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BOSTON MARATHON 2023

Mason Eardley

Bib: 2732•M

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
19:48
Rank: #1712
Start → 5K
6:22/mi
19:48 split
10K· 6.21 mi
39:17
Rank: #1659 (+53)
5K → 10K
6:16/mi
19:29 split
15K· 9.32 mi
58:52
Rank: #1659
10K → 15K
6:18/mi
19:35 split
20K· 12.43 mi
1:18:45
Rank: #1685 (-26)
15K → 20K
6:24/mi
19:53 split
Half· 13.11 mi
1:23:02
Rank: #1682 (+3)
20K → Half
6:17/mi
4:17 split
25K· 15.53 mi
1:38:32
Rank: #1672 (+10)
Half → 25K
6:24/mi
15:30 split
30K· 18.64 mi
2:00:17
Rank: #1982 (-310)
25K → 30K
7:00/mi
21:45 split
20M
2:10:53
Rank: #2357 (-375)
30K → 20M
7:48/mi
10:36 split
21M
2:20:18
Rank: #2962 (-605)
20M → 21M
9:25/mi
9:25 split
35K· 21.75 mi
2:28:20
Rank: #4057 (-1095)
21M → 35K
10:44/mi
8:02 split
23M
3:02:51
Rank: #12049 (-7992)
35K → 23M
27:34/mi
34:31 split
24M
3:23:38
Rank: #15778 (-3729)
23M → 24M
20:47/mi
20:47 split
40K· 24.85 mi
3:33:38
Rank: #16354 (-576)
24M → 40K
11:42/mi
10:00 split
25.2M
3:36:41
Rank: #16267 (+87)
40K → 25.2M
8:51/mi
3:03 split
Finish· 26.22 mi
3:43:40
Rank: #15844 (+423)
25.2M → Finish
6:51/mi
6:59 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:02
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time2:20:38
Pace10:44 /mi
📊Positive Split: 69.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5319:486:2219:48
6:22
-
10K
6.21 mi10:40:2239:176:1919:29
6:16
-0:06
15K
9.32 mi10:59:5758:526:1919:35
6:18
+0:02
20K
12.43 mi11:19:501:18:456:2019:53
6:24
+0:06
Half
13.11 mi11:24:071:23:026:204:17
6:17
-0:07
25K
15.53 mi11:39:371:38:326:2115:30
6:24
+0:07
30K
18.64 mi12:01:222:00:176:2721:45
7:00
+0:36
20M
20.00 mi12:11:582:10:536:3310:36
7:48
+0:48
21M
21.00 mi12:21:232:20:186:419:25
9:25
+1:37
35K
21.75 mi12:29:252:28:206:498:02
10:44
+1:19
23M
23.00 mi13:03:563:02:517:5734:31
27:34
+16:50
24M
24.00 mi13:24:433:23:388:2920:47
20:47
-6:47
40K
24.85 mi13:34:433:33:388:3610:00
11:42
-9:05
25.2M
25.20 mi13:37:463:36:418:363:03
8:51
-2:51
Finish
26.22 mi13:44:453:43:408:326:59
6:51
-2:00

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

6:16 /mi

Average Pace

8:32 /mi

Slowest Pace

27:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:30:20

67% of race

Time at Slower Pace

1:13:20

33% of race

Average Pace: 8:32 /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 mi10:20:5319:486:2219:48
6:22
#1712
10K
6.21 mi10:40:2239:176:1919:29
6:16
#1659
15K
9.32 mi10:59:5758:526:1919:35
6:18
#1659
20K
12.43 mi11:19:501:18:456:2019:53
6:24
#1685
Half
13.11 mi11:24:071:23:026:204:17
6:17
#1682
25K
15.53 mi11:39:371:38:326:2115:30
6:24
#1672
30K
18.64 mi12:01:222:00:176:2721:45
7:00
#1982
20M
20.00 mi12:11:582:10:536:3310:36
7:48
#2357
21M
21.00 mi12:21:232:20:186:419:25
9:25
#2962
35K
21.75 mi12:29:252:28:206:498:02
10:44
#4057
23M
23.00 mi13:03:563:02:517:5734:31
27:34
#12049
24M
24.00 mi13:24:433:23:388:2920:47
20:47
#15778
40K
24.85 mi13:34:433:33:388:3610:00
11:42
#16354
25.2M
25.20 mi13:37:463:36:418:363:03
8:51
#16267
Finish
26.22 mi13:44:453:43:408:326:59
6:51
#15844
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1712163216321676(Top 6%)1602(Top 11%)1602(Top 30%)
10K6.21 mi3.10 mi1659+531584+481584+481652(Top 6%)1578(Top 10%)1578(Top 30%)
15K9.32 mi3.11 mi16591586-21586-21676(Top 6%)1602(Top 11%)1602(Top 30%)
20K12.43 mi3.11 mi1685-261613-271613-271807(Top 7%)1730(Top 11%)1730(Top 33%)
Half13.11 mi0.68 mi1682+31610+31610+31745(Top 7%)1675(Top 11%)1675(Top 32%)
25K15.53 mi2.42 mi1672+101600+101600+101701(Top 6%)1629(Top 11%)1629(Top 31%)
30K18.64 mi3.11 mi1982-3101899-2991899-2994354(Top 16%)4046(Top 27%)4046(Top 77%)
20M20.00 mi1.36 mi2357-3752258-3592258-3598864(Top 33%)7123(Top 47%)7123(Top 135%)
21M21.00 mi1.00 mi2962-6052823-5652823-56515544(Top 58%)10153(Top 67%)10153(Top 192%)
35K21.75 mi0.75 mi4057-10953807-9843807-98422795(Top 86%)13288(Top 88%)13288(Top 251%)
23M23.00 mi1.25 mi12049-79928948-51418948-514126619(Top 100%)15176(Top 100%)15176(Top 287%)
24M24.00 mi1.00 mi15778-372910410-146210410-146226614(Top 100%)15172(Top 100%)15172(Top 287%)
40K24.85 mi0.85 mi16354-57610645-23510645-23523488(Top 88%)13531(Top 89%)13531(Top 256%)
25.2M25.20 mi0.35 mi16267+8710605+4010605+4011571(Top 43%)8085(Top 53%)8085(Top 153%)
Finish26.22 mi1.02 mi15844+42310422+18310422+1834383(Top 16%)3841(Top 25%)3841(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1676

Males

1602

M18-39

1602

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1652

Males

1578

M18-39

1578

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1676

Males

1602

M18-39

1602

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1807

Males

1730

M18-39

1730

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1745

Males

1675

M18-39

1675

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1701

Males

1629

M18-39

1629

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4354

Males

4046

M18-39

4046

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8864

Males

7123

M18-39

7123

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15544

Males

10153

M18-39

10153

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22795

Males

13288

M18-39

13288

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

26619

Males

15176

M18-39

15176

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

26614

Males

15172

M18-39

15172

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23488

Males

13531

M18-39

13531

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11571

Males

8085

M18-39

8085

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4383

Males

3841

M18-39

3841

Passing Analysis

Category:
Athletes Passed
805
Passed By
14935
Net Change
-14132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1712
5K → 10K11865+53#1712#1659
10K → 15K57570#1659#1659
15K → 20K4268-26#1659#1685
20K → Half85+3#1685#1682
Half → 25K4232+10#1682#1672
25K → 30K11321-310#1672#1982
30K → 20M5380-375#1982#2357
20M → 21M0605-605#2357#2962
21M → 35K01095-1095#2962#4057
35K → 23M07990-7992#4057#12049
23M → 24M03729-3729#12049#15778
24M → 40K7583-576#15778#16354
40K → 25.2M925+87#16354#16267
25.2M → Finish4230+423#16267#15844
TOTALS80514935-14132
📊

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