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BOSTON MARATHON 2023

Michael Irons

Bib: 8502•M

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
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
20:54
Rank: #3911
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:24
Rank: #3644 (+267)
5K → 10K
20:30 | 6:36/mi
15K· 9.32 mi
1:01:50
Rank: #3441 (+203)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:23:00
Rank: #3685 (-244)
15K → 20K
21:10 | 6:49/mi
Half· 13.11 mi
1:27:28
Rank: #3641 (+44)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:43:58
Rank: #3714 (-73)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:05:58
Rank: #3928 (-214)
25K → 30K
22:00 | 7:05/mi
20M
2:15:58
Rank: #4146 (-218)
30K → 20M
10:00 | 7:22/mi
21M
2:23:50
Rank: #4307 (-161)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:29:18
Rank: #4445 (-138)
21M → 35K
5:28 | 7:18/mi
23M
2:38:43
Rank: #4597 (-152)
35K → 23M
9:25 | 7:31/mi
24M
2:46:15
Rank: #4726 (-129)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
2:53:28
Rank: #4956 (-230)
24M → 40K
7:13 | 8:26/mi
25.2M
2:56:41
Rank: #5043 (-87)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:04:31
Rank: #5155 (-112)
25.2M → Finish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:28
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:37:03
Pace7:24 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2120:546:4420:54
6:44
-
10K
6.21 mi11:06:5141:246:4020:30
6:36
-0:08
15K
9.32 mi11:27:171:01:506:3820:26
6:35
-0:01
20K
12.43 mi11:48:271:23:006:4121:10
6:49
+0:14
Half
13.11 mi11:52:551:27:286:404:28
6:33
-0:16
25K
15.53 mi12:09:251:43:586:4216:30
6:48
+0:15
30K
18.64 mi12:31:252:05:586:4522:00
7:05
+0:17
20M
20.00 mi12:41:252:15:586:4810:00
7:22
+0:17
21M
21.00 mi12:49:172:23:506:517:52
7:52
+0:30
35K
21.75 mi12:54:452:29:186:525:28
7:18
-0:34
23M
23.00 mi13:04:102:38:436:549:25
7:31
+0:13
24M
24.00 mi13:11:422:46:156:567:32
7:32
+0:01
40K
24.85 mi13:18:552:53:286:597:13
8:26
+0:54
25.2M
25.20 mi13:22:082:56:417:013:13
9:20
+0:54
Finish
26.22 mi13:29:583:04:317:037:50
7:41
-1:39

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

6:33 /mi

Average Pace

7:03 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:58

56% of race

Time at Steady Pace

54:25

29% of race

Time at Slower Pace

26:08

14% of race

Average Pace: 7:02 /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 mi10:46:2120:546:4420:54
6:44
#3911
10K
6.21 mi11:06:5141:246:4020:30
6:36
#3644
15K
9.32 mi11:27:171:01:506:3820:26
6:35
#3441
20K
12.43 mi11:48:271:23:006:4121:10
6:49
#3685
Half
13.11 mi11:52:551:27:286:404:28
6:33
#3641
25K
15.53 mi12:09:251:43:586:4216:30
6:48
#3714
30K
18.64 mi12:31:252:05:586:4522:00
7:05
#3928
20M
20.00 mi12:41:252:15:586:4810:00
7:22
#4146
21M
21.00 mi12:49:172:23:506:517:52
7:52
#4307
35K
21.75 mi12:54:452:29:186:525:28
7:18
#4445
23M
23.00 mi13:04:102:38:436:549:25
7:31
#4597
24M
24.00 mi13:11:422:46:156:567:32
7:32
#4726
40K
24.85 mi13:18:552:53:286:597:13
8:26
#4956
25.2M
25.20 mi13:22:082:56:417:013:13
9:20
#5043
Finish
26.22 mi13:29:583:04:317:037:50
7:41
#5155
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3911367236723120(Top 12%)2974(Top 20%)2974(Top 56%)
10K6.21 mi3.10 mi3644+2673438+2343438+2343497(Top 13%)3313(Top 22%)3313(Top 63%)
15K9.32 mi3.11 mi3441+2033260+1783260+1783120(Top 12%)2974(Top 20%)2974(Top 56%)
20K12.43 mi3.11 mi3685-2443487-2273487-2274558(Top 17%)4247(Top 28%)4247(Top 80%)
Half13.11 mi0.68 mi3641+443446+413446+413125(Top 12%)2990(Top 20%)2990(Top 57%)
25K15.53 mi2.42 mi3714-733511-653511-654217(Top 16%)3948(Top 26%)3948(Top 75%)
30K18.64 mi3.11 mi3928-2143702-1913702-1914830(Top 18%)4452(Top 29%)4452(Top 84%)
20M20.00 mi1.36 mi4146-2183891-1893891-1895941(Top 22%)5241(Top 35%)5241(Top 99%)
21M21.00 mi1.00 mi4307-1614027-1364027-1366506(Top 24%)5544(Top 37%)5544(Top 105%)
35K21.75 mi0.75 mi4445-1384146-1194146-1197113(Top 27%)5953(Top 39%)5953(Top 113%)
23M23.00 mi1.25 mi4597-1524278-1324278-1326515(Top 24%)5511(Top 36%)5511(Top 104%)
24M24.00 mi1.00 mi4726-1294390-1124390-1127876(Top 30%)6224(Top 41%)6224(Top 118%)
40K24.85 mi0.85 mi4956-2304566-1764566-17612912(Top 49%)8718(Top 57%)8718(Top 165%)
25.2M25.20 mi0.35 mi5043-874638-724638-7214211(Top 53%)9304(Top 61%)9304(Top 176%)
Finish26.22 mi1.02 mi5155-1124722-844722-849846(Top 37%)7191(Top 47%)7191(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3120

Males

2974

M18-39

2974

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3497

Males

3313

M18-39

3313

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3120

Males

2974

M18-39

2974

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4558

Males

4247

M18-39

4247

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3125

Males

2990

M18-39

2990

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4217

Males

3948

M18-39

3948

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4830

Males

4452

M18-39

4452

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5941

Males

5241

M18-39

5241

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6506

Males

5544

M18-39

5544

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7113

Males

5953

M18-39

5953

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6515

Males

5511

M18-39

5511

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7876

Males

6224

M18-39

6224

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12912

Males

8718

M18-39

8718

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14211

Males

9304

M18-39

9304

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9846

Males

7191

M18-39

7191

Passing Analysis

Category:
Athletes Passed
931
Passed By
2175
Net Change
-1244
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3911
5K → 10K375108+267#3911#3644
10K → 15K22522+203#3644#3441
15K → 20K29273-244#3441#3685
20K → Half473+44#3685#3641
Half → 25K59132-73#3641#3714
25K → 30K49263-214#3714#3928
30K → 20M16234-218#3928#4146
20M → 21M35196-161#4146#4307
21M → 35K18156-138#4307#4445
35K → 23M31183-152#4445#4597
23M → 24M19148-129#4597#4726
24M → 40K9239-230#4726#4956
40K → 25.2M188-87#4956#5043
25.2M → Finish18130-112#5043#5155
TOTALS9312175-1244
📊

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