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BOSTON MARATHON 2023

Liz Healy

Bib: 26351•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

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
9:07/mi
28:19
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
55:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:22:04
↑ 67↓ 78
20K· 12.43 mi
8:46/mi
1:49:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:55:12
↑ 19↓ 370.5%
25K· 15.53 mi
9:03/mi
2:17:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:47:05
↑ 181↓ 1480.2%
20M
9:22/mi
2:59:49
↑ 64↓ 500.2%
21M
10:09/mi
3:09:58
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
3:16:38
↑ 17↓ 861.7%
23M
9:33/mi
3:28:35
↑ 23↓ 630.6%
24M
9:21/mi
3:37:56
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:46:13
↓ 200.3%
25.2M
10:03/mi
3:49:41
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
3:58:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:12
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:03:47
Pace9:27 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1428:199:0728:19
9:07
-
10K
6.21 mi12:14:5755:028:5126:43
8:36
-0:31
15K
9.32 mi12:41:591:22:048:4827:02
8:42
+0:06
20K
12.43 mi13:09:131:49:188:4827:14
8:46
+0:04
Half
13.11 mi13:15:071:55:128:475:54
8:39
-0:07
25K
15.53 mi13:37:042:17:098:5021:57
9:03
+0:24
30K
18.64 mi14:07:002:47:058:5829:56
9:38
+0:35
20M
20.00 mi14:19:442:59:498:5912:44
9:22
-0:16
21M
21.00 mi14:29:533:09:589:0310:09
10:09
+0:47
35K
21.75 mi14:36:333:16:389:026:40
8:55
-1:14
23M
23.00 mi14:48:303:28:359:0411:57
9:33
+0:38
24M
24.00 mi14:57:513:37:569:059:21
9:21
-0:12
40K
24.85 mi15:06:083:46:139:068:17
9:41
+0:20
25.2M
25.20 mi15:09:363:49:419:073:28
10:03
+0:22
Finish
26.22 mi15:18:543:58:599:079:18
9:08
-0:55

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

8:36 /mi

Average Pace

9:07 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:12

73% of race

Time at Steady Pace

53:38

22% of race

Time at Slower Pace

10:09

4% of race

Average Pace: 9:07 /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 mi11:48:1428:199:0728:19
9:07
#20918
10K
6.21 mi12:14:5755:028:5126:43
8:36
#19967
15K
9.32 mi12:41:591:22:048:4827:02
8:42
#19626
20K
12.43 mi13:09:131:49:188:4827:14
8:46
#19298
Half
13.11 mi13:15:071:55:128:475:54
8:39
#19255
25K
15.53 mi13:37:042:17:098:5021:57
9:03
#19259
30K
18.64 mi14:07:002:47:058:5829:56
9:38
#19418
20M
20.00 mi14:19:442:59:498:5912:44
9:22
#19323
21M
21.00 mi14:29:533:09:589:0310:09
10:09
#19269
35K
21.75 mi14:36:333:16:389:026:40
8:55
#19202
23M
23.00 mi14:48:303:28:359:0411:57
9:33
#19160
24M
24.00 mi14:57:513:37:569:059:21
9:21
#19136
40K
24.85 mi15:06:083:46:139:068:17
9:41
#19153
25.2M
25.20 mi15:09:363:49:419:073:28
10:03
#19123
Finish
26.22 mi15:18:543:58:599:079:18
9:08
#19137
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi209188327832718997(Top 71%)7100(Top 62%)7100(Top 145%)
10K6.21 mi3.10 mi19967+9517747+5807747+58018856(Top 71%)6997(Top 61%)6997(Top 143%)
15K9.32 mi3.11 mi19626+3417527+2207527+22018997(Top 71%)7100(Top 62%)7100(Top 145%)
20K12.43 mi3.11 mi19298+3287303+2247303+22418503(Top 70%)6795(Top 59%)6795(Top 139%)
Half13.11 mi0.68 mi19255+437270+337270+3318679(Top 70%)6893(Top 60%)6893(Top 141%)
25K15.53 mi2.42 mi19259-47276-67276-619218(Top 72%)7256(Top 64%)7256(Top 149%)
30K18.64 mi3.11 mi19418-1597380-1047380-10419920(Top 75%)7718(Top 68%)7718(Top 158%)
20M20.00 mi1.36 mi19323+957342+387342+3818350(Top 69%)6940(Top 61%)6940(Top 142%)
21M21.00 mi1.00 mi19269+547324+187324+1818561(Top 70%)7089(Top 62%)7089(Top 145%)
35K21.75 mi0.75 mi19202+677289+357289+3517549(Top 66%)6591(Top 58%)6591(Top 135%)
23M23.00 mi1.25 mi19160+427275+147275+1418507(Top 70%)7134(Top 62%)7134(Top 146%)
24M24.00 mi1.00 mi19136+247272+37272+318671(Top 70%)7263(Top 64%)7263(Top 149%)
40K24.85 mi0.85 mi19153-177287-157287-1518996(Top 71%)7492(Top 66%)7492(Top 153%)
25.2M25.20 mi0.35 mi19123+307274+137274+1317651(Top 66%)6778(Top 59%)6778(Top 139%)
Finish26.22 mi1.02 mi19137-147285-117285-1118593(Top 70%)7223(Top 63%)7223(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18997

Females

7100

F18-39

7100

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18856

Females

6997

F18-39

6997

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18997

Females

7100

F18-39

7100

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18503

Females

6795

F18-39

6795

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18679

Females

6893

F18-39

6893

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19218

Females

7256

F18-39

7256

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19920

Females

7718

F18-39

7718

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18350

Females

6940

F18-39

6940

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18561

Females

7089

F18-39

7089

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17549

Females

6591

F18-39

6591

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18507

Females

7134

F18-39

7134

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18671

Females

7263

F18-39

7263

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18996

Females

7492

F18-39

7492

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17651

Females

6778

F18-39

6778

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18593

Females

7223

F18-39

7223

Passing Analysis

Category:
Athletes Passed
2663
Passed By
882
Net Change
+1781
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20918
5K → 10K101160+951#20918#19967
10K → 15K40665+341#19967#19626
15K → 20K36032+328#19626#19298
20K → Half496+43#19298#19255
Half → 25K120124-4#19255#19259
25K → 30K111270-159#19259#19418
30K → 20M13439+95#19418#19323
20M → 21M10248+54#19323#19269
21M → 35K7710+67#19269#19202
35K → 23M9654+42#19202#19160
23M → 24M6945+24#19160#19136
24M → 40K4663-17#19136#19153
40K → 25.2M4212+30#19153#19123
25.2M → Finish4054-14#19123#19137
TOTALS2663882+1781
📊

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