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BOSTON MARATHON 2023

Marc Steir

Bib: 30751•M

MA

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
32:04
Rank: #24271
Start → 5K
32:04 | 10:19/mi
10K· 6.21 mi
1:04:30
Rank: #24449 (-178)
5K → 10K
32:26 | 10:26/mi
15K· 9.32 mi
1:38:46
Rank: #24801 (-352)
10K → 15K
34:16 | 11:02/mi
20K· 12.43 mi
2:17:53
Rank: #25352 (-551)
15K → 20K
39:07 | 12:35/mi
Half· 13.11 mi
2:26:08
Rank: #25406 (-54)
20K → Half
8:15 | 12:06/mi
25K· 15.53 mi
2:59:45
Rank: #25667 (-261)
Half → 25K
33:37 | 13:52/mi
30K· 18.64 mi
3:42:57
Rank: #25759 (-92)
25K → 30K
43:12 | 13:54/mi
20M
4:04:11
Rank: #25853 (-94)
30K → 20M
21:14 | 15:37/mi
21M
4:23:31
Rank: #26008 (-155)
20M → 21M
19:20 | 19:20/mi
35K· 21.75 mi
4:34:02
Rank: #26019 (-11)
21M → 35K
10:31 | 14:03/mi
23M
4:52:51
Rank: #26062 (-43)
35K → 23M
18:49 | 15:02/mi
24M
5:07:17
Rank: #26091 (-29)
23M → 24M
14:26 | 14:26/mi
40K· 24.85 mi
5:20:35
Rank: #26116 (-25)
24M → 40K
13:18 | 15:33/mi
25.2M
5:26:13
Rank: #26123 (-7)
40K → 25.2M
5:38 | 16:20/mi
Finish· 26.22 mi
5:39:58
Rank: #26131 (-8)
25.2M → Finish
13:45 | 13:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:08
Pace11:09 /mi
2nd Half
Distance13.11 mi
Time3:13:50
Pace14:47 /mi
📊Positive Split: 32.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4032:0410:1932:04
10:19
-
10K
6.21 mi12:20:061:04:3010:2332:26
10:26
+0:07
15K
9.32 mi12:54:221:38:4610:3634:16
11:02
+0:36
20K
12.43 mi13:33:292:17:5311:0639:07
12:35
+1:33
Half
13.11 mi13:41:442:26:0811:098:15
12:06
-0:29
25K
15.53 mi14:15:212:59:4511:3433:37
13:52
+1:46
30K
18.64 mi14:58:333:42:5711:5843:12
13:54
+0:02
20M
20.00 mi15:19:474:04:1112:1321:14
15:37
+1:43
21M
21.00 mi15:39:074:23:3112:3319:20
19:20
+3:43
35K
21.75 mi15:49:384:34:0212:3610:31
14:03
-5:17
23M
23.00 mi16:08:274:52:5112:4418:49
15:02
+0:59
24M
24.00 mi16:22:535:07:1712:4814:26
14:26
-0:36
40K
24.85 mi16:36:115:20:3512:5413:18
15:33
+1:07
25.2M
25.20 mi16:41:495:26:1312:575:38
16:20
+0:47
Finish
26.22 mi16:55:345:39:5812:5913:45
13:30
-2:50

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

10:19 /mi

Average Pace

12:59 /mi

Slowest Pace

19:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:08

43% of race

Time at Steady Pace

2:14:20

40% of race

Time at Slower Pace

59:30

18% of race

Average Pace: 12:58 /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 mi11:47:4032:0410:1932:04
10:19
#24271
10K
6.21 mi12:20:061:04:3010:2332:26
10:26
#24449
15K
9.32 mi12:54:221:38:4610:3634:16
11:02
#24801
20K
12.43 mi13:33:292:17:5311:0639:07
12:35
#25352
Half
13.11 mi13:41:442:26:0811:098:15
12:06
#25406
25K
15.53 mi14:15:212:59:4511:3433:37
13:52
#25667
30K
18.64 mi14:58:333:42:5711:5843:12
13:54
#25759
20M
20.00 mi15:19:474:04:1112:1321:14
15:37
#25853
21M
21.00 mi15:39:074:23:3112:3319:20
19:20
#26008
35K
21.75 mi15:49:384:34:0212:3610:31
14:03
#26019
23M
23.00 mi16:08:274:52:5112:4418:49
15:02
#26062
24M
24.00 mi16:22:535:07:1712:4814:26
14:26
#26091
40K
24.85 mi16:36:115:20:3512:5413:18
15:33
#26116
25.2M
25.20 mi16:41:495:26:1312:575:38
16:20
#26123
Finish
26.22 mi16:55:345:39:5812:5913:45
13:30
#26131
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24271142291422925218(Top 95%)14617(Top 96%)14617(Top 277%)
10K6.21 mi3.10 mi24449-17814298-6914298-6924574(Top 92%)14344(Top 95%)14344(Top 271%)
15K9.32 mi3.11 mi24801-35214442-14414442-14425218(Top 95%)14617(Top 96%)14617(Top 277%)
20K12.43 mi3.11 mi25352-55114675-23314675-23326019(Top 98%)14928(Top 98%)14928(Top 282%)
Half13.11 mi0.68 mi25406-5414693-1814693-1825939(Top 97%)14890(Top 98%)14890(Top 282%)
25K15.53 mi2.42 mi25667-26114787-9414787-9426286(Top 99%)15028(Top 99%)15028(Top 284%)
30K18.64 mi3.11 mi25759-9214821-3414821-3425982(Top 98%)14867(Top 98%)14867(Top 281%)
20M20.00 mi1.36 mi25853-9414857-3614857-3626445(Top 99%)15081(Top 99%)15081(Top 285%)
21M21.00 mi1.00 mi26008-15514925-6814925-6826599(Top 100%)15163(Top 100%)15163(Top 287%)
35K21.75 mi0.75 mi26019-1114926-114926-126153(Top 98%)14929(Top 98%)14929(Top 282%)
23M23.00 mi1.25 mi26062-4314936-1014936-1026302(Top 99%)14993(Top 99%)14993(Top 284%)
24M24.00 mi1.00 mi26091-2914945-914945-926235(Top 99%)14945(Top 98%)14945(Top 283%)
40K24.85 mi0.85 mi26116-2514951-614951-626325(Top 99%)14991(Top 99%)14991(Top 284%)
25.2M25.20 mi0.35 mi26123-714955-414955-426216(Top 98%)14930(Top 98%)14930(Top 282%)
Finish26.22 mi1.02 mi26131-814957-214957-226188(Top 98%)14904(Top 98%)14904(Top 282%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25218

Males

14617

M18-39

14617

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24574

Males

14344

M18-39

14344

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25218

Males

14617

M18-39

14617

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

26019

Males

14928

M18-39

14928

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

25939

Males

14890

M18-39

14890

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

26286

Males

15028

M18-39

15028

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

25982

Males

14867

M18-39

14867

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

26445

Males

15081

M18-39

15081

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

26599

Males

15163

M18-39

15163

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

26153

Males

14929

M18-39

14929

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

26302

Males

14993

M18-39

14993

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

26235

Males

14945

M18-39

14945

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26325

Males

14991

M18-39

14991

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26216

Males

14930

M18-39

14930

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

26188

Males

14904

M18-39

14904

Passing Analysis

Category:
Athletes Passed
236
Passed By
2096
Net Change
-1860
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24271
5K → 10K116294-178#24271#24449
10K → 15K35387-352#24449#24801
15K → 20K8559-551#24801#25352
20K → Half660-54#25352#25406
Half → 25K5266-261#25406#25667
25K → 30K32124-92#25667#25759
30K → 20M498-94#25759#25853
20M → 21M1156-155#25853#26008
21M → 35K920-11#26008#26019
35K → 23M750-43#26019#26062
23M → 24M231-29#26062#26091
24M → 40K429-25#26091#26116
40K → 25.2M18-7#26116#26123
25.2M → Finish614-8#26123#26131
TOTALS2362096-1860
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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