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BOSTON MARATHON 2023

Eliot Laidlaw

Bib: 1227•M

RI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Division (M18-39)
#0 / 5285
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #3276
Start → 5K
6:39/mi
20:41 split
10K· 6.21 mi
41:10
Rank: #3338 (-62)
5K → 10K
6:36/mi
20:29 split
15K· 9.32 mi
1:01:41
Rank: #3326 (+12)
10K → 15K
6:36/mi
20:31 split
20K· 12.43 mi
1:22:07
Rank: #3129 (+197)
15K → 20K
6:35/mi
20:26 split
Half· 13.11 mi
1:26:33
Rank: #3099 (+30)
20K → Half
6:30/mi
4:26 split
25K· 15.53 mi
1:42:26
Rank: #2942 (+157)
Half → 25K
6:33/mi
15:53 split
30K· 18.64 mi
2:02:57
Rank: #2721 (+221)
25K → 30K
6:36/mi
20:31 split
20M
2:11:49
Rank: #2595 (+126)
30K → 20M
6:31/mi
8:52 split
21M
2:18:23
Rank: #2427 (+168)
20M → 21M
6:34/mi
6:34 split
35K· 21.75 mi
2:23:01
Rank: #2359 (+68)
21M → 35K
6:12/mi
4:38 split
23M
2:31:11
Rank: #2283 (+76)
35K → 23M
6:31/mi
8:10 split
24M
2:37:25
Rank: #2203 (+80)
23M → 24M
6:14/mi
6:14 split
40K· 24.85 mi
2:42:35
Rank: #2088 (+115)
24M → 40K
6:03/mi
5:10 split
25.2M
2:44:40
Rank: #2003 (+85)
40K → 25.2M
6:03/mi
2:05 split
Finish· 26.22 mi
2:50:22
Rank: #1830 (+173)
25.2M → Finish
5:36/mi
5:42 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:33
Pace6:36 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:23:49
Pace6:24 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1520:416:3920:41
6:39
-
10K
6.21 mi10:41:4441:106:3820:29
6:36
-0:03
15K
9.32 mi11:02:151:01:416:3720:31
6:36
0:00
20K
12.43 mi11:22:411:22:076:3620:26
6:35
-0:01
Half
13.11 mi11:27:071:26:336:364:26
6:30
-0:05
25K
15.53 mi11:43:001:42:266:3615:53
6:33
+0:03
30K
18.64 mi12:03:312:02:576:3620:31
6:36
+0:03
20M
20.00 mi12:12:232:11:496:358:52
6:31
-0:05
21M
21.00 mi12:18:572:18:236:356:34
6:34
+0:03
35K
21.75 mi12:23:352:23:016:354:38
6:12
-0:22
23M
23.00 mi12:31:452:31:116:348:10
6:31
+0:19
24M
24.00 mi12:37:592:37:256:346:14
6:14
-0:17
40K
24.85 mi12:43:092:42:356:325:10
6:03
-0:11
25.2M
25.20 mi12:45:142:44:406:322:05
6:03
0:00
Finish
26.22 mi12:50:562:50:226:305:42
5:36
-0:27

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

5:36 /mi

Average Pace

6:30 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:57

8% of race

Time at Steady Pace

2:16:44

80% of race

Time at Slower Pace

20:41

12% of race

Average Pace: 6:30 /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 mi10:21:1520:416:3920:41
6:39
#3276
10K
6.21 mi10:41:4441:106:3820:29
6:36
#3338
15K
9.32 mi11:02:151:01:416:3720:31
6:36
#3326
20K
12.43 mi11:22:411:22:076:3620:26
6:35
#3129
Half
13.11 mi11:27:071:26:336:364:26
6:30
#3099
25K
15.53 mi11:43:001:42:266:3615:53
6:33
#2942
30K
18.64 mi12:03:312:02:576:3620:31
6:36
#2721
20M
20.00 mi12:12:232:11:496:358:52
6:31
#2595
21M
21.00 mi12:18:572:18:236:356:34
6:34
#2427
35K
21.75 mi12:23:352:23:016:354:38
6:12
#2359
23M
23.00 mi12:31:452:31:116:348:10
6:31
#2283
24M
24.00 mi12:37:592:37:256:346:14
6:14
#2203
40K
24.85 mi12:43:092:42:356:325:10
6:03
#2088
25.2M
25.20 mi12:45:142:44:406:322:05
6:03
#2003
Finish
26.22 mi12:50:562:50:226:305:42
5:36
#1830
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3276309430943300(Top 12%)3130(Top 21%)3130(Top 59%)
10K6.21 mi3.10 mi3338-623160-663160-663430(Top 13%)3253(Top 21%)3253(Top 62%)
15K9.32 mi3.11 mi3326+123155+53155+53300(Top 12%)3130(Top 21%)3130(Top 59%)
20K12.43 mi3.11 mi3129+1972979+1762979+1762685(Top 10%)2567(Top 17%)2567(Top 49%)
Half13.11 mi0.68 mi3099+302953+262953+262718(Top 10%)2602(Top 17%)2602(Top 49%)
25K15.53 mi2.42 mi2942+1572810+1432810+1432412(Top 9%)2308(Top 15%)2308(Top 44%)
30K18.64 mi3.11 mi2721+2212600+2102600+2101960(Top 7%)1873(Top 12%)1873(Top 35%)
20M20.00 mi1.36 mi2595+1262479+1212479+1211546(Top 6%)1474(Top 10%)1474(Top 28%)
21M21.00 mi1.00 mi2427+1682325+1542325+154805(Top 3%)762(Top 5%)762(Top 14%)
35K21.75 mi0.75 mi2359+682260+652260+651240(Top 5%)1183(Top 8%)1183(Top 22%)
23M23.00 mi1.25 mi2283+762187+732187+731513(Top 6%)1438(Top 9%)1438(Top 27%)
24M24.00 mi1.00 mi2203+802113+742113+741137(Top 4%)1078(Top 7%)1078(Top 20%)
40K24.85 mi0.85 mi2088+1152002+1112002+111383(Top 1%)358(Top 2%)358(Top 7%)
25.2M25.20 mi0.35 mi2003+851919+831919+8398(Top 0.4%)85(Top 0.6%)85(Top 2%)
Finish26.22 mi1.02 mi1830+1731748+1711748+171152(Top 0.6%)137(Top 0.9%)137(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3300

Males

3130

M18-39

3130

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3430

Males

3253

M18-39

3253

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3300

Males

3130

M18-39

3130

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2685

Males

2567

M18-39

2567

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2718

Males

2602

M18-39

2602

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2412

Males

2308

M18-39

2308

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1960

Males

1873

M18-39

1873

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1546

Males

1474

M18-39

1474

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

805

Males

762

M18-39

762

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1240

Males

1183

M18-39

1183

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1513

Males

1438

M18-39

1438

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1137

Males

1078

M18-39

1078

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

383

Males

358

M18-39

358

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
×1story
+13ft-16ft

Overall

98

Males

85

M18-39

85

25.2M→Finish

25.2 - 26.2 mi

Top 0.6%
×2stories
+22ft-21ft

Overall

152

Males

137

M18-39

137

Passing Analysis

Category:
Athletes Passed
1789
Passed By
343
Net Change
+1446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3276
5K → 10K146208-62#3276#3338
10K → 15K10189+12#3338#3326
15K → 20K21215+197#3326#3129
20K → Half355+30#3129#3099
Half → 25K1647+157#3099#2942
25K → 30K2298+221#2942#2721
30K → 20M1271+126#2721#2595
20M → 21M1680+168#2595#2427
21M → 35K691+68#2427#2359
35K → 23M793+76#2359#2283
23M → 24M866+80#2283#2203
24M → 40K1150+115#2203#2088
40K → 25.2M850+85#2088#2003
25.2M → Finish1730+173#2003#1830
TOTALS1789343+1446
📊

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