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BOSTON MARATHON 2023

Timothy Altendorf

Bib: 25497•M

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Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
10:30/mi
32:38
↑ 97↓ 3451.5%
10K· 6.21 mi
10:33/mi
1:05:24
↑ 79↓ 1380.4%
15K· 9.32 mi
11:40/mi
1:41:40
↑ 67↓ 78
20K· 12.43 mi
13:44/mi
2:24:19
↑ 106↓ 860.1%
Half· 13.11 mi
12:58/mi
2:33:10
↑ 19↓ 370.5%
25K· 15.53 mi
14:10/mi
3:07:32
↑ 66↓ 880.2%
30K· 18.64 mi
15:45/mi
3:56:27
↑ 181↓ 1480.2%
20M
14:47/mi
4:16:33
↑ 64↓ 500.2%
21M
15:47/mi
4:32:20
↑ 106↓ 241.6%
35K· 21.75 mi
14:34/mi
4:43:14
↑ 17↓ 861.7%
23M
14:32/mi
5:01:26
↑ 23↓ 630.6%
24M
13:23/mi
5:14:49
↓ 821.3%
40K· 24.85 mi
14:23/mi
5:27:07
↓ 200.3%
25.2M
13:52/mi
5:31:54
↑ 13↓ 160.2%
Finish· 26.22 mi
12:38/mi
5:44:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:33:10
Pace11:41 /mi
2nd Half
Distance13.11 mi
Time3:11:36
Pace14:37 /mi
📊Positive Split: 25.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2332:3810:3032:38
10:30
-
10K
6.21 mi12:21:091:05:2410:3232:46
10:33
+0:03
15K
9.32 mi12:57:251:41:4010:5436:16
11:40
+1:07
20K
12.43 mi13:40:042:24:1911:3742:39
13:44
+2:04
Half
13.11 mi13:48:552:33:1011:418:51
12:58
-0:46
25K
15.53 mi14:23:173:07:3212:0434:22
14:10
+1:12
30K
18.64 mi15:12:123:56:2712:4148:55
15:45
+1:35
20M
20.00 mi15:32:184:16:3312:5020:06
14:47
-0:58
21M
21.00 mi15:48:054:32:2012:5815:47
15:47
+1:00
35K
21.75 mi15:58:594:43:1413:0110:54
14:34
-1:13
23M
23.00 mi16:17:115:01:2613:0618:12
14:32
-0:02
24M
24.00 mi16:30:345:14:4913:0713:23
13:23
-1:09
40K
24.85 mi16:42:525:27:0713:1012:18
14:23
+1:00
25.2M
25.20 mi16:47:395:31:5413:104:47
13:52
-0:31
Finish
26.22 mi17:00:315:44:4613:1012:52
12:38
-1:14

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

10:30 /mi

Average Pace

13:10 /mi

Slowest Pace

15:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:23

36% of race

Time at Steady Pace

2:16:35

40% of race

Time at Slower Pace

1:24:48

25% of race

Average Pace: 13:09 /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 mi11:48:2332:3810:3032:38
10:30
#24719
10K
6.21 mi12:21:091:05:2410:3232:46
10:33
#24753
15K
9.32 mi12:57:251:41:4010:5436:16
11:40
#25313
20K
12.43 mi13:40:042:24:1911:3742:39
13:44
#25893
Half
13.11 mi13:48:552:33:1011:418:51
12:58
#25927
25K
15.53 mi14:23:173:07:3212:0434:22
14:10
#26059
30K
18.64 mi15:12:123:56:2712:4148:55
15:45
#26240
20M
20.00 mi15:32:184:16:3312:5020:06
14:47
#26244
21M
21.00 mi15:48:054:32:2012:5815:47
15:47
#26255
35K
21.75 mi15:58:594:43:1413:0110:54
14:34
#26271
23M
23.00 mi16:17:115:01:2613:0618:12
14:32
#26269
24M
24.00 mi16:30:345:14:4913:0713:23
13:23
#26257
40K
24.85 mi16:42:525:27:0713:1012:18
14:23
#26257
25.2M
25.20 mi16:47:395:31:5413:104:47
13:52
#26250
Finish
26.22 mi17:00:315:44:4613:1012:52
12:38
#26239
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi24719144171441725853(Top 97%)14879(Top 98%)14879(Top 2710%)
10K6.21 mi3.10 mi24753-3414435-1814435-1824762(Top 93%)14432(Top 95%)14432(Top 2629%)
15K9.32 mi3.11 mi25313-56014671-23614671-23625853(Top 97%)14879(Top 98%)14879(Top 2710%)
20K12.43 mi3.11 mi25893-58014903-23214903-23226482(Top 99%)15120(Top 100%)15120(Top 2754%)
Half13.11 mi0.68 mi25927-3414914-1114914-1126346(Top 99%)15054(Top 99%)15054(Top 2742%)
25K15.53 mi2.42 mi26059-13214958-4414958-4426408(Top 99%)15077(Top 99%)15077(Top 2746%)
30K18.64 mi3.11 mi26240-18115028-7015028-7026547(Top 100%)15140(Top 100%)15140(Top 2758%)
20M20.00 mi1.36 mi26244-415020+815020+826225(Top 99%)14960(Top 99%)14960(Top 2725%)
21M21.00 mi1.00 mi26255-1115023-315023-326142(Top 98%)14927(Top 98%)14927(Top 2719%)
35K21.75 mi0.75 mi26271-1615027-415027-426321(Top 99%)15011(Top 99%)15011(Top 2734%)
23M23.00 mi1.25 mi26269+215022+515022+526134(Top 98%)14909(Top 98%)14909(Top 2716%)
24M24.00 mi1.00 mi26257+1215014+815014+825732(Top 97%)14670(Top 97%)14670(Top 2672%)
40K24.85 mi0.85 mi2625715015-115015-125900(Top 97%)14749(Top 97%)14749(Top 2687%)
25.2M25.20 mi0.35 mi26250+7150151501524901(Top 94%)14240(Top 94%)14240(Top 2594%)
Finish26.22 mi1.02 mi26239+1115005+1015005+1025760(Top 97%)14685(Top 97%)14685(Top 2675%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25853

Males

14879

M65-69

14879

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24762

Males

14432

M65-69

14432

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25853

Males

14879

M65-69

14879

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26482

Males

15120

M65-69

15120

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26346

Males

15054

M65-69

15054

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26408

Males

15077

M65-69

15077

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

26547

Males

15140

M65-69

15140

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26225

Males

14960

M65-69

14960

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26142

Males

14927

M65-69

14927

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26321

Males

15011

M65-69

15011

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

26134

Males

14909

M65-69

14909

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

25732

Males

14670

M65-69

14670

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25900

Males

14749

M65-69

14749

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24901

Males

14240

M65-69

14240

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

25760

Males

14685

M65-69

14685

Passing Analysis

Category:
Athletes Passed
306
Passed By
1826
Net Change
-1520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24719
5K → 10K173207-34#24719#24753
10K → 15K9569-560#24753#25313
15K → 20K3583-580#25313#25893
20K → Half337-34#25893#25927
Half → 25K6138-132#25927#26059
25K → 30K4185-181#26059#26240
30K → 20M2125-4#26240#26244
20M → 21M1223-11#26244#26255
21M → 35K824-16#26255#26271
35K → 23M1513+2#26271#26269
23M → 24M197+12#26269#26257
24M → 40K12120#26257#26257
40K → 25.2M81+7#26257#26250
25.2M → Finish132+11#26250#26239
TOTALS3061826-1520
📊

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