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BOSTON MARATHON 2023

April Woo

KY

Bib: 9001 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 7%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F40-44)
#0 / 1878
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:02/mi
21:51
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:57/mi
43:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:01/mi
1:05:14
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:09/mi
1:27:28
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:07/mi
1:32:19
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:18/mi
1:50:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:32/mi
2:13:25
↑ 181↓ 1480.2%
138 ft elev
20M
7:36/mi
2:23:44
↑ 64↓ 500.2%
148 ft elev
21M
8:09/mi
2:31:53
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:20/mi
2:37:22
↑ 17↓ 861.7%
156 ft elev
23M
7:46/mi
2:47:05
↑ 23↓ 630.6%
116 ft elev
24M
7:31/mi
2:54:36
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:38/mi
3:01:08
↓ 200.3%
20 ft elev
25.2M
8:10/mi
3:03:57
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:31/mi
3:11:37
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:19
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:39:18
Pace7:34 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2221:517:0221:51
7:02
-
10K
6.21 mi11:08:5743:266:5921:35
6:57
-0:05
15K
9.32 mi11:30:451:05:147:0021:48
7:01
+0:04
20K
12.43 mi11:52:591:27:287:0222:14
7:09
+0:08
Half
13.11 mi11:57:501:32:197:034:51
7:07
-0:02
25K
15.53 mi12:15:311:50:007:0517:41
7:18
+0:11
30K
18.64 mi12:38:562:13:257:0923:25
7:32
+0:14
20M
20.00 mi12:49:152:23:447:1110:19
7:36
+0:04
21M
21.00 mi12:57:242:31:537:148:09
8:09
+0:33
35K
21.75 mi13:02:532:37:227:145:29
7:20
-0:49
23M
23.00 mi13:12:362:47:057:169:43
7:46
+0:26
24M
24.00 mi13:20:072:54:367:177:31
7:31
-0:15
40K
24.85 mi13:26:393:01:087:176:32
7:38
+0:07
25.2M
25.20 mi13:29:283:03:577:182:49
8:10
+0:32
Finish
26.22 mi13:37:083:11:377:197:40
7:31
-0:39

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

6:57 /mi

Average Pace

7:19 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:56

89% of race

Time at Steady Pace

20:41

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:47:2221:517:0221:51
7:02
#6470
10K
6.21 mi11:08:5743:266:5921:35
6:57
#6451
15K
9.32 mi11:30:451:05:147:0021:48
7:01
#6512
20K
12.43 mi11:52:591:27:287:0222:14
7:09
#6569
Half
13.11 mi11:57:501:32:197:034:51
7:07
#6610
25K
15.53 mi12:15:311:50:007:0517:41
7:18
#6673
30K
18.64 mi12:38:562:13:257:0923:25
7:32
#6735
20M
20.00 mi12:49:152:23:447:1110:19
7:36
#6751
21M
21.00 mi12:57:242:31:537:148:09
8:09
#6775
35K
21.75 mi13:02:532:37:227:145:29
7:20
#6766
23M
23.00 mi13:12:362:47:057:169:43
7:46
#6776
24M
24.00 mi13:20:072:54:367:177:31
7:31
#6784
40K
24.85 mi13:26:393:01:087:176:32
7:38
#6767
25.2M
25.20 mi13:29:283:03:577:182:49
8:10
#6760
Finish
26.22 mi13:37:083:11:377:197:40
7:31
#6809
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi64706006006678(Top 25%)676(Top 6%)676(Top 36%)
10K6.21 mi3.10 mi6451+19612-12612-126475(Top 24%)636(Top 6%)636(Top 34%)
15K9.32 mi3.11 mi6512-61627-15627-156678(Top 25%)676(Top 6%)676(Top 36%)
20K12.43 mi3.11 mi6569-57648-21648-216852(Top 26%)744(Top 7%)744(Top 40%)
Half13.11 mi0.68 mi6610-41663-15663-157275(Top 27%)841(Top 7%)841(Top 45%)
25K15.53 mi2.42 mi6673-63681-18681-187262(Top 27%)925(Top 8%)925(Top 49%)
30K18.64 mi3.11 mi6735-62709-28709-287480(Top 28%)1098(Top 10%)1098(Top 58%)
20M20.00 mi1.36 mi6751-16726-17726-177450(Top 28%)1189(Top 10%)1189(Top 63%)
21M21.00 mi1.00 mi6775-24743-17743-178317(Top 31%)1643(Top 14%)1643(Top 87%)
35K21.75 mi0.75 mi6766+9750-7750-77354(Top 28%)1229(Top 11%)1229(Top 65%)
23M23.00 mi1.25 mi6776-10773-23773-238160(Top 31%)1650(Top 14%)1650(Top 88%)
24M24.00 mi1.00 mi6784-8789-16789-167829(Top 29%)1604(Top 14%)1604(Top 85%)
40K24.85 mi0.85 mi6767+17808-19808-197582(Top 28%)1589(Top 14%)1589(Top 85%)
25.2M25.20 mi0.35 mi6760+7813-5813-57529(Top 28%)1599(Top 14%)1599(Top 85%)
Finish26.22 mi1.02 mi6809-49841-28841-288737(Top 33%)2117(Top 19%)2117(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6678

Females

676

F40-44

676

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6475

Females

636

F40-44

636

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6678

Females

676

F40-44

676

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6852

Females

744

F40-44

744

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7275

Females

841

F40-44

841

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7262

Females

925

F40-44

925

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7480

Females

1098

F40-44

1098

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7450

Females

1189

F40-44

1189

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8317

Females

1643

F40-44

1643

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7354

Females

1229

F40-44

1229

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8160

Females

1650

F40-44

1650

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7829

Females

1604

F40-44

1604

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7582

Females

1589

F40-44

1589

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7529

Females

1599

F40-44

1599

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8737

Females

2117

F40-44

2117

Passing Analysis

Category:
Athletes Passed
929
Passed By
1268
Net Change
-339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6470
5K → 10K193174+19#6470#6451
10K → 15K94155-61#6451#6512
15K → 20K86143-57#6512#6569
20K → Half950-41#6569#6610
Half → 25K60123-63#6610#6673
25K → 30K90152-62#6673#6735
30K → 20M6278-16#6735#6751
20M → 21M5579-24#6751#6775
21M → 35K4132+9#6775#6766
35K → 23M6474-10#6766#6776
23M → 24M5260-8#6776#6784
24M → 40K6245+17#6784#6767
40K → 25.2M2720+7#6767#6760
25.2M → Finish3483-49#6760#6809
TOTALS9291268-339
📊

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