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BOSTON MARATHON 2023

Natalie Ramirez

Bib: 17908•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 40%
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
7:44/mi
24:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
46:38
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:10:06
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:34:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:39:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
1:58:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:24:02
↑ 181↓ 1480.2%
20M
8:30/mi
2:35:35
↑ 64↓ 500.2%
21M
8:47/mi
2:44:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:50:19
↑ 17↓ 861.7%
23M
8:15/mi
3:00:39
↑ 23↓ 630.6%
24M
8:09/mi
3:08:48
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:15:51
↓ 200.3%
25.2M
8:48/mi
3:18:53
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:26:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:22
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:47:27
Pace8:12 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1524:037:4424:03
7:44
-
10K
6.21 mi11:37:5046:387:3022:35
7:16
-0:28
15K
9.32 mi12:01:181:10:067:3123:28
7:33
+0:17
20K
12.43 mi12:25:201:34:087:3424:02
7:44
+0:11
Half
13.11 mi12:30:341:39:227:355:14
7:40
-0:04
25K
15.53 mi12:49:471:58:357:3819:13
7:56
+0:16
30K
18.64 mi13:15:142:24:027:4425:27
8:11
+0:15
20M
20.00 mi13:26:472:35:357:4711:33
8:30
+0:19
21M
21.00 mi13:35:342:44:227:508:47
8:47
+0:17
35K
21.75 mi13:41:312:50:197:505:57
7:57
-0:50
23M
23.00 mi13:51:513:00:397:5110:20
8:15
+0:18
24M
24.00 mi14:00:003:08:487:528:09
8:09
-0:06
40K
24.85 mi14:07:033:15:517:537:03
8:15
+0:06
25.2M
25.20 mi14:10:053:18:537:543:02
8:48
+0:33
Finish
26.22 mi14:18:013:26:497:547:56
7:47
-1:01

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

7:16 /mi

Average Pace

7:54 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:22

48% of race

Time at Steady Pace

41:15

20% of race

Time at Slower Pace

1:06:12

32% of race

Average Pace: 7:53 /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 mi11:15:1524:037:4424:03
7:44
#11851
10K
6.21 mi11:37:5046:387:3022:35
7:16
#10084
15K
9.32 mi12:01:181:10:067:3123:28
7:33
#10254
20K
12.43 mi12:25:201:34:087:3424:02
7:44
#10476
Half
13.11 mi12:30:341:39:227:355:14
7:40
#10540
25K
15.53 mi12:49:471:58:357:3819:13
7:56
#10765
30K
18.64 mi13:15:142:24:027:4425:27
8:11
#10979
20M
20.00 mi13:26:472:35:357:4711:33
8:30
#11185
21M
21.00 mi13:35:342:44:227:508:47
8:47
#11229
35K
21.75 mi13:41:312:50:197:505:57
7:57
#11243
23M
23.00 mi13:51:513:00:397:5110:20
8:15
#11243
24M
24.00 mi14:00:003:08:487:528:09
8:09
#11302
40K
24.85 mi14:07:033:15:517:537:03
8:15
#11298
25.2M
25.20 mi14:10:053:18:537:543:02
8:48
#11297
Finish
26.22 mi14:18:013:26:497:547:56
7:47
#11232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118512775277510622(Top 40%)2147(Top 19%)2147(Top 44%)
10K6.21 mi3.10 mi10084+17671880+8951880+8958652(Top 32%)1285(Top 11%)1285(Top 26%)
15K9.32 mi3.11 mi10254-1701939-591939-5910622(Top 40%)2147(Top 19%)2147(Top 44%)
20K12.43 mi3.11 mi10476-2222059-1202059-12011203(Top 42%)2514(Top 22%)2514(Top 51%)
Half13.11 mi0.68 mi10540-642088-292088-2911684(Top 44%)2728(Top 24%)2728(Top 56%)
25K15.53 mi2.42 mi10765-2252234-1462234-14612107(Top 45%)3134(Top 27%)3134(Top 64%)
30K18.64 mi3.11 mi10979-2142393-1592393-15912292(Top 46%)3353(Top 29%)3353(Top 69%)
20M20.00 mi1.36 mi11185-2062538-1452538-14513621(Top 51%)4181(Top 37%)4181(Top 86%)
21M21.00 mi1.00 mi11229-442583-452583-4512166(Top 46%)3487(Top 31%)3487(Top 71%)
35K21.75 mi0.75 mi11243-142598-152598-1511796(Top 44%)3303(Top 29%)3303(Top 68%)
23M23.00 mi1.25 mi112432626-282626-2811561(Top 43%)3278(Top 29%)3278(Top 67%)
24M24.00 mi1.00 mi11302-592679-532679-5312263(Top 46%)3723(Top 33%)3723(Top 76%)
40K24.85 mi0.85 mi11298+42703-242703-2411685(Top 44%)3497(Top 31%)3497(Top 72%)
25.2M25.20 mi0.35 mi11297+12715-122715-1211350(Top 43%)3362(Top 29%)3362(Top 69%)
Finish26.22 mi1.02 mi11232+652707+82707+810596(Top 40%)2988(Top 26%)2988(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10622

Females

2147

F18-39

2147

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8652

Females

1285

F18-39

1285

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10622

Females

2147

F18-39

2147

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11203

Females

2514

F18-39

2514

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11684

Females

2728

F18-39

2728

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12107

Females

3134

F18-39

3134

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12292

Females

3353

F18-39

3353

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13621

Females

4181

F18-39

4181

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12166

Females

3487

F18-39

3487

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11796

Females

3303

F18-39

3303

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11561

Females

3278

F18-39

3278

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12263

Females

3723

F18-39

3723

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11685

Females

3497

F18-39

3497

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11350

Females

3362

F18-39

3362

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10596

Females

2988

F18-39

2988

Passing Analysis

Category:
Athletes Passed
2680*
Passed By
2060
Net Change
+619
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11851
5K → 10K1781*14+1767#11851#10084
10K → 15K119288-170#10084#10254
15K → 20K87309-222#10254#10476
20K → Half1377-64#10476#10540
Half → 25K61286-225#10540#10765
25K → 30K120334-214#10765#10979
30K → 20M44250-206#10979#11185
20M → 21M75119-44#11185#11229
21M → 35K3953-14#11229#11243
35K → 23M93930#11243#11243
23M → 24M45104-59#11243#11302
24M → 40K6662+4#11302#11298
40K → 25.2M3635+1#11298#11297
25.2M → Finish10136+65#11297#11232
TOTALS2680*2060+619

* 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