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BOSTON MARATHON 2023

Whitney Dutton

Bib: 16128•F

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0:00
/ mi
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Overall
#0 / 26622
Top 41%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
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
7:49/mi
24:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:11:45
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:35:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:41:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:59:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:54/mi
2:24:17
↑ 181↓ 1480.2%
20M
8:03/mi
2:35:13
↑ 64↓ 500.2%
21M
8:37/mi
2:43:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:49:52
↑ 17↓ 861.7%
23M
8:08/mi
3:00:03
↑ 23↓ 630.6%
24M
8:03/mi
3:08:06
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:15:02
↓ 200.3%
25.2M
8:45/mi
3:18:03
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:26:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:01
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:45:11
Pace8:01 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3824:177:4924:17
7:49
-
10K
6.21 mi11:38:2047:597:4323:42
7:38
-0:11
15K
9.32 mi12:02:061:11:457:4223:46
7:39
+0:01
20K
12.43 mi12:26:101:35:497:4324:04
7:45
+0:06
Half
13.11 mi12:31:221:41:017:425:12
7:37
-0:08
25K
15.53 mi12:50:061:59:457:4318:44
7:44
+0:07
30K
18.64 mi13:14:382:24:177:4424:32
7:54
+0:10
20M
20.00 mi13:25:342:35:137:4610:56
8:03
+0:09
21M
21.00 mi13:34:112:43:507:488:37
8:37
+0:34
35K
21.75 mi13:40:132:49:527:496:02
8:04
-0:33
23M
23.00 mi13:50:243:00:037:5010:11
8:08
+0:04
24M
24.00 mi13:58:273:08:067:508:03
8:03
-0:05
40K
24.85 mi14:05:233:15:027:516:56
8:07
+0:04
25.2M
25.20 mi14:08:243:18:037:523:01
8:45
+0:38
Finish
26.22 mi14:16:333:26:127:528:09
8:00
-0:45

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

7:37 /mi

Average Pace

7:52 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:34

94% of race

Time at Steady Pace

11:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi11:14:3824:177:4924:17
7:49
#12510
10K
6.21 mi11:38:2047:597:4323:42
7:38
#12034
15K
9.32 mi12:02:061:11:457:4223:46
7:39
#11764
20K
12.43 mi12:26:101:35:497:4324:04
7:45
#11613
Half
13.11 mi12:31:221:41:017:425:12
7:37
#11589
25K
15.53 mi12:50:061:59:457:4318:44
7:44
#11383
30K
18.64 mi13:14:382:24:177:4424:32
7:54
#11089
20M
20.00 mi13:25:342:35:137:4610:56
8:03
#11029
21M
21.00 mi13:34:112:43:507:488:37
8:37
#11018
35K
21.75 mi13:40:132:49:527:496:02
8:04
#11083
23M
23.00 mi13:50:243:00:037:5010:11
8:08
#11023
24M
24.00 mi13:58:273:08:067:508:03
8:03
#11043
40K
24.85 mi14:05:233:15:027:516:56
8:07
#11024
25.2M
25.20 mi14:08:243:18:037:523:01
8:45
#11002
Finish
26.22 mi14:16:333:26:127:528:09
8:00
#11038
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi125103163316311424(Top 43%)2581(Top 23%)2581(Top 53%)
10K6.21 mi3.10 mi12034+4762883+2802883+28011597(Top 44%)2652(Top 23%)2652(Top 54%)
15K9.32 mi3.11 mi11764+2702764+1192764+11911424(Top 43%)2581(Top 23%)2581(Top 53%)
20K12.43 mi3.11 mi11613+1512689+752689+7511284(Top 42%)2564(Top 22%)2564(Top 52%)
Half13.11 mi0.68 mi11589+242678+112678+1111273(Top 42%)2504(Top 22%)2504(Top 51%)
25K15.53 mi2.42 mi11383+2062580+982580+9810525(Top 40%)2248(Top 20%)2248(Top 46%)
30K18.64 mi3.11 mi11089+2942452+1282452+12810131(Top 38%)2230(Top 20%)2230(Top 46%)
20M20.00 mi1.36 mi11029+602453-12453-110614(Top 40%)2540(Top 22%)2540(Top 52%)
21M21.00 mi1.00 mi11018+112471-182471-1811171(Top 42%)2953(Top 26%)2953(Top 60%)
35K21.75 mi0.75 mi11083-652510-392510-3912582(Top 47%)3743(Top 33%)3743(Top 77%)
23M23.00 mi1.25 mi11023+602506+42506+410734(Top 40%)2889(Top 25%)2889(Top 59%)
24M24.00 mi1.00 mi11043-202549-432549-4311595(Top 44%)3373(Top 30%)3373(Top 69%)
40K24.85 mi0.85 mi11024+192567-182567-1810786(Top 41%)3034(Top 27%)3034(Top 62%)
25.2M25.20 mi0.35 mi11002+222569-22569-211067(Top 42%)3225(Top 28%)3225(Top 66%)
Finish26.22 mi1.02 mi11038-362613-442613-4412135(Top 46%)3764(Top 33%)3764(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11424

Females

2581

F18-39

2581

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11597

Females

2652

F18-39

2652

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11424

Females

2581

F18-39

2581

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11284

Females

2564

F18-39

2564

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11273

Females

2504

F18-39

2504

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10525

Females

2248

F18-39

2248

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10131

Females

2230

F18-39

2230

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10614

Females

2540

F18-39

2540

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11171

Females

2953

F18-39

2953

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12582

Females

3743

F18-39

3743

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10734

Females

2889

F18-39

2889

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11595

Females

3373

F18-39

3373

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10786

Females

3034

F18-39

3034

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11067

Females

3225

F18-39

3225

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12135

Females

3764

F18-39

3764

Passing Analysis

Category:
Athletes Passed
2411*
Passed By
939
Net Change
+1472
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12510
5K → 10K610134+476#12510#12034
10K → 15K35080+270#12034#11764
15K → 20K23786+151#11764#11613
20K → Half4521+24#11613#11589
Half → 25K23428+206#11589#11383
25K → 30K34854+294#11383#11089
30K → 20M123*63+60#11089#11029
20M → 21M8069+11#11029#11018
21M → 35K2792-65#11018#11083
35K → 23M12161+60#11083#11023
23M → 24M6484-20#11023#11043
24M → 40K7556+19#11043#11024
40K → 25.2M4119+22#11024#11002
25.2M → Finish5692-36#11002#11038
TOTALS2411*939+1472

* 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