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BOSTON MARATHON 2023

Marc Mason

Bib: 20311•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:00
Rank: #16635
Start → 5K
26:00 | 8:22/mi
10K· 6.21 mi
52:16
Rank: #17283 (-648)
5K → 10K
26:16 | 8:27/mi
15K· 9.32 mi
1:18:49
Rank: #17557 (-274)
10K → 15K
26:33 | 8:33/mi
20K· 12.43 mi
1:46:37
Rank: #18085 (-528)
15K → 20K
27:48 | 8:57/mi
Half· 13.11 mi
1:52:45
Rank: #18215 (-130)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:15:02
Rank: #18529 (-314)
Half → 25K
22:17 | 9:11/mi
30K· 18.64 mi
2:45:14
Rank: #18910 (-381)
25K → 30K
30:12 | 9:43/mi
20M
2:58:45
Rank: #19065 (-155)
30K → 20M
13:31 | 9:57/mi
21M
3:09:25
Rank: #19139 (-74)
20M → 21M
10:40 | 10:40/mi
35K· 21.75 mi
3:16:34
Rank: #19192 (-53)
21M → 35K
7:09 | 9:33/mi
23M
3:28:54
Rank: #19219 (-27)
35K → 23M
12:20 | 9:51/mi
24M
3:38:40
Rank: #19285 (-66)
23M → 24M
9:46 | 9:46/mi
40K· 24.85 mi
3:47:16
Rank: #19345 (-60)
24M → 40K
8:36 | 10:04/mi
25.2M
3:51:07
Rank: #19391 (-46)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:01:15
Rank: #19506 (-115)
25.2M → Finish
10:08 | 9:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:45
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:08:30
Pace9:48 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2726:008:2226:00
8:22
-
10K
6.21 mi11:44:4352:168:2526:16
8:27
+0:05
15K
9.32 mi12:11:161:18:498:2726:33
8:33
+0:06
20K
12.43 mi12:39:041:46:378:3527:48
8:57
+0:24
Half
13.11 mi12:45:121:52:458:366:08
8:59
+0:02
25K
15.53 mi13:07:292:15:028:4222:17
9:11
+0:12
30K
18.64 mi13:37:412:45:148:5230:12
9:43
+0:32
20M
20.00 mi13:51:122:58:458:5613:31
9:57
+0:14
21M
21.00 mi14:01:523:09:259:0110:40
10:40
+0:43
35K
21.75 mi14:09:013:16:349:027:09
9:33
-1:07
23M
23.00 mi14:21:213:28:549:0512:20
9:51
+0:18
24M
24.00 mi14:31:073:38:409:079:46
9:46
-0:05
40K
24.85 mi14:39:433:47:169:098:36
10:04
+0:18
25.2M
25.20 mi14:43:343:51:079:103:51
11:10
+1:06
Finish
26.22 mi14:53:424:01:159:1210:08
9:57
-1:13

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

8:22 /mi

Average Pace

9:12 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:02

56% of race

Time at Steady Pace

1:31:42

38% of race

Time at Slower Pace

14:31

6% of race

Average Pace: 9:12 /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 mi11:18:2726:008:2226:00
8:22
#16635
10K
6.21 mi11:44:4352:168:2526:16
8:27
#17283
15K
9.32 mi12:11:161:18:498:2726:33
8:33
#17557
20K
12.43 mi12:39:041:46:378:3527:48
8:57
#18085
Half
13.11 mi12:45:121:52:458:366:08
8:59
#18215
25K
15.53 mi13:07:292:15:028:4222:17
9:11
#18529
30K
18.64 mi13:37:412:45:148:5230:12
9:43
#18910
20M
20.00 mi13:51:122:58:458:5613:31
9:57
#19065
21M
21.00 mi14:01:523:09:259:0110:40
10:40
#19139
35K
21.75 mi14:09:013:16:349:027:09
9:33
#19192
23M
23.00 mi14:21:213:28:549:0512:20
9:51
#19219
24M
24.00 mi14:31:073:38:409:079:46
9:46
#19285
40K
24.85 mi14:39:433:47:169:098:36
10:04
#19345
25.2M
25.20 mi14:43:343:51:079:103:51
11:10
#19391
Finish
26.22 mi14:53:424:01:159:1210:08
9:57
#19506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16635109301093018108(Top 68%)11527(Top 76%)11527(Top 1038%)
10K6.21 mi3.10 mi17283-64811160-23011160-23017955(Top 67%)11487(Top 76%)11487(Top 1035%)
15K9.32 mi3.11 mi17557-27411291-13111291-13118108(Top 68%)11527(Top 76%)11527(Top 1038%)
20K12.43 mi3.11 mi18085-52811504-21311504-21319449(Top 73%)12077(Top 80%)12077(Top 1088%)
Half13.11 mi0.68 mi18215-13011552-4811552-4820367(Top 77%)12453(Top 82%)12453(Top 1122%)
25K15.53 mi2.42 mi18529-31411661-10911661-10919791(Top 74%)12189(Top 80%)12189(Top 1098%)
30K18.64 mi3.11 mi18910-38111805-14411805-14420195(Top 76%)12290(Top 81%)12290(Top 1107%)
20M20.00 mi1.36 mi19065-15511856-5111856-5120322(Top 76%)12259(Top 81%)12259(Top 1104%)
21M21.00 mi1.00 mi19139-7411875-1911875-1920047(Top 75%)12068(Top 80%)12068(Top 1087%)
35K21.75 mi0.75 mi19192-5311886-1111886-1120015(Top 75%)12049(Top 79%)12049(Top 1085%)
23M23.00 mi1.25 mi19219-2711895-911895-919565(Top 73%)11824(Top 78%)11824(Top 1065%)
24M24.00 mi1.00 mi19285-6611912-1711912-1720101(Top 76%)12049(Top 79%)12049(Top 1085%)
40K24.85 mi0.85 mi19345-6011927-1511927-1520115(Top 76%)11974(Top 79%)11974(Top 1079%)
25.2M25.20 mi0.35 mi19391-4611947-2011947-2020791(Top 78%)12291(Top 81%)12291(Top 1107%)
Finish26.22 mi1.02 mi19506-11511979-3211979-3221595(Top 81%)12664(Top 83%)12664(Top 1141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18108

Males

11527

M60-64

11527

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17955

Males

11487

M60-64

11487

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18108

Males

11527

M60-64

11527

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19449

Males

12077

M60-64

12077

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20367

Males

12453

M60-64

12453

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19791

Males

12189

M60-64

12189

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20195

Males

12290

M60-64

12290

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

20322

Males

12259

M60-64

12259

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

20047

Males

12068

M60-64

12068

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

20015

Males

12049

M60-64

12049

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19565

Males

11824

M60-64

11824

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20101

Males

12049

M60-64

12049

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20115

Males

11974

M60-64

11974

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20791

Males

12291

M60-64

12291

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21595

Males

12664

M60-64

12664

Passing Analysis

Category:
Athletes Passed
697
Passed By
3568
Net Change
-2871
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16635
5K → 10K108756-648#16635#17283
10K → 15K101375-274#17283#17557
15K → 20K68596-528#17557#18085
20K → Half6136-130#18085#18215
Half → 25K52366-314#18215#18529
25K → 30K77458-381#18529#18910
30K → 20M43198-155#18910#19065
20M → 21M52126-74#19065#19139
21M → 35K2376-53#19139#19192
35K → 23M7097-27#19192#19219
23M → 24M36102-66#19219#19285
24M → 40K3292-60#19285#19345
40K → 25.2M955-46#19345#19391
25.2M → Finish20135-115#19391#19506
TOTALS6973568-2871
📊

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