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BOSTON MARATHON 2023

Ceara Souza

MA

Bib: 25139 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:47/mi
33:29
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
11:01/mi
1:07:43
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:38/mi
1:40:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:21/mi
2:16:02
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:29/mi
2:23:11
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:14/mi
2:50:26
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:23/mi
3:28:54
↑ 181↓ 1480.2%
138 ft elev
20M
13:00/mi
3:46:34
↑ 64↓ 500.2%
148 ft elev
21M
12:41/mi
3:59:15
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:27/mi
4:08:34
↑ 17↓ 861.7%
156 ft elev
23M
11:24/mi
4:22:50
↑ 23↓ 630.6%
116 ft elev
24M
11:41/mi
4:34:31
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:36/mi
4:44:26
↓ 200.3%
20 ft elev
25.2M
11:39/mi
4:48:27
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:23/mi
4:59:02
↑ 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 HalfFaster
Distance13.11 mi
Time2:23:11
Pace10:55 /mi
2nd Half
Distance13.11 mi
Time2:35:51
Pace11:53 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2933:2910:4733:29
10:47
-
10K
6.21 mi12:23:431:07:4310:5434:14
11:01
+0:14
15K
9.32 mi12:56:451:40:4510:4933:02
10:38
-0:23
20K
12.43 mi13:32:022:16:0210:5735:17
11:21
+0:43
Half
13.11 mi13:39:112:23:1110:557:09
10:29
-0:52
25K
15.53 mi14:06:262:50:2610:5827:15
11:14
+0:45
30K
18.64 mi14:44:543:28:5411:1238:28
12:23
+1:09
20M
20.00 mi15:02:343:46:3411:2017:40
13:00
+0:37
21M
21.00 mi15:15:153:59:1511:2412:41
12:41
-0:19
35K
21.75 mi15:24:344:08:3411:269:19
12:27
-0:14
23M
23.00 mi15:38:504:22:5011:2614:16
11:24
-1:03
24M
24.00 mi15:50:314:34:3111:2611:41
11:41
+0:17
40K
24.85 mi16:00:264:44:2611:279:55
11:36
-0:05
25.2M
25.20 mi16:04:274:48:2711:274:01
11:39
+0:03
Finish
26.22 mi16:15:024:59:0211:2510:35
10:23
-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

10:23 /mi

Average Pace

11:25 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:15

28% of race

Time at Steady Pace

2:16:39

46% of race

Time at Slower Pace

1:18:08

26% of race

Average Pace: 11:24 /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 mi11:49:2933:2910:4733:29
10:47
#25335
10K
6.21 mi12:23:431:07:4310:5434:14
11:01
#25446
15K
9.32 mi12:56:451:40:4510:4933:02
10:38
#25152
20K
12.43 mi13:32:022:16:0210:5735:17
11:21
#25125
Half
13.11 mi13:39:112:23:1110:557:09
10:29
#25086
25K
15.53 mi14:06:262:50:2610:5827:15
11:14
#24977
30K
18.64 mi14:44:543:28:5411:1238:28
12:23
#24981
20M
20.00 mi15:02:343:46:3411:2017:40
13:00
#25008
21M
21.00 mi15:15:153:59:1511:2412:41
12:41
#24954
35K
21.75 mi15:24:344:08:3411:269:19
12:27
#24978
23M
23.00 mi15:38:504:22:5011:2614:16
11:24
#24898
24M
24.00 mi15:50:314:34:3111:2611:41
11:41
#24863
40K
24.85 mi16:00:264:44:2611:279:55
11:36
#24829
25.2M
25.20 mi16:04:274:48:2711:274:01
11:39
#24809
Finish
26.22 mi16:15:024:59:0211:2510:35
10:23
#24768
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25335106331063324693(Top 93%)10287(Top 90%)10287(Top 211%)
10K6.21 mi3.10 mi25446-11110696-6310696-6325489(Top 96%)10724(Top 94%)10724(Top 220%)
15K9.32 mi3.11 mi25152+29410526+17010526+17024693(Top 93%)10287(Top 90%)10287(Top 211%)
20K12.43 mi3.11 mi25125+2710528-210528-225070(Top 94%)10521(Top 92%)10521(Top 215%)
Half13.11 mi0.68 mi25086+3910506+2210506+2224203(Top 91%)10040(Top 88%)10040(Top 206%)
25K15.53 mi2.42 mi24977+10910451+5510451+5524327(Top 91%)10130(Top 89%)10130(Top 207%)
30K18.64 mi3.11 mi24981-410475-2410475-2424888(Top 93%)10508(Top 92%)10508(Top 215%)
20M20.00 mi1.36 mi25008-2710501-2610501-2625174(Top 95%)10684(Top 94%)10684(Top 219%)
21M21.00 mi1.00 mi24954+5410485+1610485+1623698(Top 89%)9926(Top 87%)9926(Top 203%)
35K21.75 mi0.75 mi24978-2410503-1810503-1825132(Top 94%)10722(Top 94%)10722(Top 220%)
23M23.00 mi1.25 mi24898+8010462+4110462+4123076(Top 87%)9631(Top 84%)9631(Top 197%)
24M24.00 mi1.00 mi24863+3510450+1210450+1224118(Top 91%)10225(Top 90%)10225(Top 209%)
40K24.85 mi0.85 mi24829+3410437+1310437+1323369(Top 88%)9865(Top 86%)9865(Top 202%)
25.2M25.20 mi0.35 mi24809+2010427+1010427+1021910(Top 82%)9094(Top 80%)9094(Top 186%)
Finish26.22 mi1.02 mi24768+4110412+1510412+1522784(Top 86%)9548(Top 84%)9548(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24693

Females

10287

F18-39

10287

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25489

Females

10724

F18-39

10724

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24693

Females

10287

F18-39

10287

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

25070

Females

10521

F18-39

10521

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24203

Females

10040

F18-39

10040

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24327

Females

10130

F18-39

10130

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

24888

Females

10508

F18-39

10508

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25174

Females

10684

F18-39

10684

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

23698

Females

9926

F18-39

9926

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

25132

Females

10722

F18-39

10722

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23076

Females

9631

F18-39

9631

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24118

Females

10225

F18-39

10225

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23369

Females

9865

F18-39

9865

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21910

Females

9094

F18-39

9094

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22784

Females

9548

F18-39

9548

Passing Analysis

Category:
Athletes Passed
1156
Passed By
589
Net Change
+567
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25335
5K → 10K108219-111#25335#25446
10K → 15K3039+294#25446#25152
15K → 20K11285+27#25152#25125
20K → Half423+39#25125#25086
Half → 25K13223+109#25086#24977
25K → 30K8993-4#24977#24981
30K → 20M3461-27#24981#25008
20M → 21M7117+54#25008#24954
21M → 35K1640-24#24954#24978
35K → 23M844+80#24978#24898
23M → 24M4611+35#24898#24863
24M → 40K4915+34#24863#24829
40K → 25.2M222+20#24829#24809
25.2M → Finish487+41#24809#24768
TOTALS1156589+567
📊

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