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BOSTON MARATHON 2023

Ianiski Dos Santos Willian

Bib: 1612•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:17
Rank: #1153
Start → 5K
6:12/mi
19:17 split
10K· 6.21 mi
38:36
Rank: #1236 (-83)
5K → 10K
6:13/mi
19:19 split
15K· 9.32 mi
57:59
Rank: #1261 (-25)
10K → 15K
6:14/mi
19:23 split
20K· 12.43 mi
1:17:34
Rank: #1285 (-24)
15K → 20K
6:18/mi
19:35 split
Half· 13.11 mi
1:21:50
Rank: #1291 (-6)
20K → Half
6:15/mi
4:16 split
25K· 15.53 mi
1:37:36
Rank: #1406 (-115)
Half → 25K
6:30/mi
15:46 split
30K· 18.64 mi
1:58:05
Rank: #1481 (-75)
25K → 30K
6:36/mi
20:29 split
20M
2:07:40
Rank: #1625 (-144)
30K → 20M
7:03/mi
9:35 split
21M
2:16:21
Rank: #1964 (-339)
20M → 21M
8:41/mi
8:41 split
35K· 21.75 mi
2:21:43
Rank: #2090 (-126)
21M → 35K
7:10/mi
5:22 split
23M
2:30:47
Rank: #2212 (-122)
35K → 23M
7:14/mi
9:04 split
24M
2:38:09
Rank: #2344 (-132)
23M → 24M
7:22/mi
7:22 split
40K· 24.85 mi
2:44:14
Rank: #2370 (-26)
24M → 40K
7:07/mi
6:05 split
25.2M
2:47:00
Rank: #2405 (-35)
40K → 25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
2:54:15
Rank: #2522 (-117)
25.2M → Finish
7:07/mi
7:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:50
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:32:25
Pace7:03 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3619:176:1219:17
6:12
-
10K
6.21 mi10:38:5538:366:1319:19
6:13
+0:01
15K
9.32 mi10:58:1857:596:1319:23
6:14
+0:01
20K
12.43 mi11:17:531:17:346:1419:35
6:18
+0:04
Half
13.11 mi11:22:091:21:506:154:16
6:15
-0:03
25K
15.53 mi11:37:551:37:366:1715:46
6:30
+0:15
30K
18.64 mi11:58:241:58:056:2020:29
6:36
+0:06
20M
20.00 mi12:07:592:07:406:239:35
7:03
+0:27
21M
21.00 mi12:16:402:16:216:308:41
8:41
+1:38
35K
21.75 mi12:22:022:21:436:315:22
7:10
-1:31
23M
23.00 mi12:31:062:30:476:339:04
7:14
+0:04
24M
24.00 mi12:38:282:38:096:357:22
7:22
+0:08
40K
24.85 mi12:44:332:44:146:366:05
7:07
-0:15
25.2M
25.20 mi12:47:192:47:006:382:46
8:01
+0:54
Finish
26.22 mi12:54:342:54:156:397:15
7:07
-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

6:12 /mi

Average Pace

6:39 /mi

Slowest Pace

8:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:05

68% of race

Time at Steady Pace

44:43

26% of race

Time at Slower Pace

11:27

7% of race

Average Pace: 6:39 /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 mi10:19:3619:176:1219:17
6:12
#1153
10K
6.21 mi10:38:5538:366:1319:19
6:13
#1236
15K
9.32 mi10:58:1857:596:1319:23
6:14
#1261
20K
12.43 mi11:17:531:17:346:1419:35
6:18
#1285
Half
13.11 mi11:22:091:21:506:154:16
6:15
#1291
25K
15.53 mi11:37:551:37:366:1715:46
6:30
#1406
30K
18.64 mi11:58:241:58:056:2020:29
6:36
#1481
20M
20.00 mi12:07:592:07:406:239:35
7:03
#1625
21M
21.00 mi12:16:402:16:216:308:41
8:41
#1964
35K
21.75 mi12:22:022:21:436:315:22
7:10
#2090
23M
23.00 mi12:31:062:30:476:339:04
7:14
#2212
24M
24.00 mi12:38:282:38:096:357:22
7:22
#2344
40K
24.85 mi12:44:332:44:146:366:05
7:07
#2370
25.2M
25.20 mi12:47:192:47:006:382:46
8:01
#2405
Finish
26.22 mi12:54:342:54:156:397:15
7:07
#2522
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1153109110911388(Top 5%)1322(Top 9%)1322(Top 25%)
10K6.21 mi3.10 mi1236-831171-801171-801420(Top 5%)1355(Top 9%)1355(Top 26%)
15K9.32 mi3.11 mi1261-251198-271198-271388(Top 5%)1322(Top 9%)1322(Top 25%)
20K12.43 mi3.11 mi1285-241224-261224-261403(Top 5%)1341(Top 9%)1341(Top 25%)
Half13.11 mi0.68 mi1291-61229-51229-51628(Top 6%)1563(Top 10%)1563(Top 30%)
25K15.53 mi2.42 mi1406-1151343-1141343-1142186(Top 8%)2097(Top 14%)2097(Top 40%)
30K18.64 mi3.11 mi1481-751415-721415-721934(Top 7%)1850(Top 12%)1850(Top 35%)
20M20.00 mi1.36 mi1625-1441554-1391554-1394306(Top 16%)3966(Top 26%)3966(Top 75%)
21M21.00 mi1.00 mi1964-3391880-3261880-32611520(Top 43%)8339(Top 55%)8339(Top 158%)
35K21.75 mi0.75 mi2090-1262004-1242004-1246294(Top 24%)5422(Top 36%)5422(Top 103%)
23M23.00 mi1.25 mi2212-1222120-1162120-1164969(Top 19%)4439(Top 29%)4439(Top 84%)
24M24.00 mi1.00 mi2344-1322243-1232243-1236790(Top 26%)5579(Top 37%)5579(Top 106%)
40K24.85 mi0.85 mi2370-262267-242267-244413(Top 17%)3914(Top 26%)3914(Top 74%)
25.2M25.20 mi0.35 mi2405-352299-322299-326504(Top 24%)5230(Top 34%)5230(Top 99%)
Finish26.22 mi1.02 mi2522-1172405-1062405-1065866(Top 22%)4832(Top 32%)4832(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1388

Males

1322

M18-39

1322

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1420

Males

1355

M18-39

1355

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1388

Males

1322

M18-39

1322

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1403

Males

1341

M18-39

1341

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1628

Males

1563

M18-39

1563

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2186

Males

2097

M18-39

2097

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

1934

Males

1850

M18-39

1850

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4306

Males

3966

M18-39

3966

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11520

Males

8339

M18-39

8339

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6294

Males

5422

M18-39

5422

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

4969

Males

4439

M18-39

4439

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6790

Males

5579

M18-39

5579

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4413

Males

3914

M18-39

3914

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6504

Males

5230

M18-39

5230

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5866

Males

4832

M18-39

4832

Passing Analysis

Category:
Athletes Passed
191
Passed By
1560
Net Change
-1369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1153
5K → 10K29112-83#1153#1236
10K → 15K3257-25#1236#1261
15K → 20K3458-24#1261#1285
20K → Half511-6#1285#1291
Half → 25K10125-115#1291#1406
25K → 30K28103-75#1406#1481
30K → 20M1145-144#1481#1625
20M → 21M1340-339#1625#1964
21M → 35K2128-126#1964#2090
35K → 23M15137-122#2090#2212
23M → 24M6138-132#2212#2344
24M → 40K1743-26#2344#2370
40K → 25.2M338-35#2370#2405
25.2M → Finish8125-117#2405#2522
TOTALS1911560-1369
📊

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