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BOSTON MARATHON 2023

Enchee Xu

Bib: 7592•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:07
Rank: #16912
Start → 5K
26:07 | 8:24/mi
10K· 6.21 mi
52:31
Rank: #17556 (-644)
5K → 10K
26:24 | 8:30/mi
15K· 9.32 mi
1:17:10
Rank: #16355 (+1201)
10K → 15K
24:39 | 7:56/mi
20K· 12.43 mi
1:42:28
Rank: #15883 (+472)
15K → 20K
25:18 | 8:09/mi
Half· 13.11 mi
1:47:32
Rank: #15612 (+271)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
2:07:28
Rank: #15386 (+226)
Half → 25K
19:56 | 8:13/mi
30K· 18.64 mi
2:33:57
Rank: #15184 (+202)
25K → 30K
26:29 | 8:31/mi
20M
2:44:50
Rank: #14850 (+334)
30K → 20M
10:53 | 8:01/mi
21M
2:53:19
Rank: #14569 (+281)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
3:00:22
Rank: #14802 (-233)
21M → 35K
7:03 | 9:25/mi
23M
3:10:34
Rank: #14569 (+233)
35K → 23M
10:12 | 8:09/mi
24M
3:18:43
Rank: #14444 (+125)
23M → 24M
8:09 | 8:09/mi
40K· 24.85 mi
3:27:48
Rank: #14847 (-403)
24M → 40K
9:05 | 10:37/mi
25.2M
3:31:11
Rank: #14874 (-27)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:39:39
Rank: #14845 (+29)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:32
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:52:07
Pace8:33 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:0826:078:2426:07
8:24
-
10K
6.21 mi10:57:3252:318:2726:24
8:30
+0:06
15K
9.32 mi11:22:111:17:108:1724:39
7:56
-0:34
20K
12.43 mi11:47:291:42:288:1525:18
8:09
+0:13
Half
13.11 mi11:52:331:47:328:125:04
7:26
-0:43
25K
15.53 mi12:12:292:07:288:1219:56
8:13
+0:47
30K
18.64 mi12:38:582:33:578:1626:29
8:31
+0:18
20M
20.00 mi12:49:512:44:508:1410:53
8:01
-0:30
21M
21.00 mi12:58:202:53:198:158:29
8:29
+0:28
35K
21.75 mi13:05:233:00:228:187:03
9:25
+0:56
23M
23.00 mi13:15:353:10:348:1710:12
8:09
-1:16
24M
24.00 mi13:23:443:18:438:178:09
8:09
0:00
40K
24.85 mi13:32:493:27:488:229:05
10:37
+2:28
25.2M
25.20 mi13:36:123:31:118:233:23
9:49
-0:48
Finish
26.22 mi13:44:403:39:398:238:28
8:19
-1:30

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

7:26 /mi

Average Pace

8:23 /mi

Slowest Pace

10:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:04

2% of race

Time at Steady Pace

3:15:04

89% of race

Time at Slower Pace

19:31

9% of race

Average Pace: 8:23 /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 mi10:31:0826:078:2426:07
8:24
#16912
10K
6.21 mi10:57:3252:318:2726:24
8:30
#17556
15K
9.32 mi11:22:111:17:108:1724:39
7:56
#16355
20K
12.43 mi11:47:291:42:288:1525:18
8:09
#15883
Half
13.11 mi11:52:331:47:328:125:04
7:26
#15612
25K
15.53 mi12:12:292:07:288:1219:56
8:13
#15386
30K
18.64 mi12:38:582:33:578:1626:29
8:31
#15184
20M
20.00 mi12:49:512:44:508:1410:53
8:01
#14850
21M
21.00 mi12:58:202:53:198:158:29
8:29
#14569
35K
21.75 mi13:05:233:00:228:187:03
9:25
#14802
23M
23.00 mi13:15:353:10:348:1710:12
8:09
#14569
24M
24.00 mi13:23:443:18:438:178:09
8:09
#14444
40K
24.85 mi13:32:493:27:488:229:05
10:37
#14847
25.2M
25.20 mi13:36:123:31:118:233:23
9:49
#14874
Finish
26.22 mi13:44:403:39:398:238:28
8:19
#14845
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16912110231102313846(Top 52%)9839(Top 65%)9839(Top 186%)
10K6.21 mi3.10 mi17556-64411275-25211275-25218219(Top 68%)11591(Top 76%)11591(Top 219%)
15K9.32 mi3.11 mi16355+120110832+44310832+44313846(Top 52%)9839(Top 65%)9839(Top 186%)
20K12.43 mi3.11 mi15883+47210632+20010632+20014541(Top 55%)10098(Top 67%)10098(Top 191%)
Half13.11 mi0.68 mi15612+27110527+10510527+1059631(Top 36%)7912(Top 52%)7912(Top 150%)
25K15.53 mi2.42 mi15386+22610413+11410413+11414383(Top 54%)9925(Top 65%)9925(Top 188%)
30K18.64 mi3.11 mi15184+20210289+12410289+12414462(Top 54%)9844(Top 65%)9844(Top 186%)
20M20.00 mi1.36 mi14850+33410161+12810161+12810327(Top 39%)7940(Top 52%)7940(Top 150%)
21M21.00 mi1.00 mi14569+28110018+14310018+14310394(Top 39%)7814(Top 51%)7814(Top 148%)
35K21.75 mi0.75 mi14802-23310099-8110099-8119595(Top 74%)11857(Top 78%)11857(Top 224%)
23M23.00 mi1.25 mi14569+2339984+1159984+11510807(Top 41%)7884(Top 52%)7884(Top 149%)
24M24.00 mi1.00 mi14444+1259906+789906+7812247(Top 46%)8520(Top 56%)8520(Top 161%)
40K24.85 mi0.85 mi14847-40310038-13210038-13221497(Top 81%)12576(Top 83%)12576(Top 238%)
25.2M25.20 mi0.35 mi14874-2710041-310041-316519(Top 62%)10331(Top 68%)10331(Top 195%)
Finish26.22 mi1.02 mi14845+2910010+3110010+3114144(Top 53%)9310(Top 61%)9310(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13846

Males

9839

M18-39

9839

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18219

Males

11591

M18-39

11591

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13846

Males

9839

M18-39

9839

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14541

Males

10098

M18-39

10098

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9631

Males

7912

M18-39

7912

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14383

Males

9925

M18-39

9925

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14462

Males

9844

M18-39

9844

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10327

Males

7940

M18-39

7940

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10394

Males

7814

M18-39

7814

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

19595

Males

11857

M18-39

11857

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10807

Males

7884

M18-39

7884

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12247

Males

8520

M18-39

8520

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21497

Males

12576

M18-39

12576

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16519

Males

10331

M18-39

10331

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14144

Males

9310

M18-39

9310

Passing Analysis

Category:
Athletes Passed
3759
Passed By
1692
Net Change
+2067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16912
5K → 10K111755-644#16912#17556
10K → 15K12109+1201#17556#16355
15K → 20K49220+472#16355#15883
20K → Half2710+271#15883#15612
Half → 25K26236+226#15612#15386
25K → 30K28078+202#15386#15184
30K → 20M3340+334#15184#14850
20M → 21M2854+281#14850#14569
21M → 35K14247-233#14569#14802
35K → 23M2374+233#14802#14569
23M → 24M14823+125#14569#14444
24M → 40K11414-403#14444#14847
40K → 25.2M2249-27#14847#14874
25.2M → Finish8253+29#14874#14845
TOTALS37591692+2067
📊

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