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BOSTON MARATHON 2023

Wiliam Zwemke

Bib: 31761•M

MA

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

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
11:19/mi
35:10
↑ 97↓ 3451.5%
10K· 6.21 mi
11:53/mi
1:12:04
↑ 79↓ 1380.4%
15K· 9.32 mi
12:21/mi
1:50:26
↑ 67↓ 78
20K· 12.43 mi
13:04/mi
2:31:03
↑ 106↓ 860.1%
Half· 13.11 mi
12:44/mi
2:39:44
↑ 19↓ 370.5%
25K· 15.53 mi
13:46/mi
3:13:07
↑ 66↓ 880.2%
30K· 18.64 mi
14:37/mi
3:58:33
↑ 181↓ 1480.2%
20M
14:58/mi
4:18:53
↑ 64↓ 500.2%
21M
14:54/mi
4:33:47
↑ 106↓ 241.6%
35K· 21.75 mi
13:34/mi
4:43:56
↑ 17↓ 861.7%
23M
13:59/mi
5:01:26
↑ 23↓ 630.6%
24M
14:01/mi
5:15:27
↓ 821.3%
40K· 24.85 mi
14:14/mi
5:27:37
↓ 200.3%
25.2M
16:14/mi
5:33:13
↑ 13↓ 160.2%
Finish· 26.22 mi
13:28/mi
5:46:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:39:44
Pace12:11 /mi
2nd Half
Distance13.11 mi
Time3:07:12
Pace14:17 /mi
📊Positive Split: 17.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:4735:1011:1935:10
11:19
-
10K
6.21 mi12:33:411:12:0411:3636:54
11:53
+0:34
15K
9.32 mi13:12:031:50:2611:5138:22
12:21
+0:28
20K
12.43 mi13:52:402:31:0312:0940:37
13:04
+0:43
Half
13.11 mi14:01:212:39:4412:118:41
12:44
-0:20
25K
15.53 mi14:34:443:13:0712:2633:23
13:46
+1:02
30K
18.64 mi15:20:103:58:3312:4845:26
14:37
+0:51
20M
20.00 mi15:40:304:18:5312:5720:20
14:58
+0:21
21M
21.00 mi15:55:244:33:4713:0214:54
14:54
-0:04
35K
21.75 mi16:05:334:43:5613:0310:09
13:34
-1:20
23M
23.00 mi16:23:035:01:2613:0617:30
13:59
+0:25
24M
24.00 mi16:37:045:15:2713:0914:01
14:01
+0:02
40K
24.85 mi16:49:145:27:3713:1112:10
14:14
+0:13
25.2M
25.20 mi16:54:505:33:1313:135:36
16:14
+2:00
Finish
26.22 mi17:08:335:46:5613:1513:43
13:28
-2:46

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

11:19 /mi

Average Pace

13:15 /mi

Slowest Pace

16:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:44

46% of race

Time at Steady Pace

1:40:56

29% of race

Time at Slower Pace

1:26:16

25% of race

Average Pace: 13:14 /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 mi11:56:4735:1011:1935:10
11:19
#26052
10K
6.21 mi12:33:411:12:0411:3636:54
11:53
#26158
15K
9.32 mi13:12:031:50:2611:5138:22
12:21
#26206
20K
12.43 mi13:52:402:31:0312:0940:37
13:04
#26236
Half
13.11 mi14:01:212:39:4412:118:41
12:44
#26242
25K
15.53 mi14:34:443:13:0712:2633:23
13:46
#26264
30K
18.64 mi15:20:103:58:3312:4845:26
14:37
#26299
20M
20.00 mi15:40:304:18:5312:5720:20
14:58
#26314
21M
21.00 mi15:55:244:33:4713:0214:54
14:54
#26302
35K
21.75 mi16:05:334:43:5613:0310:09
13:34
#26293
23M
23.00 mi16:23:035:01:2613:0617:30
13:59
#26270
24M
24.00 mi16:37:045:15:2713:0914:01
14:01
#26281
40K
24.85 mi16:49:145:27:3713:1112:10
14:14
#26278
25.2M
25.20 mi16:54:505:33:1313:135:36
16:14
#26279
Finish
26.22 mi17:08:335:46:5613:1513:43
13:28
#26284
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi26052149471494726251(Top 99%)15027(Top 99%)15027(Top 1354%)
10K6.21 mi3.10 mi26158-10614994-4714994-4726207(Top 98%)15012(Top 99%)15012(Top 1352%)
15K9.32 mi3.11 mi26206-4815015-2115015-2126251(Top 99%)15027(Top 99%)15027(Top 1354%)
20K12.43 mi3.11 mi26236-3015026-1115026-1126264(Top 99%)15032(Top 99%)15032(Top 1354%)
Half13.11 mi0.68 mi26242-615032-615032-626256(Top 99%)15016(Top 99%)15016(Top 1353%)
25K15.53 mi2.42 mi26264-2215042-1015042-1026246(Top 99%)15011(Top 99%)15011(Top 1352%)
30K18.64 mi3.11 mi26299-3515053-1115053-1126301(Top 99%)15023(Top 99%)15023(Top 1353%)
20M20.00 mi1.36 mi26314-1515055-215055-226283(Top 99%)14986(Top 99%)14986(Top 1350%)
21M21.00 mi1.00 mi26302+1215047+815047+825672(Top 96%)14714(Top 97%)14714(Top 1326%)
35K21.75 mi0.75 mi26293+915041+615041+625932(Top 97%)14804(Top 98%)14804(Top 1334%)
23M23.00 mi1.25 mi26270+2315023+1815023+1825808(Top 97%)14736(Top 97%)14736(Top 1328%)
24M24.00 mi1.00 mi26281-1115024-115024-126082(Top 98%)14854(Top 98%)14854(Top 1338%)
40K24.85 mi0.85 mi26278+315022+215022+225812(Top 97%)14709(Top 97%)14709(Top 1325%)
25.2M25.20 mi0.35 mi26279-115024-215024-226182(Top 98%)14913(Top 98%)14913(Top 1344%)
Finish26.22 mi1.02 mi26284-5150241502426180(Top 98%)14899(Top 98%)14899(Top 1342%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26251

Males

15027

M60-64

15027

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26207

Males

15012

M60-64

15012

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26251

Males

15027

M60-64

15027

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26264

Males

15032

M60-64

15032

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26256

Males

15016

M60-64

15016

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26246

Males

15011

M60-64

15011

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26301

Males

15023

M60-64

15023

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26283

Males

14986

M60-64

14986

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25672

Males

14714

M60-64

14714

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25932

Males

14804

M60-64

14804

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25808

Males

14736

M60-64

14736

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

26082

Males

14854

M60-64

14854

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25812

Males

14709

M60-64

14709

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26182

Males

14913

M60-64

14913

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26180

Males

14899

M60-64

14899

Passing Analysis

Category:
Athletes Passed
264
Passed By
496
Net Change
-232
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26052
5K → 10K43149-106#26052#26158
10K → 15K3684-48#26158#26206
15K → 20K3363-30#26206#26236
20K → Half612-6#26236#26242
Half → 25K2042-22#26242#26264
25K → 30K1550-35#26264#26299
30K → 20M1429-15#26299#26314
20M → 21M219+12#26314#26302
21M → 35K156+9#26302#26293
35K → 23M296+23#26293#26270
23M → 24M819-11#26270#26281
24M → 40K107+3#26281#26278
40K → 25.2M56-1#26278#26279
25.2M → Finish914-5#26279#26284
TOTALS264496-232
📊

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