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BOSTON MARATHON 2023

Nicholas Fung

Bib: 1966•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:06
Rank: #1009
Start → 5K
19:06 | 6:09/mi
10K· 6.21 mi
38:07
Rank: #1040 (-31)
5K → 10K
19:01 | 6:07/mi
15K· 9.32 mi
57:17
Rank: #1070 (-30)
10K → 15K
19:10 | 6:10/mi
20K· 12.43 mi
1:16:45
Rank: #1093 (-23)
15K → 20K
19:28 | 6:16/mi
Half· 13.11 mi
1:20:55
Rank: #1088 (+5)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:36:09
Rank: #1093 (-5)
Half → 25K
15:14 | 6:17/mi
30K· 18.64 mi
1:56:05
Rank: #1107 (-14)
25K → 30K
19:56 | 6:25/mi
20M
2:05:00
Rank: #1122 (-15)
30K → 20M
8:55 | 6:34/mi
21M
2:11:48
Rank: #1114 (+8)
20M → 21M
6:48 | 6:48/mi
35K· 21.75 mi
2:16:31
Rank: #1111 (+3)
21M → 35K
4:43 | 6:18/mi
23M
2:24:48
Rank: #1135 (-24)
35K → 23M
8:17 | 6:37/mi
24M
2:31:16
Rank: #1154 (-19)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:37:04
Rank: #1180 (-26)
24M → 40K
5:48 | 6:47/mi
25.2M
2:39:38
Rank: #1213 (-33)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:46:35
Rank: #1271 (-58)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:55
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:25:40
Pace6:32 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2519:066:0919:06
6:09
-
10K
6.21 mi10:38:2638:076:0819:01
6:07
-0:02
15K
9.32 mi10:57:3657:176:0919:10
6:10
+0:03
20K
12.43 mi11:17:041:16:456:1119:28
6:16
+0:06
Half
13.11 mi11:21:141:20:556:104:10
6:06
-0:10
25K
15.53 mi11:36:281:36:096:1115:14
6:17
+0:11
30K
18.64 mi11:56:241:56:056:1419:56
6:25
+0:08
20M
20.00 mi12:05:192:05:006:158:55
6:34
+0:09
21M
21.00 mi12:12:072:11:486:176:48
6:48
+0:14
35K
21.75 mi12:16:502:16:316:174:43
6:18
-0:30
23M
23.00 mi12:25:072:24:486:188:17
6:37
+0:19
24M
24.00 mi12:31:352:31:166:186:28
6:28
-0:09
40K
24.85 mi12:37:232:37:046:195:48
6:47
+0:19
25.2M
25.20 mi12:39:572:39:386:202:34
7:27
+0:40
Finish
26.22 mi12:46:542:46:356:216:57
6:49
-0:38

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

6:06 /mi

Average Pace

6:21 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:27

37% of race

Time at Steady Pace

1:14:44

45% of race

Time at Slower Pace

30:24

18% of race

Average Pace: 6:21 /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 mi10:19:2519:066:0919:06
6:09
#1009
10K
6.21 mi10:38:2638:076:0819:01
6:07
#1040
15K
9.32 mi10:57:3657:176:0919:10
6:10
#1070
20K
12.43 mi11:17:041:16:456:1119:28
6:16
#1093
Half
13.11 mi11:21:141:20:556:104:10
6:06
#1088
25K
15.53 mi11:36:281:36:096:1115:14
6:17
#1093
30K
18.64 mi11:56:241:56:056:1419:56
6:25
#1107
20M
20.00 mi12:05:192:05:006:158:55
6:34
#1122
21M
21.00 mi12:12:072:11:486:176:48
6:48
#1114
35K
21.75 mi12:16:502:16:316:174:43
6:18
#1111
23M
23.00 mi12:25:072:24:486:188:17
6:37
#1135
24M
24.00 mi12:31:352:31:166:186:28
6:28
#1154
40K
24.85 mi12:37:232:37:046:195:48
6:47
#1180
25.2M
25.20 mi12:39:572:39:386:202:34
7:27
#1213
Finish
26.22 mi12:46:542:46:356:216:57
6:49
#1271
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10099539531145(Top 4%)1092(Top 7%)1092(Top 21%)
10K6.21 mi3.10 mi1040-31984-31984-311098(Top 4%)1041(Top 7%)1041(Top 20%)
15K9.32 mi3.11 mi1070-301014-301014-301145(Top 4%)1092(Top 7%)1092(Top 21%)
20K12.43 mi3.11 mi1093-231038-241038-241269(Top 5%)1214(Top 8%)1214(Top 23%)
Half13.11 mi0.68 mi1088+51033+51033+51055(Top 4%)1007(Top 7%)1007(Top 19%)
25K15.53 mi2.42 mi1093-51038-51038-51274(Top 5%)1217(Top 8%)1217(Top 23%)
30K18.64 mi3.11 mi1107-141055-171055-171262(Top 5%)1204(Top 8%)1204(Top 23%)
20M20.00 mi1.36 mi1122-151069-141069-141671(Top 6%)1594(Top 11%)1594(Top 30%)
21M21.00 mi1.00 mi1114+81061+81061+81392(Top 5%)1326(Top 9%)1326(Top 25%)
35K21.75 mi0.75 mi1111+31058+31058+31570(Top 6%)1490(Top 10%)1490(Top 28%)
23M23.00 mi1.25 mi1135-241083-251083-251810(Top 7%)1714(Top 11%)1714(Top 32%)
24M24.00 mi1.00 mi1154-191100-171100-171929(Top 7%)1810(Top 12%)1810(Top 34%)
40K24.85 mi0.85 mi1180-261126-261126-262710(Top 10%)2496(Top 16%)2496(Top 47%)
25.2M25.20 mi0.35 mi1213-331156-301156-303529(Top 13%)3157(Top 21%)3157(Top 60%)
Finish26.22 mi1.02 mi1271-581212-561212-564139(Top 16%)3643(Top 24%)3643(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1145

Males

1092

M18-39

1092

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1098

Males

1041

M18-39

1041

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1145

Males

1092

M18-39

1092

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1269

Males

1214

M18-39

1214

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1055

Males

1007

M18-39

1007

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1274

Males

1217

M18-39

1217

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1262

Males

1204

M18-39

1204

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1671

Males

1594

M18-39

1594

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1392

Males

1326

M18-39

1326

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1570

Males

1490

M18-39

1490

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1810

Males

1714

M18-39

1714

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1929

Males

1810

M18-39

1810

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2710

Males

2496

M18-39

2496

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3529

Males

3157

M18-39

3157

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4139

Males

3643

M18-39

3643

Passing Analysis

Category:
Athletes Passed
233
Passed By
495
Net Change
-262
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1009
5K → 10K4071-31#1009#1040
10K → 15K1949-30#1040#1070
15K → 20K1942-23#1070#1093
20K → Half105+5#1093#1088
Half → 25K2227-5#1088#1093
25K → 30K3347-14#1093#1107
30K → 20M1631-15#1107#1122
20M → 21M2517+8#1122#1114
21M → 35K118+3#1114#1111
35K → 23M1539-24#1111#1135
23M → 24M1130-19#1135#1154
24M → 40K733-26#1154#1180
40K → 25.2M235-33#1180#1213
25.2M → Finish361-58#1213#1271
TOTALS233495-262
📊

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