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BOSTON MARATHON 2023

Diana Chaves

Bib: 30395•F

MA

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
10:18/mi
31:59
↑ 97↓ 3451.5%
10K· 6.21 mi
10:27/mi
1:04:27
↑ 79↓ 1380.4%
15K· 9.32 mi
10:19/mi
1:36:30
↑ 67↓ 78
20K· 12.43 mi
10:21/mi
2:08:39
↑ 106↓ 860.1%
Half· 13.11 mi
9:58/mi
2:15:27
↑ 19↓ 370.5%
25K· 15.53 mi
10:21/mi
2:40:33
↑ 66↓ 880.2%
30K· 18.64 mi
10:59/mi
3:14:39
↑ 181↓ 1480.2%
20M
11:43/mi
3:30:34
↑ 64↓ 500.2%
21M
11:45/mi
3:42:19
↑ 106↓ 241.6%
35K· 21.75 mi
10:48/mi
3:50:24
↑ 17↓ 861.7%
23M
11:22/mi
4:04:38
↑ 23↓ 630.6%
24M
10:59/mi
4:15:37
↓ 821.3%
40K· 24.85 mi
10:39/mi
4:24:43
↓ 200.3%
25.2M
11:19/mi
4:28:37
↑ 13↓ 160.2%
Finish· 26.22 mi
10:09/mi
4:38:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:27
Pace10:20 /mi
2nd Half
Distance13.11 mi
Time2:23:31
Pace10:57 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3231:5910:1831:59
10:18
-
10K
6.21 mi12:27:001:04:2710:2232:28
10:27
+0:09
15K
9.32 mi12:59:031:36:3010:2132:03
10:19
-0:08
20K
12.43 mi13:31:122:08:3910:2132:09
10:21
+0:02
Half
13.11 mi13:38:002:15:2710:206:48
9:58
-0:23
25K
15.53 mi14:03:062:40:3310:2025:06
10:21
+0:23
30K
18.64 mi14:37:123:14:3910:2734:06
10:59
+0:38
20M
20.00 mi14:53:073:30:3410:3215:55
11:43
+0:44
21M
21.00 mi15:04:523:42:1910:3511:45
11:45
+0:02
35K
21.75 mi15:12:573:50:2410:368:05
10:48
-0:57
23M
23.00 mi15:27:114:04:3810:3814:14
11:22
+0:34
24M
24.00 mi15:38:104:15:3710:3910:59
10:59
-0:23
40K
24.85 mi15:47:164:24:4310:399:06
10:39
-0:20
25.2M
25.20 mi15:51:104:28:3710:403:54
11:19
+0:40
Finish
26.22 mi16:01:314:38:5810:3910:21
10:09
-1:10

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

9:58 /mi

Average Pace

10:39 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:05

67% of race

Time at Steady Pace

1:30:53

33% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:38 /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 mi11:54:3231:5910:1831:59
10:18
#24215
10K
6.21 mi12:27:001:04:2710:2232:28
10:27
#24437
15K
9.32 mi12:59:031:36:3010:2132:03
10:19
#24338
20K
12.43 mi13:31:122:08:3910:2132:09
10:21
#24124
Half
13.11 mi13:38:002:15:2710:206:48
9:58
#24063
25K
15.53 mi14:03:062:40:3310:2025:06
10:21
#23842
30K
18.64 mi14:37:123:14:3910:2734:06
10:59
#23694
20M
20.00 mi14:53:073:30:3410:3215:55
11:43
#23708
21M
21.00 mi15:04:523:42:1910:3511:45
11:45
#23637
35K
21.75 mi15:12:573:50:2410:368:05
10:48
#23615
23M
23.00 mi15:27:114:04:3810:3814:14
11:22
#23599
24M
24.00 mi15:38:104:15:3710:3910:59
10:59
#23578
40K
24.85 mi15:47:164:24:4310:399:06
10:39
#23527
25.2M
25.20 mi15:51:104:28:3710:403:54
11:19
#23490
Finish
26.22 mi16:01:314:38:5810:3910:21
10:09
#23454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi242159996999624125(Top 91%)9965(Top 87%)9965(Top 204%)
10K6.21 mi3.10 mi24437-22210124-12810124-12824595(Top 92%)10221(Top 89%)10221(Top 209%)
15K9.32 mi3.11 mi24338+9910075+4910075+4924125(Top 91%)9965(Top 87%)9965(Top 204%)
20K12.43 mi3.11 mi24124+2149962+1139962+11323572(Top 89%)9675(Top 85%)9675(Top 198%)
Half13.11 mi0.68 mi24063+619931+319931+3123228(Top 87%)9482(Top 83%)9482(Top 194%)
25K15.53 mi2.42 mi23842+2219814+1179814+11722938(Top 86%)9358(Top 82%)9358(Top 192%)
30K18.64 mi3.11 mi23694+1489746+689746+6823060(Top 87%)9488(Top 83%)9488(Top 194%)
20M20.00 mi1.36 mi23708-149772-269772-2623833(Top 90%)9981(Top 87%)9981(Top 204%)
21M21.00 mi1.00 mi23637+719738+349738+3422336(Top 84%)9187(Top 80%)9187(Top 188%)
35K21.75 mi0.75 mi23615+229728+109728+1022956(Top 86%)9572(Top 84%)9572(Top 196%)
23M23.00 mi1.25 mi23599+169724+49724+423018(Top 86%)9597(Top 84%)9597(Top 196%)
24M24.00 mi1.00 mi23578+219724972423036(Top 87%)9656(Top 85%)9656(Top 198%)
40K24.85 mi0.85 mi23527+519705+199705+1921594(Top 81%)8945(Top 78%)8945(Top 183%)
25.2M25.20 mi0.35 mi23490+379696+99696+921184(Top 80%)8706(Top 76%)8706(Top 178%)
Finish26.22 mi1.02 mi23454+369686+109686+1022195(Top 83%)9229(Top 81%)9229(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24125

Females

9965

F18-39

9965

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24595

Females

10221

F18-39

10221

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24125

Females

9965

F18-39

9965

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23572

Females

9675

F18-39

9675

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23228

Females

9482

F18-39

9482

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22938

Females

9358

F18-39

9358

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23060

Females

9488

F18-39

9488

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23833

Females

9981

F18-39

9981

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22336

Females

9187

F18-39

9187

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22956

Females

9572

F18-39

9572

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

23018

Females

9597

F18-39

9597

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23036

Females

9656

F18-39

9656

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21594

Females

8945

F18-39

8945

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21184

Females

8706

F18-39

8706

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22195

Females

9229

F18-39

9229

Passing Analysis

Category:
Athletes Passed
1401
Passed By
640
Net Change
+761
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24215
5K → 10K104326-222#24215#24437
10K → 15K17576+99#24437#24338
15K → 20K23521+214#24338#24124
20K → Half654+61#24124#24063
Half → 25K2298+221#24063#23842
25K → 30K18436+148#23842#23694
30K → 20M5569-14#23694#23708
20M → 21M8110+71#23708#23637
21M → 35K3715+22#23637#23615
35K → 23M5135+16#23615#23599
23M → 24M3918+21#23599#23578
24M → 40K565+51#23578#23527
40K → 25.2M392+37#23527#23490
25.2M → Finish5115+36#23490#23454
TOTALS1401640+761
📊

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