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BOSTON MARATHON 2023

Beth Huang

Bib: 15243•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:55/mi
24:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
48:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:11:43
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:35:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:40:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:58:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:22:21
↑ 181↓ 1480.2%
20M
7:39/mi
2:32:45
↑ 64↓ 500.2%
21M
7:56/mi
2:40:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:46:20
↑ 17↓ 861.7%
23M
7:34/mi
2:55:49
↑ 23↓ 630.6%
24M
7:25/mi
3:03:14
↓ 821.3%
40K· 24.85 mi
7:14/mi
3:09:25
↓ 200.3%
25.2M
7:44/mi
3:12:05
↑ 13↓ 160.2%
Finish· 26.22 mi
7:00/mi
3:19:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:20
Pace7:39 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:53
Pace7:33 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1424:377:5524:37
7:55
-
10K
6.21 mi11:18:5148:147:4623:37
7:36
-0:19
15K
9.32 mi11:42:201:11:437:4223:29
7:34
-0:02
20K
12.43 mi12:05:511:35:147:4023:31
7:34
0:00
Half
13.11 mi12:10:571:40:207:395:06
7:29
-0:05
25K
15.53 mi12:29:121:58:357:3818:15
7:32
+0:03
30K
18.64 mi12:52:582:22:217:3823:46
7:39
+0:07
20M
20.00 mi13:03:222:32:457:3810:24
7:39
0:00
21M
21.00 mi13:11:182:40:417:397:56
7:56
+0:17
35K
21.75 mi13:16:572:46:207:395:39
7:33
-0:23
23M
23.00 mi13:26:262:55:497:399:29
7:34
+0:01
24M
24.00 mi13:33:513:03:147:387:25
7:25
-0:09
40K
24.85 mi13:40:023:09:257:376:11
7:14
-0:11
25.2M
25.20 mi13:42:423:12:057:372:40
7:44
+0:30
Finish
26.22 mi13:49:503:19:137:367:08
7:00
-0:44

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

7:00 /mi

Average Pace

7:36 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:00

82% of race

Time at Steady Pace

35:13

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:55:1424:377:5524:37
7:55
#13456
10K
6.21 mi11:18:5148:147:4623:37
7:36
#12376
15K
9.32 mi11:42:201:11:437:4223:29
7:34
#11731
20K
12.43 mi12:05:511:35:147:4023:31
7:34
#11214
Half
13.11 mi12:10:571:40:207:395:06
7:29
#11148
25K
15.53 mi12:29:121:58:357:3818:15
7:32
#10760
30K
18.64 mi12:52:582:22:217:3823:46
7:39
#10258
20M
20.00 mi13:03:222:32:457:3810:24
7:39
#10050
21M
21.00 mi13:11:182:40:417:397:56
7:56
#9816
35K
21.75 mi13:16:572:46:207:395:39
7:33
#9781
23M
23.00 mi13:26:262:55:497:399:29
7:34
#9562
24M
24.00 mi13:33:513:03:147:387:25
7:25
#9441
40K
24.85 mi13:40:023:09:257:376:11
7:14
#9212
25.2M
25.20 mi13:42:423:12:057:372:40
7:44
#9144
Finish
26.22 mi13:49:503:19:137:367:08
7:00
#8946
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134563683368310658(Top 40%)2159(Top 19%)2159(Top 44%)
10K6.21 mi3.10 mi12376+10803087+5963087+59611350(Top 43%)2518(Top 22%)2518(Top 52%)
15K9.32 mi3.11 mi11731+6452746+3412746+34110658(Top 40%)2159(Top 19%)2159(Top 44%)
20K12.43 mi3.11 mi11214+5172445+3012445+3019857(Top 37%)1848(Top 16%)1848(Top 38%)
Half13.11 mi0.68 mi11148+662412+332412+3310062(Top 38%)1898(Top 17%)1898(Top 39%)
25K15.53 mi2.42 mi10760+3882229+1832229+1838990(Top 34%)1550(Top 14%)1550(Top 32%)
30K18.64 mi3.11 mi10258+5022027+2022027+2028308(Top 31%)1432(Top 13%)1432(Top 29%)
20M20.00 mi1.36 mi10050+2081945+821945+827868(Top 30%)1356(Top 12%)1356(Top 28%)
21M21.00 mi1.00 mi9816+2341858+871858+876961(Top 26%)1121(Top 10%)1121(Top 23%)
35K21.75 mi0.75 mi9781+351859-11859-18950(Top 34%)1887(Top 17%)1887(Top 39%)
23M23.00 mi1.25 mi9562+2191794+651794+656948(Top 26%)1160(Top 10%)1160(Top 24%)
24M24.00 mi1.00 mi9441+1211773+211773+217200(Top 27%)1370(Top 12%)1370(Top 28%)
40K24.85 mi0.85 mi9212+2291707+661707+665104(Top 19%)697(Top 6%)697(Top 14%)
25.2M25.20 mi0.35 mi9144+681685+221685+225152(Top 19%)797(Top 7%)797(Top 16%)
Finish26.22 mi1.02 mi8946+1981618+671618+675249(Top 20%)809(Top 7%)809(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10658

Females

2159

F18-39

2159

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11350

Females

2518

F18-39

2518

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10658

Females

2159

F18-39

2159

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9857

Females

1848

F18-39

1848

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10062

Females

1898

F18-39

1898

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8990

Females

1550

F18-39

1550

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8308

Females

1432

F18-39

1432

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

7868

Females

1356

F18-39

1356

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6961

Females

1121

F18-39

1121

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8950

Females

1887

F18-39

1887

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6948

Females

1160

F18-39

1160

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7200

Females

1370

F18-39

1370

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5104

Females

697

F18-39

697

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5152

Females

797

F18-39

797

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5249

Females

809

F18-39

809

Passing Analysis

Category:
Athletes Passed
4686*
Passed By
176
Net Change
+4510
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13456
5K → 10K113757+1080#13456#12376
10K → 15K66823+645#12376#11731
15K → 20K52811+517#11731#11214
20K → Half682+66#11214#11148
Half → 25K3935+388#11148#10760
25K → 30K510*8+502#10760#10258
30K → 20M218*10+208#10258#10050
20M → 21M238*4+234#10050#9816
21M → 35K6227+35#9816#9781
35K → 23M23011+219#9781#9562
23M → 24M13514+121#9562#9441
24M → 40K2290+229#9441#9212
40K → 25.2M680+68#9212#9144
25.2M → Finish2024+198#9144#8946
TOTALS4686*176+4510

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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