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BOSTON MARATHON 2023

Francesca Brina-Francis

Bib: 15347•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
7:52/mi
24:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
48:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:13:30
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:40:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:45:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:45/mi
2:07:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:20/mi
2:36:09
↑ 181↓ 1480.2%
20M
9:55/mi
2:49:37
↑ 64↓ 500.2%
21M
9:44/mi
2:59:21
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:07:06
↑ 17↓ 861.7%
23M
11:44/mi
3:21:48
↑ 23↓ 630.6%
24M
10:20/mi
3:32:08
↓ 821.3%
40K· 24.85 mi
9:26/mi
3:40:12
↓ 200.3%
25.2M
10:00/mi
3:43:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:52:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:56
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time2:06:37
Pace9:40 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4224:277:5224:27
7:52
-
10K
6.21 mi11:19:1148:567:5324:29
7:53
+0:01
15K
9.32 mi11:43:451:13:307:5324:34
7:54
+0:01
20K
12.43 mi12:10:281:40:138:0426:43
8:36
+0:42
Half
13.11 mi12:16:111:45:568:055:43
8:23
-0:13
25K
15.53 mi12:37:242:07:098:1121:13
8:45
+0:22
30K
18.64 mi13:06:242:36:098:2329:00
9:20
+0:35
20M
20.00 mi13:19:522:49:378:2913:28
9:55
+0:35
21M
21.00 mi13:29:362:59:218:329:44
9:44
-0:11
35K
21.75 mi13:37:213:07:068:367:45
10:22
+0:38
23M
23.00 mi13:52:033:21:488:4614:42
11:44
+1:22
24M
24.00 mi14:02:233:32:088:5010:20
10:20
-1:24
40K
24.85 mi14:10:273:40:128:528:04
9:26
-0:54
25.2M
25.20 mi14:13:543:43:398:533:27
10:00
+0:34
Finish
26.22 mi14:22:483:52:338:538:54
8:44
-1:16

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

7:52 /mi

Average Pace

8:53 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:03

59% of race

Time at Steady Pace

46:48

20% of race

Time at Slower Pace

49:42

21% of race

Average Pace: 8:52 /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 mi10:54:4224:277:5224:27
7:52
#13023
10K
6.21 mi11:19:1148:567:5324:29
7:53
#13391
15K
9.32 mi11:43:451:13:307:5324:34
7:54
#13468
20K
12.43 mi12:10:281:40:138:0426:43
8:36
#14599
Half
13.11 mi12:16:111:45:568:055:43
8:23
#14741
25K
15.53 mi12:37:242:07:098:1121:13
8:45
#15253
30K
18.64 mi13:06:242:36:098:2329:00
9:20
#15996
20M
20.00 mi13:19:522:49:378:2913:28
9:55
#16415
21M
21.00 mi13:29:362:59:218:329:44
9:44
#16434
35K
21.75 mi13:37:213:07:068:367:45
10:22
#16769
23M
23.00 mi13:52:033:21:488:4614:42
11:44
#17608
24M
24.00 mi14:02:233:32:088:5010:20
10:20
#17930
40K
24.85 mi14:10:273:40:128:528:04
9:26
#17944
25.2M
25.20 mi14:13:543:43:398:533:27
10:00
#17934
Finish
26.22 mi14:22:483:52:338:538:54
8:44
#17894
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130233456345613650(Top 51%)3874(Top 34%)3874(Top 79%)
10K6.21 mi3.10 mi13391-3683677-2213677-22113837(Top 52%)3953(Top 35%)3953(Top 81%)
15K9.32 mi3.11 mi13468-773733-563733-5613650(Top 51%)3874(Top 34%)3874(Top 79%)
20K12.43 mi3.11 mi14599-11314433-7004433-70017501(Top 66%)6227(Top 55%)6227(Top 127%)
Half13.11 mi0.68 mi14741-1424523-904523-9017075(Top 64%)5954(Top 52%)5954(Top 122%)
25K15.53 mi2.42 mi15253-5124869-3464869-34617682(Top 66%)6390(Top 56%)6390(Top 131%)
30K18.64 mi3.11 mi15996-7435373-5045373-50418766(Top 70%)7065(Top 62%)7065(Top 145%)
20M20.00 mi1.36 mi16415-4195658-2855658-28520206(Top 76%)7979(Top 70%)7979(Top 163%)
21M21.00 mi1.00 mi16434-195669-115669-1117003(Top 64%)6196(Top 54%)6196(Top 127%)
35K21.75 mi0.75 mi16769-3355863-1945863-19422128(Top 83%)9120(Top 80%)9120(Top 187%)
23M23.00 mi1.25 mi17608-8396384-5216384-52123632(Top 89%)9918(Top 87%)9918(Top 203%)
24M24.00 mi1.00 mi17930-3226583-1996583-19921636(Top 81%)8908(Top 78%)8908(Top 182%)
40K24.85 mi0.85 mi17944-146603-206603-2018115(Top 68%)7001(Top 61%)7001(Top 143%)
25.2M25.20 mi0.35 mi17934+106599+46599+417440(Top 66%)6673(Top 58%)6673(Top 137%)
Finish26.22 mi1.02 mi17894+406586+136586+1316699(Top 63%)6212(Top 54%)6212(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13650

Females

3874

F18-39

3874

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13837

Females

3953

F18-39

3953

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13650

Females

3874

F18-39

3874

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17501

Females

6227

F18-39

6227

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17075

Females

5954

F18-39

5954

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17682

Females

6390

F18-39

6390

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18766

Females

7065

F18-39

7065

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20206

Females

7979

F18-39

7979

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17003

Females

6196

F18-39

6196

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22128

Females

9120

F18-39

9120

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23632

Females

9918

F18-39

9918

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21636

Females

8908

F18-39

8908

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18115

Females

7001

F18-39

7001

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17440

Females

6673

F18-39

6673

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16699

Females

6212

F18-39

6212

Passing Analysis

Category:
Athletes Passed
724
Passed By
5595
Net Change
-4871
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13023
5K → 10K158526-368#13023#13391
10K → 15K178255-77#13391#13468
15K → 20K271158-1131#13468#14599
20K → Half2144-142#14599#14741
Half → 25K41553-512#14741#15253
25K → 30K41784-743#15253#15996
30K → 20M22441-419#15996#16415
20M → 21M7594-19#16415#16434
21M → 35K9344-335#16434#16769
35K → 23M6845-839#16769#17608
23M → 24M10332-322#17608#17930
24M → 40K4761-14#17930#17944
40K → 25.2M3020+10#17944#17934
25.2M → Finish7838+40#17934#17894
TOTALS7245595-4871
📊

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