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BOSTON MARATHON 2023

Audrey Holtzman

Bib: 15352•F

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Division (F18-39)
#0 / 4884
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
7:59/mi
24:48
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
49:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:15:32
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:41:37
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:47:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:07:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:35:22
↑ 181↓ 1480.2%
20M
9:04/mi
2:47:41
↑ 64↓ 500.2%
21M
9:27/mi
2:57:08
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
3:03:22
↑ 17↓ 861.7%
23M
8:38/mi
3:14:10
↑ 23↓ 630.6%
24M
8:19/mi
3:22:29
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:29:54
↓ 200.3%
25.2M
9:08/mi
3:33:03
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:41:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:13
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:54:20
Pace8:43 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3624:487:5924:48
7:59
-
10K
6.21 mi11:20:4449:568:0225:08
8:05
+0:06
15K
9.32 mi11:46:201:15:328:0625:36
8:14
+0:09
20K
12.43 mi12:12:251:41:378:1126:05
8:24
+0:10
Half
13.11 mi12:18:011:47:138:115:36
8:12
-0:12
25K
15.53 mi12:38:362:07:488:1420:35
8:29
+0:17
30K
18.64 mi13:06:102:35:228:2027:34
8:52
+0:23
20M
20.00 mi13:18:292:47:418:2312:19
9:04
+0:12
21M
21.00 mi13:27:562:57:088:269:27
9:27
+0:23
35K
21.75 mi13:34:103:03:228:266:14
8:20
-1:07
23M
23.00 mi13:44:583:14:108:2710:48
8:38
+0:18
24M
24.00 mi13:53:173:22:298:268:19
8:19
-0:19
40K
24.85 mi14:00:423:29:548:277:25
8:40
+0:21
25.2M
25.20 mi14:03:513:33:038:273:09
9:08
+0:28
Finish
26.22 mi14:12:213:41:338:278:30
8:20
-0:48

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

7:59 /mi

Average Pace

8:27 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:04

76% of race

Time at Steady Pace

43:02

19% of race

Time at Slower Pace

9:27

4% of race

Average Pace: 8:27 /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 mi10:55:3624:487:5924:48
7:59
#13907
10K
6.21 mi11:20:4449:568:0225:08
8:05
#14649
15K
9.32 mi11:46:201:15:328:0625:36
8:14
#15148
20K
12.43 mi12:12:251:41:378:1126:05
8:24
#15423
Half
13.11 mi12:18:011:47:138:115:36
8:12
#15446
25K
15.53 mi12:38:362:07:488:1420:35
8:29
#15527
30K
18.64 mi13:06:102:35:228:2027:34
8:52
#15723
20M
20.00 mi13:18:292:47:418:2312:19
9:04
#15775
21M
21.00 mi13:27:562:57:088:269:27
9:27
#15759
35K
21.75 mi13:34:103:03:228:266:14
8:20
#15688
23M
23.00 mi13:44:583:14:108:2710:48
8:38
#15574
24M
24.00 mi13:53:173:22:298:268:19
8:19
#15468
40K
24.85 mi14:00:423:29:548:277:25
8:40
#15427
25.2M
25.20 mi14:03:513:33:038:273:09
9:08
#15372
Finish
26.22 mi14:12:213:41:338:278:30
8:20
#15317
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139073971397116146(Top 61%)5379(Top 47%)5379(Top 110%)
10K6.21 mi3.10 mi14649-7424437-4664437-46615452(Top 58%)4938(Top 43%)4938(Top 101%)
15K9.32 mi3.11 mi15148-4994754-3174754-31716146(Top 61%)5379(Top 47%)5379(Top 110%)
20K12.43 mi3.11 mi15423-2754944-1904944-19016218(Top 61%)5478(Top 48%)5478(Top 112%)
Half13.11 mi0.68 mi15446-234966-224966-2215900(Top 60%)5232(Top 46%)5232(Top 107%)
25K15.53 mi2.42 mi15527-815043-775043-7716132(Top 61%)5516(Top 48%)5516(Top 113%)
30K18.64 mi3.11 mi15723-1965207-1645207-16416501(Top 62%)5787(Top 51%)5787(Top 118%)
20M20.00 mi1.36 mi15775-525257-505257-5016867(Top 63%)6071(Top 53%)6071(Top 124%)
21M21.00 mi1.00 mi15759+165273-165273-1615745(Top 59%)5480(Top 48%)5480(Top 112%)
35K21.75 mi0.75 mi15688+715250+235250+2314331(Top 54%)4748(Top 42%)4748(Top 97%)
23M23.00 mi1.25 mi15574+1145211+395211+3913968(Top 52%)4601(Top 40%)4601(Top 94%)
24M24.00 mi1.00 mi15468+1065157+545157+5413365(Top 50%)4323(Top 38%)4323(Top 89%)
40K24.85 mi0.85 mi15427+415146+115146+1114394(Top 54%)4966(Top 43%)4966(Top 102%)
25.2M25.20 mi0.35 mi15372+555120+265120+2613356(Top 50%)4427(Top 39%)4427(Top 91%)
Finish26.22 mi1.02 mi15317+555093+275093+2714379(Top 54%)4941(Top 43%)4941(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16146

Females

5379

F18-39

5379

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15452

Females

4938

F18-39

4938

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16146

Females

5379

F18-39

5379

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16218

Females

5478

F18-39

5478

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15900

Females

5232

F18-39

5232

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16132

Females

5516

F18-39

5516

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16501

Females

5787

F18-39

5787

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16867

Females

6071

F18-39

6071

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15745

Females

5480

F18-39

5480

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14331

Females

4748

F18-39

4748

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13968

Females

4601

F18-39

4601

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13365

Females

4323

F18-39

4323

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14394

Females

4966

F18-39

4966

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13356

Females

4427

F18-39

4427

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14379

Females

4941

F18-39

4941

Passing Analysis

Category:
Athletes Passed
1221
Passed By
2631
Net Change
-1410
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13907
5K → 10K70812-742#13907#14649
10K → 15K54553-499#14649#15148
15K → 20K93368-275#15148#15423
20K → Half2952-23#15423#15446
Half → 25K112193-81#15446#15527
25K → 30K111307-196#15527#15723
30K → 20M69121-52#15723#15775
20M → 21M11094+16#15775#15759
21M → 35K8110+71#15759#15688
35K → 23M14026+114#15688#15574
23M → 24M12014+106#15574#15468
24M → 40K7938+41#15468#15427
40K → 25.2M594+55#15427#15372
25.2M → Finish9439+55#15372#15317
TOTALS12212631-1410
📊

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