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BOSTON MARATHON 2023

Alex Ooms

Bib: 30238•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:38/mi
33:01
↑ 97↓ 3451.5%
10K· 6.21 mi
10:52/mi
1:06:48
↑ 79↓ 1380.4%
15K· 9.32 mi
10:58/mi
1:40:52
↑ 67↓ 78
20K· 12.43 mi
11:00/mi
2:15:04
↑ 106↓ 860.1%
Half· 13.11 mi
11:00/mi
2:22:34
↑ 19↓ 370.5%
25K· 15.53 mi
11:21/mi
2:50:06
↑ 66↓ 880.2%
30K· 18.64 mi
11:47/mi
3:26:41
↑ 181↓ 1480.2%
20M
11:59/mi
3:42:58
↑ 64↓ 500.2%
21M
12:45/mi
3:55:43
↑ 106↓ 241.6%
35K· 21.75 mi
11:20/mi
4:04:12
↑ 17↓ 861.7%
23M
11:59/mi
4:19:12
↑ 23↓ 630.6%
24M
12:13/mi
4:31:25
↓ 821.3%
40K· 24.85 mi
12:14/mi
4:41:53
↓ 200.3%
25.2M
13:26/mi
4:46:31
↑ 13↓ 160.2%
Finish· 26.22 mi
10:41/mi
4:57:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:34
Pace10:52 /mi
2nd Half
Distance13.11 mi
Time2:34:50
Pace11:49 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2333:0110:3833:01
10:38
-
10K
6.21 mi12:25:101:06:4810:4533:47
10:52
+0:14
15K
9.32 mi12:59:141:40:5210:4934:04
10:58
+0:06
20K
12.43 mi13:33:262:15:0410:5234:12
11:00
+0:02
Half
13.11 mi13:40:562:22:3410:527:30
11:00
0:00
25K
15.53 mi14:08:282:50:0610:5727:32
11:21
+0:21
30K
18.64 mi14:45:033:26:4111:0536:35
11:47
+0:26
20M
20.00 mi15:01:203:42:5811:0916:17
11:59
+0:12
21M
21.00 mi15:14:053:55:4311:1312:45
12:45
+0:46
35K
21.75 mi15:22:344:04:1211:148:29
11:20
-1:25
23M
23.00 mi15:37:344:19:1211:1615:00
11:59
+0:39
24M
24.00 mi15:49:474:31:2511:1912:13
12:13
+0:14
40K
24.85 mi16:00:154:41:5311:2010:28
12:14
+0:01
25.2M
25.20 mi16:04:534:46:3111:224:38
13:26
+1:12
Finish
26.22 mi16:15:464:57:2411:2110:53
10:41
-2:45

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

10:38 /mi

Average Pace

11:21 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:41

26% of race

Time at Steady Pace

1:51:47

38% of race

Time at Slower Pace

1:47:56

36% of race

Average Pace: 11:21 /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 mi11:51:2333:0110:3833:01
10:38
#25007
10K
6.21 mi12:25:101:06:4810:4533:47
10:52
#25170
15K
9.32 mi12:59:141:40:5210:4934:04
10:58
#25171
20K
12.43 mi13:33:262:15:0410:5234:12
11:00
#25024
Half
13.11 mi13:40:562:22:3410:527:30
11:00
#25018
25K
15.53 mi14:08:282:50:0610:5727:32
11:21
#24931
30K
18.64 mi14:45:033:26:4111:0536:35
11:47
#24821
20M
20.00 mi15:01:203:42:5811:0916:17
11:59
#24770
21M
21.00 mi15:14:053:55:4311:1312:45
12:45
#24734
35K
21.75 mi15:22:344:04:1211:148:29
11:20
#24704
23M
23.00 mi15:37:344:19:1211:1615:00
11:59
#24656
24M
24.00 mi15:49:474:31:2511:1912:13
12:13
#24690
40K
24.85 mi16:00:154:41:5311:2010:28
12:14
#24667
25.2M
25.20 mi16:04:534:46:3111:224:38
13:26
#24677
Finish
26.22 mi16:15:464:57:2411:2110:53
10:41
#24655
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25007145491454925135(Top 94%)14577(Top 96%)14577(Top 650%)
10K6.21 mi3.10 mi25170-16314619-7014619-7025300(Top 95%)14668(Top 97%)14668(Top 655%)
15K9.32 mi3.11 mi25171-114614+514614+525135(Top 94%)14577(Top 96%)14577(Top 650%)
20K12.43 mi3.11 mi25024+14714534+8014534+8024639(Top 93%)14339(Top 94%)14339(Top 640%)
Half13.11 mi0.68 mi25018+6145341453424924(Top 94%)14445(Top 95%)14445(Top 645%)
25K15.53 mi2.42 mi24931+8714482+5214482+5224482(Top 92%)14241(Top 94%)14241(Top 635%)
30K18.64 mi3.11 mi24821+11014416+6614416+6624227(Top 91%)14066(Top 93%)14066(Top 628%)
20M20.00 mi1.36 mi24770+5114376+4014376+4024187(Top 91%)13989(Top 92%)13989(Top 624%)
21M21.00 mi1.00 mi24734+3614359+1714359+1723758(Top 89%)13779(Top 91%)13779(Top 615%)
35K21.75 mi0.75 mi24704+3014345+1414345+1423873(Top 90%)13788(Top 91%)13788(Top 615%)
23M23.00 mi1.25 mi24656+4814316+2914316+2923969(Top 90%)13845(Top 91%)13845(Top 618%)
24M24.00 mi1.00 mi24690-3414313+314313+324762(Top 93%)14176(Top 93%)14176(Top 633%)
40K24.85 mi0.85 mi24667+2314296+1714296+1724162(Top 91%)13880(Top 91%)13880(Top 619%)
25.2M25.20 mi0.35 mi24677-1014302-614302-624452(Top 92%)14026(Top 92%)14026(Top 626%)
Finish26.22 mi1.02 mi24655+2214292+1014292+1023382(Top 88%)13514(Top 89%)13514(Top 603%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25135

Males

14577

M40-44

14577

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25300

Males

14668

M40-44

14668

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25135

Males

14577

M40-44

14577

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24639

Males

14339

M40-44

14339

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24924

Males

14445

M40-44

14445

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24482

Males

14241

M40-44

14241

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24227

Males

14066

M40-44

14066

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24187

Males

13989

M40-44

13989

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

23758

Males

13779

M40-44

13779

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23873

Males

13788

M40-44

13788

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23969

Males

13845

M40-44

13845

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24762

Males

14176

M40-44

14176

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24162

Males

13880

M40-44

13880

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24452

Males

14026

M40-44

14026

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23382

Males

13514

M40-44

13514

Passing Analysis

Category:
Athletes Passed
1034
Passed By
682
Net Change
+352
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25007
5K → 10K118281-163#25007#25170
10K → 15K110111-1#25170#25171
15K → 20K18538+147#25171#25024
20K → Half2620+6#25024#25018
Half → 25K11528+87#25018#24931
25K → 30K15040+110#24931#24821
30K → 20M7625+51#24821#24770
20M → 21M4711+36#24770#24734
21M → 35K366+30#24734#24704
35K → 23M6113+48#24704#24656
23M → 24M1852-34#24656#24690
24M → 40K4219+23#24690#24667
40K → 25.2M1020-10#24667#24677
25.2M → Finish4018+22#24677#24655
TOTALS1034682+352
📊

Passing Visuals

Category:
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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