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BOSTON MARATHON 2023

Annie Hu

Bib: 13081•F

ON

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
Top 50%
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
8:15/mi
25:38
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
51:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:16:18
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:41:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:46:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:06:37
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:32:17
↑ 181↓ 1480.2%
20M
8:03/mi
2:43:13
↑ 64↓ 500.2%
21M
8:12/mi
2:51:25
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:57:07
↑ 17↓ 861.7%
23M
7:54/mi
3:07:01
↑ 23↓ 630.6%
24M
7:51/mi
3:14:52
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:21:35
↓ 200.3%
25.2M
8:25/mi
3:24:29
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:32:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:44
Pace8:08 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:45:27
Pace8:03 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0525:388:1525:38
8:15
-
10K
6.21 mi11:20:0151:348:1825:56
8:21
+0:06
15K
9.32 mi11:44:451:16:188:1124:44
7:58
-0:23
20K
12.43 mi12:09:491:41:228:0925:04
8:04
+0:06
Half
13.11 mi12:15:111:46:448:085:22
7:52
-0:12
25K
15.53 mi12:35:042:06:378:0919:53
8:12
+0:20
30K
18.64 mi13:00:442:32:178:1025:40
8:16
+0:04
20M
20.00 mi13:11:402:43:138:1010:56
8:03
-0:13
21M
21.00 mi13:19:522:51:258:108:12
8:12
+0:09
35K
21.75 mi13:25:342:57:078:095:42
7:37
-0:35
23M
23.00 mi13:35:283:07:018:089:54
7:54
+0:17
24M
24.00 mi13:43:193:14:528:077:51
7:51
-0:03
40K
24.85 mi13:50:023:21:358:076:43
7:51
0:00
25.2M
25.20 mi13:52:563:24:298:072:54
8:25
+0:34
Finish
26.22 mi14:00:383:32:118:067:42
7:33
-0:52

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

7:33 /mi

Average Pace

8:06 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:21

86% of race

Time at Steady Pace

28:50

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi10:54:0525:388:1525:38
8:15
#15813
10K
6.21 mi11:20:0151:348:1825:56
8:21
#16491
15K
9.32 mi11:44:451:16:188:1124:44
7:58
#15720
20K
12.43 mi12:09:491:41:228:0925:04
8:04
#15297
Half
13.11 mi12:15:111:46:448:085:22
7:52
#15189
25K
15.53 mi12:35:042:06:378:0919:53
8:12
#14996
30K
18.64 mi13:00:442:32:178:1025:40
8:16
#14587
20M
20.00 mi13:11:402:43:138:1010:56
8:03
#14287
21M
21.00 mi13:19:522:51:258:108:12
8:12
#13934
35K
21.75 mi13:25:342:57:078:095:42
7:37
#13752
23M
23.00 mi13:35:283:07:018:089:54
7:54
#13451
24M
24.00 mi13:43:193:14:528:077:51
7:51
#13264
40K
24.85 mi13:50:023:21:358:076:43
7:51
#13077
25.2M
25.20 mi13:52:563:24:298:072:54
8:25
#13014
Finish
26.22 mi14:00:383:32:118:067:42
7:33
#12853
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi158135157515714076(Top 53%)4126(Top 36%)4126(Top 84%)
10K6.21 mi3.10 mi16491-6785571-4145571-41417222(Top 65%)6011(Top 53%)6011(Top 123%)
15K9.32 mi3.11 mi15720+7715105+4665105+46614076(Top 53%)4126(Top 36%)4126(Top 84%)
20K12.43 mi3.11 mi15297+4234869+2364869+23613996(Top 53%)4103(Top 36%)4103(Top 84%)
Half13.11 mi0.68 mi15189+1084802+674802+6713363(Top 50%)3712(Top 32%)3712(Top 76%)
25K15.53 mi2.42 mi14996+1934707+954707+9514239(Top 53%)4353(Top 38%)4353(Top 89%)
30K18.64 mi3.11 mi14587+4094490+2174490+21712769(Top 48%)3619(Top 32%)3619(Top 74%)
20M20.00 mi1.36 mi14287+3004350+1404350+14010642(Top 40%)2568(Top 22%)2568(Top 53%)
21M21.00 mi1.00 mi13934+3534138+2124138+2128653(Top 33%)1782(Top 16%)1782(Top 36%)
35K21.75 mi0.75 mi13752+1824041+974041+979472(Top 36%)2149(Top 19%)2149(Top 44%)
23M23.00 mi1.25 mi13451+3013889+1523889+1529159(Top 34%)2122(Top 19%)2122(Top 43%)
24M24.00 mi1.00 mi13264+1873796+933796+9310200(Top 38%)2693(Top 24%)2693(Top 55%)
40K24.85 mi0.85 mi13077+1873720+763720+769100(Top 34%)2232(Top 20%)2232(Top 46%)
25.2M25.20 mi0.35 mi13014+633694+263694+269085(Top 34%)2311(Top 20%)2311(Top 47%)
Finish26.22 mi1.02 mi12853+1613616+783616+789016(Top 34%)2267(Top 20%)2267(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14076

Females

4126

F18-39

4126

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17222

Females

6011

F18-39

6011

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14076

Females

4126

F18-39

4126

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

13996

Females

4103

F18-39

4103

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13363

Females

3712

F18-39

3712

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14239

Females

4353

F18-39

4353

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12769

Females

3619

F18-39

3619

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10642

Females

2568

F18-39

2568

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8653

Females

1782

F18-39

1782

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9472

Females

2149

F18-39

2149

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9159

Females

2122

F18-39

2122

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10200

Females

2693

F18-39

2693

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9100

Females

2232

F18-39

2232

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9085

Females

2311

F18-39

2311

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9016

Females

2267

F18-39

2267

Passing Analysis

Category:
Athletes Passed
3887
Passed By
927
Net Change
+2960
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15813
5K → 10K101779-678#15813#16491
10K → 15K79322+771#16491#15720
15K → 20K44926+423#15720#15297
20K → Half1102+108#15297#15189
Half → 25K23845+193#15189#14996
25K → 30K43122+409#14996#14587
30K → 20M3022+300#14587#14287
20M → 21M3563+353#14287#13934
21M → 35K1842+182#13934#13752
35K → 23M3087+301#13752#13451
23M → 24M1936+187#13451#13264
24M → 40K1892+187#13264#13077
40K → 25.2M674+63#13077#13014
25.2M → Finish1665+161#13014#12853
TOTALS3887927+2960
📊

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