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BOSTON MARATHON 2023

Nik Fiala

Bib: 4194•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:26
Rank: #1278
Start → 5K
19:26 | 6:15/mi
10K· 6.21 mi
38:32
Rank: #1207 (+71)
5K → 10K
19:06 | 6:09/mi
15K· 9.32 mi
57:43
Rank: #1174 (+33)
10K → 15K
19:11 | 6:10/mi
20K· 12.43 mi
1:17:11
Rank: #1187 (-13)
15K → 20K
19:28 | 6:16/mi
Half· 13.11 mi
1:21:24
Rank: #1185 (+2)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:36:38
Rank: #1187 (-2)
Half → 25K
15:14 | 6:17/mi
30K· 18.64 mi
1:56:45
Rank: #1211 (-24)
25K → 30K
20:07 | 6:28/mi
20M
2:05:48
Rank: #1248 (-37)
30K → 20M
9:03 | 6:40/mi
21M
2:12:43
Rank: #1268 (-20)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:17:33
Rank: #1291 (-23)
21M → 35K
4:50 | 6:28/mi
23M
2:25:58
Rank: #1321 (-30)
35K → 23M
8:25 | 6:43/mi
24M
2:32:37
Rank: #1351 (-30)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:38:15
Rank: #1355 (-4)
24M → 40K
5:38 | 6:35/mi
25.2M
2:40:40
Rank: #1354 (+1)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:47:26
Rank: #1395 (-41)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:24
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:26:02
Pace6:34 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1619:266:1519:26
6:15
-
10K
6.21 mi10:40:2238:326:1219:06
6:09
-0:06
15K
9.32 mi10:59:3357:436:1219:11
6:10
+0:01
20K
12.43 mi11:19:011:17:116:1319:28
6:16
+0:06
Half
13.11 mi11:23:141:21:246:134:13
6:11
-0:05
25K
15.53 mi11:38:281:36:386:1315:14
6:17
+0:06
30K
18.64 mi11:58:351:56:456:1620:07
6:28
+0:11
20M
20.00 mi12:07:382:05:486:179:03
6:40
+0:12
21M
21.00 mi12:14:332:12:436:196:55
6:55
+0:15
35K
21.75 mi12:19:232:17:336:194:50
6:28
-0:27
23M
23.00 mi12:27:482:25:586:218:25
6:43
+0:15
24M
24.00 mi12:34:272:32:376:226:39
6:39
-0:04
40K
24.85 mi12:40:052:38:156:225:38
6:35
-0:04
25.2M
25.20 mi12:42:302:40:406:232:25
7:00
+0:25
Finish
26.22 mi12:49:162:47:266:236:46
6:38
-0:22

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

6:09 /mi

Average Pace

6:23 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:06

94% of race

Time at Steady Pace

9:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /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 mi10:21:1619:266:1519:26
6:15
#1278
10K
6.21 mi10:40:2238:326:1219:06
6:09
#1207
15K
9.32 mi10:59:3357:436:1219:11
6:10
#1174
20K
12.43 mi11:19:011:17:116:1319:28
6:16
#1187
Half
13.11 mi11:23:141:21:246:134:13
6:11
#1185
25K
15.53 mi11:38:281:36:386:1315:14
6:17
#1187
30K
18.64 mi11:58:351:56:456:1620:07
6:28
#1211
20M
20.00 mi12:07:382:05:486:179:03
6:40
#1248
21M
21.00 mi12:14:332:12:436:196:55
6:55
#1268
35K
21.75 mi12:19:232:17:336:194:50
6:28
#1291
23M
23.00 mi12:27:482:25:586:218:25
6:43
#1321
24M
24.00 mi12:34:272:32:376:226:39
6:39
#1351
40K
24.85 mi12:40:052:38:156:225:38
6:35
#1355
25.2M
25.20 mi12:42:302:40:406:232:25
7:00
#1354
Finish
26.22 mi12:49:162:47:266:236:46
6:38
#1395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1278121212121166(Top 4%)1112(Top 7%)1112(Top 21%)
10K6.21 mi3.10 mi1207+711144+681144+681170(Top 4%)1110(Top 7%)1110(Top 21%)
15K9.32 mi3.11 mi1174+331114+301114+301166(Top 4%)1112(Top 7%)1112(Top 21%)
20K12.43 mi3.11 mi1187-131130-161130-161272(Top 5%)1217(Top 8%)1217(Top 23%)
Half13.11 mi0.68 mi1185+21128+21128+21297(Top 5%)1245(Top 8%)1245(Top 24%)
25K15.53 mi2.42 mi1187-21132-41132-41276(Top 5%)1219(Top 8%)1219(Top 23%)
30K18.64 mi3.11 mi1211-241156-241156-241473(Top 6%)1409(Top 9%)1409(Top 27%)
20M20.00 mi1.36 mi1248-371192-361192-362092(Top 8%)1993(Top 13%)1993(Top 38%)
21M21.00 mi1.00 mi1268-201212-201212-201802(Top 7%)1714(Top 11%)1714(Top 32%)
35K21.75 mi0.75 mi1291-231232-201232-202189(Top 8%)2076(Top 14%)2076(Top 39%)
23M23.00 mi1.25 mi1321-301260-281260-282238(Top 8%)2109(Top 14%)2109(Top 40%)
24M24.00 mi1.00 mi1351-301288-281288-282802(Top 11%)2603(Top 17%)2603(Top 49%)
40K24.85 mi0.85 mi1355-41292-41292-41848(Top 7%)1739(Top 11%)1739(Top 33%)
25.2M25.20 mi0.35 mi1354+11290+21290+21732(Top 7%)1625(Top 11%)1625(Top 31%)
Finish26.22 mi1.02 mi1395-411329-391329-393164(Top 12%)2841(Top 19%)2841(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1166

Males

1112

M18-39

1112

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1170

Males

1110

M18-39

1110

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1166

Males

1112

M18-39

1112

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1272

Males

1217

M18-39

1217

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1297

Males

1245

M18-39

1245

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1276

Males

1219

M18-39

1219

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1473

Males

1409

M18-39

1409

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2092

Males

1993

M18-39

1993

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1802

Males

1714

M18-39

1714

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2189

Males

2076

M18-39

2076

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2238

Males

2109

M18-39

2109

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2802

Males

2603

M18-39

2603

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1848

Males

1739

M18-39

1739

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1732

Males

1625

M18-39

1625

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3164

Males

2841

M18-39

2841

Passing Analysis

Category:
Athletes Passed
355
Passed By
472
Net Change
-117
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1278
5K → 10K10837+71#1278#1207
10K → 15K5320+33#1207#1174
15K → 20K2841-13#1174#1187
20K → Half53+2#1187#1185
Half → 25K2325-2#1185#1187
25K → 30K3458-24#1187#1211
30K → 20M946-37#1211#1248
20M → 21M1333-20#1248#1268
21M → 35K1235-23#1268#1291
35K → 23M1949-30#1291#1321
23M → 24M1444-30#1321#1351
24M → 40K1418-4#1351#1355
40K → 25.2M109+1#1355#1354
25.2M → Finish1354-41#1354#1395
TOTALS355472-117
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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