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BOSTON MARATHON 2023

Corinna Choun

Bib: 9443•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:02
Rank: #6837
Start → 5K
22:02 | 7:06/mi
10K· 6.21 mi
44:01
Rank: #7010 (-173)
5K → 10K
21:59 | 7:05/mi
15K· 9.32 mi
1:06:06
Rank: #7052 (-42)
10K → 15K
22:05 | 7:06/mi
20K· 12.43 mi
1:28:24
Rank: #7016 (+36)
15K → 20K
22:18 | 7:11/mi
Half· 13.11 mi
1:33:14
Rank: #7004 (+12)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:50:42
Rank: #6928 (+76)
Half → 25K
17:28 | 7:12/mi
30K· 18.64 mi
2:13:40
Rank: #6818 (+110)
25K → 30K
22:58 | 7:24/mi
20M
2:23:56
Rank: #6811 (+7)
30K → 20M
10:16 | 7:33/mi
21M
2:31:53
Rank: #6774 (+37)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:37:22
Rank: #6765 (+9)
21M → 35K
5:29 | 7:20/mi
23M
2:46:52
Rank: #6725 (+40)
35K → 23M
9:30 | 7:35/mi
24M
2:54:15
Rank: #6692 (+33)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
3:00:38
Rank: #6646 (+46)
24M → 40K
6:23 | 7:28/mi
25.2M
3:03:24
Rank: #6630 (+16)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:10:46
Rank: #6585 (+45)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:14
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:37:32
Pace7:26 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4122:027:0622:02
7:06
-
10K
6.21 mi11:09:4044:017:0521:59
7:05
-0:01
15K
9.32 mi11:31:451:06:067:0622:05
7:06
+0:01
20K
12.43 mi11:54:031:28:247:0722:18
7:11
+0:05
Half
13.11 mi11:58:531:33:147:074:50
7:05
-0:06
25K
15.53 mi12:16:211:50:427:0817:28
7:12
+0:07
30K
18.64 mi12:39:192:13:407:1022:58
7:24
+0:12
20M
20.00 mi12:49:352:23:567:1210:16
7:33
+0:09
21M
21.00 mi12:57:322:31:537:147:57
7:57
+0:24
35K
21.75 mi13:03:012:37:227:145:29
7:20
-0:37
23M
23.00 mi13:12:312:46:527:159:30
7:35
+0:15
24M
24.00 mi13:19:542:54:157:167:23
7:23
-0:12
40K
24.85 mi13:26:173:00:387:166:23
7:28
+0:05
25.2M
25.20 mi13:29:033:03:247:172:46
8:01
+0:33
Finish
26.22 mi13:36:253:10:467:177:22
7:14
-0:47

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

7:05 /mi

Average Pace

7:17 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:03

94% of race

Time at Steady Pace

10:43

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:17 /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 mi10:47:4122:027:0622:02
7:06
#6837
10K
6.21 mi11:09:4044:017:0521:59
7:05
#7010
15K
9.32 mi11:31:451:06:067:0622:05
7:06
#7052
20K
12.43 mi11:54:031:28:247:0722:18
7:11
#7016
Half
13.11 mi11:58:531:33:147:074:50
7:05
#7004
25K
15.53 mi12:16:211:50:427:0817:28
7:12
#6928
30K
18.64 mi12:39:192:13:407:1022:58
7:24
#6818
20M
20.00 mi12:49:352:23:567:1210:16
7:33
#6811
21M
21.00 mi12:57:322:31:537:147:57
7:57
#6774
35K
21.75 mi13:03:012:37:227:145:29
7:20
#6765
23M
23.00 mi13:12:312:46:527:159:30
7:35
#6725
24M
24.00 mi13:19:542:54:157:167:23
7:23
#6692
40K
24.85 mi13:26:173:00:387:166:23
7:28
#6646
25.2M
25.20 mi13:29:033:03:247:172:46
8:01
#6630
Finish
26.22 mi13:36:253:10:467:177:22
7:14
#6585
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi68376786787208(Top 27%)809(Top 7%)809(Top 17%)
10K6.21 mi3.10 mi7010-173737-59737-597296(Top 27%)835(Top 7%)835(Top 17%)
15K9.32 mi3.11 mi7052-42752-15752-157208(Top 27%)809(Top 7%)809(Top 17%)
20K12.43 mi3.11 mi7016+36743+9743+96970(Top 26%)774(Top 7%)774(Top 16%)
Half13.11 mi0.68 mi7004+12745-2745-27101(Top 27%)793(Top 7%)793(Top 16%)
25K15.53 mi2.42 mi6928+76732+13732+136706(Top 25%)765(Top 7%)765(Top 16%)
30K18.64 mi3.11 mi6818+110731+1731+16571(Top 25%)784(Top 7%)784(Top 16%)
20M20.00 mi1.36 mi6811+7742-11742-117193(Top 27%)1085(Top 9%)1085(Top 22%)
21M21.00 mi1.00 mi6774+377427427051(Top 26%)1146(Top 10%)1146(Top 23%)
35K21.75 mi0.75 mi6765+9749-7749-77350(Top 28%)1225(Top 11%)1225(Top 25%)
23M23.00 mi1.25 mi6725+40756-7756-77011(Top 26%)1172(Top 10%)1172(Top 24%)
24M24.00 mi1.00 mi6692+33764-8764-86949(Top 26%)1244(Top 11%)1244(Top 25%)
40K24.85 mi0.85 mi6646+46771-7771-76522(Top 24%)1158(Top 10%)1158(Top 24%)
25.2M25.20 mi0.35 mi6630+16775-4775-46694(Top 25%)1280(Top 11%)1280(Top 26%)
Finish26.22 mi1.02 mi6585+45774+1774+16638(Top 25%)1289(Top 11%)1289(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7208

Females

809

F18-39

809

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7296

Females

835

F18-39

835

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7208

Females

809

F18-39

809

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6970

Females

774

F18-39

774

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7101

Females

793

F18-39

793

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6706

Females

765

F18-39

765

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6571

Females

784

F18-39

784

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7193

Females

1085

F18-39

1085

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7051

Females

1146

F18-39

1146

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7350

Females

1225

F18-39

1225

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7011

Females

1172

F18-39

1172

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6949

Females

1244

F18-39

1244

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6522

Females

1158

F18-39

1158

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6694

Females

1280

F18-39

1280

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6638

Females

1289

F18-39

1289

Passing Analysis

Category:
Athletes Passed
1194
Passed By
942
Net Change
+252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6837
5K → 10K128301-173#6837#7010
10K → 15K113155-42#7010#7052
15K → 20K11478+36#7052#7016
20K → Half2513+12#7016#7004
Half → 25K11741+76#7004#6928
25K → 30K17363+110#6928#6818
30K → 20M6962+7#6818#6811
20M → 21M8043+37#6811#6774
21M → 35K4132+9#6774#6765
35K → 23M8444+40#6765#6725
23M → 24M6128+33#6725#6692
24M → 40K8236+46#6692#6646
40K → 25.2M3620+16#6646#6630
25.2M → Finish7126+45#6630#6585
TOTALS1194942+252
📊

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