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BOSTON MARATHON 2023

Elizabeth Hartwig

Bib: 29747•F

WI

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

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
8:16/mi
25:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
50:32
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:16:05
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:42:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:48:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:09:18
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:38:33
↑ 181↓ 1480.2%
20M
9:55/mi
2:52:01
↑ 64↓ 500.2%
21M
11:00/mi
3:03:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:05/mi
3:09:49
↑ 17↓ 861.7%
23M
10:23/mi
3:22:49
↑ 23↓ 630.6%
24M
9:44/mi
3:32:33
↓ 821.3%
40K· 24.85 mi
10:25/mi
3:41:27
↓ 200.3%
25.2M
12:17/mi
3:45:41
↑ 13↓ 160.2%
Finish· 26.22 mi
9:52/mi
3:55:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:09
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:07:35
Pace9:44 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5725:418:1625:41
8:16
-
10K
6.21 mi12:08:4850:328:0824:51
8:00
-0:16
15K
9.32 mi12:34:211:16:058:1025:33
8:13
+0:13
20K
12.43 mi13:00:411:42:258:1426:20
8:29
+0:16
Half
13.11 mi13:06:251:48:098:155:44
8:24
-0:05
25K
15.53 mi13:27:342:09:188:1921:09
8:43
+0:19
30K
18.64 mi13:56:492:38:338:3029:15
9:25
+0:42
20M
20.00 mi14:10:172:52:018:3613:28
9:55
+0:30
21M
21.00 mi14:21:173:03:018:4311:00
11:00
+1:05
35K
21.75 mi14:28:053:09:498:446:48
9:05
-1:55
23M
23.00 mi14:41:053:22:498:4913:00
10:23
+1:18
24M
24.00 mi14:50:493:32:338:519:44
9:44
-0:39
40K
24.85 mi14:59:433:41:278:558:54
10:25
+0:41
25.2M
25.20 mi15:03:573:45:418:574:14
12:17
+1:52
Finish
26.22 mi15:14:003:55:449:0010:03
9:52
-2:25

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

8:00 /mi

Average Pace

9:00 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:18

55% of race

Time at Steady Pace

1:09:18

29% of race

Time at Slower Pace

37:08

16% of race

Average Pace: 8:59 /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 mi11:43:5725:418:1625:41
8:16
#15954
10K
6.21 mi12:08:4850:328:0824:51
8:00
#15333
15K
9.32 mi12:34:211:16:058:1025:33
8:13
#15574
20K
12.43 mi13:00:411:42:258:1426:20
8:29
#15864
Half
13.11 mi13:06:251:48:098:155:44
8:24
#15914
25K
15.53 mi13:27:342:09:188:1921:09
8:43
#16208
30K
18.64 mi13:56:492:38:338:3029:15
9:25
#16816
20M
20.00 mi14:10:172:52:018:3613:28
9:55
#17145
21M
21.00 mi14:21:173:03:018:4311:00
11:00
#17478
35K
21.75 mi14:28:053:09:498:446:48
9:05
#17515
23M
23.00 mi14:41:053:22:498:4913:00
10:23
#17886
24M
24.00 mi14:50:493:32:338:519:44
9:44
#18010
40K
24.85 mi14:59:433:41:278:558:54
10:25
#18203
25.2M
25.20 mi15:03:573:45:418:574:14
12:17
#18349
Finish
26.22 mi15:14:003:55:449:0010:03
9:52
#18504
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi159545250525016042(Top 60%)5323(Top 47%)5323(Top 109%)
10K6.21 mi3.10 mi15333+6214862+3884862+38814812(Top 56%)4556(Top 40%)4556(Top 93%)
15K9.32 mi3.11 mi15574-2415024-1625024-16216042(Top 60%)5323(Top 47%)5323(Top 109%)
20K12.43 mi3.11 mi15864-2905223-1995223-19916719(Top 63%)5772(Top 51%)5772(Top 118%)
Half13.11 mi0.68 mi15914-505253-305253-3017223(Top 65%)6039(Top 53%)6039(Top 124%)
25K15.53 mi2.42 mi16208-2945460-2075460-20717512(Top 66%)6293(Top 55%)6293(Top 129%)
30K18.64 mi3.11 mi16816-6085856-3965856-39619111(Top 72%)7256(Top 64%)7256(Top 149%)
20M20.00 mi1.36 mi17145-3296066-2106066-21020207(Top 76%)7980(Top 70%)7980(Top 163%)
21M21.00 mi1.00 mi17478-3336279-2136279-21320832(Top 78%)8368(Top 73%)8368(Top 171%)
35K21.75 mi0.75 mi17515-376318-396318-3918295(Top 69%)6996(Top 61%)6996(Top 143%)
23M23.00 mi1.25 mi17886-3716548-2306548-23021036(Top 79%)8540(Top 75%)8540(Top 175%)
24M24.00 mi1.00 mi18010-1246635-876635-8720015(Top 75%)7980(Top 70%)7980(Top 163%)
40K24.85 mi0.85 mi18203-1936758-1236758-12321003(Top 79%)8602(Top 75%)8602(Top 176%)
25.2M25.20 mi0.35 mi18349-1466841-836841-8322942(Top 86%)9622(Top 84%)9622(Top 197%)
Finish26.22 mi1.02 mi18504-1556936-956936-9521354(Top 80%)8747(Top 77%)8747(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16042

Females

5323

F18-39

5323

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14812

Females

4556

F18-39

4556

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16042

Females

5323

F18-39

5323

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16719

Females

5772

F18-39

5772

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17223

Females

6039

F18-39

6039

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17512

Females

6293

F18-39

6293

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19111

Females

7256

F18-39

7256

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20207

Females

7980

F18-39

7980

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20832

Females

8368

F18-39

8368

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18295

Females

6996

F18-39

6996

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21036

Females

8540

F18-39

8540

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

20015

Females

7980

F18-39

7980

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21003

Females

8602

F18-39

8602

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22942

Females

9622

F18-39

9622

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21354

Females

8747

F18-39

8747

Passing Analysis

Category:
Athletes Passed
1214
Passed By
3764
Net Change
-2550
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15954
5K → 10K72099+621#15954#15333
10K → 15K96337-241#15333#15574
15K → 20K91381-290#15574#15864
20K → Half1565-50#15864#15914
Half → 25K75369-294#15914#16208
25K → 30K58666-608#16208#16816
30K → 20M20349-329#16816#17145
20M → 21M17350-333#17145#17478
21M → 35K4178-37#17478#17515
35K → 23M24395-371#17515#17886
23M → 24M21145-124#17886#18010
24M → 40K16209-193#18010#18203
40K → 25.2M3149-146#18203#18349
25.2M → Finish17172-155#18349#18504
TOTALS12143764-2550
📊

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