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BOSTON MARATHON 2023

Aaron Clark

Bib: 3516•M

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:08
Rank: #7009
Start → 5K
22:08 | 7:07/mi
10K· 6.21 mi
43:28
Rank: #6464 (+545)
5K → 10K
21:20 | 6:52/mi
15K· 9.32 mi
1:05:00
Rank: #6338 (+126)
10K → 15K
21:32 | 6:56/mi
20K· 12.43 mi
1:26:42
Rank: #6201 (+137)
15K → 20K
21:42 | 6:59/mi
Half· 13.11 mi
1:31:16
Rank: #6119 (+82)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:48:17
Rank: #6023 (+96)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:10:14
Rank: #5724 (+299)
25K → 30K
21:57 | 7:04/mi
20M
2:19:38
Rank: #5546 (+178)
30K → 20M
9:24 | 6:55/mi
21M
2:26:57
Rank: #5396 (+150)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:31:48
Rank: #5261 (+135)
21M → 35K
4:51 | 6:29/mi
23M
2:39:46
Rank: #4895 (+366)
35K → 23M
7:58 | 6:22/mi
24M
2:45:58
Rank: #4638 (+257)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:51:14
Rank: #4415 (+223)
24M → 40K
5:16 | 6:10/mi
25.2M
2:53:32
Rank: #4308 (+107)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:59:38
Rank: #4088 (+220)
25.2M → Finish
6:06 | 5:59/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:31:16
Pace6:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:22
Pace6:44 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3922:087:0722:08
7:07
-
10K
6.21 mi10:44:5943:287:0021:20
6:52
-0:15
15K
9.32 mi11:06:311:05:006:5821:32
6:56
+0:04
20K
12.43 mi11:28:131:26:426:5921:42
6:59
+0:03
Half
13.11 mi11:32:471:31:166:584:34
6:42
-0:17
25K
15.53 mi11:49:481:48:176:5817:01
7:01
+0:19
30K
18.64 mi12:11:452:10:146:5921:57
7:04
+0:03
20M
20.00 mi12:21:092:19:386:599:24
6:55
-0:09
21M
21.00 mi12:28:282:26:577:007:19
7:19
+0:24
35K
21.75 mi12:33:192:31:486:594:51
6:29
-0:50
23M
23.00 mi12:41:172:39:466:577:58
6:22
-0:07
24M
24.00 mi12:47:292:45:586:556:12
6:12
-0:10
40K
24.85 mi12:52:452:51:146:535:16
6:10
-0:02
25.2M
25.20 mi12:55:032:53:326:532:18
6:40
+0:30
Finish
26.22 mi13:01:092:59:386:516:06
5:59
-0:41

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

6:51 /mi

Slowest Pace

7:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:41

18% of race

Time at Steady Pace

1:35:33

53% of race

Time at Slower Pace

51:24

29% of race

Average Pace: 6:51 /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 mi10:23:3922:087:0722:08
7:07
#7009
10K
6.21 mi10:44:5943:287:0021:20
6:52
#6464
15K
9.32 mi11:06:311:05:006:5821:32
6:56
#6338
20K
12.43 mi11:28:131:26:426:5921:42
6:59
#6201
Half
13.11 mi11:32:471:31:166:584:34
6:42
#6119
25K
15.53 mi11:49:481:48:176:5817:01
7:01
#6023
30K
18.64 mi12:11:452:10:146:5921:57
7:04
#5724
20M
20.00 mi12:21:092:19:386:599:24
6:55
#5546
21M
21.00 mi12:28:282:26:577:007:19
7:19
#5396
35K
21.75 mi12:33:192:31:486:594:51
6:29
#5261
23M
23.00 mi12:41:172:39:466:577:58
6:22
#4895
24M
24.00 mi12:47:292:45:586:556:12
6:12
#4638
40K
24.85 mi12:52:452:51:146:535:16
6:10
#4415
25.2M
25.20 mi12:55:032:53:326:532:18
6:40
#4308
Finish
26.22 mi13:01:092:59:386:516:06
5:59
#4088
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7009627462746133(Top 23%)5560(Top 37%)5560(Top 105%)
10K6.21 mi3.10 mi6464+5455840+4345840+4345867(Top 22%)5353(Top 35%)5353(Top 101%)
15K9.32 mi3.11 mi6338+1265737+1035737+1036133(Top 23%)5560(Top 37%)5560(Top 105%)
20K12.43 mi3.11 mi6201+1375630+1075630+1075876(Top 22%)5372(Top 35%)5372(Top 102%)
Half13.11 mi0.68 mi6119+825567+635567+634261(Top 16%)3985(Top 26%)3985(Top 75%)
25K15.53 mi2.42 mi6023+965500+675500+675660(Top 21%)5185(Top 34%)5185(Top 98%)
30K18.64 mi3.11 mi5724+2995249+2515249+2514740(Top 18%)4374(Top 29%)4374(Top 83%)
20M20.00 mi1.36 mi5546+1785096+1535096+1533541(Top 13%)3306(Top 22%)3306(Top 63%)
21M21.00 mi1.00 mi5396+1504962+1344962+1343695(Top 14%)3426(Top 23%)3426(Top 65%)
35K21.75 mi0.75 mi5261+1354842+1204842+1202363(Top 9%)2243(Top 15%)2243(Top 42%)
23M23.00 mi1.25 mi4895+3664532+3104532+3101006(Top 4%)956(Top 6%)956(Top 18%)
24M24.00 mi1.00 mi4638+2574315+2174315+2171046(Top 4%)992(Top 7%)992(Top 19%)
40K24.85 mi0.85 mi4415+2234119+1964119+196609(Top 2%)575(Top 4%)575(Top 11%)
25.2M25.20 mi0.35 mi4308+1074022+974022+97868(Top 3%)829(Top 5%)829(Top 16%)
Finish26.22 mi1.02 mi4088+2203825+1973825+197712(Top 3%)681(Top 4%)681(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6133

Males

5560

M18-39

5560

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5867

Males

5353

M18-39

5353

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6133

Males

5560

M18-39

5560

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5876

Males

5372

M18-39

5372

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4261

Males

3985

M18-39

3985

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5660

Males

5185

M18-39

5185

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4740

Males

4374

M18-39

4374

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3541

Males

3306

M18-39

3306

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3695

Males

3426

M18-39

3426

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2363

Males

2243

M18-39

2243

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1006

Males

956

M18-39

956

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1046

Males

992

M18-39

992

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

609

Males

575

M18-39

575

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

868

Males

829

M18-39

829

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

712

Males

681

M18-39

681

Passing Analysis

Category:
Athletes Passed
3101
Passed By
180
Net Change
+2921
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7009
5K → 10K56924+545#7009#6464
10K → 15K18660+126#6464#6338
15K → 20K17437+137#6338#6201
20K → Half831+82#6201#6119
Half → 25K13135+96#6119#6023
25K → 30K31314+299#6023#5724
30K → 20M1791+178#5724#5546
20M → 21M1588+150#5546#5396
21M → 35K1350+135#5396#5261
35K → 23M3660+366#5261#4895
23M → 24M2570+257#4895#4638
24M → 40K2230+223#4638#4415
40K → 25.2M1070+107#4415#4308
25.2M → Finish2200+220#4308#4088
TOTALS3101180+2921
📊

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