+1473643+1323643+1321619(Top 6%)1539(Top 10%)1539(Top 29%)
23M23.00 mi1.25 mi3548+3263352+2913352+2911125(Top 4%)1065(Top 7%)1065(Top 20%)
24M24.00 mi1.00 mi3337+2113158+1943158+194895(Top 3%)850(Top 6%)850(Top 16%)
40K24.85 mi0.85 mi3164+1732996+1622996+162854(Top 3%)810(Top 5%)810(Top 15%)
25.2M25.20 mi0.35 mi3096+682932+642932+641512(Top 6%)1429(Top 9%)1429(Top 27%)
Finish26.22 mi1.02 mi2955+1412798+1342798+1341285(Top 5%)1218(Top 8%)1218(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5356

Males

4941

M18-39

4941

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5947

Males

5416

M18-39

5416

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5356

Males

4941

M18-39

4941

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4287

Males

4004

M18-39

4004

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3731

Males

3515

M18-39

3515

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3464

Males

3277

M18-39

3277

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2920

Males

2765

M18-39

2765

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3075

Males

2889

M18-39

2889

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2915

Males

2732

M18-39

2732

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1619

Males

1539

M18-39

1539

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1125

Males

1065

M18-39

1065

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

895

Males

850

M18-39

850

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

854

Males

810

M18-39

810

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1512

Males

1429

M18-39

1429

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1285

Males

1218

M18-39

1218

Passing Analysis

Category:
Athletes Passed
2542
Passed By
865
Net Change
+1677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4632
5K → 10K49680-631#4632#5263
10K → 15K88125-37#5263#5300
15K → 20K27818+260#5300#5040
20K → Half733+70#5040#4970
Half → 25K3055+300#4970#4670
25K → 30K3841+383#4670#4287
30K → 20M14211+131#4287#4156
20M → 21M14712+135#4156#4021
21M → 35K1481+147#4021#3874
35K → 23M3260+326#3874#3548
23M → 24M2110+211#3548#3337
24M → 40K1730+173#3337#3164
40K → 25.2M680+68#3164#3096
25.2M → Finish1509+141#3096#2955
TOTALS2542865+1677
📊

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