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BOSTON MARATHON 2023

Danielle Larrow

Bib: 30086•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:12
Rank: #22716
Start → 5K
9:43/mi
30:12 split
10K· 6.21 mi
1:01:23
Rank: #23347 (-631)
5K → 10K
10:02/mi
31:11 split
15K· 9.32 mi
1:31:51
Rank: #23266 (+81)
10K → 15K
9:48/mi
30:28 split
20K· 12.43 mi
2:04:07
Rank: #23395 (-129)
15K → 20K
10:23/mi
32:16 split
Half· 13.11 mi
2:10:38
Rank: #23343 (+52)
20K → Half
9:33/mi
6:31 split
25K· 15.53 mi
2:34:25
Rank: #23050 (+293)
Half → 25K
9:49/mi
23:47 split
30K· 18.64 mi
3:06:44
Rank: #22832 (+218)
25K → 30K
10:24/mi
32:19 split
20M
3:20:19
Rank: #22678 (+154)
30K → 20M
10:00/mi
13:35 split
21M
3:31:26
Rank: #22584 (+94)
20M → 21M
11:07/mi
11:07 split
35K· 21.75 mi
3:38:49
Rank: #22516 (+68)
21M → 35K
9:52/mi
7:23 split
23M
3:51:21
Rank: #22385 (+131)
35K → 23M
10:01/mi
12:32 split
24M
4:01:17
Rank: #22322 (+63)
23M → 24M
9:56/mi
9:56 split
40K· 24.85 mi
4:09:51
Rank: #22240 (+82)
24M → 40K
10:01/mi
8:34 split
25.2M
4:13:28
Rank: #22194 (+46)
40K → 25.2M
10:29/mi
3:37 split
Finish· 26.22 mi
4:23:23
Rank: #22143 (+51)
25.2M → Finish
9:44/mi
9:55 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:38
Pace9:58 /mi
2nd Half
Distance13.11 mi
Time2:12:45
Pace10:08 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3030:129:4330:12
9:43
-
10K
6.21 mi12:25:411:01:239:5331:11
10:02
+0:19
15K
9.32 mi12:56:091:31:519:5130:28
9:48
-0:14
20K
12.43 mi13:28:252:04:079:5932:16
10:23
+0:35
Half
13.11 mi13:34:562:10:389:586:31
9:33
-0:50
25K
15.53 mi13:58:432:34:259:5623:47
9:49
+0:16
30K
18.64 mi14:31:023:06:4410:0132:19
10:24
+0:35
20M
20.00 mi14:44:373:20:1910:0113:35
10:00
-0:24
21M
21.00 mi14:55:443:31:2610:0411:07
11:07
+1:07
35K
21.75 mi15:03:073:38:4910:047:23
9:52
-1:15
23M
23.00 mi15:15:393:51:2110:0412:32
10:01
+0:09
24M
24.00 mi15:25:354:01:1710:039:56
9:56
-0:05
40K
24.85 mi15:34:094:09:5110:038:34
10:01
+0:05
25.2M
25.20 mi15:37:464:13:2810:033:37
10:29
+0:28
Finish
26.22 mi15:47:414:23:2310:039:55
9:44
-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

9:33 /mi

Average Pace

10:03 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:12:16

96% of race

Time at Steady Pace

11:07

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:03 /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 mi11:54:3030:129:4330:12
9:43
#22716
10K
6.21 mi12:25:411:01:239:5331:11
10:02
#23347
15K
9.32 mi12:56:091:31:519:5130:28
9:48
#23266
20K
12.43 mi13:28:252:04:079:5932:16
10:23
#23395
Half
13.11 mi13:34:562:10:389:586:31
9:33
#23343
25K
15.53 mi13:58:432:34:259:5623:47
9:49
#23050
30K
18.64 mi14:31:023:06:4410:0132:19
10:24
#22832
20M
20.00 mi14:44:373:20:1910:0113:35
10:00
#22678
21M
21.00 mi14:55:443:31:2610:0411:07
11:07
#22584
35K
21.75 mi15:03:073:38:4910:047:23
9:52
#22516
23M
23.00 mi15:15:393:51:2110:0412:32
10:01
#22385
24M
24.00 mi15:25:354:01:1710:039:56
9:56
#22322
40K
24.85 mi15:34:094:09:5110:038:34
10:01
#22240
25.2M
25.20 mi15:37:464:13:2810:033:37
10:29
#22194
Finish
26.22 mi15:47:414:23:2310:039:55
9:44
#22143
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi227169241924123067(Top 87%)9381(Top 82%)9381(Top 192%)
10K6.21 mi3.10 mi23347-6319549-3089549-30823772(Top 89%)9769(Top 86%)9769(Top 200%)
15K9.32 mi3.11 mi23266+819493+569493+5623067(Top 87%)9381(Top 82%)9381(Top 192%)
20K12.43 mi3.11 mi23395-1299552-599552-5923627(Top 89%)9699(Top 85%)9699(Top 199%)
Half13.11 mi0.68 mi23343+529527+259527+2522290(Top 84%)8944(Top 78%)8944(Top 183%)
25K15.53 mi2.42 mi23050+2939382+1459382+14521763(Top 82%)8709(Top 76%)8709(Top 178%)
30K18.64 mi3.11 mi22832+2189298+849298+8422007(Top 83%)8914(Top 78%)8914(Top 183%)
20M20.00 mi1.36 mi22678+1549232+669232+6620488(Top 77%)8130(Top 71%)8130(Top 166%)
21M21.00 mi1.00 mi22584+949185+479185+4721074(Top 79%)8502(Top 74%)8502(Top 174%)
35K21.75 mi0.75 mi22516+689151+349151+3420945(Top 79%)8469(Top 74%)8469(Top 173%)
23M23.00 mi1.25 mi22385+1319086+659086+6520035(Top 75%)7980(Top 70%)7980(Top 163%)
24M24.00 mi1.00 mi22322+639060+269060+2620616(Top 77%)8339(Top 73%)8339(Top 171%)
40K24.85 mi0.85 mi22240+829018+429018+4220046(Top 75%)8088(Top 71%)8088(Top 166%)
25.2M25.20 mi0.35 mi22194+468997+218997+2119134(Top 72%)7595(Top 66%)7595(Top 156%)
Finish26.22 mi1.02 mi22143+518983+148983+1420930(Top 79%)8522(Top 75%)8522(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23067

Females

9381

F18-39

9381

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23772

Females

9769

F18-39

9769

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23067

Females

9381

F18-39

9381

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23627

Females

9699

F18-39

9699

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22290

Females

8944

F18-39

8944

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21763

Females

8709

F18-39

8709

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22007

Females

8914

F18-39

8914

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20488

Females

8130

F18-39

8130

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21074

Females

8502

F18-39

8502

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20945

Females

8469

F18-39

8469

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

20035

Females

7980

F18-39

7980

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20616

Females

8339

F18-39

8339

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20046

Females

8088

F18-39

8088

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19134

Females

7595

F18-39

7595

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20930

Females

8522

F18-39

8522

Passing Analysis

Category:
Athletes Passed
1647
Passed By
1074
Net Change
+573
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22716
5K → 10K44675-631#22716#23347
10K → 15K17695+81#23347#23266
15K → 20K69198-129#23266#23395
20K → Half553+52#23395#23343
Half → 25K3029+293#23343#23050
25K → 30K24123+218#23050#22832
30K → 20M1595+154#22832#22678
20M → 21M11117+94#22678#22584
21M → 35K746+68#22584#22516
35K → 23M1387+131#22516#22385
23M → 24M7411+63#22385#22322
24M → 40K897+82#22322#22240
40K → 25.2M471+46#22240#22194
25.2M → Finish6817+51#22194#22143
TOTALS16471074+573
📊

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