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BOSTON MARATHON 2023

Xufeng Pan

Bib: 3547•M

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:30
Rank: #1354
Start → 5K
19:30 | 6:17/mi
10K· 6.21 mi
38:43
Rank: #1303 (+51)
5K → 10K
19:13 | 6:11/mi
15K· 9.32 mi
57:54
Rank: #1230 (+73)
10K → 15K
19:11 | 6:10/mi
20K· 12.43 mi
1:17:07
Rank: #1163 (+67)
15K → 20K
19:13 | 6:11/mi
Half· 13.11 mi
1:21:16
Rank: #1153 (+10)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:36:08
Rank: #1090 (+63)
Half → 25K
14:52 | 6:08/mi
30K· 18.64 mi
1:55:30
Rank: #1008 (+82)
25K → 30K
19:22 | 6:14/mi
20M
2:03:57
Rank: #968 (+40)
30K → 20M
8:27 | 6:13/mi
21M
2:10:31
Rank: #945 (+23)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:15:02
Rank: #936 (+9)
21M → 35K
4:31 | 6:02/mi
23M
2:22:55
Rank: #913 (+23)
35K → 23M
7:53 | 6:18/mi
24M
2:29:13
Rank: #903 (+10)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:34:36
Rank: #895 (+8)
24M → 40K
5:23 | 6:18/mi
25.2M
2:37:00
Rank: #897 (-2)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:43:28
Rank: #899 (-2)
25.2M → Finish
6:28 | 6:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:16
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:22:12
Pace6:16 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5419:306:1719:30
6:17
-
10K
6.21 mi10:40:0738:436:1419:13
6:11
-0:06
15K
9.32 mi10:59:1857:546:1319:11
6:10
-0:01
20K
12.43 mi11:18:311:17:076:1219:13
6:11
+0:01
Half
13.11 mi11:22:401:21:166:124:09
6:05
-0:06
25K
15.53 mi11:37:321:36:086:1114:52
6:08
+0:03
30K
18.64 mi11:56:541:55:306:1219:22
6:14
+0:06
20M
20.00 mi12:05:212:03:576:128:27
6:13
-0:01
21M
21.00 mi12:11:552:10:316:136:34
6:34
+0:21
35K
21.75 mi12:16:262:15:026:134:31
6:02
-0:32
23M
23.00 mi12:24:192:22:556:137:53
6:18
+0:16
24M
24.00 mi12:30:372:29:136:136:18
6:18
0:00
40K
24.85 mi12:36:002:34:366:135:23
6:18
0:00
25.2M
25.20 mi12:38:242:37:006:142:24
6:58
+0:40
Finish
26.22 mi12:44:522:43:286:146:28
6:21
-0:37

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

6:02 /mi

Average Pace

6:14 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:04

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:20:5419:306:1719:30
6:17
#1354
10K
6.21 mi10:40:0738:436:1419:13
6:11
#1303
15K
9.32 mi10:59:1857:546:1319:11
6:10
#1230
20K
12.43 mi11:18:311:17:076:1219:13
6:11
#1163
Half
13.11 mi11:22:401:21:166:124:09
6:05
#1153
25K
15.53 mi11:37:321:36:086:1114:52
6:08
#1090
30K
18.64 mi11:56:541:55:306:1219:22
6:14
#1008
20M
20.00 mi12:05:212:03:576:128:27
6:13
#968
21M
21.00 mi12:11:552:10:316:136:34
6:34
#945
35K
21.75 mi12:16:262:15:026:134:31
6:02
#936
23M
23.00 mi12:24:192:22:556:137:53
6:18
#913
24M
24.00 mi12:30:372:29:136:136:18
6:18
#903
40K
24.85 mi12:36:002:34:366:135:23
6:18
#895
25.2M
25.20 mi12:38:242:37:006:142:24
6:58
#897
Finish
26.22 mi12:44:522:43:286:146:28
6:21
#899
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1354128612861159(Top 4%)1105(Top 7%)1105(Top 21%)
10K6.21 mi3.10 mi1303+511238+481238+481280(Top 5%)1217(Top 8%)1217(Top 23%)
15K9.32 mi3.11 mi1230+731167+711167+711159(Top 4%)1105(Top 7%)1105(Top 21%)
20K12.43 mi3.11 mi1163+671107+601107+601011(Top 4%)961(Top 6%)961(Top 18%)
Half13.11 mi0.68 mi1153+101097+101097+10961(Top 4%)915(Top 6%)915(Top 17%)
25K15.53 mi2.42 mi1090+631035+621035+62819(Top 3%)776(Top 5%)776(Top 15%)
30K18.64 mi3.11 mi1008+82958+77958+77753(Top 3%)715(Top 5%)715(Top 14%)
20M20.00 mi1.36 mi968+40918+40918+40697(Top 3%)660(Top 4%)660(Top 12%)
21M21.00 mi1.00 mi945+23898+20898+20785(Top 3%)742(Top 5%)742(Top 14%)
35K21.75 mi0.75 mi936+9889+9889+9772(Top 3%)731(Top 5%)731(Top 14%)
23M23.00 mi1.25 mi913+23866+23866+23826(Top 3%)784(Top 5%)784(Top 15%)
24M24.00 mi1.00 mi903+10856+10856+101326(Top 5%)1254(Top 8%)1254(Top 24%)
40K24.85 mi0.85 mi895+8848+8848+8915(Top 3%)864(Top 6%)864(Top 16%)
25.2M25.20 mi0.35 mi897-2850-2850-21574(Top 6%)1480(Top 10%)1480(Top 28%)
Finish26.22 mi1.02 mi899-2853-3853-31781(Top 7%)1665(Top 11%)1665(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1159

Males

1105

M18-39

1105

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1280

Males

1217

M18-39

1217

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1159

Males

1105

M18-39

1105

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1011

Males

961

M18-39

961

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

961

Males

915

M18-39

915

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

819

Males

776

M18-39

776

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

753

Males

715

M18-39

715

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

697

Males

660

M18-39

660

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

785

Males

742

M18-39

742

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

772

Males

731

M18-39

731

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

826

Males

784

M18-39

784

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1326

Males

1254

M18-39

1254

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

915

Males

864

M18-39

864

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1574

Males

1480

M18-39

1480

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1781

Males

1665

M18-39

1665

Passing Analysis

Category:
Athletes Passed
590
Passed By
135
Net Change
+455
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1354
5K → 10K10150+51#1354#1303
10K → 15K8613+73#1303#1230
15K → 20K747+67#1230#1163
20K → Half111+10#1163#1153
Half → 25K630+63#1153#1090
25K → 30K908+82#1090#1008
30K → 20M444+40#1008#968
20M → 21M296+23#968#945
21M → 35K134+9#945#936
35K → 23M252+23#936#913
23M → 24M199+10#913#903
24M → 40K146+8#903#895
40K → 25.2M46-2#895#897
25.2M → Finish1719-2#897#899
TOTALS590135+455
📊

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