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BOSTON MARATHON 2023

Clara Murcia Salazar

Bib: 17198•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Masters (Masters Women)
#0 / 6539
Top 27%
Division (F40-44)
#0 / 1878
Top 48%
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
8:02/mi
24:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
49:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:14:38
↑ 67↓ 78
20K· 12.43 mi
8:07/mi
1:39:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:45:14
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:04:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:31:35
↑ 181↓ 1480.2%
20M
8:43/mi
2:43:26
↑ 64↓ 500.2%
21M
9:29/mi
2:52:55
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:58:58
↑ 17↓ 861.7%
23M
8:45/mi
3:09:55
↑ 23↓ 630.6%
24M
8:26/mi
3:18:21
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:25:48
↓ 200.3%
25.2M
9:46/mi
3:29:10
↑ 13↓ 160.2%
Finish· 26.22 mi
8:40/mi
3:38:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:14
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:52:46
Pace8:36 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0924:598:0224:59
8:02
-
10K
6.21 mi11:46:5649:468:0124:47
7:59
-0:03
15K
9.32 mi12:11:481:14:388:0024:52
8:00
+0:01
20K
12.43 mi12:37:001:39:508:0225:12
8:07
+0:07
Half
13.11 mi12:42:241:45:148:025:24
7:55
-0:12
25K
15.53 mi13:02:072:04:578:0319:43
8:08
+0:13
30K
18.64 mi13:28:452:31:358:0826:38
8:34
+0:26
20M
20.00 mi13:40:362:43:268:1011:51
8:43
+0:09
21M
21.00 mi13:50:052:52:558:149:29
9:29
+0:46
35K
21.75 mi13:56:082:58:588:146:03
8:05
-1:24
23M
23.00 mi14:07:053:09:558:1510:57
8:45
+0:40
24M
24.00 mi14:15:313:18:218:168:26
8:26
-0:19
40K
24.85 mi14:22:583:25:488:177:27
8:43
+0:17
25.2M
25.20 mi14:26:203:29:108:183:22
9:46
+1:03
Finish
26.22 mi14:35:103:38:008:198:50
8:40
-1:06

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

7:55 /mi

Average Pace

8:19 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:00

60% of race

Time at Steady Pace

43:54

20% of race

Time at Slower Pace

43:06

20% of race

Average Pace: 8:19 /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 mi11:22:0924:598:0224:59
8:02
#14317
10K
6.21 mi11:46:5649:468:0124:47
7:59
#14456
15K
9.32 mi12:11:481:14:388:0024:52
8:00
#14419
20K
12.43 mi12:37:001:39:508:0225:12
8:07
#14354
Half
13.11 mi12:42:241:45:148:025:24
7:55
#14312
25K
15.53 mi13:02:072:04:578:0319:43
8:08
#14234
30K
18.64 mi13:28:452:31:358:0826:38
8:34
#14344
20M
20.00 mi13:40:362:43:268:1011:51
8:43
#14346
21M
21.00 mi13:50:052:52:558:149:29
9:29
#14450
35K
21.75 mi13:56:082:58:588:146:03
8:05
#14373
23M
23.00 mi14:07:053:09:558:1510:57
8:45
#14382
24M
24.00 mi14:15:313:18:218:168:26
8:26
#14348
40K
24.85 mi14:22:583:25:488:177:27
8:43
#14347
25.2M
25.20 mi14:26:203:29:108:183:22
9:46
#14378
Finish
26.22 mi14:35:103:38:008:198:50
8:40
#14434
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi143174218421814431(Top 54%)4339(Top 38%)4339(Top 231%)
10K6.21 mi3.10 mi14456-1394313-954313-9514656(Top 55%)4454(Top 39%)4454(Top 237%)
15K9.32 mi3.11 mi14419+374309+44309+414431(Top 54%)4339(Top 38%)4339(Top 231%)
20K12.43 mi3.11 mi14354+654287+224287+2214299(Top 54%)4289(Top 38%)4289(Top 228%)
Half13.11 mi0.68 mi14312+424266+214266+2113781(Top 52%)3968(Top 35%)3968(Top 211%)
25K15.53 mi2.42 mi14234+784252+144252+1413762(Top 52%)4078(Top 36%)4078(Top 217%)
30K18.64 mi3.11 mi14344-1104364-1124364-11214757(Top 55%)4788(Top 42%)4788(Top 255%)
20M20.00 mi1.36 mi14346-24390-264390-2614991(Top 56%)4980(Top 44%)4980(Top 265%)
21M21.00 mi1.00 mi14450-1044467-774467-7715891(Top 60%)5562(Top 49%)5562(Top 296%)
35K21.75 mi0.75 mi14373+774430+374430+3712764(Top 48%)3871(Top 34%)3871(Top 206%)
23M23.00 mi1.25 mi14382-94462-324462-3214686(Top 55%)4999(Top 44%)4999(Top 266%)
24M24.00 mi1.00 mi14348+344457+54457+514101(Top 53%)4728(Top 41%)4728(Top 252%)
40K24.85 mi0.85 mi14347+14480-234480-2314608(Top 55%)5082(Top 44%)5082(Top 271%)
25.2M25.20 mi0.35 mi14378-314511-314511-3116386(Top 62%)6080(Top 53%)6080(Top 324%)
Finish26.22 mi1.02 mi14434-564562-514562-5116341(Top 61%)6010(Top 53%)6010(Top 320%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14431

Females

4339

F40-44

4339

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14656

Females

4454

F40-44

4454

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14431

Females

4339

F40-44

4339

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14299

Females

4289

F40-44

4289

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13781

Females

3968

F40-44

3968

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13762

Females

4078

F40-44

4078

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14757

Females

4788

F40-44

4788

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14991

Females

4980

F40-44

4980

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15891

Females

5562

F40-44

5562

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12764

Females

3871

F40-44

3871

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14686

Females

4999

F40-44

4999

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14101

Females

4728

F40-44

4728

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14608

Females

5082

F40-44

5082

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16386

Females

6080

F40-44

6080

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16341

Females

6010

F40-44

6010

Passing Analysis

Category:
Athletes Passed
1534
Passed By
1651
Net Change
-117
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14317
5K → 10K218357-139#14317#14456
10K → 15K203166+37#14456#14419
15K → 20K216151+65#14419#14354
20K → Half5210+42#14354#14312
Half → 25K17395+78#14312#14234
25K → 30K148258-110#14234#14344
30K → 20M9193-2#14344#14346
20M → 21M48152-104#14346#14450
21M → 35K9114+77#14450#14373
35K → 23M8493-9#14373#14382
23M → 24M8753+34#14382#14348
24M → 40K6261+1#14348#14347
40K → 25.2M1950-31#14347#14378
25.2M → Finish4298-56#14378#14434
TOTALS15341651-117
📊

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