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BOSTON MARATHON 2023

Christa Diemidio

Bib: 22815•F

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
8:56/mi
27:45
↑ 97↓ 3451.5%
10K· 6.21 mi
9:06/mi
56:01
↑ 79↓ 1380.4%
15K· 9.32 mi
9:02/mi
1:24:06
↑ 67↓ 78
20K· 12.43 mi
9:23/mi
1:53:16
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
1:59:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:43/mi
2:23:07
↑ 66↓ 880.2%
30K· 18.64 mi
10:32/mi
2:55:49
↑ 181↓ 1480.2%
20M
11:32/mi
3:11:29
↑ 64↓ 500.2%
21M
11:01/mi
3:22:30
↑ 106↓ 241.6%
35K· 21.75 mi
11:42/mi
3:31:15
↑ 17↓ 861.7%
23M
11:11/mi
3:45:15
↑ 23↓ 630.6%
24M
12:16/mi
3:57:31
↓ 821.3%
40K· 24.85 mi
10:43/mi
4:06:41
↓ 200.3%
25.2M
11:04/mi
4:10:30
↑ 13↓ 160.2%
Finish· 26.22 mi
9:39/mi
4:20:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:34
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:20:46
Pace10:44 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0927:458:5627:45
8:56
-
10K
6.21 mi11:50:2556:019:0128:16
9:06
+0:10
15K
9.32 mi12:18:301:24:069:0128:05
9:02
-0:04
20K
12.43 mi12:47:401:53:169:0729:10
9:23
+0:21
Half
13.11 mi12:53:581:59:349:076:18
9:14
-0:09
25K
15.53 mi13:17:312:23:079:1323:33
9:43
+0:29
30K
18.64 mi13:50:132:55:499:2632:42
10:32
+0:49
20M
20.00 mi14:05:533:11:299:3415:40
11:32
+1:00
21M
21.00 mi14:16:543:22:309:3911:01
11:01
-0:31
35K
21.75 mi14:25:393:31:159:438:45
11:42
+0:41
23M
23.00 mi14:39:393:45:159:4814:00
11:11
-0:31
24M
24.00 mi14:51:553:57:319:5412:16
12:16
+1:05
40K
24.85 mi15:01:054:06:419:559:10
10:43
-1:33
25.2M
25.20 mi15:04:544:10:309:563:49
11:04
+0:21
Finish
26.22 mi15:14:444:20:209:569:50
9:39
-1:25

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

9:56 /mi

Slowest Pace

12:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:57

59% of race

Time at Steady Pace

56:42

22% of race

Time at Slower Pace

50:41

19% of race

Average Pace: 9:56 /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 mi11:22:0927:458:5627:45
8:56
#20141
10K
6.21 mi11:50:2556:019:0128:16
9:06
#20704
15K
9.32 mi12:18:301:24:069:0128:05
9:02
#20682
20K
12.43 mi12:47:401:53:169:0729:10
9:23
#20844
Half
13.11 mi12:53:581:59:349:076:18
9:14
#20871
25K
15.53 mi13:17:312:23:079:1323:33
9:43
#20979
30K
18.64 mi13:50:132:55:499:2632:42
10:32
#21269
20M
20.00 mi14:05:533:11:299:3415:40
11:32
#21525
21M
21.00 mi14:16:543:22:309:3911:01
11:01
#21481
35K
21.75 mi14:25:393:31:159:438:45
11:42
#21649
23M
23.00 mi14:39:393:45:159:4814:00
11:11
#21731
24M
24.00 mi14:51:553:57:319:5412:16
12:16
#21942
40K
24.85 mi15:01:054:06:419:559:10
10:43
#21930
25.2M
25.20 mi15:04:544:10:309:563:49
11:04
#21911
Finish
26.22 mi15:14:444:20:209:569:50
9:39
#21873
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi201417906790620690(Top 78%)8066(Top 71%)8066(Top 668%)
10K6.21 mi3.10 mi20704-5638151-2458151-24521267(Top 80%)8426(Top 74%)8426(Top 698%)
15K9.32 mi3.11 mi20682+228116+358116+3520690(Top 78%)8066(Top 71%)8066(Top 668%)
20K12.43 mi3.11 mi20844-1628189-738189-7321226(Top 80%)8358(Top 73%)8358(Top 692%)
Half13.11 mi0.68 mi20871-278197-88197-821309(Top 80%)8420(Top 74%)8420(Top 698%)
25K15.53 mi2.42 mi20979-1088254-578254-5721513(Top 81%)8565(Top 75%)8565(Top 710%)
30K18.64 mi3.11 mi21269-2908432-1788432-17822261(Top 84%)9049(Top 79%)9049(Top 750%)
20M20.00 mi1.36 mi21525-2568582-1508582-15023567(Top 89%)9822(Top 86%)9822(Top 814%)
21M21.00 mi1.00 mi21481+448569+138569+1320878(Top 78%)8395(Top 73%)8395(Top 696%)
35K21.75 mi0.75 mi21649-1688671-1028671-10224353(Top 91%)10309(Top 90%)10309(Top 854%)
23M23.00 mi1.25 mi21731-828731-608731-6022693(Top 85%)9428(Top 83%)9428(Top 781%)
24M24.00 mi1.00 mi21942-2118846-1158846-11524813(Top 93%)10587(Top 93%)10587(Top 877%)
40K24.85 mi0.85 mi21930+128855-98855-921768(Top 82%)9026(Top 79%)9026(Top 748%)
25.2M25.20 mi0.35 mi21911+198852+38852+320638(Top 78%)8399(Top 74%)8399(Top 696%)
Finish26.22 mi1.02 mi21873+388841+118841+1120655(Top 78%)8385(Top 73%)8385(Top 695%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20690

Females

8066

F50-54

8066

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21267

Females

8426

F50-54

8426

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20690

Females

8066

F50-54

8066

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21226

Females

8358

F50-54

8358

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21309

Females

8420

F50-54

8420

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21513

Females

8565

F50-54

8565

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22261

Females

9049

F50-54

9049

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23567

Females

9822

F50-54

9822

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20878

Females

8395

F50-54

8395

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24353

Females

10309

F50-54

10309

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22693

Females

9428

F50-54

9428

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24813

Females

10587

F50-54

10587

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21768

Females

9026

F50-54

9026

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20638

Females

8399

F50-54

8399

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20655

Females

8385

F50-54

8385

Passing Analysis

Category:
Athletes Passed
817
Passed By
2549
Net Change
-1732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20141
5K → 10K93656-563#20141#20704
10K → 15K185163+22#20704#20682
15K → 20K106268-162#20682#20844
20K → Half2350-27#20844#20871
Half → 25K66174-108#20871#20979
25K → 30K59349-290#20979#21269
30K → 20M24280-256#21269#21525
20M → 21M8844+44#21525#21481
21M → 35K6174-168#21481#21649
35K → 23M39121-82#21649#21731
23M → 24M5216-211#21731#21942
24M → 40K4028+12#21942#21930
40K → 25.2M278+19#21930#21911
25.2M → Finish5618+38#21911#21873
TOTALS8172549-1732
📊

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