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BOSTON MARATHON 2023

Zoe Dalis

Bib: 26806•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
10:52/mi
33:46
↑ 97↓ 3451.5%
10K· 6.21 mi
10:56/mi
1:07:45
↑ 79↓ 1380.4%
15K· 9.32 mi
10:54/mi
1:41:37
↑ 67↓ 78
20K· 12.43 mi
10:56/mi
2:15:34
↑ 106↓ 860.1%
Half· 13.11 mi
10:49/mi
2:22:57
↑ 19↓ 370.5%
25K· 15.53 mi
11:18/mi
2:50:22
↑ 66↓ 880.2%
30K· 18.64 mi
11:09/mi
3:24:59
↑ 181↓ 1480.2%
20M
10:56/mi
3:39:50
↑ 64↓ 500.2%
21M
11:34/mi
3:51:24
↑ 106↓ 241.6%
35K· 21.75 mi
10:32/mi
3:59:17
↑ 17↓ 861.7%
23M
10:36/mi
4:12:33
↑ 23↓ 630.6%
24M
11:22/mi
4:23:55
↓ 821.3%
40K· 24.85 mi
11:44/mi
4:33:57
↓ 200.3%
25.2M
12:48/mi
4:38:22
↑ 13↓ 160.2%
Finish· 26.22 mi
10:30/mi
4:49:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:57
Pace10:54 /mi
2nd Half
Distance13.11 mi
Time2:26:07
Pace11:09 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4433:4610:5233:46
10:52
-
10K
6.21 mi12:24:431:07:4510:5433:59
10:56
+0:04
15K
9.32 mi12:58:351:41:3710:5433:52
10:54
-0:02
20K
12.43 mi13:32:322:15:3410:5533:57
10:56
+0:02
Half
13.11 mi13:39:552:22:5710:547:23
10:49
-0:07
25K
15.53 mi14:07:202:50:2210:5827:25
11:18
+0:29
30K
18.64 mi14:41:573:24:5911:0034:37
11:09
-0:09
20M
20.00 mi14:56:483:39:5010:5914:51
10:56
-0:13
21M
21.00 mi15:08:223:51:2411:0111:34
11:34
+0:38
35K
21.75 mi15:16:153:59:1711:007:53
10:32
-1:02
23M
23.00 mi15:29:314:12:3310:5913:16
10:36
+0:04
24M
24.00 mi15:40:534:23:5511:0011:22
11:22
+0:46
40K
24.85 mi15:50:554:33:5711:0110:02
11:44
+0:22
25.2M
25.20 mi15:55:204:38:2211:034:25
12:48
+1:04
Finish
26.22 mi16:06:024:49:0411:0210:42
10:30
-2:18

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

10:30 /mi

Average Pace

11:02 /mi

Slowest Pace

12:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:51

11% of race

Time at Steady Pace

3:12:25

67% of race

Time at Slower Pace

1:04:48

22% of race

Average Pace: 11:01 /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 mi11:50:4433:4610:5233:46
10:52
#25486
10K
6.21 mi12:24:431:07:4510:5433:59
10:56
#25452
15K
9.32 mi12:58:351:41:3710:5433:52
10:54
#25305
20K
12.43 mi13:32:322:15:3410:5533:57
10:56
#25079
Half
13.11 mi13:39:552:22:5710:547:23
10:49
#25061
25K
15.53 mi14:07:202:50:2210:5827:25
11:18
#24962
30K
18.64 mi14:41:573:24:5911:0034:37
11:09
#24664
20M
20.00 mi14:56:483:39:5010:5914:51
10:56
#24520
21M
21.00 mi15:08:223:51:2411:0111:34
11:34
#24396
35K
21.75 mi15:16:153:59:1711:007:53
10:32
#24324
23M
23.00 mi15:29:314:12:3310:5913:16
10:36
#24202
24M
24.00 mi15:40:534:23:5511:0011:22
11:22
#24178
40K
24.85 mi15:50:554:33:5711:0110:02
11:44
#24144
25.2M
25.20 mi15:55:204:38:2211:034:25
12:48
#24148
Finish
26.22 mi16:06:024:49:0411:0210:42
10:30
#24117
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25486107141071425067(Top 94%)10497(Top 92%)10497(Top 215%)
10K6.21 mi3.10 mi25452+3410700+1410700+1425392(Top 95%)10661(Top 93%)10661(Top 218%)
15K9.32 mi3.11 mi25305+14710615+8510615+8525067(Top 94%)10497(Top 92%)10497(Top 215%)
20K12.43 mi3.11 mi25079+22610500+11510500+11524525(Top 92%)10215(Top 89%)10215(Top 209%)
Half13.11 mi0.68 mi25061+1810490+1010490+1024705(Top 93%)10320(Top 90%)10320(Top 211%)
25K15.53 mi2.42 mi24962+9910443+4710443+4724418(Top 92%)10182(Top 89%)10182(Top 208%)
30K18.64 mi3.11 mi24664+29810291+15210291+15223330(Top 88%)9647(Top 84%)9647(Top 198%)
20M20.00 mi1.36 mi24520+14410220+7110220+7122593(Top 85%)9299(Top 81%)9299(Top 190%)
21M21.00 mi1.00 mi24396+12410165+5510165+5522005(Top 83%)8995(Top 79%)8995(Top 184%)
35K21.75 mi0.75 mi24324+7210135+3010135+3022476(Top 84%)9314(Top 82%)9314(Top 191%)
23M23.00 mi1.25 mi24202+12210076+5910076+5921566(Top 81%)8830(Top 77%)8830(Top 181%)
24M24.00 mi1.00 mi24178+2410066+1010066+1023695(Top 89%)9999(Top 88%)9999(Top 205%)
40K24.85 mi0.85 mi24144+3410059+710059+723559(Top 88%)9976(Top 87%)9976(Top 204%)
25.2M25.20 mi0.35 mi24148-410062-310062-323740(Top 89%)10055(Top 88%)10055(Top 206%)
Finish26.22 mi1.02 mi24117+3110053+910053+923011(Top 86%)9652(Top 84%)9652(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25067

Females

10497

F18-39

10497

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25392

Females

10661

F18-39

10661

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25067

Females

10497

F18-39

10497

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24525

Females

10215

F18-39

10215

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24705

Females

10320

F18-39

10320

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24418

Females

10182

F18-39

10182

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23330

Females

9647

F18-39

9647

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22593

Females

9299

F18-39

9299

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22005

Females

8995

F18-39

8995

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22476

Females

9314

F18-39

9314

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21566

Females

8830

F18-39

8830

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23695

Females

9999

F18-39

9999

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23559

Females

9976

F18-39

9976

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23740

Females

10055

F18-39

10055

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

23011

Females

9652

F18-39

9652

Passing Analysis

Category:
Athletes Passed
1670
Passed By
301
Net Change
+1369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25486
5K → 10K173139+34#25486#25452
10K → 15K18841+147#25452#25305
15K → 20K23610+226#25305#25079
20K → Half2810+18#25079#25061
Half → 25K12526+99#25061#24962
25K → 30K3046+298#24962#24664
30K → 20M1473+144#24664#24520
20M → 21M1273+124#24520#24396
21M → 35K731+72#24396#24324
35K → 23M1242+122#24324#24202
23M → 24M3612+24#24202#24178
24M → 40K5319+34#24178#24144
40K → 25.2M1115-4#24144#24148
25.2M → Finish4514+31#24148#24117
TOTALS1670301+1369
📊

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