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BOSTON MARATHON 2023

Heidi Morales

Bib: 18175•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F45-49)
#0 / 1817
Top 7%
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
7:24/mi
22:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
45:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:08:57
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:32:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:37:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:56:52
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:21:41
↑ 181↓ 1480.2%
20M
8:01/mi
2:32:35
↑ 64↓ 500.2%
21M
8:40/mi
2:41:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:47:01
↑ 17↓ 861.7%
23M
8:02/mi
2:57:04
↑ 23↓ 630.6%
24M
7:41/mi
3:04:45
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:11:38
↓ 200.3%
25.2M
8:25/mi
3:14:32
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:22:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:58
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:44:17
Pace7:57 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5422:597:2422:59
7:24
-
10K
6.21 mi11:36:5345:587:2422:59
7:24
0:00
15K
9.32 mi11:59:521:08:577:2422:59
7:24
0:00
20K
12.43 mi12:23:401:32:457:2823:48
7:39
+0:15
Half
13.11 mi12:28:531:37:587:285:13
7:39
0:00
25K
15.53 mi12:47:471:56:527:3118:54
7:48
+0:09
30K
18.64 mi13:12:362:21:417:3624:49
7:59
+0:11
20M
20.00 mi13:23:302:32:357:3810:54
8:01
+0:02
21M
21.00 mi13:32:102:41:157:418:40
8:40
+0:39
35K
21.75 mi13:37:562:47:017:415:46
7:42
-0:58
23M
23.00 mi13:47:592:57:047:4210:03
8:02
+0:20
24M
24.00 mi13:55:403:04:457:427:41
7:41
-0:21
40K
24.85 mi14:02:333:11:387:436:53
8:03
+0:22
25.2M
25.20 mi14:05:273:14:327:432:54
8:25
+0:22
Finish
26.22 mi14:13:103:22:157:437:43
7:34
-0:51

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

7:24 /mi

Average Pace

7:43 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:41

94% of race

Time at Steady Pace

11:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:13:5422:597:2422:59
7:24
#8824
10K
6.21 mi11:36:5345:587:2422:59
7:24
#9169
15K
9.32 mi11:59:521:08:577:2422:59
7:24
#9170
20K
12.43 mi12:23:401:32:457:2823:48
7:39
#9512
Half
13.11 mi12:28:531:37:587:285:13
7:39
#9612
25K
15.53 mi12:47:471:56:527:3118:54
7:48
#9837
30K
18.64 mi13:12:362:21:417:3624:49
7:59
#9977
20M
20.00 mi13:23:302:32:357:3810:54
8:01
#9976
21M
21.00 mi13:32:102:41:157:418:40
8:40
#10042
35K
21.75 mi13:37:562:47:017:415:46
7:42
#10020
23M
23.00 mi13:47:592:57:047:4210:03
8:02
#9989
24M
24.00 mi13:55:403:04:457:427:41
7:41
#9923
40K
24.85 mi14:02:333:11:387:436:53
8:03
#9911
25.2M
25.20 mi14:05:273:14:327:432:54
8:25
#9878
Finish
26.22 mi14:13:103:22:157:437:43
7:34
#9812
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi8824132813289333(Top 35%)1559(Top 14%)1559(Top 86%)
10K6.21 mi3.10 mi9169-3451479-1511479-1519626(Top 36%)1669(Top 15%)1669(Top 92%)
15K9.32 mi3.11 mi9170-11487-81487-89333(Top 35%)1559(Top 14%)1559(Top 86%)
20K12.43 mi3.11 mi9512-3421634-1471634-14710580(Top 40%)2191(Top 19%)2191(Top 121%)
Half13.11 mi0.68 mi9612-1001669-351669-3511530(Top 43%)2670(Top 23%)2670(Top 147%)
25K15.53 mi2.42 mi9837-2251782-1131782-11311057(Top 42%)2505(Top 22%)2505(Top 138%)
30K18.64 mi3.11 mi9977-1401883-1011883-10110801(Top 41%)2539(Top 22%)2539(Top 140%)
20M20.00 mi1.36 mi9976+11909-261909-2610431(Top 39%)2439(Top 21%)2439(Top 134%)
21M21.00 mi1.00 mi10042-661974-651974-6511464(Top 43%)3115(Top 27%)3115(Top 171%)
35K21.75 mi0.75 mi10020+221981-71981-710015(Top 38%)2353(Top 21%)2353(Top 129%)
23M23.00 mi1.25 mi9989+311982-11982-19950(Top 37%)2482(Top 22%)2482(Top 137%)
24M24.00 mi1.00 mi9923+661993-111993-119005(Top 34%)2099(Top 18%)2099(Top 116%)
40K24.85 mi0.85 mi9911+122019-262019-2610386(Top 39%)2828(Top 25%)2828(Top 156%)
25.2M25.20 mi0.35 mi9878+332018+12018+19027(Top 34%)2253(Top 20%)2253(Top 124%)
Finish26.22 mi1.02 mi9812+662013+52013+59126(Top 34%)2296(Top 20%)2296(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9333

Females

1559

F45-49

1559

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9626

Females

1669

F45-49

1669

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9333

Females

1559

F45-49

1559

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10580

Females

2191

F45-49

2191

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11530

Females

2670

F45-49

2670

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11057

Females

2505

F45-49

2505

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10801

Females

2539

F45-49

2539

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10431

Females

2439

F45-49

2439

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11464

Females

3115

F45-49

3115

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10015

Females

2353

F45-49

2353

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9950

Females

2482

F45-49

2482

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9005

Females

2099

F45-49

2099

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10386

Females

2828

F45-49

2828

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9027

Females

2253

F45-49

2253

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9126

Females

2296

F45-49

2296

Passing Analysis

Category:
Athletes Passed
1153*
Passed By
2137
Net Change
-988
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8824
5K → 10K136481-345#8824#9169
10K → 15K149150-1#9169#9170
15K → 20K52394-342#9170#9512
20K → Half6106-100#9512#9612
Half → 25K70294-225#9612#9837
25K → 30K106*246-140#9837#9977
30K → 20M9493+1#9977#9976
20M → 21M65129-66#9976#10042
21M → 35K59*37+22#10042#10020
35K → 23M81*50+31#10020#9989
23M → 24M11043+66#9989#9923
24M → 40K7462+12#9923#9911
40K → 25.2M4613+33#9911#9878
25.2M → Finish105*39+66#9878#9812
TOTALS1153*2137-988

* 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