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BOSTON MARATHON 2023

Lucia Rojas

Bib: 16806•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F45-49)
#0 / 1817
Top 20%
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
8:00/mi
24:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
49:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:14:03
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:38:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:44:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:07/mi
2:03:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:30:00
↑ 181↓ 1480.2%
20M
8:36/mi
2:41:41
↑ 64↓ 500.2%
21M
9:20/mi
2:51:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:57:10
↑ 17↓ 861.7%
23M
8:11/mi
3:07:25
↑ 23↓ 630.6%
24M
7:48/mi
3:15:13
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:21:56
↓ 200.3%
25.2M
8:30/mi
3:24:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:32:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:48:41
Pace8:17 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1024:528:0024:52
8:00
-
10K
6.21 mi11:39:4149:237:5724:31
7:53
-0:07
15K
9.32 mi12:04:211:14:037:5724:40
7:56
+0:03
20K
12.43 mi12:29:061:38:487:5724:45
7:58
+0:02
Half
13.11 mi12:34:311:44:137:575:25
7:56
-0:02
25K
15.53 mi12:54:112:03:537:5819:40
8:07
+0:11
30K
18.64 mi13:20:182:30:008:0326:07
8:24
+0:17
20M
20.00 mi13:31:592:41:418:0511:41
8:36
+0:12
21M
21.00 mi13:41:192:51:018:099:20
9:20
+0:44
35K
21.75 mi13:47:282:57:108:096:09
8:13
-1:07
23M
23.00 mi13:57:433:07:258:0910:15
8:11
-0:02
24M
24.00 mi14:05:313:15:138:087:48
7:48
-0:23
40K
24.85 mi14:12:143:21:568:076:43
7:51
+0:03
25.2M
25.20 mi14:15:103:24:528:082:56
8:30
+0:39
Finish
26.22 mi14:23:123:32:548:088:02
7:53
-0:37

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

7:48 /mi

Average Pace

8:08 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:53

90% of race

Time at Steady Pace

11:41

5% of race

Time at Slower Pace

9:20

4% of race

Average Pace: 8:07 /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 mi11:15:1024:528:0024:52
8:00
#14062
10K
6.21 mi11:39:4149:237:5724:31
7:53
#13972
15K
9.32 mi12:04:211:14:037:5724:40
7:56
#13939
20K
12.43 mi12:29:061:38:487:5724:45
7:58
#13703
Half
13.11 mi12:34:311:44:137:575:25
7:56
#13708
25K
15.53 mi12:54:112:03:537:5819:40
8:07
#13676
30K
18.64 mi13:20:182:30:008:0326:07
8:24
#13652
20M
20.00 mi13:31:592:41:418:0511:41
8:36
#13699
21M
21.00 mi13:41:192:51:018:099:20
9:20
#13789
35K
21.75 mi13:47:282:57:108:096:09
8:13
#13776
23M
23.00 mi13:57:433:07:258:0910:15
8:11
#13575
24M
24.00 mi14:05:313:15:138:087:48
7:48
#13369
40K
24.85 mi14:12:143:21:568:076:43
7:51
#13199
25.2M
25.20 mi14:15:103:24:528:082:56
8:30
#13106
Finish
26.22 mi14:23:123:32:548:088:02
7:53
#13027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi140624070407013922(Top 52%)4039(Top 35%)4039(Top 222%)
10K6.21 mi3.10 mi13972+904025+454025+4513918(Top 52%)3994(Top 35%)3994(Top 220%)
15K9.32 mi3.11 mi13939+334024+14024+113922(Top 52%)4039(Top 35%)4039(Top 222%)
20K12.43 mi3.11 mi13703+2363910+1143910+11413165(Top 49%)3635(Top 32%)3635(Top 200%)
Half13.11 mi0.68 mi13708-53911-13911-113915(Top 52%)4024(Top 35%)4024(Top 221%)
25K15.53 mi2.42 mi13676+323916-53916-513586(Top 51%)3972(Top 35%)3972(Top 219%)
30K18.64 mi3.11 mi13652+243926-103926-1013739(Top 52%)4173(Top 37%)4173(Top 230%)
20M20.00 mi1.36 mi13699-473977-513977-5114246(Top 54%)4558(Top 40%)4558(Top 251%)
21M21.00 mi1.00 mi13789-904049-724049-7215179(Top 57%)5151(Top 45%)5151(Top 283%)
35K21.75 mi0.75 mi13776+134058-94058-913604(Top 51%)4339(Top 38%)4339(Top 239%)
23M23.00 mi1.25 mi13575+2013961+973961+9711133(Top 42%)3087(Top 27%)3087(Top 170%)
24M24.00 mi1.00 mi13369+2063856+1053856+1059849(Top 37%)2534(Top 22%)2534(Top 139%)
40K24.85 mi0.85 mi13199+1703780+763780+769102(Top 34%)2234(Top 20%)2234(Top 123%)
25.2M25.20 mi0.35 mi13106+933745+353745+359690(Top 36%)2573(Top 23%)2573(Top 142%)
Finish26.22 mi1.02 mi13027+793714+313714+3111323(Top 43%)3361(Top 29%)3361(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13922

Females

4039

F45-49

4039

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13918

Females

3994

F45-49

3994

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13922

Females

4039

F45-49

4039

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13165

Females

3635

F45-49

3635

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13915

Females

4024

F45-49

4024

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13586

Females

3972

F45-49

3972

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13739

Females

4173

F45-49

4173

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14246

Females

4558

F45-49

4558

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15179

Females

5151

F45-49

5151

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13604

Females

4339

F45-49

4339

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11133

Females

3087

F45-49

3087

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9849

Females

2534

F45-49

2534

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9102

Females

2234

F45-49

2234

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9690

Females

2573

F45-49

2573

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11323

Females

3361

F45-49

3361

Passing Analysis

Category:
Athletes Passed
2217
Passed By
1182
Net Change
+1035
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14062
5K → 10K335245+90#14062#13972
10K → 15K206173+33#13972#13939
15K → 20K29862+236#13939#13703
20K → Half2732-5#13703#13708
Half → 25K152120+32#13708#13676
25K → 30K197173+24#13676#13652
30K → 20M84131-47#13652#13699
20M → 21M65155-90#13699#13789
21M → 35K5946+13#13789#13776
35K → 23M21211+201#13776#13575
23M → 24M2093+206#13575#13369
24M → 40K1755+170#13369#13199
40K → 25.2M930+93#13199#13106
25.2M → Finish10526+79#13106#13027
TOTALS22171182+1035
📊

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