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BOSTON MARATHON 2023

Alicia Cordova

CA

Bib: 22303 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:31/mi
29:34
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:19/mi
58:32
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:29/mi
1:27:59
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:22/mi
1:57:05
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:55/mi
2:03:10
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:13/mi
2:25:30
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:13/mi
2:54:09
↑ 181↓ 1480.2%
138 ft elev
20M
9:22/mi
3:06:53
↑ 64↓ 500.2%
148 ft elev
21M
9:43/mi
3:16:36
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:28/mi
3:22:56
↑ 17↓ 861.7%
156 ft elev
23M
8:58/mi
3:34:09
↑ 23↓ 630.6%
116 ft elev
24M
8:38/mi
3:42:47
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:54/mi
3:50:24
↓ 200.3%
20 ft elev
25.2M
9:57/mi
3:53:50
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:06/mi
4:03:06
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:03:10
Pace9:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:59:56
Pace9:09 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4429:349:3129:34
9:31
-
10K
6.21 mi11:52:4258:329:2528:58
9:19
-0:12
15K
9.32 mi12:22:091:27:599:2629:27
9:29
+0:10
20K
12.43 mi12:51:151:57:059:2529:06
9:22
-0:07
Half
13.11 mi12:57:202:03:109:246:05
8:55
-0:27
25K
15.53 mi13:19:402:25:309:2222:20
9:13
+0:18
30K
18.64 mi13:48:192:54:099:2128:39
9:13
0:00
20M
20.00 mi14:01:033:06:539:2112:44
9:22
+0:09
21M
21.00 mi14:10:463:16:369:229:43
9:43
+0:21
35K
21.75 mi14:17:063:22:569:206:20
8:28
-1:15
23M
23.00 mi14:28:193:34:099:1911:13
8:58
+0:30
24M
24.00 mi14:36:573:42:479:178:38
8:38
-0:20
40K
24.85 mi14:44:343:50:249:167:37
8:54
+0:16
25.2M
25.20 mi14:48:003:53:509:173:26
9:57
+1:03
Finish
26.22 mi14:57:164:03:069:179:16
9:06
-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

8:28 /mi

Average Pace

9:17 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:08

41% of race

Time at Steady Pace

2:22:58

59% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:16 /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 mi11:23:4429:349:3129:34
9:31
#22141
10K
6.21 mi11:52:4258:329:2528:58
9:19
#22110
15K
9.32 mi12:22:091:27:599:2629:27
9:29
#22117
20K
12.43 mi12:51:151:57:059:2529:06
9:22
#21870
Half
13.11 mi12:57:202:03:109:246:05
8:55
#21785
25K
15.53 mi13:19:402:25:309:2222:20
9:13
#21506
30K
18.64 mi13:48:192:54:099:2128:39
9:13
#20973
20M
20.00 mi14:01:033:06:539:2112:44
9:22
#20757
21M
21.00 mi14:10:463:16:369:229:43
9:43
#20551
35K
21.75 mi14:17:063:22:569:206:20
8:28
#20385
23M
23.00 mi14:28:193:34:099:1911:13
8:58
#20166
24M
24.00 mi14:36:573:42:479:178:38
8:38
#20011
40K
24.85 mi14:44:343:50:249:167:37
8:54
#19844
25.2M
25.20 mi14:48:003:53:509:173:26
9:57
#19811
Finish
26.22 mi14:57:164:03:069:179:16
9:06
#19770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi221418945894522193(Top 83%)8900(Top 78%)8900(Top 490%)
10K6.21 mi3.10 mi22110+318910+358910+3522009(Top 83%)8821(Top 77%)8821(Top 485%)
15K9.32 mi3.11 mi22117-78900+108900+1022193(Top 83%)8900(Top 78%)8900(Top 490%)
20K12.43 mi3.11 mi21870+2478755+1458755+14521148(Top 79%)8315(Top 73%)8315(Top 458%)
Half13.11 mi0.68 mi21785+858700+558700+5520090(Top 75%)7717(Top 68%)7717(Top 425%)
25K15.53 mi2.42 mi21506+2798546+1548546+15419902(Top 75%)7638(Top 67%)7638(Top 420%)
30K18.64 mi3.11 mi20973+5338266+2808266+28018271(Top 69%)6804(Top 60%)6804(Top 374%)
20M20.00 mi1.36 mi20757+2168152+1148152+11418356(Top 69%)6946(Top 61%)6946(Top 382%)
21M21.00 mi1.00 mi20551+2068060+928060+9216948(Top 64%)6164(Top 54%)6164(Top 339%)
35K21.75 mi0.75 mi20385+1667977+837977+8315180(Top 57%)5231(Top 46%)5231(Top 288%)
23M23.00 mi1.25 mi20166+2197867+1107867+11015875(Top 60%)5675(Top 50%)5675(Top 312%)
24M24.00 mi1.00 mi20011+1557780+877780+8715331(Top 58%)5443(Top 48%)5443(Top 300%)
40K24.85 mi0.85 mi19844+1677690+907690+9015703(Top 59%)5695(Top 50%)5695(Top 313%)
25.2M25.20 mi0.35 mi19811+337676+147676+1417273(Top 65%)6599(Top 58%)6599(Top 363%)
Finish26.22 mi1.02 mi19770+417653+237653+2318460(Top 69%)7156(Top 63%)7156(Top 394%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22193

Females

8900

F45-49

8900

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22009

Females

8821

F45-49

8821

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22193

Females

8900

F45-49

8900

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

21148

Females

8315

F45-49

8315

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

20090

Females

7717

F45-49

7717

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19902

Females

7638

F45-49

7638

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18271

Females

6804

F45-49

6804

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18356

Females

6946

F45-49

6946

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16948

Females

6164

F45-49

6164

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15180

Females

5231

F45-49

5231

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15875

Females

5675

F45-49

5675

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15331

Females

5443

F45-49

5443

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15703

Females

5695

F45-49

5695

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17273

Females

6599

F45-49

6599

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18460

Females

7156

F45-49

7156

Passing Analysis

Category:
Athletes Passed
2888
Passed By
517
Net Change
+2371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22141
5K → 10K262231+31#22141#22110
10K → 15K177184-7#22110#22117
15K → 20K28942+247#22117#21870
20K → Half894+85#21870#21785
Half → 25K2856+279#21785#21506
25K → 30K5363+533#21506#20973
30K → 20M2215+216#20973#20757
20M → 21M2082+206#20757#20551
21M → 35K1660+166#20551#20385
35K → 23M2201+219#20385#20166
23M → 24M1572+155#20166#20011
24M → 40K1703+167#20011#19844
40K → 25.2M4310+33#19844#19811
25.2M → Finish6524+41#19811#19770
TOTALS2888517+2371
📊

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