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BOSTON MARATHON 2023

Alexander Witek

Bib: 31900•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
9:17/mi
28:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:53/mi
56:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:24:03
↑ 67↓ 78
20K· 12.43 mi
9:06/mi
1:52:20
↑ 106↓ 860.1%
Half· 13.11 mi
9:18/mi
1:58:41
↑ 19↓ 370.5%
25K· 15.53 mi
9:09/mi
2:20:51
↑ 66↓ 880.2%
30K· 18.64 mi
9:44/mi
2:51:05
↑ 181↓ 1480.2%
20M
9:46/mi
3:04:21
↑ 64↓ 500.2%
21M
10:37/mi
3:14:58
↑ 106↓ 241.6%
35K· 21.75 mi
10:19/mi
3:22:41
↑ 17↓ 861.7%
23M
10:41/mi
3:36:03
↑ 23↓ 630.6%
24M
10:11/mi
3:46:14
↓ 821.3%
40K· 24.85 mi
9:44/mi
3:54:33
↓ 200.3%
25.2M
13:32/mi
3:59:13
↑ 13↓ 160.2%
Finish· 26.22 mi
9:22/mi
4:08:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:41
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:10:05
Pace9:55 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0128:529:1728:52
9:17
-
10K
6.21 mi12:16:3856:299:0527:37
8:53
-0:24
15K
9.32 mi12:44:121:24:039:0127:34
8:52
-0:01
20K
12.43 mi13:12:291:52:209:0228:17
9:06
+0:14
Half
13.11 mi13:18:501:58:419:036:21
9:18
+0:12
25K
15.53 mi13:41:002:20:519:0422:10
9:09
-0:09
30K
18.64 mi14:11:142:51:059:1130:14
9:44
+0:35
20M
20.00 mi14:24:303:04:219:1313:16
9:46
+0:02
21M
21.00 mi14:35:073:14:589:1710:37
10:37
+0:51
35K
21.75 mi14:42:503:22:419:197:43
10:19
-0:18
23M
23.00 mi14:56:123:36:039:2413:22
10:41
+0:22
24M
24.00 mi15:06:233:46:149:2610:11
10:11
-0:30
40K
24.85 mi15:14:423:54:339:268:19
9:44
-0:27
25.2M
25.20 mi15:19:223:59:139:304:40
13:32
+3:48
Finish
26.22 mi15:28:554:08:469:309:33
9:22
-4:10

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

8:52 /mi

Average Pace

9:30 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:38

42% of race

Time at Steady Pace

1:46:46

43% of race

Time at Slower Pace

36:22

15% of race

Average Pace: 9:29 /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 mi11:49:0128:529:1728:52
9:17
#21501
10K
6.21 mi12:16:3856:299:0527:37
8:53
#21009
15K
9.32 mi12:44:121:24:039:0127:34
8:52
#20642
20K
12.43 mi13:12:291:52:209:0228:17
9:06
#20534
Half
13.11 mi13:18:501:58:419:036:21
9:18
#20589
25K
15.53 mi13:41:002:20:519:0422:10
9:09
#20423
30K
18.64 mi14:11:142:51:059:1130:14
9:44
#20372
20M
20.00 mi14:24:303:04:219:1313:16
9:46
#20316
21M
21.00 mi14:35:073:14:589:1710:37
10:37
#20273
35K
21.75 mi14:42:503:22:419:197:43
10:19
#20341
23M
23.00 mi14:56:123:36:039:2413:22
10:41
#20441
24M
24.00 mi15:06:233:46:149:2610:11
10:11
#20477
40K
24.85 mi15:14:423:54:339:268:19
9:44
#20414
25.2M
25.20 mi15:19:223:59:139:304:40
13:32
#20545
Finish
26.22 mi15:28:554:08:469:309:33
9:22
#20496
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi21501128461284619916(Top 75%)12259(Top 81%)12259(Top 547%)
10K6.21 mi3.10 mi21009+49212659+18712659+18720372(Top 77%)12444(Top 82%)12444(Top 555%)
15K9.32 mi3.11 mi20642+36712531+12812531+12819916(Top 75%)12259(Top 81%)12259(Top 547%)
20K12.43 mi3.11 mi20534+10812497+3412497+3420151(Top 76%)12380(Top 82%)12380(Top 552%)
Half13.11 mi0.68 mi20589-5512526-2912526-2921503(Top 81%)12957(Top 85%)12957(Top 578%)
25K15.53 mi2.42 mi20423+16612454+7212454+7219583(Top 74%)12097(Top 80%)12097(Top 540%)
30K18.64 mi3.11 mi20372+5112414+4012414+4020230(Top 76%)12310(Top 81%)12310(Top 549%)
20M20.00 mi1.36 mi20316+5612375+3912375+3919741(Top 74%)11998(Top 79%)11998(Top 535%)
21M21.00 mi1.00 mi20273+4312345+3012345+3019922(Top 75%)12016(Top 79%)12016(Top 536%)
35K21.75 mi0.75 mi20341-6812365-2012365-2022009(Top 83%)12925(Top 85%)12925(Top 577%)
23M23.00 mi1.25 mi20441-10012400-3512400-3521696(Top 81%)12768(Top 84%)12768(Top 570%)
24M24.00 mi1.00 mi20477-3612407-712407-721270(Top 80%)12538(Top 83%)12538(Top 559%)
40K24.85 mi0.85 mi20414+6312376+3112376+3119111(Top 72%)11547(Top 76%)11547(Top 515%)
25.2M25.20 mi0.35 mi20545-13112425-4912425-4924533(Top 92%)14052(Top 93%)14052(Top 627%)
Finish26.22 mi1.02 mi20496+4912389+3612389+3619645(Top 74%)11821(Top 78%)11821(Top 527%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19916

Males

12259

M40-44

12259

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20372

Males

12444

M40-44

12444

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19916

Males

12259

M40-44

12259

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20151

Males

12380

M40-44

12380

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21503

Males

12957

M40-44

12957

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19583

Males

12097

M40-44

12097

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20230

Males

12310

M40-44

12310

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19741

Males

11998

M40-44

11998

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19922

Males

12016

M40-44

12016

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22009

Males

12925

M40-44

12925

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21696

Males

12768

M40-44

12768

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21270

Males

12538

M40-44

12538

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19111

Males

11547

M40-44

11547

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24533

Males

14052

M40-44

14052

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19645

Males

11821

M40-44

11821

Passing Analysis

Category:
Athletes Passed
2062
Passed By
1057
Net Change
+1005
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21501
5K → 10K592100+492#21501#21009
10K → 15K42457+367#21009#20642
15K → 20K220112+108#20642#20534
20K → Half1267-55#20534#20589
Half → 25K20236+166#20589#20423
25K → 30K179128+51#20423#20372
30K → 20M10246+56#20372#20316
20M → 21M9249+43#20316#20273
21M → 35K2391-68#20273#20341
35K → 23M36136-100#20341#20441
23M → 24M2763-36#20441#20477
24M → 40K7714+63#20477#20414
40K → 25.2M6137-131#20414#20545
25.2M → Finish7021+49#20545#20496
TOTALS20621057+1005
📊

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