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BOSTON MARATHON 2023

Ian Read

Bib: 10290•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 46%
Division (M50-54)
#0 / 2052
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:52
Rank: #8511
Start → 5K
22:52 | 7:22/mi
10K· 6.21 mi
45:19
Rank: #8397 (+114)
5K → 10K
22:27 | 7:14/mi
15K· 9.32 mi
1:11:30
Rank: #11538 (-3141)
10K → 15K
26:11 | 8:26/mi
20K· 12.43 mi
1:34:43
Rank: #10887 (+651)
15K → 20K
23:13 | 7:28/mi
Half· 13.11 mi
1:39:44
Rank: #10784 (+103)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:58:29
Rank: #10711 (+73)
Half → 25K
18:45 | 7:44/mi
30K· 18.64 mi
2:23:42
Rank: #10845 (-134)
25K → 30K
25:13 | 8:07/mi
20M
2:34:51
Rank: #10867 (-22)
30K → 20M
11:09 | 8:12/mi
21M
2:43:42
Rank: #10963 (-96)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:49:15
Rank: #10832 (+131)
21M → 35K
5:33 | 7:25/mi
23M
2:59:40
Rank: #10886 (-54)
35K → 23M
10:25 | 8:19/mi
24M
3:07:50
Rank: #10942 (-56)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:14:53
Rank: #10972 (-30)
24M → 40K
7:03 | 8:15/mi
25.2M
3:18:09
Rank: #11034 (-62)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:26:12
Rank: #11036 (-2)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:44
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:46:28
Pace8:07 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2322:527:2222:52
7:22
-
10K
6.21 mi11:11:5045:197:1822:27
7:14
-0:08
15K
9.32 mi11:38:011:11:307:4026:11
8:26
+1:12
20K
12.43 mi12:01:141:34:437:3723:13
7:28
-0:58
Half
13.11 mi12:06:151:39:447:365:01
7:21
-0:07
25K
15.53 mi12:25:001:58:297:3818:45
7:44
+0:23
30K
18.64 mi12:50:132:23:427:4325:13
8:07
+0:23
20M
20.00 mi13:01:222:34:517:4511:09
8:12
+0:05
21M
21.00 mi13:10:132:43:427:488:51
8:51
+0:39
35K
21.75 mi13:15:462:49:157:475:33
7:25
-1:26
23M
23.00 mi13:26:112:59:407:4910:25
8:19
+0:54
24M
24.00 mi13:34:213:07:507:508:10
8:10
-0:09
40K
24.85 mi13:41:243:14:537:507:03
8:15
+0:05
25.2M
25.20 mi13:44:403:18:097:523:16
9:28
+1:13
Finish
26.22 mi13:52:433:26:127:528:03
7:54
-1:34

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

7:14 /mi

Average Pace

7:52 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:51

47% of race

Time at Steady Pace

1:10:03

34% of race

Time at Slower Pace

38:18

19% of race

Average Pace: 7:52 /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 mi10:49:2322:527:2222:52
7:22
#8511
10K
6.21 mi11:11:5045:197:1822:27
7:14
#8397
15K
9.32 mi11:38:011:11:307:4026:11
8:26
#11538
20K
12.43 mi12:01:141:34:437:3723:13
7:28
#10887
Half
13.11 mi12:06:151:39:447:365:01
7:21
#10784
25K
15.53 mi12:25:001:58:297:3818:45
7:44
#10711
30K
18.64 mi12:50:132:23:427:4325:13
8:07
#10845
20M
20.00 mi13:01:222:34:517:4511:09
8:12
#10867
21M
21.00 mi13:10:132:43:427:488:51
8:51
#10963
35K
21.75 mi13:15:462:49:157:475:33
7:25
#10832
23M
23.00 mi13:26:112:59:407:4910:25
8:19
#10886
24M
24.00 mi13:34:213:07:507:508:10
8:10
#10942
40K
24.85 mi13:41:243:14:537:507:03
8:15
#10972
25.2M
25.20 mi13:44:403:18:097:523:16
9:28
#11034
Finish
26.22 mi13:52:433:26:127:528:03
7:54
#11036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi85117311731117303(Top 65%)11172(Top 74%)11172(Top 544%)
10K6.21 mi3.10 mi8397+1147211+1007211+1008302(Top 31%)7150(Top 47%)7150(Top 348%)
15K9.32 mi3.11 mi11538-31418895-16848895-168417303(Top 65%)11172(Top 74%)11172(Top 544%)
20K12.43 mi3.11 mi10887+6518589+3068589+3069104(Top 34%)7562(Top 50%)7562(Top 369%)
Half13.11 mi0.68 mi10784+1038534+558534+559031(Top 34%)7547(Top 50%)7547(Top 368%)
25K15.53 mi2.42 mi10711+738491+438491+4310553(Top 40%)8281(Top 55%)8281(Top 404%)
30K18.64 mi3.11 mi10845-1348507-168507-1611751(Top 44%)8692(Top 57%)8692(Top 424%)
20M20.00 mi1.36 mi10867-228488+198488+1911717(Top 44%)8580(Top 57%)8580(Top 418%)
21M21.00 mi1.00 mi10963-968505-178505-1712520(Top 47%)8804(Top 58%)8804(Top 429%)
35K21.75 mi0.75 mi10832+1318427+788427+787946(Top 30%)6481(Top 43%)6481(Top 316%)
23M23.00 mi1.25 mi10886-548428-18428-112009(Top 45%)8469(Top 56%)8469(Top 413%)
24M24.00 mi1.00 mi10942-568432-48432-412341(Top 46%)8552(Top 56%)8552(Top 417%)
40K24.85 mi0.85 mi10972-308419+138419+1311636(Top 44%)8138(Top 54%)8138(Top 397%)
25.2M25.20 mi0.35 mi11034-628435-168435-1614976(Top 56%)9652(Top 64%)9652(Top 470%)
Finish26.22 mi1.02 mi11036-28408+278408+2711370(Top 43%)7972(Top 53%)7972(Top 388%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17303

Males

11172

M50-54

11172

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8302

Males

7150

M50-54

7150

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17303

Males

11172

M50-54

11172

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9104

Males

7562

M50-54

7562

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9031

Males

7547

M50-54

7547

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10553

Males

8281

M50-54

8281

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11751

Males

8692

M50-54

8692

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11717

Males

8580

M50-54

8580

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12520

Males

8804

M50-54

8804

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7946

Males

6481

M50-54

6481

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12009

Males

8469

M50-54

8469

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12341

Males

8552

M50-54

8552

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11636

Males

8138

M50-54

8138

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14976

Males

9652

M50-54

9652

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11370

Males

7972

M50-54

7972

Passing Analysis

Category:
Athletes Passed
1878*
Passed By
4401
Net Change
-2525
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8511
5K → 10K292178+114#8511#8397
10K → 15K03139-3141#8397#11538
15K → 20K6565+651#11538#10887
20K → Half1085+103#10887#10784
Half → 25K15986+73#10784#10711
25K → 30K148282-134#10711#10845
30K → 20M74*96-22#10845#10867
20M → 21M43139-96#10867#10963
21M → 35K1376+131#10963#10832
35K → 23M64118-54#10832#10886
23M → 24M52108-56#10886#10942
24M → 40K5181-30#10942#10972
40K → 25.2M2183-62#10972#11034
25.2M → Finish7375-2#11034#11036
TOTALS1878*4401-2525

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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