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BOSTON MARATHON 2023

David Wamboldt

Bib: 10785•M

NS

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Masters (Masters Men)
#0 / 9891
Top 22%
Division (M45-49)
#0 / 2252
Top 28%
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
7:12/mi
22:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
44:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:06:46
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:28:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:33:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:51:09
↑ 66↓ 880.2%
30K· 18.64 mi
7:14/mi
2:13:36
↑ 181↓ 1480.2%
20M
7:20/mi
2:23:34
↑ 64↓ 500.2%
21M
7:36/mi
2:31:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:13/mi
2:36:34
↑ 17↓ 861.7%
23M
7:21/mi
2:45:46
↑ 23↓ 630.6%
24M
7:05/mi
2:52:51
↓ 821.3%
40K· 24.85 mi
7:15/mi
2:59:03
↓ 200.3%
25.2M
7:53/mi
3:01:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:05/mi
3:08:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:50
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:35:09
Pace7:16 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3622:237:1222:23
7:12
-
10K
6.21 mi11:10:4044:277:0922:04
7:06
-0:06
15K
9.32 mi11:32:591:06:467:1022:19
7:11
+0:05
20K
12.43 mi11:55:121:28:597:1022:13
7:09
-0:02
Half
13.11 mi12:00:031:33:507:094:51
7:07
-0:02
25K
15.53 mi12:17:221:51:097:0917:19
7:09
+0:02
30K
18.64 mi12:39:492:13:367:1022:27
7:14
+0:05
20M
20.00 mi12:49:472:23:347:119:58
7:20
+0:06
21M
21.00 mi12:57:232:31:107:127:36
7:36
+0:16
35K
21.75 mi13:02:472:36:347:125:24
7:13
-0:23
23M
23.00 mi13:11:592:45:467:129:12
7:21
+0:08
24M
24.00 mi13:19:042:52:517:127:05
7:05
-0:16
40K
24.85 mi13:25:162:59:037:126:12
7:15
+0:10
25.2M
25.20 mi13:27:593:01:467:132:43
7:53
+0:38
Finish
26.22 mi13:35:123:08:597:137:13
7:05
-0:48

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

7:05 /mi

Average Pace

7:13 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:16

99% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:12 /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 mi10:48:3622:237:1222:23
7:12
#7508
10K
6.21 mi11:10:4044:277:0922:04
7:06
#7440
15K
9.32 mi11:32:591:06:467:1022:19
7:11
#7509
20K
12.43 mi11:55:121:28:597:1022:13
7:09
#7271
Half
13.11 mi12:00:031:33:507:094:51
7:07
#7277
25K
15.53 mi12:17:221:51:097:0917:19
7:09
#7088
30K
18.64 mi12:39:492:13:367:1022:27
7:14
#6785
20M
20.00 mi12:49:472:23:347:119:58
7:20
#6696
21M
21.00 mi12:57:232:31:107:127:36
7:36
#6575
35K
21.75 mi13:02:472:36:347:125:24
7:13
#6543
23M
23.00 mi13:11:592:45:467:129:12
7:21
#6447
24M
24.00 mi13:19:042:52:517:127:05
7:05
#6331
40K
24.85 mi13:25:162:59:037:126:12
7:15
#6249
25.2M
25.20 mi13:27:593:01:467:132:43
7:53
#6221
Finish
26.22 mi13:35:123:08:597:137:13
7:05
#6185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7508665266527670(Top 29%)6700(Top 44%)6700(Top 298%)
10K6.21 mi3.10 mi7440+686591+616591+617450(Top 28%)6560(Top 43%)6560(Top 291%)
15K9.32 mi3.11 mi7509-696626-356626-357670(Top 29%)6700(Top 44%)6700(Top 298%)
20K12.43 mi3.11 mi7271+2386443+1836443+1836804(Top 26%)6066(Top 40%)6066(Top 269%)
Half13.11 mi0.68 mi7277-66447-46447-47156(Top 27%)6325(Top 42%)6325(Top 281%)
25K15.53 mi2.42 mi7088+1896299+1486299+1486336(Top 24%)5676(Top 37%)5676(Top 252%)
30K18.64 mi3.11 mi6785+3036053+2466053+2465635(Top 21%)5101(Top 34%)5101(Top 227%)
20M20.00 mi1.36 mi6696+895972+815972+815829(Top 22%)5167(Top 34%)5167(Top 229%)
21M21.00 mi1.00 mi6575+1215868+1045868+1045093(Top 19%)4546(Top 30%)4546(Top 202%)
35K21.75 mi0.75 mi6543+325839+295839+296596(Top 25%)5633(Top 37%)5633(Top 250%)
23M23.00 mi1.25 mi6447+965755+845755+845559(Top 21%)4882(Top 32%)4882(Top 217%)
24M24.00 mi1.00 mi6331+1165658+975658+975108(Top 19%)4508(Top 30%)4508(Top 200%)
40K24.85 mi0.85 mi6249+825588+705588+705151(Top 19%)4447(Top 29%)4447(Top 197%)
25.2M25.20 mi0.35 mi6221+285559+295559+295775(Top 22%)4795(Top 32%)4795(Top 213%)
Finish26.22 mi1.02 mi6185+365519+405519+405700(Top 21%)4727(Top 31%)4727(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7670

Males

6700

M45-49

6700

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7450

Males

6560

M45-49

6560

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7670

Males

6700

M45-49

6700

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6804

Males

6066

M45-49

6066

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7156

Males

6325

M45-49

6325

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6336

Males

5676

M45-49

5676

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5635

Males

5101

M45-49

5101

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5829

Males

5167

M45-49

5167

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5093

Males

4546

M45-49

4546

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6596

Males

5633

M45-49

5633

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5559

Males

4882

M45-49

4882

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5108

Males

4508

M45-49

4508

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5151

Males

4447

M45-49

4447

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5775

Males

4795

M45-49

4795

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5700

Males

4727

M45-49

4727

Passing Analysis

Category:
Athletes Passed
1884
Passed By
561
Net Change
+1323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7508
5K → 10K253185+68#7508#7440
10K → 15K104173-69#7440#7509
15K → 20K25618+238#7509#7271
20K → Half1824-6#7271#7277
Half → 25K20213+189#7277#7088
25K → 30K31815+303#7088#6785
30K → 20M10617+89#6785#6696
20M → 21M13312+121#6696#6575
21M → 35K5624+32#6575#6543
35K → 23M11822+96#6543#6447
23M → 24M12610+116#6447#6331
24M → 40K886+82#6331#6249
40K → 25.2M368+28#6249#6221
25.2M → Finish7034+36#6221#6185
TOTALS1884561+1323
📊

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