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BOSTON MARATHON 2023

Randy Simpson

MN

Bib: 22621 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:12/mi
28:35
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:29/mi
58:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:20/mi
1:27:04
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:35/mi
1:56:49
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:13/mi
2:03:06
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:43/mi
2:26:40
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:48/mi
3:00:13
↑ 181↓ 1480.2%
138 ft elev
20M
12:20/mi
3:16:59
↑ 64↓ 500.2%
148 ft elev
21M
11:46/mi
3:28:45
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:58/mi
3:36:57
↑ 17↓ 861.7%
156 ft elev
23M
11:07/mi
3:50:52
↑ 23↓ 630.6%
116 ft elev
24M
10:25/mi
4:01:17
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:11/mi
4:10:51
↓ 200.3%
20 ft elev
25.2M
11:45/mi
4:14:54
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:47/mi
4:25:53
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:06
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:22:47
Pace10:54 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3028:359:1228:35
9:12
-
10K
6.21 mi11:51:5958:049:2129:29
9:29
+0:17
15K
9.32 mi12:20:591:27:049:2029:00
9:20
-0:09
20K
12.43 mi12:50:441:56:499:2429:45
9:35
+0:15
Half
13.11 mi12:57:012:03:069:236:17
9:13
-0:22
25K
15.53 mi13:20:352:26:409:2623:34
9:43
+0:30
30K
18.64 mi13:54:083:00:139:4033:33
10:48
+1:05
20M
20.00 mi14:10:543:16:599:5116:46
12:20
+1:32
21M
21.00 mi14:22:403:28:459:5611:46
11:46
-0:34
35K
21.75 mi14:30:523:36:579:598:12
10:58
-0:48
23M
23.00 mi14:44:473:50:5210:0213:55
11:07
+0:09
24M
24.00 mi14:55:124:01:1710:0310:25
10:25
-0:42
40K
24.85 mi15:04:464:10:5110:069:34
11:11
+0:46
25.2M
25.20 mi15:08:494:14:5410:074:03
11:45
+0:34
Finish
26.22 mi15:19:484:25:5310:0910:59
10:47
-0:58

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

9:12 /mi

Average Pace

10:09 /mi

Slowest Pace

12:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:40

55% of race

Time at Steady Pace

1:26:38

33% of race

Time at Slower Pace

32:35

12% of race

Average Pace: 10:08 /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 mi11:22:3028:359:1228:35
9:12
#21207
10K
6.21 mi11:51:5958:049:2129:29
9:29
#21871
15K
9.32 mi12:20:591:27:049:2029:00
9:20
#21812
20K
12.43 mi12:50:441:56:499:2429:45
9:35
#21804
Half
13.11 mi12:57:012:03:069:236:17
9:13
#21769
25K
15.53 mi13:20:352:26:409:2623:34
9:43
#21699
30K
18.64 mi13:54:083:00:139:4033:33
10:48
#21967
20M
20.00 mi14:10:543:16:599:5116:46
12:20
#22284
21M
21.00 mi14:22:403:28:459:5611:46
11:46
#22279
35K
21.75 mi14:30:523:36:579:598:12
10:58
#22315
23M
23.00 mi14:44:473:50:5210:0213:55
11:07
#22334
24M
24.00 mi14:55:124:01:1710:0310:25
10:25
#22321
40K
24.85 mi15:04:464:10:5110:069:34
11:11
#22337
25.2M
25.20 mi15:08:494:14:5410:074:03
11:45
#22327
Finish
26.22 mi15:19:484:25:5310:0910:59
10:47
#22381
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi212071270812708217491308413084
10K6.21 mi3.10 mi21871-66413068-36013068-360224821338213382
15K9.32 mi3.11 mi21812+5913058+1013058+10217491308413084
20K12.43 mi3.11 mi21804+813071-1313071-13217821309013090
Half13.11 mi0.68 mi21769+3513058+1313058+13211851281712817
25K15.53 mi2.42 mi21699+7013023+3513023+35215241293612936
30K18.64 mi3.11 mi21967-26813127-10413127-104227871341913419
20M20.00 mi1.36 mi22284-31713262-13513262-135245741417214172
21M21.00 mi1.00 mi22279+513245+1713245+17223461313513135
35K21.75 mi0.75 mi22315-3613247-213247-2232231348913489
23M23.00 mi1.25 mi22334-1913251-413251-4225651318213182
24M24.00 mi1.00 mi22321+1313240+1113240+11218371279712797
40K24.85 mi0.85 mi22337-1613241-113241-1227131318213182
25.2M25.20 mi0.35 mi22327+1013233+813233+8220281286112861
Finish26.22 mi1.02 mi22381-5413245-1213245-12235591359913599

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21749

Males

13084

M60-64

13084

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22482

Males

13382

M60-64

13382

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21749

Males

13084

M60-64

13084

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21782

Males

13090

M60-64

13090

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21185

Males

12817

M60-64

12817

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21524

Males

12936

M60-64

12936

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22787

Males

13419

M60-64

13419

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24574

Males

14172

M60-64

14172

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22346

Males

13135

M60-64

13135

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23223

Males

13489

M60-64

13489

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22565

Males

13182

M60-64

13182

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21837

Males

12797

M60-64

12797

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22713

Males

13182

M60-64

13182

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22028

Males

12861

M60-64

12861

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23559

Males

13599

M60-64

13599

Passing Analysis

Category:
Athletes Passed
891
Passed By
2065
Net Change
-1174
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21207
5K → 10K61725-664#21207#21871
10K → 15K197138+59#21871#21812
15K → 20K132124+8#21812#21804
20K → Half4813+35#21804#21769
Half → 25K13161+70#21769#21699
25K → 30K76344-268#21699#21967
30K → 20M9326-317#21967#22284
20M → 21M5752+5#22284#22279
21M → 35K2157-36#22279#22315
35K → 23M5069-19#22315#22334
23M → 24M4027+13#22334#22321
24M → 40K3551-16#22321#22337
40K → 25.2M2414+10#22337#22327
25.2M → Finish1064-54#22327#22381
TOTALS8912065-1174

Passing Charts

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