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BOSTON MARATHON 2023

Lawton Ives

Bib: 807•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:14
Rank: #490
Start → 5K
18:14 | 5:52/mi
10K· 6.21 mi
36:18
Rank: #458 (+32)
5K → 10K
18:04 | 5:49/mi
15K· 9.32 mi
54:38
Rank: #469 (-11)
10K → 15K
18:20 | 5:54/mi
20K· 12.43 mi
1:13:04
Rank: #460 (+9)
15K → 20K
18:26 | 5:56/mi
Half· 13.11 mi
1:17:01
Rank: #452 (+8)
20K → Half
3:57 | 5:47/mi
25K· 15.53 mi
1:31:16
Rank: #436 (+16)
Half → 25K
14:15 | 5:53/mi
30K· 18.64 mi
1:50:15
Rank: #448 (-12)
25K → 30K
18:59 | 6:07/mi
20M
1:58:51
Rank: #465 (-17)
30K → 20M
8:36 | 6:20/mi
21M
2:05:49
Rank: #492 (-27)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:10:32
Rank: #509 (-17)
21M → 35K
4:43 | 6:18/mi
23M
2:19:11
Rank: #572 (-63)
35K → 23M
8:39 | 6:55/mi
24M
2:26:11
Rank: #637 (-65)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:32:24
Rank: #710 (-73)
24M → 40K
6:13 | 7:16/mi
25.2M
2:34:57
Rank: #723 (-13)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:41:50
Rank: #759 (-36)
25.2M → Finish
6:53 | 6:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:01
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:24:49
Pace6:28 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2618:145:5218:14
5:52
-
10K
6.21 mi10:36:3036:185:5118:04
5:49
-0:03
15K
9.32 mi10:54:5054:385:5218:20
5:54
+0:05
20K
12.43 mi11:13:161:13:045:5318:26
5:56
+0:02
Half
13.11 mi11:17:131:17:015:523:57
5:47
-0:09
25K
15.53 mi11:31:281:31:165:5314:15
5:53
+0:06
30K
18.64 mi11:50:271:50:155:5518:59
6:07
+0:14
20M
20.00 mi11:59:031:58:515:578:36
6:20
+0:13
21M
21.00 mi12:06:012:05:495:596:58
6:58
+0:38
35K
21.75 mi12:10:442:10:326:004:43
6:18
-0:40
23M
23.00 mi12:19:232:19:116:038:39
6:55
+0:37
24M
24.00 mi12:26:232:26:116:057:00
7:00
+0:05
40K
24.85 mi12:32:362:32:246:086:13
7:16
+0:16
25.2M
25.20 mi12:35:092:34:576:092:33
7:24
+0:08
Finish
26.22 mi12:42:022:41:506:116:53
6:45
-0:39

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

5:47 /mi

Average Pace

6:11 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:16

56% of race

Time at Steady Pace

32:18

20% of race

Time at Slower Pace

38:16

24% of race

Average Pace: 6:10 /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 mi10:18:2618:145:5218:14
5:52
#490
10K
6.21 mi10:36:3036:185:5118:04
5:49
#458
15K
9.32 mi10:54:5054:385:5218:20
5:54
#469
20K
12.43 mi11:13:161:13:045:5318:26
5:56
#460
Half
13.11 mi11:17:131:17:015:523:57
5:47
#452
25K
15.53 mi11:31:281:31:165:5314:15
5:53
#436
30K
18.64 mi11:50:271:50:155:5518:59
6:07
#448
20M
20.00 mi11:59:031:58:515:578:36
6:20
#465
21M
21.00 mi12:06:012:05:495:596:58
6:58
#492
35K
21.75 mi12:10:442:10:326:004:43
6:18
#509
23M
23.00 mi12:19:232:19:116:038:39
6:55
#572
24M
24.00 mi12:26:232:26:116:057:00
7:00
#637
40K
24.85 mi12:32:362:32:246:086:13
7:16
#710
25.2M
25.20 mi12:35:092:34:576:092:33
7:24
#723
Finish
26.22 mi12:42:022:41:506:116:53
6:45
#759
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi490454454518(Top 2%)476(Top 3%)476(Top 9%)
10K6.21 mi3.10 mi458+32423+31423+31451(Top 2%)416(Top 3%)416(Top 8%)
15K9.32 mi3.11 mi469-11433-10433-10518(Top 2%)476(Top 3%)476(Top 9%)
20K12.43 mi3.11 mi460+9424+9424+9476(Top 2%)437(Top 3%)437(Top 8%)
Half13.11 mi0.68 mi452+8416+8416+8395(Top 1%)366(Top 2%)366(Top 7%)
25K15.53 mi2.42 mi436+16401+15401+15365(Top 1%)337(Top 2%)337(Top 6%)
30K18.64 mi3.11 mi448-12411-10411-10526(Top 2%)493(Top 3%)493(Top 9%)
20M20.00 mi1.36 mi465-17430-19430-19927(Top 3%)884(Top 6%)884(Top 17%)
21M21.00 mi1.00 mi492-27454-24454-241961(Top 7%)1856(Top 12%)1856(Top 35%)
35K21.75 mi0.75 mi509-17471-17471-171557(Top 6%)1477(Top 10%)1477(Top 28%)
23M23.00 mi1.25 mi572-63533-62533-623235(Top 12%)3004(Top 20%)3004(Top 57%)
24M24.00 mi1.00 mi637-65597-64597-644639(Top 17%)4153(Top 27%)4153(Top 79%)
40K24.85 mi0.85 mi710-73668-71668-715213(Top 20%)4474(Top 29%)4474(Top 85%)
25.2M25.20 mi0.35 mi723-13681-13681-133292(Top 12%)2975(Top 20%)2975(Top 56%)
Finish26.22 mi1.02 mi759-36716-35716-353780(Top 14%)3352(Top 22%)3352(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

518

Males

476

M18-39

476

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

451

Males

416

M18-39

416

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

518

Males

476

M18-39

476

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

476

Males

437

M18-39

437

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

395

Males

366

M18-39

366

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

365

Males

337

M18-39

337

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

526

Males

493

M18-39

493

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

927

Males

884

M18-39

884

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1961

Males

1856

M18-39

1856

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1557

Males

1477

M18-39

1477

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3235

Males

3004

M18-39

3004

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4639

Males

4153

M18-39

4153

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5213

Males

4474

M18-39

4474

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3292

Males

2975

M18-39

2975

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3780

Males

3352

M18-39

3352

Passing Analysis

Category:
Athletes Passed
143
Passed By
412
Net Change
-269
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#490
5K → 10K4311+32#490#458
10K → 15K1526-11#458#469
15K → 20K1910+9#469#460
20K → Half91+8#460#452
Half → 25K171+16#452#436
25K → 30K2032-12#436#448
30K → 20M522-17#448#465
20M → 21M128-27#465#492
21M → 35K118-17#492#509
35K → 23M366-63#509#572
23M → 24M166-65#572#637
24M → 40K174-73#637#710
40K → 25.2M316-13#710#723
25.2M → Finish541-36#723#759
TOTALS143412-269
📊

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