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BOSTON MARATHON 2023

Alec Womboldt

Bib: 4639•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #2568
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:32
Rank: #2634 (-66)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:00:39
Rank: #2561 (+73)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:20:42
Rank: #2409 (+152)
15K → 20K
20:03 | 6:27/mi
Half· 13.11 mi
1:24:57
Rank: #2359 (+50)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:40:31
Rank: #2252 (+107)
Half → 25K
15:34 | 6:25/mi
30K· 18.64 mi
2:00:10
Rank: #1939 (+313)
25K → 30K
19:39 | 6:19/mi
20M
2:08:51
Rank: #1870 (+69)
30K → 20M
8:41 | 6:23/mi
21M
2:15:27
Rank: #1765 (+105)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:20:00
Rank: #1710 (+55)
21M → 35K
4:33 | 6:05/mi
23M
2:27:41
Rank: #1603 (+107)
35K → 23M
7:41 | 6:08/mi
24M
2:33:42
Rank: #1525 (+78)
23M → 24M
6:01 | 6:01/mi
40K· 24.85 mi
2:39:01
Rank: #1468 (+57)
24M → 40K
5:19 | 6:13/mi
25.2M
2:41:16
Rank: #1445 (+23)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:47:17
Rank: #1372 (+73)
25.2M → Finish
6:01 | 5:54/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:24:57
Pace6:29 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:20
Pace6:17 /mi
📊Negative Split: 3.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4820:226:3320:22
6:33
-
10K
6.21 mi10:42:5840:326:3120:10
6:29
-0:04
15K
9.32 mi11:03:051:00:396:3020:07
6:28
-0:01
20K
12.43 mi11:23:081:20:426:3020:03
6:27
-0:01
Half
13.11 mi11:27:231:24:576:294:15
6:14
-0:13
25K
15.53 mi11:42:571:40:316:2815:34
6:25
+0:11
30K
18.64 mi12:02:362:00:106:2719:39
6:19
-0:06
20M
20.00 mi12:11:172:08:516:278:41
6:23
+0:04
21M
21.00 mi12:17:532:15:276:276:36
6:36
+0:13
35K
21.75 mi12:22:262:20:006:264:33
6:05
-0:31
23M
23.00 mi12:30:072:27:416:257:41
6:08
+0:03
24M
24.00 mi12:36:082:33:426:246:01
6:01
-0:07
40K
24.85 mi12:41:272:39:016:245:19
6:13
+0:12
25.2M
25.20 mi12:43:422:41:166:242:15
6:31
+0:18
Finish
26.22 mi12:49:432:47:176:236:01
5:54
-0:37

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

5:54 /mi

Average Pace

6:23 /mi

Slowest Pace

6:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:04

83% of race

Time at Steady Pace

29:13

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /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 mi10:22:4820:226:3320:22
6:33
#2568
10K
6.21 mi10:42:5840:326:3120:10
6:29
#2634
15K
9.32 mi11:03:051:00:396:3020:07
6:28
#2561
20K
12.43 mi11:23:081:20:426:3020:03
6:27
#2409
Half
13.11 mi11:27:231:24:576:294:15
6:14
#2359
25K
15.53 mi11:42:571:40:316:2815:34
6:25
#2252
30K
18.64 mi12:02:362:00:106:2719:39
6:19
#1939
20M
20.00 mi12:11:172:08:516:278:41
6:23
#1870
21M
21.00 mi12:17:532:15:276:276:36
6:36
#1765
35K
21.75 mi12:22:262:20:006:264:33
6:05
#1710
23M
23.00 mi12:30:072:27:416:257:41
6:08
#1603
24M
24.00 mi12:36:082:33:426:246:01
6:01
#1525
40K
24.85 mi12:41:272:39:016:245:19
6:13
#1468
25.2M
25.20 mi12:43:422:41:166:242:15
6:31
#1445
Finish
26.22 mi12:49:432:47:176:236:01
5:54
#1372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2568244724472471(Top 9%)2370(Top 16%)2370(Top 45%)
10K6.21 mi3.10 mi2634-662514-672514-672716(Top 10%)2597(Top 17%)2597(Top 49%)
15K9.32 mi3.11 mi2561+732447+672447+672471(Top 9%)2370(Top 16%)2370(Top 45%)
20K12.43 mi3.11 mi2409+1522307+1402307+1402041(Top 8%)1960(Top 13%)1960(Top 37%)
Half13.11 mi0.68 mi2359+502261+462261+461482(Top 6%)1418(Top 9%)1418(Top 27%)
25K15.53 mi2.42 mi2252+1072158+1032158+1031797(Top 7%)1720(Top 11%)1720(Top 33%)
30K18.64 mi3.11 mi1939+3131856+3021856+302986(Top 4%)938(Top 6%)938(Top 18%)
20M20.00 mi1.36 mi1870+691788+681788+681115(Top 4%)1069(Top 7%)1069(Top 20%)
21M21.00 mi1.00 mi1765+1051690+981690+98881(Top 3%)835(Top 6%)835(Top 16%)
35K21.75 mi0.75 mi1710+551637+531637+53889(Top 3%)846(Top 6%)846(Top 16%)
23M23.00 mi1.25 mi1603+1071533+1041533+104524(Top 2%)493(Top 3%)493(Top 9%)
24M24.00 mi1.00 mi1525+781456+771456+77585(Top 2%)555(Top 4%)555(Top 11%)
40K24.85 mi0.85 mi1468+571401+551401+55700(Top 3%)663(Top 4%)663(Top 13%)
25.2M25.20 mi0.35 mi1445+231379+221379+22561(Top 2%)529(Top 3%)529(Top 10%)
Finish26.22 mi1.02 mi1372+731307+721307+72544(Top 2%)518(Top 3%)518(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2471

Males

2370

M18-39

2370

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2716

Males

2597

M18-39

2597

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2471

Males

2370

M18-39

2370

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2041

Males

1960

M18-39

1960

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1482

Males

1418

M18-39

1418

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1797

Males

1720

M18-39

1720

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

986

Males

938

M18-39

938

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1115

Males

1069

M18-39

1069

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

881

Males

835

M18-39

835

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

889

Males

846

M18-39

846

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

524

Males

493

M18-39

493

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

585

Males

555

M18-39

555

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

700

Males

663

M18-39

663

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

561

Males

529

M18-39

529

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

544

Males

518

M18-39

518

Passing Analysis

Category:
Athletes Passed
1456
Passed By
260
Net Change
+1196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2568
5K → 10K114180-66#2568#2634
10K → 15K11946+73#2634#2561
15K → 20K1597+152#2561#2409
20K → Half522+50#2409#2359
Half → 25K1169+107#2359#2252
25K → 30K3152+313#2252#1939
30K → 20M723+69#1939#1870
20M → 21M1061+105#1870#1765
21M → 35K572+55#1765#1710
35K → 23M1081+107#1710#1603
23M → 24M780+78#1603#1525
24M → 40K603+57#1525#1468
40K → 25.2M252+23#1468#1445
25.2M → Finish752+73#1445#1372
TOTALS1456260+1196
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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