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BOSTON MARATHON 2023

Gladys Ceballos

Bib: 20912•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

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
9:02/mi
28:03
↑ 97↓ 3451.5%
10K· 6.21 mi
9:10/mi
56:32
↑ 79↓ 1380.4%
15K· 9.32 mi
10:28/mi
1:29:03
↑ 67↓ 78
20K· 12.43 mi
10:13/mi
2:00:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
2:06:54
↑ 19↓ 370.5%
25K· 15.53 mi
9:58/mi
2:31:04
↑ 66↓ 880.2%
30K· 18.64 mi
11:06/mi
3:05:32
↑ 181↓ 1480.2%
20M
12:00/mi
3:21:50
↑ 64↓ 500.2%
21M
13:44/mi
3:35:34
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:43:05
↑ 17↓ 861.7%
23M
12:47/mi
3:59:05
↑ 23↓ 630.6%
24M
10:31/mi
4:09:36
↓ 821.3%
40K· 24.85 mi
12:25/mi
4:20:13
↓ 200.3%
25.2M
14:56/mi
4:25:22
↑ 13↓ 160.2%
Finish· 26.22 mi
11:33/mi
4:37:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:54
Pace9:41 /mi
2nd Half
Distance13.11 mi
Time2:30:14
Pace11:28 /mi
📊Positive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0228:039:0228:03
9:02
-
10K
6.21 mi11:50:3156:329:0628:29
9:10
+0:08
15K
9.32 mi12:23:021:29:039:3332:31
10:28
+1:18
20K
12.43 mi12:54:472:00:489:4331:45
10:13
-0:15
Half
13.11 mi13:00:532:06:549:416:06
8:56
-1:17
25K
15.53 mi13:25:032:31:049:4324:10
9:58
+1:02
30K
18.64 mi13:59:313:05:329:5734:28
11:06
+1:08
20M
20.00 mi14:15:493:21:5010:0516:18
12:00
+0:54
21M
21.00 mi14:29:333:35:3410:1613:44
13:44
+1:44
35K
21.75 mi14:37:043:43:0510:157:31
10:03
-3:41
23M
23.00 mi14:53:043:59:0510:2416:00
12:47
+2:44
24M
24.00 mi15:03:354:09:3610:2410:31
10:31
-2:16
40K
24.85 mi15:14:124:20:1310:2810:37
12:25
+1:54
25.2M
25.20 mi15:19:214:25:2210:325:09
14:56
+2:31
Finish
26.22 mi15:31:074:37:0810:3511:46
11:33
-3:23

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

8:56 /mi

Average Pace

10:35 /mi

Slowest Pace

14:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:38

23% of race

Time at Steady Pace

2:20:56

51% of race

Time at Slower Pace

1:13:34

27% of race

Average Pace: 10:34 /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 mi11:22:0228:039:0228:03
9:02
#20594
10K
6.21 mi11:50:3156:329:0628:29
9:10
#21048
15K
9.32 mi12:23:021:29:039:3332:31
10:28
#22471
20K
12.43 mi12:54:472:00:489:4331:45
10:13
#22729
Half
13.11 mi13:00:532:06:549:416:06
8:56
#22631
25K
15.53 mi13:25:032:31:049:4324:10
9:58
#22538
30K
18.64 mi13:59:313:05:329:5734:28
11:06
#22709
20M
20.00 mi14:15:493:21:5010:0516:18
12:00
#22830
21M
21.00 mi14:29:333:35:3410:1613:44
13:44
#23020
35K
21.75 mi14:37:043:43:0510:157:31
10:03
#22958
23M
23.00 mi14:53:043:59:0510:2416:00
12:47
#23133
24M
24.00 mi15:03:354:09:3610:2410:31
10:31
#23075
40K
24.85 mi15:14:124:20:1310:2810:37
12:25
#23145
25.2M
25.20 mi15:19:214:25:2210:325:09
14:56
#23222
Finish
26.22 mi15:31:074:37:0810:3511:46
11:33
#23309
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi205948170817024400(Top 92%)10122(Top 89%)10122(Top 557%)
10K6.21 mi3.10 mi21048-4548350-1808350-18021532(Top 81%)8572(Top 75%)8572(Top 472%)
15K9.32 mi3.11 mi22471-14239078-7289078-72824400(Top 92%)10122(Top 89%)10122(Top 557%)
20K12.43 mi3.11 mi22729-2589201-1239201-12323332(Top 88%)9533(Top 83%)9533(Top 525%)
Half13.11 mi0.68 mi22631+989156+459156+4520261(Top 76%)7832(Top 69%)7832(Top 431%)
25K15.53 mi2.42 mi22538+939126+309126+3022150(Top 83%)8922(Top 78%)8922(Top 491%)
30K18.64 mi3.11 mi22709-1719238-1129238-11223225(Top 87%)9583(Top 84%)9583(Top 527%)
20M20.00 mi1.36 mi22830-1219308-709308-7024209(Top 91%)10188(Top 89%)10188(Top 561%)
21M21.00 mi1.00 mi23020-1909415-1079415-10724812(Top 93%)10510(Top 92%)10510(Top 578%)
35K21.75 mi0.75 mi22958+629393+229393+2221440(Top 81%)8744(Top 77%)8744(Top 481%)
23M23.00 mi1.25 mi23133-1759490-979490-9724876(Top 93%)10575(Top 93%)10575(Top 582%)
24M24.00 mi1.00 mi23075+589477+139477+1322084(Top 83%)9146(Top 80%)9146(Top 503%)
40K24.85 mi0.85 mi23145-709517-409517-4024351(Top 91%)10366(Top 91%)10366(Top 571%)
25.2M25.20 mi0.35 mi23222-779557-409557-4025671(Top 96%)11011(Top 96%)11011(Top 606%)
Finish26.22 mi1.02 mi23309-879613-569613-5624733(Top 93%)10523(Top 92%)10523(Top 579%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24400

Females

10122

F45-49

10122

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21532

Females

8572

F45-49

8572

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24400

Females

10122

F45-49

10122

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23332

Females

9533

F45-49

9533

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20261

Females

7832

F45-49

7832

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22150

Females

8922

F45-49

8922

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23225

Females

9583

F45-49

9583

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24209

Females

10188

F45-49

10188

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24812

Females

10510

F45-49

10510

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21440

Females

8744

F45-49

8744

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24876

Females

10575

F45-49

10575

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22084

Females

9146

F45-49

9146

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24351

Females

10366

F45-49

10366

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25671

Females

11011

F45-49

11011

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24733

Females

10523

F45-49

10523

Passing Analysis

Category:
Athletes Passed
733
Passed By
3448
Net Change
-2715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20594
5K → 10K126580-454#20594#21048
10K → 15K51428-1423#21048#22471
15K → 20K63321-258#22471#22729
20K → Half991+98#22729#22631
Half → 25K14350+93#22631#22538
25K → 30K64235-171#22538#22709
30K → 20M32153-121#22709#22830
20M → 21M8198-190#22830#23020
21M → 35K708+62#23020#22958
35K → 23M17192-175#22958#23133
23M → 24M6810+58#23133#23075
24M → 40K2696-70#23075#23145
40K → 25.2M380-77#23145#23222
25.2M → Finish996-87#23222#23309
TOTALS7333448-2715
📊

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