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BOSTON MARATHON 2023

Heather Willis

Bib: 14671•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
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
7:46/mi
24:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
48:12
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:12:01
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:35:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:41:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:59:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:24:03
↑ 181↓ 1480.2%
20M
7:52/mi
2:34:45
↑ 64↓ 500.2%
21M
8:19/mi
2:43:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:48:46
↑ 17↓ 861.7%
23M
7:46/mi
2:58:30
↑ 23↓ 630.6%
24M
7:39/mi
3:06:09
↓ 821.3%
40K· 24.85 mi
7:29/mi
3:12:33
↓ 200.3%
25.2M
7:56/mi
3:15:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:22:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:41:00
Pace7:42 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:28
Pace7:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2524:097:4624:09
7:46
-
10K
6.21 mi11:17:2848:127:4524:03
7:44
-0:02
15K
9.32 mi11:41:171:12:017:4423:49
7:40
-0:04
20K
12.43 mi12:05:111:35:557:4323:54
7:42
+0:02
Half
13.11 mi12:10:161:41:007:425:05
7:27
-0:15
25K
15.53 mi12:28:561:59:407:4218:40
7:42
+0:15
30K
18.64 mi12:53:192:24:037:4424:23
7:51
+0:09
20M
20.00 mi13:04:012:34:457:4410:42
7:52
+0:01
21M
21.00 mi13:12:202:43:047:468:19
8:19
+0:27
35K
21.75 mi13:18:022:48:467:465:42
7:37
-0:42
23M
23.00 mi13:27:462:58:307:469:44
7:46
+0:09
24M
24.00 mi13:35:253:06:097:457:39
7:39
-0:07
40K
24.85 mi13:41:493:12:337:456:24
7:29
-0:10
25.2M
25.20 mi13:44:333:15:177:452:44
7:56
+0:27
Finish
26.22 mi13:51:443:22:287:447:11
7:03
-0:53

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

7:03 /mi

Average Pace

7:44 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:27

60% of race

Time at Steady Pace

1:20:01

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi10:53:2524:097:4624:09
7:46
#12117
10K
6.21 mi11:17:2848:127:4524:03
7:44
#12340
15K
9.32 mi11:41:171:12:017:4423:49
7:40
#12025
20K
12.43 mi12:05:111:35:557:4323:54
7:42
#11672
Half
13.11 mi12:10:161:41:007:425:05
7:27
#11576
25K
15.53 mi12:28:561:59:407:4218:40
7:42
#11330
30K
18.64 mi12:53:192:24:037:4424:23
7:51
#10981
20M
20.00 mi13:04:012:34:457:4410:42
7:52
#10819
21M
21.00 mi13:12:202:43:047:468:19
8:19
#10733
35K
21.75 mi13:18:022:48:467:465:42
7:37
#10653
23M
23.00 mi13:27:462:58:307:469:44
7:46
#10483
24M
24.00 mi13:35:253:06:097:457:39
7:39
#10391
40K
24.85 mi13:41:493:12:337:456:24
7:29
#10204
25.2M
25.20 mi13:44:333:15:177:452:44
7:56
#10115
Finish
26.22 mi13:51:443:22:287:447:11
7:03
#9872
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121172930293011560(Top 43%)2658(Top 23%)2658(Top 54%)
10K6.21 mi3.10 mi12340-2233064-1343064-13412597(Top 47%)3200(Top 28%)3200(Top 66%)
15K9.32 mi3.11 mi12025+3152906+1582906+15811560(Top 43%)2658(Top 23%)2658(Top 54%)
20K12.43 mi3.11 mi11672+3532725+1812725+18110866(Top 41%)2341(Top 20%)2341(Top 48%)
Half13.11 mi0.68 mi11576+962668+572668+579890(Top 37%)1845(Top 16%)1845(Top 38%)
25K15.53 mi2.42 mi11330+2462551+1172551+11710297(Top 39%)2131(Top 19%)2131(Top 44%)
30K18.64 mi3.11 mi10981+3492394+1572394+1579738(Top 37%)2035(Top 18%)2035(Top 42%)
20M20.00 mi1.36 mi10819+1622340+542340+549415(Top 35%)1983(Top 17%)1983(Top 41%)
21M21.00 mi1.00 mi10733+862317+232317+239351(Top 35%)2076(Top 18%)2076(Top 43%)
35K21.75 mi0.75 mi10653+802302+152302+159437(Top 35%)2114(Top 19%)2114(Top 43%)
23M23.00 mi1.25 mi10483+1702240+622240+628264(Top 31%)1702(Top 15%)1702(Top 35%)
24M24.00 mi1.00 mi10391+922220+202220+208785(Top 33%)1997(Top 17%)1997(Top 41%)
40K24.85 mi0.85 mi10204+1872147+732147+736683(Top 25%)1249(Top 11%)1249(Top 26%)
25.2M25.20 mi0.35 mi10115+892119+282119+286182(Top 23%)1132(Top 10%)1132(Top 23%)
Finish26.22 mi1.02 mi9872+2432035+842035+845560(Top 21%)939(Top 8%)939(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11560

Females

2658

F18-39

2658

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12597

Females

3200

F18-39

3200

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11560

Females

2658

F18-39

2658

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10866

Females

2341

F18-39

2341

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9890

Females

1845

F18-39

1845

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10297

Females

2131

F18-39

2131

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9738

Females

2035

F18-39

2035

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9415

Females

1983

F18-39

1983

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9351

Females

2076

F18-39

2076

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9437

Females

2114

F18-39

2114

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8264

Females

1702

F18-39

1702

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8785

Females

1997

F18-39

1997

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6683

Females

1249

F18-39

1249

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6182

Females

1132

F18-39

1132

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5560

Females

939

F18-39

939

Passing Analysis

Category:
Athletes Passed
2965*
Passed By
720
Net Change
+2245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12117
5K → 10K213436-223#12117#12340
10K → 15K38469+315#12340#12025
15K → 20K39138+353#12025#11672
20K → Half971+96#11672#11576
Half → 25K26620+246#11576#11330
25K → 30K38334+349#11330#10981
30K → 20M183*21+162#10981#10819
20M → 21M11731+86#10819#10733
21M → 35K9919+80#10733#10653
35K → 23M18414+170#10653#10483
23M → 24M11422+92#10483#10391
24M → 40K1947+187#10391#10204
40K → 25.2M91*2+89#10204#10115
25.2M → Finish249*6+243#10115#9872
TOTALS2965*720+2245

* 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