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BOSTON MARATHON 2023

Oliver Mountstephens

Bib: 5536•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #2339
Start → 5K
20:14 | 6:31/mi
10K· 6.21 mi
40:27
Rank: #2568 (-229)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:01:02
Rank: #2814 (-246)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:21:50
Rank: #2973 (-159)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:26:22
Rank: #3012 (-39)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:42:46
Rank: #3104 (-92)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:04:12
Rank: #3139 (-35)
25K → 30K
21:26 | 6:54/mi
20M
2:13:33
Rank: #3133 (+6)
30K → 20M
9:21 | 6:53/mi
21M
2:20:41
Rank: #3088 (+45)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:25:47
Rank: #3114 (-26)
21M → 35K
5:06 | 6:49/mi
23M
2:34:25
Rank: #3072 (+42)
35K → 23M
8:38 | 6:54/mi
24M
2:41:14
Rank: #3089 (-17)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:47:08
Rank: #3076 (+13)
24M → 40K
5:54 | 6:54/mi
25.2M
2:49:42
Rank: #3076
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:56:37
Rank: #3092 (-16)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:22
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5020:146:3120:14
6:31
-
10K
6.21 mi10:43:0340:276:3120:13
6:30
-0:01
15K
9.32 mi11:03:381:01:026:3320:35
6:38
+0:08
20K
12.43 mi11:24:261:21:506:3520:48
6:42
+0:04
Half
13.11 mi11:28:581:26:226:354:32
6:39
-0:03
25K
15.53 mi11:45:221:42:466:3716:24
6:46
+0:07
30K
18.64 mi12:06:482:04:126:4021:26
6:54
+0:08
20M
20.00 mi12:16:092:13:336:419:21
6:53
-0:01
21M
21.00 mi12:23:172:20:416:427:08
7:08
+0:15
35K
21.75 mi12:28:232:25:476:425:06
6:49
-0:19
23M
23.00 mi12:37:012:34:256:438:38
6:54
+0:05
24M
24.00 mi12:43:502:41:146:436:49
6:49
-0:05
40K
24.85 mi12:49:442:47:086:435:54
6:54
+0:05
25.2M
25.20 mi12:52:182:49:426:442:34
7:27
+0:33
Finish
26.22 mi12:59:132:56:376:446:55
6:47
-0:40

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

6:30 /mi

Average Pace

6:44 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:03

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:22:5020:146:3120:14
6:31
#2339
10K
6.21 mi10:43:0340:276:3120:13
6:30
#2568
15K
9.32 mi11:03:381:01:026:3320:35
6:38
#2814
20K
12.43 mi11:24:261:21:506:3520:48
6:42
#2973
Half
13.11 mi11:28:581:26:226:354:32
6:39
#3012
25K
15.53 mi11:45:221:42:466:3716:24
6:46
#3104
30K
18.64 mi12:06:482:04:126:4021:26
6:54
#3139
20M
20.00 mi12:16:092:13:336:419:21
6:53
#3133
21M
21.00 mi12:23:172:20:416:427:08
7:08
#3088
35K
21.75 mi12:28:232:25:476:425:06
6:49
#3114
23M
23.00 mi12:37:012:34:256:438:38
6:54
#3072
24M
24.00 mi12:43:502:41:146:436:49
6:49
#3089
40K
24.85 mi12:49:442:47:086:435:54
6:54
#3076
25.2M
25.20 mi12:52:182:49:426:442:34
7:27
#3076
Finish
26.22 mi12:59:132:56:376:446:55
6:47
#3092
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2339223122313499(Top 13%)3313(Top 22%)3313(Top 63%)
10K6.21 mi3.10 mi2568-2292449-2182449-2182835(Top 11%)2709(Top 18%)2709(Top 51%)
15K9.32 mi3.11 mi2814-2462686-2372686-2373499(Top 13%)3313(Top 22%)3313(Top 63%)
20K12.43 mi3.11 mi2973-1592838-1522838-1523532(Top 13%)3341(Top 22%)3341(Top 63%)
Half13.11 mi0.68 mi3012-392875-372875-373744(Top 14%)3528(Top 23%)3528(Top 67%)
25K15.53 mi2.42 mi3104-922958-832958-833824(Top 14%)3596(Top 24%)3596(Top 68%)
30K18.64 mi3.11 mi3139-352990-322990-323643(Top 14%)3422(Top 23%)3422(Top 65%)
20M20.00 mi1.36 mi3133+62980+102980+103276(Top 12%)3065(Top 20%)3065(Top 58%)
21M21.00 mi1.00 mi3088+452933+472933+472763(Top 10%)2597(Top 17%)2597(Top 49%)
35K21.75 mi0.75 mi3114-262956-232956-234239(Top 16%)3874(Top 26%)3874(Top 73%)
23M23.00 mi1.25 mi3072+422918+382918+383187(Top 12%)2964(Top 20%)2964(Top 56%)
24M24.00 mi1.00 mi3089-172929-112929-113718(Top 14%)3404(Top 22%)3404(Top 64%)
40K24.85 mi0.85 mi3076+132914+152914+153309(Top 12%)3025(Top 20%)3025(Top 57%)
25.2M25.20 mi0.35 mi3076291429143580(Top 13%)3208(Top 21%)3208(Top 61%)
Finish26.22 mi1.02 mi3092-162927-132927-133981(Top 15%)3520(Top 23%)3520(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3499

Males

3313

M18-39

3313

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2835

Males

2709

M18-39

2709

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3499

Males

3313

M18-39

3313

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3532

Males

3341

M18-39

3341

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3744

Males

3528

M18-39

3528

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3824

Males

3596

M18-39

3596

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3643

Males

3422

M18-39

3422

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3276

Males

3065

M18-39

3065

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2763

Males

2597

M18-39

2597

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4239

Males

3874

M18-39

3874

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3187

Males

2964

M18-39

2964

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3718

Males

3404

M18-39

3404

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3309

Males

3025

M18-39

3025

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3580

Males

3208

M18-39

3208

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3981

Males

3520

M18-39

3520

Passing Analysis

Category:
Athletes Passed
591
Passed By
1344
Net Change
-753
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2339
5K → 10K55284-229#2339#2568
10K → 15K22268-246#2568#2814
15K → 20K27186-159#2814#2973
20K → Half847-39#2973#3012
Half → 25K37129-92#3012#3104
25K → 30K83118-35#3104#3139
30K → 20M5246+6#3139#3133
20M → 21M6823+45#3133#3088
21M → 35K1844-26#3088#3114
35K → 23M7230+42#3114#3072
23M → 24M3451-17#3072#3089
24M → 40K4936+13#3089#3076
40K → 25.2M19190#3076#3076
25.2M → Finish4763-16#3076#3092
TOTALS5911344-753
📊

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