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BOSTON MARATHON 2023

Ron Rasing

Bib: 11514•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
8:00/mi
24:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
48:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:20/mi
1:14:34
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:39:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:44:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:04:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:32:18
↑ 181↓ 1480.2%
20M
8:38/mi
2:44:02
↑ 64↓ 500.2%
21M
9:44/mi
2:53:46
↑ 106↓ 241.6%
35K· 21.75 mi
9:24/mi
3:00:48
↑ 17↓ 861.7%
23M
8:31/mi
3:11:28
↑ 23↓ 630.6%
24M
8:24/mi
3:19:52
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:27:04
↓ 200.3%
25.2M
8:54/mi
3:30:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:38:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:53
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:53:24
Pace8:39 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0524:528:0024:52
8:00
-
10K
6.21 mi11:15:5448:417:5023:49
7:40
-0:20
15K
9.32 mi11:41:471:14:348:0025:53
8:20
+0:40
20K
12.43 mi12:06:421:39:298:0024:55
8:01
-0:19
Half
13.11 mi12:12:061:44:538:005:24
7:55
-0:06
25K
15.53 mi12:32:072:04:548:0220:01
8:15
+0:20
30K
18.64 mi12:59:312:32:188:1027:24
8:49
+0:34
20M
20.00 mi13:11:152:44:028:1211:44
8:38
-0:11
21M
21.00 mi13:20:592:53:468:169:44
9:44
+1:06
35K
21.75 mi13:28:013:00:488:197:02
9:24
-0:20
23M
23.00 mi13:38:413:11:288:1910:40
8:31
-0:53
24M
24.00 mi13:47:053:19:528:208:24
8:24
-0:07
40K
24.85 mi13:54:173:27:048:207:12
8:25
+0:01
25.2M
25.20 mi13:57:213:30:088:203:04
8:54
+0:29
Finish
26.22 mi14:05:303:38:178:208:09
8:00
-0:54

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

7:40 /mi

Average Pace

8:20 /mi

Slowest Pace

9:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:09

40% of race

Time at Steady Pace

1:23:54

38% of race

Time at Slower Pace

47:14

22% of race

Average Pace: 8:20 /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 mi10:52:0524:528:0024:52
8:00
#14040
10K
6.21 mi11:15:5448:417:5023:49
7:40
#13012
15K
9.32 mi11:41:471:14:348:0025:53
8:20
#14353
20K
12.43 mi12:06:421:39:298:0024:55
8:01
#14149
Half
13.11 mi12:12:061:44:538:005:24
7:55
#14120
25K
15.53 mi12:32:072:04:548:0220:01
8:15
#14200
30K
18.64 mi12:59:312:32:188:1027:24
8:49
#14592
20M
20.00 mi13:11:152:44:028:1211:44
8:38
#14562
21M
21.00 mi13:20:592:53:468:169:44
9:44
#14726
35K
21.75 mi13:28:013:00:488:197:02
9:24
#14943
23M
23.00 mi13:38:413:11:288:1910:40
8:31
#14830
24M
24.00 mi13:47:053:19:528:208:24
8:24
#14757
40K
24.85 mi13:54:173:27:048:207:12
8:25
#14668
25.2M
25.20 mi13:57:213:30:088:203:04
8:54
#14620
Finish
26.22 mi14:05:303:38:178:208:09
8:00
#14492
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi140409965996516719(Top 63%)10954(Top 72%)10954(Top 534%)
10K6.21 mi3.10 mi13012+10289543+4229543+42211929(Top 45%)9090(Top 60%)9090(Top 443%)
15K9.32 mi3.11 mi14353-134110070-52710070-52716719(Top 63%)10954(Top 72%)10954(Top 534%)
20K12.43 mi3.11 mi14149+2049957+1139957+11313596(Top 51%)9709(Top 64%)9709(Top 473%)
Half13.11 mi0.68 mi14120+299950+79950+713660(Top 51%)9770(Top 64%)9770(Top 476%)
25K15.53 mi2.42 mi14200-809951-19951-114626(Top 55%)10005(Top 66%)10005(Top 488%)
30K18.64 mi3.11 mi14592-39210082-13110082-13116183(Top 61%)10558(Top 70%)10558(Top 515%)
20M20.00 mi1.36 mi14562+3010036+4610036+4614465(Top 54%)9760(Top 64%)9760(Top 476%)
21M21.00 mi1.00 mi14726-16410078-4210078-4216959(Top 64%)10771(Top 71%)10771(Top 525%)
35K21.75 mi0.75 mi14943-21710148-7010148-7019507(Top 73%)11813(Top 78%)11813(Top 576%)
23M23.00 mi1.25 mi14830+11310074+7410074+7413349(Top 50%)9072(Top 60%)9072(Top 442%)
24M24.00 mi1.00 mi14757+7310024+5010024+5013853(Top 52%)9250(Top 61%)9250(Top 451%)
40K24.85 mi0.85 mi14668+899968+569968+5612826(Top 48%)8701(Top 57%)8701(Top 424%)
25.2M25.20 mi0.35 mi14620+489938+309938+3011872(Top 45%)8215(Top 54%)8215(Top 400%)
Finish26.22 mi1.02 mi14492+1289879+599879+5912110(Top 45%)8345(Top 55%)8345(Top 407%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16719

Males

10954

M50-54

10954

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11929

Males

9090

M50-54

9090

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16719

Males

10954

M50-54

10954

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13596

Males

9709

M50-54

9709

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13660

Males

9770

M50-54

9770

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14626

Males

10005

M50-54

10005

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16183

Males

10558

M50-54

10558

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14465

Males

9760

M50-54

9760

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16959

Males

10771

M50-54

10771

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19507

Males

11813

M50-54

11813

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13349

Males

9072

M50-54

9072

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13853

Males

9250

M50-54

9250

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12826

Males

8701

M50-54

8701

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11872

Males

8215

M50-54

8215

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12110

Males

8345

M50-54

8345

Passing Analysis

Category:
Athletes Passed
2324
Passed By
2776
Net Change
-452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14040
5K → 10K108254+1028#14040#13012
10K → 15K131354-1341#13012#14353
15K → 20K28884+204#14353#14149
20K → Half4314+29#14149#14120
Half → 25K114194-80#14120#14200
25K → 30K83475-392#14200#14592
30K → 20M10878+30#14592#14562
20M → 21M35199-164#14562#14726
21M → 35K12229-217#14726#14943
35K → 23M14936+113#14943#14830
23M → 24M9421+73#14830#14757
24M → 40K11122+89#14757#14668
40K → 25.2M513+48#14668#14620
25.2M → Finish14113+128#14620#14492
TOTALS23242776-452
📊

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