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BOSTON MARATHON 2023

Thomas Iredale

Bib: 23208•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:53
Rank: #18580
Start → 5K
26:53 | 8:39/mi
10K· 6.21 mi
54:05
Rank: #19123 (-543)
5K → 10K
27:12 | 8:45/mi
15K· 9.32 mi
1:21:35
Rank: #19350 (-227)
10K → 15K
27:30 | 8:51/mi
20K· 12.43 mi
1:53:10
Rank: #20806 (-1456)
15K → 20K
31:35 | 10:10/mi
Half· 13.11 mi
1:59:15
Rank: #20761 (+45)
20K → Half
6:05 | 8:55/mi
25K· 15.53 mi
2:21:46
Rank: #20669 (+92)
Half → 25K
22:31 | 9:17/mi
30K· 18.64 mi
2:52:23
Rank: #20626 (+43)
25K → 30K
30:37 | 9:51/mi
20M
3:06:02
Rank: #20618 (+8)
30K → 20M
13:39 | 10:03/mi
21M
3:16:17
Rank: #20497 (+121)
20M → 21M
10:15 | 10:15/mi
35K· 21.75 mi
3:23:41
Rank: #20513 (-16)
21M → 35K
7:24 | 9:53/mi
23M
3:36:23
Rank: #20489 (+24)
35K → 23M
12:42 | 10:09/mi
24M
3:46:08
Rank: #20464 (+25)
23M → 24M
9:45 | 9:45/mi
40K· 24.85 mi
3:54:38
Rank: #20423 (+41)
24M → 40K
8:30 | 9:56/mi
25.2M
3:58:18
Rank: #20403 (+20)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:07:52
Rank: #20370 (+33)
25.2M → Finish
9:34 | 9:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:15
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:08:37
Pace9:49 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0826:538:3926:53
8:39
-
10K
6.21 mi11:49:2054:058:4227:12
8:45
+0:06
15K
9.32 mi12:16:501:21:358:4527:30
8:51
+0:06
20K
12.43 mi12:48:251:53:109:0631:35
10:10
+1:19
Half
13.11 mi12:54:301:59:159:066:05
8:55
-1:15
25K
15.53 mi13:17:012:21:469:0822:31
9:17
+0:22
30K
18.64 mi13:47:382:52:239:1530:37
9:51
+0:34
20M
20.00 mi14:01:173:06:029:1813:39
10:03
+0:12
21M
21.00 mi14:11:323:16:179:2110:15
10:15
+0:12
35K
21.75 mi14:18:563:23:419:227:24
9:53
-0:22
23M
23.00 mi14:31:383:36:239:2412:42
10:09
+0:16
24M
24.00 mi14:41:233:46:089:259:45
9:45
-0:24
40K
24.85 mi14:49:533:54:389:268:30
9:56
+0:11
25.2M
25.20 mi14:53:333:58:189:273:40
10:38
+0:42
Finish
26.22 mi15:03:074:07:529:289:34
9:23
-1:15

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

8:39 /mi

Average Pace

9:28 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:45

48% of race

Time at Steady Pace

1:09:55

28% of race

Time at Slower Pace

58:12

23% of race

Average Pace: 9:27 /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 mi11:22:0826:538:3926:53
8:39
#18580
10K
6.21 mi11:49:2054:058:4227:12
8:45
#19123
15K
9.32 mi12:16:501:21:358:4527:30
8:51
#19350
20K
12.43 mi12:48:251:53:109:0631:35
10:10
#20806
Half
13.11 mi12:54:301:59:159:066:05
8:55
#20761
25K
15.53 mi13:17:012:21:469:0822:31
9:17
#20669
30K
18.64 mi13:47:382:52:239:1530:37
9:51
#20626
20M
20.00 mi14:01:173:06:029:1813:39
10:03
#20618
21M
21.00 mi14:11:323:16:179:2110:15
10:15
#20497
35K
21.75 mi14:18:563:23:419:227:24
9:53
#20513
23M
23.00 mi14:31:383:36:239:2412:42
10:09
#20489
24M
24.00 mi14:41:233:46:089:259:45
9:45
#20464
40K
24.85 mi14:49:533:54:389:268:30
9:56
#20423
25.2M
25.20 mi14:53:333:58:189:273:40
10:38
#20403
Finish
26.22 mi15:03:074:07:529:289:34
9:23
#20370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18580116411164119797(Top 74%)12213(Top 80%)12213(Top 2225%)
10K6.21 mi3.10 mi19123-54311873-23211873-23219702(Top 74%)12170(Top 80%)12170(Top 2217%)
15K9.32 mi3.11 mi19350-22711978-10511978-10519797(Top 74%)12213(Top 80%)12213(Top 2225%)
20K12.43 mi3.11 mi20806-145612618-64012618-64023235(Top 87%)13736(Top 91%)13736(Top 2502%)
Half13.11 mi0.68 mi20761+4512600+1812600+1820042(Top 75%)12336(Top 81%)12336(Top 2247%)
25K15.53 mi2.42 mi20669+9212567+3312567+3320156(Top 76%)12351(Top 81%)12351(Top 2250%)
30K18.64 mi3.11 mi20626+4312534+3312534+3320612(Top 77%)12475(Top 82%)12475(Top 2272%)
20M20.00 mi1.36 mi20618+812510+2412510+2420590(Top 77%)12387(Top 82%)12387(Top 2256%)
21M21.00 mi1.00 mi20497+12112446+6412446+6418878(Top 71%)11593(Top 76%)11593(Top 2112%)
35K21.75 mi0.75 mi20513-1612441+512441+520965(Top 79%)12467(Top 82%)12467(Top 2271%)
23M23.00 mi1.25 mi20489+2412421+2012421+2020413(Top 77%)12211(Top 80%)12211(Top 2224%)
24M24.00 mi1.00 mi20464+2512399+2212399+2220050(Top 75%)12028(Top 79%)12028(Top 2191%)
40K24.85 mi0.85 mi20423+4112381+1812381+1819805(Top 74%)11835(Top 78%)11835(Top 2156%)
25.2M25.20 mi0.35 mi20403+2012363+1812363+1819485(Top 73%)11693(Top 77%)11693(Top 2130%)
Finish26.22 mi1.02 mi20370+3312338+2512338+2519705(Top 74%)11846(Top 78%)11846(Top 2158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19797

Males

12213

M65-69

12213

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19702

Males

12170

M65-69

12170

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19797

Males

12213

M65-69

12213

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23235

Males

13736

M65-69

13736

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

20042

Males

12336

M65-69

12336

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20156

Males

12351

M65-69

12351

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20612

Males

12475

M65-69

12475

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20590

Males

12387

M65-69

12387

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18878

Males

11593

M65-69

11593

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

20965

Males

12467

M65-69

12467

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20413

Males

12211

M65-69

12211

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

20050

Males

12028

M65-69

12028

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19805

Males

11835

M65-69

11835

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19485

Males

11693

M65-69

11693

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19705

Males

11846

M65-69

11846

Passing Analysis

Category:
Athletes Passed
1161
Passed By
2951
Net Change
-1790
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18580
5K → 10K141684-543#18580#19123
10K → 15K100327-227#19123#19350
15K → 20K141470-1456#19350#20806
20K → Half5510+45#20806#20761
Half → 25K15260+92#20761#20669
25K → 30K170127+43#20669#20626
30K → 20M6860+8#20626#20618
20M → 21M13918+121#20618#20497
21M → 35K4056-16#20497#20513
35K → 23M7450+24#20513#20489
23M → 24M5429+25#20489#20464
24M → 40K6524+41#20464#20423
40K → 25.2M3111+20#20423#20403
25.2M → Finish5825+33#20403#20370
TOTALS11612951-1790
📊

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